EVALUATION KIT AVAILABLE
MAX8556/MAX8557
General Description
The MAX8556/MAX8557 low-dropout linear regulators
operate from input voltages as low as 1.425V and are
able to deliver up to 4A of continuous output current with a
typical dropout voltage of only 100mV. The output voltage
is adjustable from 0.5V to VIN - 0.2V.
Designed with an internal p-channel MOSFET pass transistor, the MAX8556/MAX8557 maintain a low 800μA typical supply current, independent of the load current and
dropout voltage. Using a p-channel MOSFET eliminates
the need for an additional external supply or a noisy internal charge pump. Other features include a logic-controlled
shutdown mode, built-in soft-start, short-circuit protection
with foldback current limit, and thermal-overload protection. The MAX8556 features a POK output that transitions
high when the regulator output is within ±10% of its nominal output voltage. The MAX8557 offers a power-on reset
output that transitions high 140ms after the output has
achieved 90% of its nominal output voltage.
The MAX8556/MAX8557 are available in a 16-pin TQFN
5mm x 5mm package with exposed paddle.
Applications
●● Servers and Storage
Devices
●● Networking
●● Base Stations
●● Optical Modules
●● Point-of-Load Supplies
●● ATE
4A Ultra-Low-Input-Voltage
LDO Regulators
Benefits and Features
●●
●●
●●
●●
●●
●●
●●
●●
●●
●●
●●
●●
●●
1.425V to 3.6V Input Voltage Range
Guaranteed 4A Output Current
±1% Output Accuracy Over Load/Line/Temperature
100mV Dropout at 4A Load (typ)
Built-In Soft-Start
800μA (typ) Operating Supply Current
150μA (max) Shutdown Supply Current
Short-Circuit Current Foldback Protection
Thermal-Overload Protection
±10% Power-OK (MAX8556)
140ms Power-On Reset Output (MAX8557)
Fast Transient Response
16-Pin TQFN (5mm x 5mm) Package
Typical Operating Circuit
VIN
1.425V TO 3.6V
OUT
IN
MAX8556
(MAX8557)
EN
POK
(POR)
Ordering Information appears at end of data sheet.
19-3257; Rev 3; 4/17
FB
GND
N.C.
VOUT
0.5V TO VIN - 0.2V
MAX8556/MAX8557
4A Ultra-Low-Input-Voltage
LDO Regulators
Absolute Maximum Ratings
IN, EN, POK, POR to GND......................................-0.3V to +4V
FB, OUT to GND.........................................-0.3V to (VIN + 0.3V)
Output Short-Circuit Duration.....................................Continuous
Continuous Power Dissipation (TA = +70°C)
16-Pin TQFN (derate 33.3mW/°C
above +70°C) (Note 1)............................................2666.7mW
Operating Temperature Range............................ -40°C to +85°C
Junction Temperature.......................................................+150°C
Storage Temperature Range............................. -65°C to +150°C
Lead Temperature (soldering, 10s).................................. +300°C
Note 1: Maximum power dissipation is obtained using JEDEC JESD51-5 and JESD51-7 standards.
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these
or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect
device reliability.
Package Information
PACKAGE TYPE: 16 TQFN
Package Code
T1655+3
Outline Number
21-0140
Land Pattern Number
90-0072
For the latest package outline information and land patterns (footprints), go to www.maximintegrated.com/packages. Note that a “+”,
“#”, or “-” in the package code indicates RoHS status only. Package drawings may show a different suffix character, but the drawing
pertains to the package regardless of RoHS status.
