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参数资料
| 型号： | TPS2560DRC |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO10 |
| 封装： | GREEN, SON-10 |
| 文件页数： | 20/24页 |
| 文件大小： | 942K |
| 代理商： | TPS2560DRC |
Charge
Pump
Driver
UVLO
Current
Limit
Thermal
Sense
9-ms Deglitch
IN
GND
EN1
ILIM
OUT1
FAULT1
CS
Current
Sense
CS
EN2
OUT2
Thermal
Sense
9-ms Deglitch
FAULT2
Current
Sense
www.ti.com
SLVS930 – DECEMBER 2009
DEVICE INFORMATION
Pin Functions
PIN
I/O
DESCRIPTION
NAME
TPS2560
TPS2561
4
-
I
Enable input, logic low turns on channel one
EN1
power switch
EN1
-
4
I
Enable input, logic high turns on channel one
power switch
5
-
I
Enable input, logic low turns on channel two
EN2
power switch
EN2
-
5
I
Enable input, logic high turns on channel two
power switch
GND
1
Ground connection; connect externally to
PowerPAD
IN
2, 3
I
Input voltage; connect a 0.1
μF or greater
ceramic capacitor from IN to GND as close to the
IC as possible.
FAULT1
10
O
Active-low open-drain output, asserted during
overcurrent or overtemperature condition on
channel one.
FAULT2
6
O
Active-low open-drain output, asserted during
overcurrent or overtemperature condition on
channel two
OUT1
9
O
Power-switch output for channel one
OUT2
8
O
Power-switch output for channel two
ILIM
7
O
External resistor used to set current-limit
threshold; recommended 20 k
≤ RILIM ≤ 187 k.
Internally connected to GND; used to heat-sink
PowerPAD
PAD
the part to the circuit board traces. Connect
PowerPAD to GND pin externally.
FUNCTIONAL BLOCK DIAGRAM
Copyright 2009, Texas Instruments Incorporated
5
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