Datasheet

V
OUT
= 1.2V
V
OUT
= 1.5V
V
OUT
= 2.5V
L=SPM6530T-1R0M120
V
OUT
= 1.2V
V
OUT
= 1.5V
V
OUT
= 2.5V
V
OUT
= 3.3V
L=SPM6530T-1R0M120
LM20146
www.ti.com SNVS563C –FEBRUARY 2008–REVISED APRIL 2013
Typical Performance Characteristics
Unless otherwise specified: C
IN
= C
OUT
= 100µF, L = 1.0µH (TDK SPM6530T-1R0M120), V
IN
= 5V, V
OUT
= 1.2V, R
LOAD
=
1.2Ω, f
SW
= 500 kHz, T
A
= 25°C for efficiency curves, loop gain plots and waveforms, and T
J
= 25°C for all others.
Efficiency Efficiency
vs. vs.
Load Current (V
IN
= 5V) Load Current (V
IN
= 3.3V)
Figure 2. Figure 3.
High-Side FET Resistance Low-Side FET Resistance
vs. vs.
Temperature (T
J
) Temperature (T
J
)
Figure 4. Figure 5.
Error Amplifier Gain
vs.
Frequency Line Regulation
Figure 6. Figure 7.
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