Electrical Characteristics
(VEN = VIN = 1.8V, VOUT = 1.5V, IOUT = 2mA, TA = -40°C to +105°C (MAX8556ETE+) and TA = -40°C to +85°C (MAX8557ETE+),
typical values are at TA = +25°C, unless otherwise noted.) (Note 2)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
3.600
V
IN
Input Voltage Range
Input Undervoltage Lockout
1.425
VIN rising, 70mV hysteresis
1.30
1.35
1.40
VIN falling
1.23
1.28
1.33
V
OUT
Output Voltage Range
0.5
Load Regulation
IOUT = 2mA to 4A
Line Regulation
VIN = 1.425V to 3.6V, VOUT = 1.225V
Dropout Voltage
VIN = 1.425V, IOUT = 4A, VFB = 480mV
Regulated Output-Voltage Current
Limit
VIN = 3.6V, VOUT = 3V, VFB = 460mV
5
Load Capacitance
ESR < 50mA (Note 3)
16
FB Threshold Accuracy
(Note 4)
VOUT = 1.225V to 3V, VIN = VOUT + 0.2V to 3.6V,
IOUT = 2mA to 4A
495
FB Input Bias Current
VFB = 0.5V, VIN = 3.6V
3.4
0.1
-0.15
V
%/A
0
+0.15
%/V
100
200
mV
7
9
A
120
µF
500
505
mV
0.001
1
µA
FB
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Maxim Integrated │ 2
MAX8556/MAX8557
4A Ultra-Low-Input-Voltage
LDO Regulators
Electrical Characteristics (continued)
(VEN = VIN = 1.8V, VOUT = 1.5V, IOUT = 2mA, TA = -40°C to +105°C (MAX8556ETE+) and TA = -40°C to +85°C (MAX8557ETE+),
typical values are at TA = +25°C, unless otherwise noted.) (Note 2)
PARAMETER
CONDITIONS
MIN
TYP
MAX
VIN = 1.425V to 3.6V, VOUT = 1.225V
800
1600
Dropout, VIN = 3.6V, VFB = 480mV
1000
2000
UNITS
GND
GND Supply Current
GND Shutdown Current
VIN = 3.6V, EN = GND
150
µA
µA
POK
FB Power-OK Fault Threshold
FB moving out of regulation,
VIN = 1.425V to 3.6V, 10mV hysteresis
POK Output Voltage, Low
VFB = 0.4V or 0.6V, IPOK = 2mA
POK Output Current, High
VPOK = 3.6V VFB = 0.5
POK Delay Time
From FB rising to POK high
FB high
540
550
560
FB low
440
450
460
25
mV
25
200
mV
0.001
1
µA
50
100
µs
EN
Enable Input Threshold
VIN = 1.425V to 3.6V
Enable Input Bias Current
VEN = 0V or 3.6V
EN rising
EN falling
1.25
0.4
-1
+1
V
µA
THERMAL SHUTDOWN
Thermal-Shutdown Threshold
Output on and off
TJ rising
+160
TJ falling
+115
°C
POR
FB Power-On Reset Fault
Threshold
FB falling, VIN = 1.425V to 3.6V, 10mV hysteresis
POR Output Voltage, Low
POR Output Current, High
POR Rising Delay Time
FB rising to POR high impedance
440
450
460
mV
VFB = 0.4V, IPOR = 2mA
25
200
mV
VPOR = 3.6V, VFB = 0.5V
0.001
1
µA
140
200
ms
100
SOFT-START
Soft-Start Time
100
µs
Note 2: Specifications to TA = -40°C are guaranteed by design and not production tested.
Note 3: Guaranteed by design, not production tested.
Note 4: Minimum supply voltage for output accuracy must be at least 1.425V.
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Maxim Integrated │ 3
MAX8556/MAX8557
4A Ultra-Low-Input-Voltage
LDO Regulators
Typical Operating Characteristics
(VEN = VIN = +1.8V, VOUT = +1.5V, IOUT = 4A, COUT = 20μF, CIN = 20μF, and TA = +25°C, unless otherwise noted.)
