LDO CMOS-30V Regulator
TJ75XXA
FEATURES
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SOT-89-3L PKG
Input Operating Voltage Range : 2.7V to 30V
1uA Typical Quiescent Current
2% Output Voltage Accuracy
Stable with 1uF MLCC
Output Current up to 100mA
Over Current Protection
Moisture Sensitivity Level 3
SOT-23-5L PKG
APPLICATION
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Battery-Powered Equipment
Battery-Powered Alarm Circuits
Portable Cameras and Video Recorders
Microcontroller Power
PDAs
Reference Voltage Sources
Consumer Products
ORDERING INFORMATION
DEVICE
PACKAGE
TJ75XXAGF
SOT-89-3L
TJ75XXAGSF5
SOT-23-5L
X.X = Output Voltage = 3.3 / 5.0
DESCRIPTION
The TJ75XXA is family of CMOS low dropout Regulator with high input voltage VIN_MAX=30V.
The load current is up to 100mA. The quiescent current (typical) is only 1uA. The TJ75XXA can operate with
low cost ceramic capacitors, 1uF MLCC capacitors.
ABSOLUTE MAXIMUM RATINGS
CHARACTERISTIC
SYMBOL
MIN.
MAX.
UNIT
Input Supply Voltage
VIN
-
33
V
Maximum Output Current
IOUT
-
100
mA
Lead Temperature (Soldering, 10 sec)
TSOL
260
ºC
Storage Temperature Range
TSTG
-65
150
ºC
Operating Junction Temperature
TJOPR
-40
125
ºC
Jan. 2019 – R1.3
1/7
HTC
LDO CMOS-30V Regulator
TJ75XXA
RECOMMENDED OPERATING CONDITIONS
CHARACTERISTIC
SYMBOL
MIN.
MAX.
UNIT
Input Voltage
VIN
-
30
V
Output Current
IOUT
-
100
mA
ORDERING INFORMATION
VOUT
PACKAGE
ORDER NO.
DESCRIPTION
STATUS
SOT-89-3L
TJ7533AGF
100mA, Fixed
Active
SOT-23-5L
TJ7533AGSF5
100mA, Fixed
Active
SOT-89-3L
TJ7550AGF
100mA, Fixed
Active
SOT-23-5L
TJ7550AGSF5
100mA, Fixed
Contact Us
3.3V
5.0V
`
TJ
75
A
Package Type
F : SOT-89-3L
SF : SOT-23-5L
Material Class
G : Halogen Free
Output Voltage
X.X : 3.3 / 5.0
Root Name
Product Code
Jan. 2019 – R1.3
2/7
HTC
LDO CMOS-30V Regulator
TJ75XXA
PIN CONFIGURATION
SOT-89-3L
SOT-23-5L
PIN DESCRIPTION
PACKAGE
NAME
FUNCTION
1
GND
Ground
2
2
VIN
Input Voltage
3
3
VOUT
Output Voltage
-
4
NC
No Connect
-
5
NC
No Connect
SOT-89-3L
SOT-23-5L
1
TYPICAL APPLICATION
TJ75XXA
VIN
VIN
CIN
1uF
Jan. 2019 – R1.3
VOUT
VOUT
GND
3/7
COUT
1uF
HTC
LDO CMOS-30V Regulator
TJ75XXA
ELECTRICAL CHARACTERISTIC(Note 1)
Unless otherwise specified all limits at VIN=VOUT+1V (But Vin > 2.7V), TJ=25℃, CIN=COUT=1uF
PARAMETER
Input Voltage Range
SYMBOL
VIN
Output Voltage Accuracy
VOUT
Quiescent Current (Note2)
IQ
Line Regulation
TEST CONDITION
ΔVLINE
IOUT=1mA
1mA < IOUT < 50mA
3V < VIN < 30V (For VOUT 〈 2V) or
MIN.
TYP.
MAX.
