PT7M6118-6150 CL/CH/NL
Low Power Voltage Detector
Features
Description
x
x
x
x
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The PT7M61xx serials of ultra-low-power voltage detectors
monitor battery, power-supply and system voltages. Each
circuit includes a precision bandgap reference, a comparator,
internally trimmed resistor networks that set specified trip
thresholds, and an internal 1% and 5% threshold hysteresis
circuit. Output is asserted when VCC falls below the internal
VTH- and remains asserted until VCC rises above VTH+ (VTH+
= VTH- h 1.05). These devices provide excellent circuit
reliability and low cost by eliminating external components
and adjustments when monitoring nominal system voltages
from +1.8V to +5V in 100mV increments. The series are
voltage detectors with a propagation delay of 17μs.
The family is available with three output stage options:
push-pull with active-low output, push-pull with active- high
output, and open drain with active-low output. These
devices specified over the -40°C to +85°C temperature range.
Highly accurate: r1.5% (25°C)
Low power consumption: 1μA @ 3.6V Vcc
Detect voltage range: 1.8 to 5V in 100mV increments
Operating voltage range: 1.2V ~ 5.5V
Operating temperature range: -40°C to + 85°C
Detect voltage accuracy over temperature: r2.5% u Typ
Output configuration: N-channel open drain or CMOS
Pin Configuration
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PT7M6118-6150 CL/CH/NL
Pin Description
Name
Type
Description
RST
O
111
Reset Output (PT7M61xxCL/NL): RST is asserted when VCC drops below voltage threshold VTH-. Active
low.
RST
O
Reset Output (PT7M61xxCH). RST is asserted when VCC drops below voltage threshold VTH-. Active
high.
GND
P
Ground
VCC
P
Supply Voltage.
Block Diagram
Block Diagram of PT7M61xxCL/CH
Vcc
-
RST / (RST)
+
(RST is for
61xxCH only)
GND
Reference
Voltage
1.25V
Block Diagram of PT7M61xxNL
Vcc
RST
+
GND
Reference
Voltage
1.25V
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Maximum Ratings
Storage Temperature ............................................................-65oC to +150oC
Ambient Temperature with Power Applied.......................... -40oC to +85oC
Supply Voltage to Ground Potential (Vcc to GND) ..............-0.3V to +6.0V
DC Input Voltage (All inputs except Vcc and GND)......-0.3V to VCC+0.3V
DC Output Current (All outputs) ..........................................................20mA
Power Dissipation .......................................... 320mW (Depend on package)
Note:
Stresses greater than those listed under MAXIMUM
RATINGS may cause permanent damage to the device.
This is a stress rating only and functional operation of the
device at these or any other condi-tions above those
indicated in the operational sec-tions of this specification
is not implied. Exposure to absolute maximum rating
conditions for extended periods may affect reliability.
DC Electrical Characteristics
(VCC = 1.2V to 5.5V, TA= -40~85ºC, unless otherwise noted. Typical values are at T A = +25ºC)
Description
Sym.
Supply Voltage
VCC
Supply Current
ICC
Output high
VOH
Output
Driving
Output low
Open-Drain Output Leakage
Current
VOL
ILKG
Test Conditions
Min
Typ
Max
TA= 0~70ºC
1.0
-
5.5
TA= -40~85ºC
1.2
-
5.5
VCC = 3.6V. No load.
-
1.0
3.0
μA
VCC = 5V. No load.
-
1.3
3.6
μA
VCC ≥ 1.8V, Isource = 1mA
0.8×Vcc
-
-
VCC ≥ 2.5V, Isource = 3mA
0.8×Vcc
-
-
VCC ≥ 4.5V, Isource = 8mA
0.8×Vcc
-
-
VCC ≥ 1.2V, Isink = 1mA
-
-
0.3
VCC ≥ 2.5V, Isink = 4mA
-
-
0.3
VCC ≥ 4.5V, Isink = 9mA
-
-
0.4
-
-
-
1
PA
(VTH-)
u1.015
(VTH-)
u1.025
(VTH+)
u1.015
(VTH+)
u1.025
V
%
(VTH-)
u0.985
(VTH-)
u0.975
(VTH+)
u0.985
(VTH+)
u0.975
+25qC
VTH-40qC~85qC
Voltage Threshold
+25qC
VTH+
-40qC~85qC
voltage threshold Hysteresis
VHYST
VHYST = [(VTH+)-(VTH-)]/(VTH-)
u100%
VTHVTHVTH+
VTH+
3
4.5
6
-
1
-
Unit
V
V
V
Note: VTH+ = 1.05 u VTH- DŽVTH- is voltage threshold when Vcc falls from high to low. VTHˇis voltage threshold when Vcc rises
from low to high.
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PT7M6118-6150 CL/CH/NL
AC Electrical Characteristics
Timing diagram
VCC
VTH+
VTH-
tRP
tP
tRP
tP
RST
RST
(PT7M61xxCH)
VTH+ = 1.05 x VTH-
(VCC = 1.2V to 5.5V, TA= -40~85ºC, unless otherwise noted. Typical values are at TA = +25ºC)
Sym.
Description
Test Conditions
Min
Typ
Max
Unit
tRP
Timeout Period
-
-
-
200
Ps
tP
Delay
-
-
50
-
Ps
VCC Maximum Transient
Duration
Reset threshold overdrive=500mV
(VCC-Vth=-500mV)
-
20
-
Ps
toverdrive
Typical Operation Circuit
PT7M61xxNL Application Example
VIN
PT7M61xxNL
RL
RST
Vcc
GND
Please use N-ch open drains configuration, when a resistor RIN is connected between the VCC pin and power source VIN.
