SFTB NSC [National Semiconductor], SFTB Datasheet - Page 4
SFTB
Manufacturer Part Number
SFTB
Description
Thin SOT23 1A Load Step-Down DC-DC Regulator
Manufacturer
NSC [National Semiconductor]
Datasheet
1.SFTB.pdf
(19 pages)
- Current page: 4 of 19
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Typical Performance Characteristics
and T
A
= 25˚C, unless specified otherwise.
Efficiency vs Load Current
Efficiency vs Load Current
V
OUT
Line Regulation
= 1.5V, I
V
V
OUT
OUT
= 1.5V
OUT
= 5V
= 500mA
20130337
20130354
20130336
All curves taken at V
4
Oscillator Frequency vs Temperature
Efficiency vs Load Current
V
OUT
IN
= 5V, V
Line Regulation
= 3.3V, I
V
OUT
BOOST
= 3.3V
OUT
= 500mA
- V
SW
= 5V, L1 = 2.2 µH
20130351
20130327
20130355
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