Datasheet
1.8V
100 Ps/DIV
3.3V
BUCK2 at 100 mV/STEP
20 kHz/DIV
5 dB/DIV
1.92 1.94 1.96 1.98 2.0 2.02 2.04 2.06 2.08 2.1 2.12
11 dB
No Spread Spectrum
With Spread
Spectrum
RBW = 1 kHz
1.8V
100 Ps/DIV
3.3V
BUCK2 at 100 mV/STEP
LM3370
www.ti.com
SNVS406N –NOVEMBER 2005–REVISED MAY 2013
Typical Performance Characteristics (continued)
LM3370, Circuit of Typical Application Circuit, V
IN
= 3.6V, V
OUT1
= 1.5V and V
OUT2
= 2.5V, L = 2.2 µH (NR3015T2R2M), C
IN
=
4.7 µF (0805) and C
OUT
= 10 µF (0805) and T
A
= 25°C, unless otherwise noted.
Spread Spectrum Enabling V
OUT
Stepping
(V
OUT
Signal at 2 MHz) (From 1.8V to 3.3V)
Figure 33. Figure 34.
V
OUT
Stepping
(From 3.3V to 1.8V)
Figure 35.
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