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TPS65022 Datasheet (HTML) - Texas Instruments

Part No. TPS65022
Description  POWER MANAGEMENT IC FOR LI-ION POWERED SYSTEMS
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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ELECTRICAL CHARACTERISTICS
SLVS667 – JULY 2006
VINDCDC1 = VINDCDC2 = VINDCDC3 = VCC = VINLDO = 3.6 V, VBACKUP = 3 V, T
A = –40°C to 85°C, typical values are
at T
A = 25°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
SUPPLY PINS: VBACKUP, VSYSIN, VRTC
VBACKUP = 3 V, VSYSIN = 0 V;
I(q)
Operating quiescent current
20
33
µA
VCC = 2.6 V, current into VBACKUP
VBACKUP < V_VBACKUP, current into
I(SD)
Operating quiescent current
2
3
µA
VBACKUP
VRTC LDO output voltage
VSYSIN = VBACKUP = 0 V, IO = 0 mA
3
V
IO
Output current for VRTC
VSYSIN < 2.57 V and VBACKUP < 2.57 V
30
mA
VRTC short-circuit current limit
VRTC = GND; VSYSIN = VBACKUP = 0 V
100
mA
Maximum output current at VRTC for
VRTC > 2.6 V, VCC = 3 V;
30
mA
RESPWRON = 1
VSYSIN = VBACKUP = 0 V
VO
Output voltage accuracy for VRTC
VSYSIN = VBACKUP = 0 V; IO = 0 mA
-1%
1%
Line regulation for VRTC
VCC = VRTC + 0.5 V to 6.5 V, IO = 5 mA
-1%
1%
IO = 1 mA to 30 mA;
Load regulation VRTC
-3%
1%
VSYSIN = VBACKUP = 0 V
Regulation time for VRTC
Load change from 10% to 90%
10
µs
Ilkg
Input leakage current at VSYSIN
VSYSIN < V_VSYSIN
2
µA
rDS(on) of VSYSIN switch
12.5
rDS(on) of VBACKUP switch
12.5
Input voltage range at VBACKUP(1)
2.73
3.75
V
Input voltage range at VSYSIN(1)
2.73
3.75
V
VSYSIN threshold
VSYSIN falling
–3%
2.55
3%
V
VSYSIN threshold
VSYSIN rising
–3%
2.65
3%
V
VBACKUP threshold
VBACKUP falling
–3%
2.55
3%
V
VBACKUP threshold
VBACKUP falling
–3%
2.65
3%
V
SUPPLY PIN: VINLDO
I(q)
Operating quiescent current
Current per LDO into VINLDO
16
30
µA
Total current for both LDOs into VINLDO,
I(SD)
Shutdown current
0.1
1
µA
VLDO = 0 V
(1)
Based on the requirements for the Intel PXA270 processor.
5



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