Datasheet

ELECTRICAL CHARACTERISTICS – LINEAR REGULATORS
TPS65820
www.ti.com .............................................................................................................................................................. SLVS663B – MAY 2006 – REVISED APRIL 2008
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
SELECTABLE OUTPUT VOLTAGE LDO ’ S : LDO1, LDO2
I
(LDO1,2)
= – 1 mA 15
Quiescent current, either LDO1 or
I
Q(LDO12)
I
Q(LDO12)
= I(VIN_LDO02) µ A
LDO2 enabled, LDO0 disabled
I
(LDO1,2)
= – 150 mA 160
I
O(LDO1,2)
Output current range 150 mA
Available output voltages:
V
O(LDO1,2)
V
Output voltage, selectable via I
2
C.
TYP = 1.25, 1.5, 1.8, 2.5,
2.85, 3, 3.2, 3.3
Dropout voltage, 150 mA load 300 mV
V
O(LDO1,2)
LDO1, LDO2 output voltage
Total accuracy, V(VIN_LDO02) = 3.65 V – 3% 3%
Line regulation, 100 mA load,
– 1% 1%
V(VIN_LDO02): V
(LDO1,2)TYP
+ 0.5 V → 4.7 V
Load regulation, load: 10 mA → 150 mA
– 1.5% 1.5%
V(VIN_LDO02) > V
O(LDO1,2) TYP
+ 0.5V
P
SR(LDO12)
PSRR at 20 kHz 150-mA load at output, V(VIN_LDO02) – V
O(LDO1,2)
= 1 V 40 dB
LDO1 and -2 short-circuit current
I
SC(LDO1,2)
Output grounded 300 mA
limit
R
DCH(LDO1,2)
Discharge resistor 300 Ω
LDO disabled by I
2
C command
I
LKG(LDO1,2)
Leakage current LDO off 2 µ A
SIM LINEAR REGULATOR
I
Q(SIM)
Quiescent current Internally connected to OUT pin 20 µ A
I
O(SIM)
Output current range 8 mA
Available output voltages:
V
Output voltage, selectable via I
2
C.
V
O(SIM)TYP
= 1.8 or 3
Dropout voltage, 8-mA load 0.2 V
Total accuracy, V(OUT): 3.2 V to 4.7 V, 8 mA – 5% 5%
V
O(SIM)
SIM LDO output voltage
Load regulation, load: 1 mA → 8 mA,
– 3% 3%
V(OUT) > V
O(SIM) TYP
+ 0.5 V
Line regulation, 5 mA load, V(OUT):
– 2% 2%
V
O(SIM) TYP
+ 0.5 V → 4.7 V
I
SC(SIM)
Short-circuit current limit Output grounded 20 mA
I
LKG(SIM)
Leakage current LDO off 1 µ A
PROGRAMMABLE OUTPUT VOLTAGE LDO ’ S: LDO3, LDO4, LDO5
Quiescent current, only one of
I
Q(LDO35)
I
Q(LDO35)
= I(VIN_LDO35) 70 µ A
LDO3, LDO4, LDO5 is enabled
I
O(LDO35)
Output current range 100 mA
Available output voltages :
V
O(LDO35)TYP
= 1.224 V to V
Output voltage, selectable via I
2
C
4.46 V, 25 mV steps
Dropout voltage, 100-mA load 240 mV
Total accuracy, 100 mA load V
(VIN_LDO35)
= 5 V – 3% 3%
V
O(LDO35)
LDO3, LDO4, LDO5 output voltage
Load regulation,
V(VIN_LDO35) > V
O(LDO35)TYP
+ load: 1 mA → 50 mA – 1% 1%
0.5 V
Line regulation, 10 mA load,
– 1% 1%
V(VIN_LDO35): V
O(LDO35)TYP
+ 0.5 V → 4.7 V
I
SC(LDO35)
Short-circuit current limit Output grounded 250 mA
PSR
(LDO35)
PSRR at 10 kHz V(VIN_LDO35) > V
O(LDO3,5)
+ 1 V, 50 mA load at output 40 dB
R
DCH(LDO35)
Discharge resistor 400 Ω
LDO is disabled by I
2
C command
I
LKG(LDO35)
Leakage current LDO off 1 µ A
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