Datasheet

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 
SLVS391B − OCTOBER 2001 − REVISED FEBRUARY 2002
4
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electrical characteristics at C
i
= 4.7 µF, C1F = C2F = 1 µF, C
o
= 10 µF, T
A
= −40°C to 85°C,
V
I
= 5 V, V
(EN)
= GND (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
V
I
Supply voltage range 1.8 6.5 V
V
I
= 1.8 V to 2.7 V, V
I
−V
O
> 1 V 50
V
I
≥ 2.7 V, V
I
−V
O
> 1 V 150
I
O
Maximum output current
V
O =
1.5 V, V
I
≥ 3.1 V 250
mA
I
O
Maximum output current
V
I
≥ 3.7 V, 1.8 V ≤ V
O
≤ 2.5 V 250
mA
V
O
> 2.5 V, V
I
> V
O
+ 1.2 V 250
TPS60500 0.8 3.3
V
O
Output voltage
TPS60501
V
I
> 2.7V; V
I
−V
O
> 1 V at I
OUT
≤
150 mA
3.30
V
V
O
Output voltage
TPS60502
V
I
> 2.7V; V
I
−V
O
> 1 V at I
OUT
≤ 150 mA
V
I
> 1.8 V; V
I
−V
O
> 1 V at I
OUT
≤ 50mA
1.80
V
TPS60503
V
I
> 1.8 V; V
I
−V
O
> 1 V at I
OUT
50mA
1.50
V
(FB)
Feedback voltage TPS60500 0.8 V
TPS60501 I
O
= 0 mA to 150 mA, C
o
= 47 µF −4% 3%
Tolerance of output voltage
TPS60500
I
O
= 0 mA to 150 mA, C
o
= 47 µF 3%
Tolerance of output voltage
TPS60500
TPS60502
TPS60503
I
O
= 0 mA to 150 mA, C
o
= 10 µF 4%
TPS60502
TPS60503
I
O
= 0 mA to 250 mA, C
o
= 47 µF 4%
V
pp
Output voltage ripple at OUT I
O
= 150 mA, V
O
= 1.5 V 30 mV
PP
I
Q
Quiescent current (no-load input current) I
O
= 0 mA 40 75 µA
T
(SD)
Thermal shutdown temperature 150 °C
I
O(SD)
Shutdown supply current V
(EN)
= V
I
0.05 0.5 µA
f
(OSC)
Internal switching frequency 600 800 1200 kHz
V
IL
EN input low voltage 0.3 x V
I
V
V
IH
EN input high voltage 0.7 x V
I
V
I
lkg(SD)
EN input leakage current V
(EN)
= 0 V or V
I
0.01 0.1 µA
I
lkg(FB)
FB input leakage current TPS60500 0.1 µA
R
(max)
Maximum resistance of the
external voltage divider
TPS60500 R1 + R2 at FB pin 1 MΩ
Short circuit current (start-up current) V
I
= 6.5V, V
O
= 0 V 100 300 mA
Output current limit V
O
> 0.6 V 500 mA
No load start-up time 80 µs
electrical characteristics for power good comparator of devices TPS6050x at T
A
= −40°C to 85°C,
V
I
= 5 V and V
(EN)
= GND (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
V
(PG)
Power good trip voltage See Note 2 V
ml
– 2% V
t
d,r
Power good delay time
V
O
ramping positive 100 200 µs
t
d,f
Power good delay time
V
O
ramping negative 50 100 µs
V
OL
Power good output voltage low V
O
= 0 V, I
(PG)
= 1 mA 0.3 V
I
lkg
Power good leakage current V
O
= 3.3 V, V
(PG)
= 3.3 V 0.01 0.1 µA
NOTE 2: V
ml
is the output voltage at the maximum load current. V
ml
is not a JEDEC symbol.