參數(shù)資料
型號： PTPS659106A1RSLR
廠商： TEXAS INSTRUMENTS INC
元件分類： 電源管理
英文描述： POWER SUPPLY SUPPORT CKT, PQCC48
封裝： 6 X 6 MM, 1 MM HEIGHT, GREEN, PLASTIC,VQFN-48
文件頁數(shù)： 18/89頁
文件大?。?/td> 941K
代理商： PTPS659106A1RSLR
PRODUCTPREVIEW
www.ti.com
SWCS046C – MARCH 2010 – REVISED JUNE 2010
VAUX1 AND VAUX2 LDO (continued)
over operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Load current limitation
On mode, VOUT = VOUTmin – 100 mV
350
500
mA
(short-circuit protection)
Dropout voltage VDO
On mode, VOUTtyp = 2.8 V, VDO = VIN – VOUT
150
mV
VIN = 2.9 V, IOUT = IOUTmax, T = 25°C
DC load regulation
On mode, IOUT = IOUTmax to 0
15
mV
DC line regulation
On mode, VIN = VINmin to VINmax @ IOUT = IOUTmax
1
mV
On mode, VIN = 3.8 V, IOUT = 0.1 × IOUTmax to 0.9 ×
Transient load regulation
12
mV
IOUTmax in 5s
And IOUT = 0.9 × IOUTmax to 0.1 × IOUTmax in 5us
On mode, IOUT = IOUTmax, VIN = VINmin + 0.5 V to
Transient line regulation
0.5
mV
VINmin in 30 s
And VIN= VINmin to VINmin + 0.5 V in 30 s, IOUT =
IOUTmax/2
Turn-on time
IOUT = 0, @ VOUT = 0.1 V up to VOUTmin
100
s
Turn-on Inrush current
600
mA
VIN = VINDC + 100 mVpp tone, VINDC+ = 3.8 V, IOUT =
Ripple rejection
IOUTmax/2
f = 217 Hz
70
dB
f = 50 kHz
40
VAUX2 internal resistance
LDO off
60
Ω
Ground current
On mode, IOUT = 0
60
On mode, IOUT = IOUTmax
1600
A
Low-power mode
12
Off mode
1
Copyright 2010, Texas Instruments Incorporated
25
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