LTC1871IMS-7#TRPBF Linear Technology, LTC1871IMS-7#TRPBF Datasheet - Page 30

• Manufacturer Part Number: LTC1871IMS-7#TRPBF
• Description: IC CONTRLR CURRENT MODE 10-MSOP
• Manufacturer: Linear Technology
• Type: Step-Up (Boost), Flyback, Sepicr

Specifications of LTC1871IMS-7#TRPBF

• Internal Switch(s): No
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 1.23 ~ 36 V
• Current - Output: 50mA
• Frequency - Switching: 50kHz ~ 1MHz
• Voltage - Input: 6 ~ 36 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 10-MSOP, Micro10™, 10-uMAX, 10-uSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -

LTC1871-7
TYPICAL APPLICATIONS
30
SYNC SIGNAL
18V TO 33V
0V TO 2.5V
320kHz
V
IN
R11
12.5k
R5
150k
DIMMING
0V TO 5V
INPUT
INPUT
GND
RUN
C6
1μF
35V
V
IN
C14
1nF
+
+
17.8k
C5
22μF
50V
R13
R12
80k
R1
33k
R8
187k
1%
33k
R7
C5
47μF
20V
×2
10μH
L1
1
2
3
4
5
C17
1μF
D4
BAT54
Dual Output Cell Phone Base Station Flyback Converter
R6
1M
1%
RUN
I
FB
FREQ
MODE/SYNC
100nF
0.20Ω
TH
0.5W
300k
R10
R15
C8
1.2A Automotive LED Headlamp Boost Converter
LTC1871-7
R14
1k
C5: SANYO OS-CON 20SP47M
C7: ITW PAKTRON 106K100CS4
L1: MAGNETICS INC 58206-A2 WITH 29T 18AWG
INTV
SENSE
1
2
3
4
5
GATE
GND
C7
3.3μF
50V
V
RUN
I
FB
FREQ
MODE/SYNC
CC
TH
IN
10
9
8
7
6
LTC1871-7
4.7M
R7
100pF
200V
D2
10V
75Ω
C8
INTV
SENSE
R4
GATE
C15
4.7μF
GND
V
4.7μF
CC
IN
C10
10
9
8
7
6
12
11
10
VP4-0047
1
2
3
4
9
Q1
Si4482DY
10nF 1kV
R13
0.082Ω
C16
T1
7
6
8
5
C9
4.7μF
X5R
1A 40V
ISO1
MOC207
L1
D1
UPS840
1Ω
R6
100μF
D3
C11
R12
4.02k
1nF
C9
R14
1k
IRF12CW10
C3
100μF
Q3
SILICONIX
SUP75N08-9L
R11
0.006Ω
D3
SHDN IN GND
D6 5V
1
2
3
4
C3, C11: TDK C3225X5R0J107M
C4: SANYO POSCAP 10 TPB33M
C7: TDK C4532X7R1H335M
C13, C13A: SANYO POSCAP 4TPB470M
L1: COILCRAFT DO1608 103
T1: COILTRONICS VP4-0047
1
33k
COL
COMP
V
R
R9
+
TOP
C7
10μF
100V
330nF
LT1431
2
18717 TA01
LT1963
C10
GND
GNDS
GNDF
3
R
TAB
R9
1k
REF
MID
15nF
D4
33V
D5
33V
OUT ADJ
C12
4
R3
43.2k
TO
LEDS
FROM
LEDS
8
7
6
5
USE 68V
OR 75V
SINGLE
ZENER
5
R8
20.5k
R10
64.9k
R2
12.5k
+
C4
33μF
470μF
18717 TA03
C13A
C13
470μF
5.5V
500mA
3.3V
2A
+
18717fc