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SWCS049B 数据表(PDF) 19 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) 19 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
5.11 Electrical Characteristics: Backup Battery Charger
Over operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Backup battery charging current
VBACKUP = 0 to 2.8 V, BBCHEN = 1
350
650
900
µA
End-of-charge backup battery voltage
VCC5 = 3.6 V, IVBACKUP = –10 µA,
BBSEL = 10
–3%
3.15
3%
V
VCC5 = 3.6 V, IVBACKUP = –10 µA,
BBSEL = 00
–3%
3
3%
VCC5 = 3.6 V, IVBACKUP = –10 µA,
BBSEL = 01
–3%
2.52
3%
VCC5 = 3.6 V, IVBACKUP = –10 µA,
BBSEL = 11
VBAT – 0.3
V
VBAT
VCC5 = 3.0 V, IVBACKUP = –10 µA,
BBSEL = 10
VBAT – 0.2
V
VBAT
Ground current
On mode
10
µA
(1)
These parameters are not tested. They are used for design specification only.
5.12 Electrical Characteristics: VRTC LDO
Over operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Input voltage on VCC7 (VIN)
On mode
2.5
5.5
V
Backup mode
1.9
3
DC output voltage (VOUT)
On mode, 3.0 V < VIN < 5.5 V
1.78
1.83
1.88
V
Backup mode, 2.3 V
≤ VIN ≤ 2.6 V
1.72
1.78
1.84
Rated output current (IOUTmax)
On mode
20
mA
Backup mode
0.1
DC load regulation
On mode, IOUT = IOUTmax to 0
100
mV
Backup mode, IOUT = IOUTmax to 0
100
DC line regulation
On mode, VIN = 3.0 V to VINmax at IOUT =
IOUTmax
2.5
mV
Backup mode, VIN = 2.3 V to 5.5 V at IOUT =
IOUTmax
100
Transient load regulation
On mode, VIN = VINmin + 0.2 V to VINmax
IOUT = IOUTmax / 2 to IOUTmax in 5 µs
and IOUT = IOUTmax to IOUTmax / 2 in 5 µs
50(1)
mV
Transient line regulation
On mode, VIN = VINmin + 0.5 V to VINmin in 30
µs
and VIN = VINmin to VINmin + 0.5 V in 30 µs,
IOUT = IOUTmax / 2
25(1)
mV
Turnon time
IOUT = 0, VIN rising from 0 up to 3.6 V, at VOUT
= 0.1 V up to VOUTmin
2.2
ms
Ripple rejection
VIN = VINDC + 100 mVpp tone,
VINDC+ = VINmin + 0.1 V to VINmax
at IOUT = IOUTmax / 2
ƒ = 217
Hz
55
dB
ƒ = 50
kHz
35
Ground current
Device in ACTIVE state
23
µA
Device in BACKUP or OFF state
3



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