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| 型号： | TPS2062D-1G4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| 封装： | GREEN, PLASTIC, MS-012AA, SOIC-8 |
| 文件页数： | 26/31页 |
| 文件大小： | 915K |
| 代理商： | TPS2062D-1G4 |
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DEVICE INFORMATION
SLVS714A – FEBRUARY 2007 – REVISED MARCH 2009................................................................................................................................................ www.ti.com
ELECTRICAL CHARACTERISTICS (continued)
over recommended operating junction temperature range, VI(IN) = 5.5 V, IO = 1 A, VI(/ENx) = 0 V, or VI(ENx) = 5.5 V (unless
otherwise noted)
PARAMETER
TEST CONDITIONS(1)
MIN
TYP
MAX
UNIT
UNDERVOLTAGE LOCKOUT
Low-level input voltage, IN
2
2.5
V
Hysteresis, IN
TJ = 25°C
75
mV
OVERCURRENT OC1 and OC2
Output low voltage, VOL(OCx)
IO(OCx) = 5 mA
0.4
V
Off-state current(4)
VO(OCx) = 5 V or 3.3 V
1
A
OC deglitch(4)
OCx assertion or deassertion
4
8
15
ms
Discharge resistance
VCC = 5 V, disabled, IO = 1 mA
100
THERMAL SHUTDOWN(5)
Thermal shutdown threshold(4)
135
°C
Recovery from thermal shutdown(4)
125
°C
Hysteresis(4)
10
°C
(4)
Not tested in production, specified by design.
(5)
The thermal shutdown only reacts under overcurrent conditions.
Pin Functions
PIN
I/O
DESCRIPTION
NAME
TPS2065-1
TPS2062-1
TPS2066-1
EN
4
–
I
Enable input, logic high turns on power switch
EN1
–
3
–
I
Enable input, logic low turns on channel 1
EN2
–
4
–
I
Enable input, logic high turns on channel 2
EN1
–
3
I
Enable input, logic high turns on channel 1
EN2
–
4
I
Enable input, logic high turns on channel 2
GND
1
Ground connection
IN
2, 3
2
I
Input voltage; connect a 0.1
F or greater ceramic capacitor from IN to GND
as close to the IC as possible
OC
5
–
O
Active-low open-drain output, asserted during over-current
OC1
–
8
O
Active-low open-drain output, asserted during over-current for channel 1
OC2
5
O
Active-low open-drain output, asserted during over-current for channel 2
OUT
6, 7, 8
–
O
Power-switch output
OUT1
–
7
O
Power-switch output for channel 1
OUT2
–
6
O
Power-switch output for channel 2
4
Copyright 2007–2009, Texas Instruments Incorporated
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