參數(shù)資料
型號: TPS2157IDGQ
廠商: Texas Instruments, Inc.
英文描述: 3.3-V LDO AND DUAL SWITCH FOR USB BUS-POWERED HUB POWER MANAGEMENT
中文描述: 3.3V的穩(wěn)壓器和雙USB總線開關(guān)電源的集線器,電源管理
文件頁數(shù): 2/19頁
文件大?。?/td> 268K
代理商: TPS2157IDGQ
TPS2149
TPS2159
SLVS401
AUGUST 2001
2
www.ti.com
AVAILABLE OPTIONS
PACKAGE
AND PIN
COUNT
PACKAGED DEVICES
TA
DESCRIPTION
ACTIVE LOW
(SWITCH)
ACTIVE HIGH
(SWITCH)
Adjustable LDO with LDO enable
TSSOP-14
TPS2145IPWP
TPS2155IPWP
3.3-V fixed LDO
MSOP-10
TPS2147IDGQ
TPS2157IDGQ
40
°
C to 85
°
C
3.3-V Fixed LDO with LDO enable and LDO output
switch
MSOP-8
TPS2148IDGN
TPS2158IDGN
3.3-V Fixed LDO, shared input with switches
NOTE: All options available taped and reeled. Add an R suffix (e.g. TPS2145IPWPR)
MSOP-8
TPS2149IDGN
TPS2159IDGN
TPS2149, TPS2159
MSOP (DGN) PACKAGE
(TOP VIEW)
EN1
EN2
OC
GND
8
7
6
5
1
2
3
4
OUT1
VIN
LDO_OUT
OUT2
Pins 7 and 8 are active high for TPS2159.
absolute maximum ratings over operating free-air temperature (unless otherwise noted)
Input voltage range: V
I(VIN)
,V
I(ENx)
,
Output voltage range: V
O(OUTx)
, V
O(LDO_OUT)
, V
O(OC)
Maximum output current, I
O(OC)
Continuous output current, I
O(OUT)
, I
O(LDO_OUT)
Continuous total power dissipation
Operating virtual-junction temperature range, T
J
Storage temperature range, T
stg
Lead temperature soldering 1,6 mm (1/16 inch) from case for 10 seconds
Electrostatic discharge (ESD) protection:
0.3 V to 6 V
0.3 V to 6 V
±
10
mA
Internally limited
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
See Dissipation Rating Table
40
°
C to 110
°
C
65
°
C to 150
°
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Charged device model (CDM)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
260
°
C
2 kV
1 kV
Human body model
Stresses beyond those listed under
absolute maximum ratings
may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under
recommended operating conditions
is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
All voltages are with respect to GND.
DISSIPATION RATING TABLE
PACKAGE
TA
25
°
C
POWER RATING
DERATING FACTOR
ABOVE TA = 25
°
C
17.1 mW/
°
C
TA = 70
°
C
POWER RATING
TA = 85
°
C
POWER RATING
MSOP8
1455.5 mW
684.9 mW
428.08 mW
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