DC1434A - Schematic

A
B
C
D
E
REVISION HISTORY
ECO
REV
-
1
APPROVED
DESCRIPTION
PRODUCTION
DATE
04/14/10
MOLLY Z.
4
4
VBIAS
VO2
HIGH
LOW
POWER
1
ON
2
3
JP5
R1
49.9K
1%
U1
LT3071EUFD
28
EN
1
3
3
LOW
4
FLOAT
4
FLOAT
JP2
JP3
27
VBIAS
25
VO2
24
VO1
VIOC
23
E9
VO0
IMON
2
PWRGD
MARGA
REF/BYP
SENSE
E4
22
MARGA
0V - 1.2V
C3
C6
1000pF
3
0.01uF
5
6
VIN
7
E5
8
CIN1
+
220uF
10V
(Opt)
CIN2
47uF
10V
1206
IN
OUT
IN
OUT
IN
OUT
IN
OUT
19
18
17
16
15
GND GND GND GND GND GND GND GND GND GND
4
GND
9
2V @ 5A
FULL SCALE
R2
21
1K
E3
E6
HIGH
3
PWRGD
VIN
1.1V - 3V
2
LOW
2.2uF
VIOC
2
HIGH
3
OFF
E2
2
VBIAS
C1
*
1
VO0
2
JP1
E1
VBIAS
VO1
1
4
SEE QUICK START GUIDE
FOR VBIAS RANGE
VBIAS
1
3
FLOAT
*
VBIAS
10 11 12 13 14 20 26 29
E7
C7
4.7uF
10V
0805
C4
10uF
10V
0805
C8
2.2uF
10V
0805
2
VOUT
0.8 - 1.8V @ 5A
C5
10uF
10V
0805
E8
GND
CUSTOMER NOTICE
APPROVALS
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A
CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;
HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO PCB DES.
VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL
APP ENG.
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
1
MOLLY Z.
C:\PADS PROJECTS\1434A\SCH\1434A_REV1.DSN
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
A
B
C
TECHNOLOGY
RB
1
LTC CONFIDENTIAL - FOR CUSTOMER USE ONLY
TITLE: SCHEMATIC
5A PROGRAMMABLE 85mV DROPOUT REGULATOR
SIZE
N/A
SCALE = NONE
1630 McCarthy Blvd.
Milpitas, CA 95035 www.linear.com
Phone: (408)432-1900
Fax: (408)434-0507
DATE:
D
IC NO.
REV.
LT3071EUFD
DEMO CIRCUIT 1434A
Tuesday, August 10, 2010
1
SHEET
E
1
OF
1
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