Datasheet
TPS62110, TPS62111
TPS62112, TPS62113
SLVS585C –JULY 2005–REVISED OCTOBER 2012
www.ti.com
ELECTRICAL CHARACTERISTICS (continued)
V
I
= 12 V, V
O
= 3.3 V, I
O
= 600 mA, EN = V
I
, T
A
= –40°C to 85°C (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
OSCILLATOR
f
S
Oscillator frequency 900 1000 1100 kHz
f
(SYNC)
Synchronization range CMOS-logic clock signal on SYNC pin 800 1400 kHz
V
IH
SYNC high-level input voltage 1.5 V
V
IL
SYNC low-level input voltage 0.3 V
I
lkg
SYNC input leakage current SYNC = GND or VIN 0.01 0.2 µA
SYNC trip-point hysteresis 170 mV
I
lkg
SYNC input leakage current 0.6 V ≤ V
(SYNC)
≤ 4 V 10 20 µA
Duty cycle of external clock signal 30% 90%
OUTPUT
TPS62110
V
O
Adjustable output voltage range 1.153 16 V
TPS62113
TPS62110
V
FB
Feedback voltage 1.153 V
TPS62113
TPS62110
I
lkg
FB input leakage current 10 100 nA
TPS62113
TPS62110 V
I
= 3.1 V to 17 V;
Feedback voltage tolerance –2% 2%
TPS62113 0 mA < I
O
< 1500 mA
(2)
V
I
= 3.8 V to 17 V;
TPS62111 –3% 3%
0 mA < I
O
< 1500 mA
(2)
Fixed output-voltage tolerance
(3)
V
I
= 5.5 V to 17 V;
TPS62112 –3% 3%
0 mA < I
O
< 1500 mA
(2)
V
I
≥ 3 V (once undervoltage lockout
100
voltage exceeded)
V
I
≥ 3.5 V 500
I
O
Maximum output current mA
V
I
≥ 4.3 V 1200
V
I
≥ 6 V 1500
Current into internal voltage divider for
5 µA
fixed voltage versions
V
I
= 7.2 V; V
O
= 3.3 V; I
O
= 600 mA
η Efficiency 92%
V
I
= 12 V, V
o
= 5 V, I
o
= 600 mA
Duty-cycle range for main switches at 1 MHz 10% 100%
Minimum t
on
time for main switch 100 ns
T
SD
Shutdown temperature 145 °C
Start-up time I
O
= 800 mA, V
I
= 12 V, V
o
= 3.3 V 1 ms
(2) The maximum output current depends on the input voltage. See the maximum output current for further restrictions on the minimum
input voltage.
(3) The output voltage accuracy includes line and load regulation over the full temperature range T
A
= –40°C to 85°C. See the No-Load
Operation section in this data sheet.
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