LTC1871 Linear Technology, LTC1871 Datasheet - Page 34

• Manufacturer Part Number: LTC1871
• Description: Wide Input Range/ No RSENSE Current Mode Boost/ Flyback and SEPIC Controller
• Manufacturer: Linear Technology

LTC1871
TYPICAL APPLICATIO S
34
5V to 15V Input, – 5V/5A Output Positive-to-Negative Converter with Undervoltage Lockout and Level-Shifted Feedback
330pF
68.1k
1%
R2
C
C2
1nF
C1
C
C
C
C
IN
DC
OUT
VCC
: TDK C5750X5R1C476M
: TDK C5750X7R1E226M
: TAIYO YUDEN LMK316BJ475ML
R
10k
: TDK C5750X5R0J107M
C
C
10nF
C1
154k
1%
R1
U
R
80.6k
1%
T
1
2
3
4
5
RUN
I
FB
FREQ
MODE/SYNC
TH
LTC1871
INTV
SENSE
GATE
GND
D1:
L1, L2: COILTRONICS VP5-0053 (*3 WINDINGS IN PARALLEL
M1:
10k
1%
R3
V
CC
IN
10
9
8
7
6
ON SEMICONDUCTOR MBRB2035CT
FOR THE PRIMARY, 3 IN PARALLEL FOR SECONDARY)
INTERNATIONAL RECTIFIER IRF7822
10k
1%
R4
1
C
4.7 F
10V
X5R
VCC
LT1783
6
2
–
+
C
47 F
16V
X5R
IN
4
3
L1*
•
M1
22 F
X7R
C
25V
DC
C2
10nF
40.2k
•
1%
R5
L2*
D1
C
100 F
6.3V
X5R
1871 TA05
OUT
2
V
5V to 15V
V
–5V
5A
GND
IN
OUT