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SWCS049B 数据表(PDF) 28 Page - Texas Instruments

部件名 SWCS049B
功能描述  TPS65911 Integrated Power Management Unit Top Specification
PDF  144 Pages
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制造商  TI [Texas Instruments]
网页  http://www.ti.com
标志 TI - Texas Instruments

SWCS049B 数据表(HTML) 28 Page - Texas Instruments

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TPS65911
SWCS049S – JUNE 2010 – REVISED AUGUST 2018
www.ti.com
Submit Documentation Feedback
Product Folder Links: TPS65911
Specifications
Copyright © 2010–2018, Texas Instruments Incorporated
Electrical Characteristics: LDO1 and LDO2 (continued)
Over operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
LDO2
DC output voltage VOUT
On and low-power mode, VIN
= VINmin to VINmax
(VINmax = 3.6 V)
SEL[7:2] =
000100
1
V
SEL[7:2] =
000101
1.05
...
–3%
...
3%
SEL[7:2] =
110001
3.25
SEL[7:2] =
110010
3.3
Rated output current IOUTmax
On mode
320
mA
Low-power mode
1
Load current limitation (short-circuit
protection)
On mode, VOUT = VOUTmin – 100 mV
450
600
1000
mA
Dropout voltage VDO
ON mode, VDO = VIN – VOUT,
VIN = 1.4 V, IOUT = IOUTmax
350
mV
DC load regulation
On mode, IOUT = IOUTmax to 0
12
mV
DC line regulation
On mode, VIN = VINmin to VINmax at IOUT =
IOUTmax
4
mV
Transient load regulation
ON mode, VIN = 1.5 V, VOUT = 1.05 V
IOUT = 0.1 × IOUTmax to 0.9 × IOUTmax in 5 µs
and IOUT = 0.9 × IOUTmax to 0.1 × IOUTmax in 5
µs
20
40
mV
Transient line regulation
On mode, VIN = 2.7 + 0.5 V to 2.7 in 30 µs,
and VIN = 2.7 to 2.7 + 0.5 V in 30 µs, IOUT =
IOUTmax
5
10
mV
Turnon time
VOUT = (1 to 1.8 V), at IOUT = 0
measured from VOUT = 0.1 V up to 97% of
VOUT
30
150
µs
VOUT = (1.9 to 3.3 V), at IOUT = 0
measured from VOUT = 0.1 V up to 97% of
VOUT
50
230
Turnon inrush current
300
600
mA
Ripple rejection
VIN = VINDC + 100 mVpp tone,
VINDC+= 1.8 V,
IOUT = IOUTmax / 2
ƒ = 217 Hz
70
dB
ƒ = 20 kHz
40
LDO2 internal resistance
LDO off
600
Ω
Ground current
On mode, IOUT = 0
63
75
µA
On mode, IOUT = IOUTmax
2000
Low-power mode
22
20
Off mode (maximum 85°C)
2.7



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