In such cases, please ensure that RIN is less than 10k: and that C is more than 0.1PF. RL could be 1k:to 510k:.
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PT7M6118-6150 CL/CH/NL
Mechanical Information
TA3 (SOT23-3)
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PT7M6118-6150 CL/CH/NL
TA5 (SOT23-5)
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PT7M6118-6150 CL/CH/NL
C3 (SC70-3)
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PT7M6118-6150 CL/CH/NL
C4 (SC70-4)
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PT7M6118-6150 CL/CH/NL
XV (UDFN1.6x1.6-4L)
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For latest package info.
please check: http://www.diodes.com/design/support/packaging/pericom-packaging/packaging-mechanicals-and-thermal-characteristics/
Ordering Information
Part Number
PT7M61xxCLTA3E
PT7M61xxCLTA5E
PT7M61xxCLC3E
PT7M61xxCLC4E
*PT7M61xxCHTA3E
*PT7M61xxCHTA5E
*PT7M61xxCHC3E
*PT7M61xxCHC4E
PT7M61xxNLTA3E
PT7M61xxNLTA5E
PT7M61xxNLC3E
PT7M61xxNLC4E
PT7M61xxCLETA3E
PT7M61xxCLETA5E
PT7M61xxCLEC3E
PT7M61xxCLEC4E
*PT7M61xxCHETA3E
*PT7M61xxCHETA5E
*PT7M61xxCHEC3E
*PT7M61xxCHEC4E
PT7M61xxNLETA3E
PT7M61xxNLETA5E
PT7M61xxNLEC3E
PT7M61xxNLEC4E
PT7M61xxNLEXVE
PT7M61xxNLXVE
PT7M61xxCLXVE
PT7M61xxCLEXVE
*PT7M61xxCHXVE
*PT7M61xxCHEXVE
Package Code
TA3
TA5
C3
C4
TA3
TA5
C3
C4
TA3
TA5
C3
C4
TA3
TA5
C3
C4
TA3
TA5
C3
C4
TA3
TA5
C3
C4
XV
XV
XV
XV
XV
XV
Package
3-Pin, Small Outline Transistor Plastic Package (SOT23)
5-Pin, Small Outline Transistor Plastic Package (SOT23)
3-Pin, SOT323 (SC70)
4-Pin, SOT343 (SC70)
Lead free and Green SOT23-3
5-Pin, Small Outline Transistor Plastic Package (SOT23)
3-Pin, SOT323 (SC70)
4-Pin, SOT343 (SC70)
3-Pin, Small Outline Transistor Plastic Package (SOT23)
5-Pin, Small Outline Transistor Plastic Package (SOT23)
3-Pin, SOT323 (SC70)
4-Pin, SOT343 (SC70)
3-Pin, Small Outline Transistor Plastic Package (SOT23)
5-Pin, Small Outline Transistor Plastic Package (SOT23)
3-Pin, SOT323 (SC70)
4-Pin, SOT343 (SC70)
3-Pin, Small Outline Transistor Plastic Package (SOT23)
5-Pin, Small Outline Transistor Plastic Package (SOT23)
3-Pin, SOT323 (SC70)
4-Pin, SOT343 (SC70)
3-Pin, Small Outline Transistor Plastic Package (SOT23)
5-Pin, Small Outline Transistor Plastic Package (SOT23)
3-Pin, SOT323 (SC70)
4-Pin, SOT343 (SC70)
4-Pin, 1.6x1.6, MIS (UDFN)
4-Pin, 1.6x1.6, MIS (UDFN)
4-Pin, 1.6x1.6, MIS (UDFN)
4-Pin, 1.6x1.6, MIS (UDFN)
4-Pin, 1.6x1.6, MIS (UDFN)
4-Pin, 1.6x1.6, MIS (UDFN)
Notes:
1: “xx” refer to voltage range, see below table 1.
2: Adding E suffix=1% Hysteresis. For example: PT7M61xxCLETA3E.
3: None E suffix=5% Hysteresis. For example: PT7M61xxCLTA3E.
4: E = Pb-free and Green
5: Adding X Suffix= Tape/Reel
6: Contact Pericom for availability
7: “*” for CH part, please check the storage with related sales.
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PT7M6118-6150 CL/CH/NL
Table 1 Function comparison
Item
Part No.
1
2
3
PT7M61xxCL
PT7M61xxCH
PT7M61xxNL
Reset Output
Open-Drain
Push-Pull
Active high
Active low
Active high
Active low
Threshold
1.8V to 5.0V in 100mV
increments
Table 2 Suffix “xx” definition of PT7M61xx
Suffix xx
18
19
20
21
22
23
24
VTH- (V)
1.8
1.9
2.0
2.1
2.2
2.3
2.4
Suffix xx
25
26
27
28
29
30
31
VTH- (V)
2.5
2.6
2.7
2.8
2.9
3.0
3.1
Suffix xx
32
33
34
35
36
37
38
VTH- (V)
3.2
3.3
3.4
3.5
3.6
3.7
3.8
Suffix xx
39
40
41
42
43
44
45
VTH- (V)
3.9
4.0
4.1
4.2
4.3
4.4
4.5
Suffix xx
46
47
48
49
50
VTH- (V)
4.6
4.7
4.8
4.9
5.0
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PT7M6118-6150 CL/CH/NL
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