Datasheet

LTC1871-1
34
18711fb
TYPICAL APPLICATIONS
5V to 15V Input, –5V/5A Output Positive-to-Negative Converter with Undervoltage Lockout and Level-Shifted Feedback
RUN
I
TH
FB
FREQ
MODE/SYNC
SENSE
V
IN
INTV
CC
GATE
GND
1
2
3
4
5
10
9
8
7
6
LTC1871-1
R
T
80.6k
1%
R1
154k
1%
R2
68.1k
1%
C1
1nF
C
VCC
4.7µF
10V
X5R
C2
10nF
R4
10k
1%
R5
40.2k
1%
R3
10k
1%
4
3
2
6
1
C
IN
47µF
16V
X5R
M1
C
IN
: TDK C5750X5R1C476M
C
DC
: TDK C5750X7R1E226M
C
OUT
: TDK C5750X5R0J107M
C
VCC
: TAIYO YUDEN LMK316BJ475ML
D1
• •
L1* L2*
R
C
10k
C
C1
10nF
C
C2
330pF
V
IN
5V to 15V
V
OUT
–5V
5A
GND
18711 TA05
C
OUT
100µF
6.3V
X5R
×2
D1: ON SEMICONDUCTOR MBRB2035CT
L1, L2: COILTRONICS VP5-0053 (*3 WINDINGS IN PARALLEL
FOR THE PRIMARY, 3 IN PARALLEL FOR SECONDARY)
M1: INTERNATIONAL RECTIFIER IRF7822
C
DC
22µF
25V
X7R
–
+
LT1783