參數(shù)資料
型號: TPS22949ADRGR
廠商: TEXAS INSTRUMENTS INC
元件分類: 電源管理
英文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
封裝: 3 X 3 MM, GREEN, PLASTIC, SON-8
文件頁數(shù): 12/28頁
文件大小: 1001K
代理商: TPS22949ADRGR
Bump View
1
2
B
C
D
A
Laser Marking View
2
1
B
C
D
A
EN2
V+
1
8
Exposed
Thermal
Die Pad
on
Underside
VIN
VOUTCL
3
6
GND
VOUTLDO
2
7
EN1
OC
4
5
SLVS908C – FEBRUARY 2009 – REVISED JANUARY 2010
www.ti.com
ORDERING INFORMATION(1)
TA
PACKAGE(2)
ORDERABLE PART NUMBER
TOP-SIDE MARKING(3)
SON – DRG
Tape and reel
TPS22949ADRGR
ZUG
–40°C to 85°C
TPS22949YZPR
_ _ _4Y_
WCSP – YZP
Tape and reel
TPS22949AYZPR
_ _ _4Z_
(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)
YZP: 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).
YZP PACKAGE
Table 1. YZP PACKAGE TERMINAL
ASSIGNMENTS
D
EN1
OC
C
VIN
VOUTCL
B
GND
VOUTLDO
A
EN2
V+
2
1
DRG PACKAGE
(TOP VIEW)
The exposed center pad, if used, must be connected as a secondary GND or left electrically open.
TERMINAL FUNCTIONS
TERMINAL
NO.
DESCRIPTION
NAME
YZP
DRG
A1
8
V+
Supply voltage
A2
1
EN2
LDO control input. Active high. Do not leave floating.
B1
7
VOUTLDO
LDO output. Output of the RF LDO fixed to 1.8 V(1).
B2
2
GND
Ground
C1
6
VOUTCL
Switch output. Output of the power switch
C2
3
VIN
Supply input. Input to the power switch; bypass this input with a ceramic capacitor to ground.
Over current output flag. Active low, open-drain output that indicates an over-current, supply
D1
5
OC
undervoltage, or over-temperature state.
D2
4
EN1
Power switch control input. Active high. Do not leave floating.
(1)
Output voltages from 0.9 V to 3.6 V in 50-mV increments are available through the use of innovative factory EEPROM programming;
minimum order quantities may apply. Contact factory for details and availability.
2
Copyright 2009–2010, Texas Instruments Incorporated
Product Folder Link(s): TPS22949 TPS22949A
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