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PT7M6440NLT3

Description
Power Management Circuit,
CategoryPower/power management    The power supply circuit   
File Size539KB,10 Pages
ManufacturerDiodes Incorporated
Download Datasheet Parametric View All

PT7M6440NLT3 Overview

Power Management Circuit,

PT7M6440NLT3 Parametric

Parameter NameAttribute value
Objectid4000494850
package instruction,
Reach Compliance Codecompliant
ECCN codeEAR99
PT
Pericom Technology Inc.
Features
High accuracy:
±1.5%
(25°C)
Low power consumption: 0.9uA @ 3V 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:
±2.5% ×
TYP
Output configuration: N-channel open drain or
CMOS
Reset timeout period at least 140ms
Data Sheet
PT7M6418CL/CH /NL-6450CL/CH /NL
Mp Supervisor
General
The PT7M64xx series are µP supervisory circuits with a
minimum reset timeout period of 140ms. Each circuit
includes a precise bandgap reference, a comparator, a
reset timeout circuit, internally trimmed resistor networks
that set specified trip thresholds, and an internal 5%
threshold hysteresis circuit (see the
Functional Diagram).
Output is asserted when V
CC
falls below the internal V
TH-
after a reset timeout period and remains asserted until
V
CC
rises above V
TH+
(V
TH+
= V
TH-
×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 36µs.
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.
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Ordering Information
Part Number
PT7M64xxCLT3
PT7M64xxCLT5
PT7M64xxCLC3
PT7M64xxCHT3
PT7M64xxCHT5
Package
SOT23-3
SOT23-5
SC70-3
SOT23-3
SOT23-5
Part Number
PT7M64xxCHC3
PT7M64xxNLT3
PT7M64xxNLT5
PT7M64xxNLC3
Package
SC70-3
SOT23-3
SOT23-5
SC70-3
Note:
“xx” refer to voltage range, see below table 1.
Table 1. Suffix “xx” definition of PT7M64xx
Suffix xx
18
19
20
21
22
23
24
V
TH-
(V)
1.8
1.9
2.0
2.1
2.2
2.3
2.4
Suffix xx
25
26
27
28
29
30
31
V
TH-
(V)
2.5
2.6
2.7
2.8
2.9
3.0
3.1
Suffix xx
32
33
34
35
36
37
38
V
TH-
(V)
3.2
3.3
3.4
3.5
3.6
3.7
3.8
Suffix xx
39
40
41
42
43
44
45
V
TH-
(V)
3.9
4.0
4.1
4.2
4.3
4.4
4.5
Suffix xx
46
47
48
49
50
V
TH-
(V)
4.6
4.7
4.8
4.9
5.0
Table 2.
Function comparison
Reset Output
Item
1
2
3
Part No.
PT7M64xxCL
PT7M64xxCH
PT7M64xxNL
Open-Drain
Active high
Active low
-
-
-
-
-
Push-Pull
Active high
Active low
-
-
-
-
Threshold
1.8V to 5.0V in 100mV
increments
PT0200(11/04)
1
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