参数资料
型号: TPS2068DGNR
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, MSOP-8
文件页数: 28/33页
文件大小: 1022K
代理商: TPS2068DGNR
SLVS553K
– MARCH 2005 – REVISED MAY 2011
ELECTRICAL CHARACTERISTICS (continued)
0
°C ≤ TJ ≤ 105°C for the TPS2060/64 and TPS2068 (D package), plus –40°C ≤ TJ ≤ 105° for the
TPS2068/69 (DGN package), 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
OVERCURRENT OCx
VOL(/OCx)
Output low voltage
IO(/OCx) = 5 mA
0.4
V
Off-state current
VO(/OCx) = 5 V or 3.3 V
1
μA
OC deglitch
OCx assertion or deassertion
4
8
15
ms
THERMAL SHUTDOWN(3)
Thermal shutdown threshold
135
°C
Recovery from thermal shutdown
125
°C
Hysteresis
10
°C
(3)
The thermal shutdown only reacts under overcurrent conditions.
DEVICE INFORMATION
Pin Functions
PINS
I/O
DESCRIPTION
DGN and DRB PACKAGES
NAME
TPS2060
TPS2064
EN1
3
I
Enable input, logic low turns on power switch IN-OUT1
EN2
4
I
Enable input, logic low turns on power switch IN-OUT2
EN1
3
I
Enable input, logic high turns on power switch IN-OUT1
EN2
4
I
Enable input, logic high turns on power switch IN-OUT2
GND
1
Ground
IN
2
I
Input voltage
OC1
8
O
Overcurrent, open-drain output, active low, IN-OUT1
OC2
5
O
Overcurrent, open-drain output, active low, IN-OUT2
OUT1
7
O
Power-switch output, IN-OUT1
OUT2
6
O
Power-switch output, IN-OUT2
PowerPad
Connect to GND
4
Copyright
2005–2011, Texas Instruments Incorporated
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