Datasheet

TPS62175, TPS62177
SLVSB35B –OCTOBER 2012–REVISED JANUARY 2014 www.ti.com
ELECTRICAL CHARACTERISTICS (continued)
over free-air temperature range (T
A
=-40°C to +85°C) and V
IN
=4.75 to 28V. Typical values at V
IN
=12V and T
A
=25°C (unless
otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
TPS62175 (adjustable PWM Mode -1.8 1.8
Vout), V
IN
≥ V
OUT
+1V
Power Save Mode, V
OUT
≥ 2.5V,
-1.8 3
L=10µH C
OUT
=22µF
V
OUT
< 2.5V,
-1.8 3.7
C
OUT
=44µF
Output Voltage
Sleep Mode, C
OUT
=22µF, %
Accuracy
(1)
-1.6 2.9
I
OUT
≤15mA L=10µH
TPS62177 (3.3V fixed PWM Mode -2 2
V
OUT
Vout)
Power Save Mode, C
OUT
=22µF, -2 2.9
L=10µH
Sleep Mode,
-1.6 2.7
I
OUT
≤15mA
Output Discharge EN=Low
175 Ω
Resistance
Load Regulation V
OUT
=3.3V, PWM mode operation 0.02 %/A
Line Regulation V
OUT
=3.3V, I
OUT
= 500mA, PWM mode operation 0.015 %/V
(1) The output voltage accuracy in Power Save and Sleep Mode can be improved by increasing the output capacitor value, reducing the
output voltage ripple (see APPLICATION INFORMATION section).
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