參數(shù)資料
型號: TPS2220BPWPRG4
廠商: TEXAS INSTRUMENTS INC
元件分類: 電源管理
英文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO24
封裝: GREEN, PLASTIC, HTSSOP-24
文件頁數(shù): 29/31頁
文件大?。?/td> 774K
代理商: TPS2220BPWPRG4
www.ti.com
TPS2220B
SLVS554 – JANUARY 2005
PIN ASSIGNMENTS (continued)
Terminal Functions
TERMINAL
NO.
I/O
DESCRIPTION
NAME
TPS2220B
3.3V
13
I
3.3-V input for card power and chip power
5V
1, 2
I
5-V input for card power
12V
7
I
12-V input for card power (AVPP).
AVCC
9, 10
O
Switched output that delivers 3.3 V, 5 V, ground or high impedance to card
AVPP
8
O
Switched output that delivers 3.3 V, 5 V, 12 V, ground or high impedance to card
GND
11
Ground
Open-drain overcurrent reporting output that goes low when an overcurrent condition exists. An external
OC
15
O
pullup is required.
Hi-Z (open) all switches. Identical function to serial D8. Asynchronous active-low command, internal
SHDN
21
I
pullup
RESET
12
I
Logic-level RESET input active low. Asynchronous active-low command, internal pullup
CLOCK
4
I
Logic-level clock for serial data word
DATA
3
I
Logic-level serial data word
LATCH
5
I
Logic-level latch for serial data word, internal pulldown
6, 14, 16,
17, 18, 19,
NC
No internal connection
20, 22, 23,
24
7
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