UNIT
2.7
30
V
-2
2
%
1
3
uA
0.02
0.2
%/V
60
mV
VOUT+1V < VIN < 30V, IOUT=1mA
Load Regulation (Note3)
ΔVLOAD
VIN=VOUT+2V,
1mA < IOUT < 50mA
25
Dropout Voltage
VDROP
IOUT=50mA, VOUT drop 2%,
VOUT=3.3V
600
mV
Power Supply Ripple
Rejection
PSRR
VIN=6V, VOUT=5V, IOUT=1mA,
f=100Hz
34
dB
OCP Threshold Level
IOCP
200
mA
TCVOUT
100
ppm/℃
VOUT Temperature
Coefficient
Note 1. Stresses listed as the absolute maximum ratings may cause permanent damage to the device. These are for stress ratings. Functional
operating 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 remain possibly to affect device reliability.
Note 2. Ground current, or quiescent current, is the difference between input and output currents. It's defined by I GND = IIN - IOUT under the given
loading condition. The total current drawn from the supply is the sum of the load current plus the ground pin current.
Note 3. Load Regulation is measured using pulse techniques with duty cycle = 5%
Jan. 2019 – R1.3
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HTC
LDO CMOS-30V Regulator
TJ75XXA
TYPICAL OPERATING CHARACTERISTICS
VIN vs. VOUT
IOUT vs. VOUT
VIN=4.3V to 30V, VOUT=3.3V @ IOUT=10mA
VIN=4.3V, VOUT=3.3V @ IOUT=100mA per 10mA step
VIN vs. IQ
IOUT vs. IQ
VIN=4.3V to 30V, VOUT=3.3V
VIN=4.3V, VOUT=3.3V @ IOUT=100mA per 10mA step
IOUT vs. VDROP
VIN=5V, VOUT=3.3V @ IOUT=100mA per 10mA step
Jan. 2019 – R1.3
5/7
HTC
LDO CMOS-30V Regulator
TJ75XXA
APPLICATION INFORMATION
Maximum Output Current Capability
The TJ75XXA can deliver a continuous current of 100mA over the full operating junction temperature range.
However, the output current is limited by the restriction of power dissipation which differs from packages. A heat
sink may be required depending on the maximum power dissipation and maximum ambient temperature of
application. With respect to the applied package, the maximum output current of 100mA may be still
undeliverable due to the restriction of the power dissipation of TJ75XXA. Under all possible conditions, the
junction temperature must be within the range specified under operating conditions. The temperatures over the
device are given by:
TC = TA + PD X θCA
/
TJ = TC + PD X θJC
/
TJ = TA + PD X θJA
where TJ is the junction temperature, T C is the case temperature, TA is the ambient temperature, PD is the total
power dissipation of the device, θCA is the thermal resistance of case-to-ambient, θJC is the thermal resistance of
junction-to-case, and θJA is the thermal resistance of junction to ambient.
The total power dissipation of the device is given by:
PD = PIN – POUT = (VIN X IIN) – (VOUT X IOUT)
= (VIN X (IOUT+IGND)) – (VOUT X IOUT) = (VIN - VOUT) X IOUT + VIN X IGND
where IGND is the operating ground current of the device which is specified at the Electrical Characteristics. The
maximum allowable temperature rise (T Rmax) depends on the maximum ambient temperature (T Amax) of the
application, and the maximum allowable junction temperature (T Jmax):
TRmax = TJmax – TAmax
The maximum allowable value for junction-to-ambient thermal resistance, θJA, can be calculated using the
formula:
θJA = TRmax / PD = (TJmax – TAmax) / PD
TJ75XXA is available in TO-92 and SOT-89 package. The thermal resistance depends on amount of copper
area or heat sink, and on air flow.
If proper cooling solution such as heat sink, copper plane area, air flow is applied, the maximum allowable
power dissipation could be increased. However, if the ambient temperature is increased, the allowable power
dissipation would be decreased.
Jan. 2019 – R1.3
6/7
HTC
LDO CMOS-30V Regulator
TJ75XXA
REVISION NOTICE
The description in this data sheet can be revised without any notice to describe its electrical characteristics
properly.
Jan. 2019 – R1.3
7/7
HTC
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