SP6127_07 Datasheet, PDF (1/8 Pages) Sipex Corporation – Evaluation Board Manual

SP6127, 2A
Evaluation Board Manual
Easy Evaluation for the
SP6127EK1 12V Input, 0 to 2A
Output Non-Synchronous Buck
Converter
Precision 0.60V ±1% High
-Accuracy Reference.
Small form factor
Feature Rich: Single supply operation, Over-
current protection with auto-restart, on/off
function, Preset internal soft start, Type-II
internal compensation
SP6127EB SCHEMATIC
C7
0.1uF
1
Vin
2
Gate
Rs=1k
LX
Q1
Si2343DS
L1, IHLP-2525CZ
3.3uH, 30mOhm, 6A
6
SP6127
3
VDR
GND
5
4
VFB
Ds
RZ
MBRA340T3G 2K
CZ
33pF
R1
200k, 1%
R2
100k, 1%
SHDN
D1 1N4148
High=Of f
VIN
C1
4.7uF
12V
GND
VOUT
C4
22uF
1.8V
0-2.0A
GND
Rev 6/27/07
SP6127 Evaluation Manual
Copyright 2007 Sipex Corporation