TA = -85°C
TA = -25°C
TA = -40°C
1.40
1.35
1.30
TA = +25°C
1.5015
1.5010
1.5005
TA = +85°C
1.5000
1.4995
1.4990
1.4985
1.8
1.2
2.4
TA = -40°C
1.4980
ILOAD = 2A
3.0
3.6
1.4975
1
0
INPUT VOLTAGE (V)
GND CURRENT vs. INPUT VOLTAGE
ILOAD = 4A
900
600
500
ILOAD = 0A
400
300
500
400
100
1.2
2.4
3.6
ILOAD = 0A
300
100
0
ILOAD = 2A
600
200
90
0
-40
-15
10
35
60
INPUT VOLTAGE (V)
TEMPERATURE (°C)
DROPOUT VOLTAGE vs. LOAD CURRENT
LINE-TRANSIENT RESPONSE
80
DROPOUT VOLTAGE (mV)
700
200
0
4
800
GND CURRENT (µA)
ILOAD = 2A
700
MAX8556 toc05
GND CURRENT (µA)
800
3
GND CURRENT vs. TEMPERATURE
900
MAX8556 toc03
1000
2
LOAD CURRENT (A)
70
MAX8556 toc04
1.45
OUTPUT VOLTAGE vs. LOAD CURRENT
1.5020
OUTPUT VOLTAGE (V)
OUTPUT VOLTAGE (V)
1.50
1.5025
MAX8556 toc02
OUTPUT VOLTAGE vs. INPUT VOLTAGE
MAX8556 toc01
1.55
85
MAX8556 toc06
2.5V
VIN
1.8V
60
50
40
30
VOUT
(AC-COUPLED)
20
10
0
10mV/div
VIN = 1.5V
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
100µs/div
LOAD CURRENT (A)
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Maxim Integrated │ 4
MAX8556/MAX8557
4A Ultra-Low-Input-Voltage
LDO Regulators
Typical Operating Characteristics (continued)
(VEN = VIN = +1.8V, VOUT = +1.5V, IOUT = 4A, COUT = 20μF, CIN = 20μF, and TA = +25°C, unless otherwise noted.)
4A LOAD-TRANSIENT RESPONSE
2A LOAD-TRANSIENT RESPONSE
MAX8556 toc07
VOUT
(AC-COUPLED)
MAX8556 toc08
50mV/div
IOUT
2A/div
VOUT
(AC-COUPLED)
IOUT
40µs/div
1A/div
40µs/div
ENABLE WAVEFORMS
SHORT-CIRCUIT WAVEFORMS
MAX8556 toc09
MAX8556 toc10
2V/div
VEN
VIN
3.6V
2V/div
VOUT
1V/div
IOUT
5A/div
1V/div
VOUT
100µs/div
200µs/div
PSRR vs. FREQUENCY
STARTUP WAVEFORMS
MAX8556 toc12
MAX8556 toc11
90
80
70
60
PSRR (dB)
50mV/div
2V/div
VIN
50
40
2A/div
IIN
30
1V/div
20
10
0
VOUT
VIN = 2.5V
ILOAD = 1A
1
10
100
1000
100µs/div
FREQUENCY (kHz)
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Maxim Integrated │ 5
MAX8556/MAX8557
4A Ultra-Low-Input-Voltage
LDO Regulators
Typical Operating Characteristics (continued)
(VEN = VIN = +1.8V, VOUT = +1.5V, IOUT = 4A, COUT = 20μF, CIN = 20μF, and TA = +25°C, unless otherwise noted.)
0.510
MAX8556 toc13
90
80
60
50
40
30
0.500
0.495
20
DATA TAKEN USING
MAX8556 EVALUATION KIT
0
17
34
51
68
ILOAD = 50mA
0.490
85
AMBIENT TEMPERATURE (°C)
10
35
60
85
CURRENT-LIMIT THRESHOLD
vs. TEMPERATURE
MAX8556 toc15
5A/div
CURRENT-LIMIT THRESHOLD (A)
8.0
500mV/div
IOUT
-15
TEMPERATURE (°C)
FOLDBACK CURRENT-LIMIT WAVEFORMS
VOUT
-40
MAX8556 toc16
10
0
FB REGULATION vs. TEMPERATURE
0.505
70
FB (V)
EXPOSED PADDLE TEMPERATURE (°C)
100
MAX8556 toc14
EXPOSED PADDLE TEMPERATURE
vs. AMBIENT TEMPERATURE
7.8
7.6
7.4
7.2
7.0
6.8
6.6
6.4
6.2
100µs/div
6.0
-40
-15
10
35
60
85
TEMPERATURE (°C)
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Maxim Integrated │ 6
MAX8556/MAX8557
4A Ultra-Low-Input-Voltage
LDO Regulators
14
N.C.
15
EN
16
+
OUT
OUT
OUT
9
MAX8556
(MAX8557)
EP
1
2
3
4
IN
GND
10
IN
13
11
IN
FB
12
IN
TOP VIEW
POK (POR)
Pin Configuration
8
OUT
7
OUT
6
IN
5
IN
16 TQFN
5mm x 5mm
Pin Description
PIN
NAME
FUNCTION
1–6
IN
LDO Input. Connect to a 1.425V to 3.6V input voltage. Bypass with a 22µF ceramic capacitor to GND.
