Datasheet

TPS62110-Q1
SLVSA54A –FEBRUARY 2010–REVISED SEPTEMBER 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 125°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
SYNC input current 0.6 V ≤ V
(SYNC)
≤ 4 V 10 20 µA
Duty cycle of external clock signal 30 90 %
OUTPUT
V
O
Adjustable output voltage range 1.153 16 V
V
FB
Feedback voltage 1.153 V
FB leakage current 10 100 nA
85°C –2 2
V
I
= 3.1 V to 17 V,
Feedback voltage tolerance
(3)
105°C –2.8 2.8 %
0 mA < I
O
< 1500 mA
(4)
125°C –6 6
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
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
Shutdown temperature 145 °C
Start-up time I
O
= 800 mA, V
I
= 12 V, V
O
= 3.3 V 1 ms
(3) Not production tested
(4) The maximum output current depends on the input voltage. See the maximum output current for further restrictions on the minimum
input voltage.
4 Submit Documentation Feedback Copyright © 2010–2012, Texas Instruments Incorporated
Product Folder Links: TPS62110-Q1