DC611A - Schematic

5
4
3
2
1
U1
LTC3252EDE
OUT2
4
C1
1.0uF
D
6
C2+
8
C2-
3
E3
OUT1
4.7uF
C3
0.47uF
11
EN2
2
EN1
EN2
5
1.5V
GND
E2
RA1
475K
1%
IN
FB1
CIN
10uF
C5
1uF
12
D
COUT2
VOUT1
VIN
* Vmin to 5.5V
FB2
RA2
261K
1%
RB2
511K
1%
10
C2
1.0uF
C
C1+
C1-
VOUT2
1.2V
E1 * Iout2
9
1
COUT1
4.7uF
* Iout1
C4
0.47uF
C
RB1
536K
1%
7
E6
Vout2
Enable
GND
E4
*
A
Vmin
*
Iout1
*
JP1
ON
OFF
2
3
B
JP2
ON
OFF
Vout1
Enable
REN2
10M
3
E7
GND
1
1
EN1
E5
2
REN1
B
10M
CONTRACT NO.
Iout2
3.5V
250mA
250mA
3.2V
100mA
250mA
DRAWN
3.1V
50MA
250mA
CHECKED
APPROVED
2.9V
----
250mA
2.7V
----
150mA
APPROVALS
ENGINEER
DATE
June Wu
9/25/02
TECHNOLOGY
TITLE
LTC3252EDE, Dual, Spread-Spectrum, Low Noise, Inductorless,
Bill Walter
9/25/02
SIZE CAGE CODE
DESIGNER
DWG NO
REV
A
DC611A
Thursday, February 20, 2003
4
A
Step Down DC/DC Converter
VOUT1 in dropout below 3V
5
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900
Fax: (408)434-0507
3
SCALE:
FILENAME:
2
SHEET
OF
1
1
1
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