7–11
OUT
LDO Output. Bypass with 2 x 10µF ceramic capacitors to GND. A smaller capacitance can be used if
the maximum load current is less than 4A.
POK
(MAX8556)
Power-OK Output. Open-drain output that pulls low when VOUT is outside ±10% of the expected
regulation voltage or when EN is low. POK is high impedance when VOUT is within ±10% of the
nominal output voltage. Connect a resistor from POK to a logic supply of less than 3.6V.
POR
(MAX8557)
Power-On Reset. Open-drain output goes high impedance 140ms after the output is above 90% of
its nominal regulation voltage. POR pulls low immediately after an output fault or when EN is low.
Connect a resistor from POR to a logic supply of less than 3.6V.
13
FB
Feedback Input. VFB is regulated to 0.5V. Connect to the center tap of a resistor-divider from output
to GND to set the desired output voltage.
14
GND
Ground
15
N.C.
Connect to GND or Leave Unconnected
16
EN
Enable Input. Connect to GND or a logic low to shut down the device. Connect to IN or a logic high for
normal operation.
—
EP
Exposed Paddle. Connect to GND and to a ground plane for heatsinking.
12
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Maxim Integrated │ 7
MAX8556/MAX8557
4A Ultra-Low-Input-Voltage
LDO Regulators
Block Diagram
IN
THRESHOLD
THERMALOVERLOAD
PROTECTION
0.50V
REF
EN
SHUTDOWN
LOGIC
UNDERVOLTAGE
LOCKOUT
ERROR
AMP
P
0.45V
0.55V
CURRENTLIMIT
COMPARATOR
OUT
FB
POK
(POR)
MAX8556
(MAX8557)
POK (POR)
CIRCUITRY
N
GND
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Maxim Integrated │ 8
MAX8556/MAX8557
Detailed Description
The MAX8556/MAX8557 low-dropout linear regulators
are capable of delivering up to 4A from low-input voltage
supplies ranging from 1.425V to 3.6V with only 200mV
of dropout (max). The pMOS output stage can be driven
from input voltages down to 1.425V without sacrificing
stability or transient performance. Supply current is not
a significant function of load or input headroom because
this regulator has a pMOS output device.
The MAX8556/MAX8557 are fully protected from an output short circuit by current-limiting and thermal-overload
circuitry. The low-power shutdown mode reduces supply
current to 0.2μA (typ) to maximize battery life in portable applications. The MAX8556 includes an open-drain
power-OK signal (POK) that goes high when the regulator
output is within ±10% of its nominal output voltage. The
MAX8557 includes an open-drain power-on-reset output
(POR) that goes high 140ms after the output has risen
above 90% of its nominal value.
Internal p-Channel Pass Transistor
The MAX8556/MAX8557 feature a 25mΩ p-channel
MOSFET pass transistor. Unlike similar designs using pnp
pass transistors, p-channel MOSFETs require no base
drive, which reduces quiescent current; pnp-based regulators also waste considerable current in dropout when
the pass transistor saturates, and use high base-drive
currents under large loads. The MAX8556/MAX8557 do
not suffer from these problems and consume only 800μA
(typ) of quiescent current under heavy loads, as well as
in dropout.
Short-Circuit/Thermal Fault Protection
The MAX8556/MAX8557 are fully protected from output
short circuits through current-limiting and thermal-overload circuitry. When the output is shorted to ground, the
output current is foldback limited to 3A (max). Under these
conditions, the device quickly heats up. When the junction temperature reaches +160°C, the thermal-overload
circuitry turns off the output, allowing the device to cool.
When the junction cools to +115°C, the output turns back
on and attempts to establish regulation. Current limiting
and thermal protection continue until the fault is removed.
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4A Ultra-Low-Input-Voltage
LDO Regulators
Shutdown Mode
The MAX8556/MAX8557 feature a low-power shutdown
mode that reduces quiescent current to 0.2μA (typ). Drive
EN low to disable the voltage reference, error amplifier,
gate-drive circuitry, and pass transistor, and pull the output low with 5kΩ impedance. Drive EN high or connect to
IN for normal operation.
