User Manual

MP2307 – 3A, 23V, 340KHz SYNCHRONOUS RECTIFIED STEP-DOWN CONVERTER
MP2307 Rev. 1.9 www.MonolithicPower.com 4
5/28/2008 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2008 MPS. All Rights Reserved.
TYPICAL PERFORMANCE CHARACTERISTICS
C1 = 2 x 10µF, C2 = 2 x 22µF, L= 10µH, C
SS
= 0.1µF, T
A
= +25°C, unless otherwise noted.
V
IN
20mV/div.
V
OUT
20mV/div.
V
SW
10V/div.
I
L
1A/div.
MP2307-TPC01
Steady State Test
Waveforms
V
IN
= 12V, V
OUT
= 3.3V, I
OUT
= 0A
V
IN
200mV/div.
V
OUT
20MV/div.
V
SW
V/div.
I
L
2A/div.
MP2307-TPC02
Steady State Test
Waveforms
V
IN
= 12V, V
OUT
= 3.3V, I
OUT
= 3A
V
EN
5V/div.
V
OUT
2V/div.
V
SW
10V/div.
I
L
1A/div.
2ms/div.
MP2307-TPC03
Startup through
Enable Waveforms
V
IN
= 12V, V
OUT
= 3.3V, No Load
V
EN
5V/div.
V
OUT
2V/div.
V
SW
10V/div.
I
L
2A/div.
2ms/div.
MP2307-TP04
Startup Through
Enable Waveforms
V
IN
= 12V, V
OUT
= 3.3V,
I
OUT
= 3A (Resistance Load)
V
EN
5V/div.
V
OUT
2V/div.
V
SW
10V/div.
I
L
1A/div.
2ms/div.
MP2307-TPC05
Shutdown Through
Enable Waveforms
V
IN
= 12V, V
OUT
= 3.3V, No Load
V
OUT
2V/div.
V
SW
10V/div.
V
EN
5V/div.
I
L
2A/div.
MP2307-TPC06
Shutdown Through
Enable Waveforms
V
IN
= 12V, V
OUT
= 3.3V,
I
OUT
= 3A (Resistance Load)
V
OUT
200mV/div.
I
L
1A/div.
I
LOAD
1A/div.
MP2307 -TPC07
Load Transient Test
Waveforms
V
IN
= 12V, V
OUT
= 3.3V,
I
OUT
= 1A to 2A step
V
OUT
2V/div.
I
L
2A/div.
MP2307-TPC08
Short Circuit Test
Waveforms
V
IN
= 12V, V
OUT
= 3.3V
V
OUT
2V/div.
I
L
2A/div.
MP2307-TPC09
Short Circuit Recovery
Waveforms
V
IN
= 12V, V
OUT
= 3.3V