Datasheet
ELECTRICAL CHARACTERISTICS – LINEAR REGULATORS (continued)
TPS65820
SLVS663B – MAY 2006 – REVISED APRIL 2008 ..............................................................................................................................................................
www.ti.com
Over recommended operating conditions (typical values at T
J
= 25 ° C), application circuit as in Figure 3 (unless otherwise
noted).
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
RTC_OUT LINEAR REGULATOR
I
Q(RTC_OUT)
Quiescent current for RTC LDO Internally connected to OUT pin 20 µ A
I
O(RTC_OUT)
Output current range 8 mA
Available output voltages:
V
Output voltage value, selectable via I
2
C.
2.6 V or 3.1 V
Dropout voltage, I(RTC_OUT) = – 8 mA 200 mV
Total accuracy, V(OUT): 2 V to 4.7 V, 8 mA load,
– 5% 5%
V
O(RTC_OUT)
RTC_OUT output voltage sleep mode not set
Load regulation, load: 1 mA → 8 mA, 2 V < V(OUT) < 4.7
– 3% 3%
V
Line regulation, 5 mA load
– 2% 2%
V(OUT): 2 V → 4.7 V
I
SH(RTC_OUT)
Short-circuit current limit V(RTC_OUT) = 0 V 20 mA
T
J
= 85 ° C 880
V(RTC_OUT) = 1.5 V,
I
LKG(RTC_OUT)
Leakage current nA
V(OUT) = 0 V
T
J
= 25 ° C 250
LDO0 LINEAR REGULATOR
I(LDO0) = – 1 mA 15
Internally connected to VIN_LDO12
I
Q(LDO0)
Quiescent current µ A
pin
I(LDO0) = – 150 mA 160
I
O(LDO0)
Output current range 150 mA
Fixed output voltage value 3.3 V
Dropout voltage, I(LDO0) = – 150 mA 300 mV
Total accuracy – 3% 3%
V
O(LDO0)
Output voltage
Line regulation, V(OUT): V
O(LDO0)
+ 0.5 → 4.7 V, I(LDO0) =
– 1% 1%
– 100 mA
Load regulation, I(LDO0) = – 10 mA → – 150 mA – 1.5% 1.5%
PSR
(LDO0)
PSRR at 20 kHz 150-mA load at output, V(VIN_LDO12) – V
O(LDO1,2)
= 1 V 40 dB
I
SC(LDO0)
Short-circuit current limit V(LDO0) = 0 V 300 mA
I
LKG(LDO0)
Leakage current LDO off 1 µ A
LDO_PM LINEAR REGULATOR
I
Q(LD0_PM)
Output current range 20 mA
Fixed output voltage value, V(OUT) > 4 V 3.3 V
V
O(LDO_PM)
Output voltage Dropout voltage, I(LDOPM) = – 12 mA 0.5 0.7 V
Total accuracy – 5% 5%
I
LKG(LDOPM)
Leakage current LDO off 1 µ A
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