Power-OK Output (POK, MAX8556 Only)
The MAX8556 features a power-OK (POK) output to
indicate the status of the output. POK is high impedance
when the regulator output is within ±10% of its nominal
output voltage. If the output voltage falls/rises outside
this range or the IC experiences thermal fault, POK is
internally pulled low. This open-drain output requires an
external pullup resistor to VIN or another logic supply
below 3.6V. For glitch immunity, an internal delay circuit
prevents the output from switching for 50μs (typ) after the
trip threshold is initially reached. POK is low when the IC
is in shutdown mode.
Power-On Reset (POR, MAX8557 Only)
The MAX8557 features a power-on reset output that goes
high impedance 140ms (typ) after the output reaches
90% of its nominal value. This open-drain output requires
an external pullup resistor to VIN or another logic supply
less than 3.6V. When the output falls below 90% of the
nominal output voltage or the IC experiences a thermal
fault, POR immediately transitions low. POR is low when
the IC is in shutdown mode.
Operating Region and Power Dissipation
The maximum power dissipation depends on the thermal resistance of the IC package and the circuit board,
the temperature difference between the die junction and
ambient air, and the rate of ambient airflow. The power
dissipated by the IC is P = IOUT x (VIN - VOUT). Proper
PCB layout can increase the allowed power dissipation
by dissipating heat in the board instead of the package.
See the Thermal Considerations in PCB Layout section
for more details.
Maxim Integrated │ 9
MAX8556/MAX8557
4A Ultra-Low-Input-Voltage
LDO Regulators
Applications Information
Output Voltage Selection
The MAX8556/MAX8557 feature an adjustable output
voltage from 0.5V to 3.4V. Set the output voltage using an
external resistor-divider from the output to GND with FB
connected to the center tap as shown in Figures 1 and 2.
Choose R3 ≤ 1kΩ for light-load stability. Determine R2
using the following equation:
V
R2 R3 x OUT − 1
=
VFB
VIN
1.425V TO 3.6V
C1
2 x 10µF
1–6
U1
MAX8556
R1
100kΩ
12
POK
ENABLED
18
SHUTDOWN
OUT
IN
POK
GND
Capacitors are required at the MAX8556/MAX8557 inputs
and outputs for stable operation over the full temperature
range and with load currents up to 4A. Connect 2 x 10μF
capacitors between IN and GND and 2 x 10μF low equivalent-series-resistance (ESR) capacitors between OUT and
GND. The input capacitor (CIN) lowers the source impedance of the input supply. If the MAX8556/MAX8557s’ input
is close to the output of the source supply, a smaller input
capacitance can be used. Otherwise, 2 x 10μF ceramic
input capacitors are recommended. The output capacitor’s
(COUT) ESR affects output noise and can affect output
stability. Use output capacitors with an ESR of 0.05Ω or
less to ensure stability and optimum transient dropout.
For good output transient performance, use the following
formula to select a minimum output capacitance:
COUT = IOUT(MAX) x 1μF/200mA
Noise, PSRR, and Transient Response
The MAX8556/MAX8557 are designed to operate with
low-dropout voltages and low quiescent currents while still
maintaining low noise, good transient response, and high
AC rejection (see the Typical Operating Characteristics
for a plot of Power-Supply Rejection Ratio (PSRR) vs.
Frequency). When operating from noisy sources, improved
supply-noise rejection and transient response can be
achieved by increasing the values of the input and output
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C2
2 x 10µF
13
R3
1kΩ
14
N.C.
15
where VOUT is the desired output voltage and VFB is 0.5V.
Capacitor Selection and
Regulator Stability
R2
1.4kΩ
FB
EN
VOUT
1.2V AT 4A
7–11
Figure 1. MAX8556 Typical Application Circuit
VIN
1.7V TO 3.6V
C1
2 x 10µF
POR
SHUTDOWN
1–6
OUT
IN
U2
MAX8557
R1
100kΩ
12
ENABLED
18
POR
R2
2kΩ
FB
EN
VOUT
1.5V AT 4A
7–11
GND
C2
2 x 10µF
13
R3
1kΩ
14
N.C.
