Datasheet

TPS65023, TPS65023B
SLVS670J –JUNE 2006– REVISED SEPTEMBER 2011 www.ti.com
ELECTRICAL CHARACTERISTICS
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, I
O
= 0 mA 3 V
I
O
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, V
CC
= 3 V;
30 mA
RESPWRON = 1 VSYSIN = VBACKUP = 0 V
V
O
Output voltage accuracy for VRTC VSYSIN = VBACKUP = 0 V; I
O
= 0 mA –1% 1%
Line regulation for VRTC VCC = VRTC + 0.5 V to 6.5 V, I
O
= 5 mA –1% 1%
I
O
= 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
I
lkg
Input leakage current at VSYSIN VSYSIN < V_VSYSIN 2 μA
r
DS(on)
of VSYSIN switch 12.5 Ω
r
DS(on)
of VBACKUP switch 12.5 Ω
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 rising –3% 2.65 3% V
SUPPLY PIN: VINLDO
Operating quiescent current Current per LDO into VINLDO
I
(q)
16 30 μA
for LDO_CTRL = 0x0
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.
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