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SWCS049B 数据表(PDF) 29 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) 29 Page - Texas Instruments

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TPS65911
www.ti.com
SWCS049S – JUNE 2010 – REVISED AUGUST 2018
Submit Documentation Feedback
Product Folder Links: TPS65911
Specifications
Copyright © 2010–2018, Texas Instruments Incorporated
5.18 Electrical Characteristics: LDO3 and LDO4
Over operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Input voltage on VCC5 (VIN)
VOUT (LDO3) = 1.8 V and VOUT (LDO4) = 1.8 V
or 1.1 V or 1.0 V
2.7
5.5
V
VOUT (LDO3) = 2.6 V and VOUT (LDO4) = 2.5 V
3.0
5.5
VOUT (LDO3) = 2.8 V
3.2
5.5
LDO3
DC output voltage (VOUT)
On and low-power mode,
VOUT = 1.0 to 3.3 V,
VIN = VINmin to VINmax
SEL[6:2] =
00010
1
V
SEL[6:2] =
00011
1.1
...
–3%
...
3%
SEL[6:2] =
11000
3.2
SEL[6:2] =
11001
3.3
Rated output current (IOUTmax)
On mode
200
mA
Low-power mode
1
Load current limitation (short-circuit
protection)
On mode, VOUT = VOUTmin – 100 mV
400
550
650
mA
Dropout voltage (VDO)
On mode, VOUTtyp = 3.3 V, VDO = VIN – VOUT,
VIN = 3.6 V, IOUT = IOUTmax
150
250
mV
DC load regulation
On mode, IOUT = IOUTmax to 0
10
mV
DC line regulation
On mode, VIN = VINmin to VINmax at IOUT =
IOUTmax
4
mV
Transient load regulation
On mode, VIN = 2.7 V, VOUTtyp = 1.8 V
IOUT = 0.1 × IOUTmax to 0.9 × IOUTmax in 5 µs
and
IOUT = 0.9 × IOUTmax to 0.1 × IOUTmax in 5 µs
15
22
mV
Transient line regulation
On mode, VOUTtyp = 1.8V, IOUT = IOUTmax,
VIN = VINmin + 0.5 V to VINmin in 30 µs
and VIN = VINmin to VINmin + 0.5 V in 30 µs,
IOUT = IOUTmax
0.5
1
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
200
Turnon inrush current
200
450
mA
Ripple rejection
VIN = VINDC + 100 mVpp tone,
VINDC+ = 3.8 V,
IOUT = IOUTmax / 2
ƒ = 217 Hz
70
dB
ƒ = 50 Hz
40
LDO3 internal resistance
LDO off
500
kΩ
Ground current
On mode, IOUT = 0
65
76
µA
On mode, IOUT = IOUTmax
2000
Low-power mode
14
22
Off mode
1
LDO4



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