15
Figure 2. MAX8557 Typical Application Circuit
bypass capacitors and through passive filtering techniques. The MAX8556/MAX8557 load-transient response
graphs (see the Typical Operating Characteristics) show
two components of the output response: a DC shift from
the output impedance due to the load current change,
and the transient response. A typical transient overshoot
for a step change in the load current from 40mA to 4A is
40mV. Use an output capacitance from 20μF to 120μF to
attenuate the overshoot.
Maxim Integrated │ 10
MAX8556/MAX8557
4A Ultra-Low-Input-Voltage
LDO Regulators
Thermal Considerations in PCB Layout
where:
How much power the package can dissipate strongly
depends on the mounting method of the IC to the PCB
and the copper area for cooling. Using the JEDEC test
standard, the maximum power dissipation allowed in
the package is 2667mW. This data is obtained with
+70°C ambient temperature and +150°C maximum
junction temperature. The test board has dimensions
of 7.62cm x 7.62cm (3in x 3in) with four layers of 2oz
copper and FR-4 material with 62mil finished thickness.
Nine thermal vias are used under the thermal paddle with
a diameter of 12mil and 1mil plated copper thickness.
Top and bottom layers are used to route the traces. Two
middle layers are solid copper and isolated from the nine
thermal vias.
More power dissipation can be handled by the package if
great attention is given during PCB layout. For example,
using the top and bottom copper as a heatsink and connecting the thermal vias to one of the middle layers (GND)
transfers the heat from the package into the board more
efficiently, resulting in lower junction temperature at high
power dissipation in some MAX8556/MAX8557 applications. Furthermore, the solder mask around the IC area
on both top and bottom layers can be removed to radiate the heat directly into the air. The maximum allowable
power dissipation in the IC is as follows:
PMAX =
θJC = the thermal resistance from the junction to the case
(1.7°C/W for the 16-pin TQFN)
θCA = the thermal resistance from the case to the surrounding air through the PCB, copper traces, and the
package materials. θCA is directly related to system level
variables and can be modified to increase the maximum
power dissipation.
The TQFN package has an exposed thermal pad on its
underside. This pad provides a low thermal resistance
path for heat transfer into the PCB. This low thermally
resistive path carries a majority of the heat away from the
IC. The PCB is effectively a heatsink for the IC.
The exposed paddle should be connected to a large
ground plane for proper thermal and electrical performance. The minimum size of the ground plane is dependent upon many system variables. To create an efficient
path, the exposed paddle should be soldered to a thermal
landing, which is connected to the ground plane by thermal vias. The thermal landing should be at least as large
as the exposed paddle and can be made larger depending on the amount of free space from the exposed paddle
to the other pin landings.
A sample layout is available on the MAX8556 evaluation
kit to speed designs.
(TJ(MAX) − T A )
θ JC + θ CA
Ordering Information
Chip Information
TEMP RANGE
PINPACKAGE
FEATURE
MAX8556ETE+
-40°C to +105°C
16 TQFN-EP*
POK
MAX8556ETE/V+
-40°C to +85°C
16 TQFN-EP*
POK
MAX8557ETE+
-40°C to +85°C
16 TQFN-EP*
POR
PART
TJ(MAX) = the maximum junction temperature (+150°C)
TA = the ambient air temperature
TRANSISTOR COUNT: 3137
PROCESS: BiCMOS
+Denotes a lead(Pb)-free/RoHS-compliant package.
/V Denotes an automotive qualified part.
*EP = Exposed pad.
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Maxim Integrated │ 11
MAX8556/MAX8557
4A Ultra-Low-Input-Voltage
LDO Regulators
Revision History
REVISION
NUMBER
REVISION
DATE
PAGES
CHANGED
0
4/04
Initial release
—
1
8/08
Revised Pin Configuration
1
2
8/09
Added automotive version of the MAX8556
1
3
4/17
Updated MAX8556ETE+ operating temperature range in Electrical
Characteristics and Ordering Information tables. Updated Package
Information table.
DESCRIPTION
1–3, 11
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim Integrated’s website at www.maximintegrated.com.
Maxim Integrated cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim Integrated product. No circuit patent licenses
are implied. Maxim Integrated reserves the right to change the circuitry and specifications without notice at any time. The parametric values (min and max limits)
shown in the Electrical Characteristics table are guaranteed. Other parametric values quoted in this data sheet are provided for guidance.
Maxim Integrated and the Maxim Integrated logo are trademarks of Maxim Integrated Products, Inc.
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