SLVS432E – SEPTEMBER 2002 – REVISED JUNE 2011
ELECTRICAL CHARACTERISTICS (continued)
V
I
= 7.2 V, V
O
= 3.3 V, I
O
= 300 mA, EN = V
I
, T
A
= –40°C to 85°C (unless otherwise noted)
PARAMETER
OUTPUT
V
O
V
(FB)
Adjustable output voltage
range
Feedback voltage
FB leakage current
Feedback voltage tolerance
Fixed output voltage
tolerance
(1)
TPS62050, TPS62051
TPS62050, TPS62051
TPS62050, TPS62051
TPS62050, TPS62051
TPS62052
TPS62054
TPS62056
Resistance of internal voltage divider for fixed-voltage
versions
Line regulation
Load regulation
η
Efficiency
Duty cycle range for main switches
Minimum t
on
time for main switch
Shutdown temperature
Start-up time
I
O
= 200 mA, V
I
= 5 V, V
o
= 3.3 V,
C
o
= 22 µF, L = 10 µH
100
145
1
V
O
= 3.3 V, V
I
= 5 V to 10 V, I
O
= 600 mA
V
I
= 7.2 V; I
O
= 10 mA to 600 mA
V
I
= 5 V; V
O
= 3.3 V; I
O
= 300 mA
V
I
= 3.6 V; V
O
= 2.5 V; I
O
= 200 mA
V
I
= 2.7 V to 10 V, 0 mA< I
O
< 600 mA
V
I
= 2.7 V to 10 V, 0 mA< I
O
< 600 mA
V
I
= 2.7 V to 10 V, 0 mA< I
O
< 600 mA
V
I
= 3.75 V to 10 V, 0 mA< I
O
< 600 mA
-3%
-3%
-3%
-3%
700
1000
5.2
0.0045
93%
93%
100%
ns
°C
ms
0.7
0.5
0.02
0.1
3%
3%
3%
3%
1300
kΩ
mV/V
%/mA
6.0
V
V
µA
TEST CONDITIONS
MIN
TYP
MAX
UNIT
(1)
The worst case r
DS(on)
of the PMOS in 100% mode for an input voltage of 3.3 V is 0.75
Ω.
This value can be used to determine the
minimum input voltage if the output current is less than 600 mA with the TPS62056.
4
Copyright © 2002–2011, Texas Instruments Incorporated
Product Folder Links:
TI [ TEXAS INSTRUMENTS ]
