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参数资料
| 型号： | TPS22904YFPR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PBGA4 |
| 封装： | 0.80 X 0.80 MM, 0.50 MM HEIGHT, 0.40 MM PITCH, GREEN PACKAGE, DSBGA-4 |
| 文件页数： | 10/17页 |
| 文件大小： | 822K |
| 代理商： | TPS22904YFPR |
ON
VOUT
GND
Turn-On Slew Rate
Controlled Driver
ESD Protection
VIN
Control
Logic
A1
B1
A2
B2
Output Discharge
TPS22904 Only
SLVS827C – FEBRUARY 2009 – REVISED APRIL 2010
www.ti.com
ORDERING INFORMATION(1)
TA
PACKAGE(2)
ORDERABLE PART NUMBER
TOP-SIDE MARKING(3)
TPS22903YFPR
_ _ _4P_
–40°C to 85°C
WCSP – YFP (0.4-mm pitch)
Tape and reel
TPS22904YFPR
_ _ _4R_
(1)
For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI
web site at www.ti.com.
(2)
Package drawings, thermal data, and symbolization are available at www.ti.com/packaging.
(3)
The actual top-side marking has three preceding characters to denote year, month, and sequence code, and one following character to
designate the wafer fab/assembly site. Pin 1 identifier indicates solder-bump composition (1 = SnPb, = Pb-free).
BLOCK DIAGRAM
Figure 1. Functional Block Diagram
FUNCTION TABLE
ON
VIN TO VOUT
VOUT TO GND (TPS22904 ONLY)
(CONTROL INPUT)
L
OFF
ON
H
ON
OFF
TERMINAL FUNCTIONS
TERMINAL
I/O
DESCRIPTION
BALL NO.
NAME
A1
VIN
I
Input of the switch, bypass this input with a ceramic capacitor to ground
A2
VOUT
O
Output of the switch
B1
ON
I
Switch control input, active high, do not leave floating
B2
GND
–
Ground
2
Copyright 2009–2010, Texas Instruments Incorporated
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