LTC1871EMS#TRPBF Linear Technology, LTC1871EMS#TRPBF Datasheet - Page 34

• Manufacturer Part Number: LTC1871EMS#TRPBF
• Description: IC CONTRLR CURRENT MODE 10-MSOP
• Manufacturer: Linear Technology
• Type: Step-Up (Boost), Flyback, Sepicr

Specifications of LTC1871EMS#TRPBF

• Internal Switch(s): No
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 1.23 ~ 72 V
• Current - Output: 50mA
• Frequency - Switching: 50kHz ~ 1MHz
• Voltage - Input: 2.5 ~ 36 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 10-MSOP, Micro10™, 10-uMAX, 10-uSOP
• Number Of Pwm Outputs: 1
• On/off Pin: No
• Adjustable Output: No
• Topology: Boost/Buck/Flyback
• Switching Freq: 50 TO 1000kHz
• Duty Cycle: 97%
• Operating Supply Voltage (max): 36V
• Synchronous Pin: Yes
• Rise Time: 17ns
• Fall Time: 8ns
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 10
• Package Type: MSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Lead Free Status / Rohs Status: Compliant

LTC1871
TYPICAL APPLICATIONS
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
: TDK C5750X5R0J107M
R
10k
C
C
10nF
C1
154k
1%
R1
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
4.7μF
10V
X5R
VCC
LT1783
6
2
–
+
C
47μF
16V
X5R
IN
4
3
L1*
•
M1
22μF
X7R
C
25V
DC
C2
10nF
40.2k
•
1%
R5
L2*
D1
C
100μF
6.3V
X5R
×2
1871 TA05
GND
OUT
V
5V to 15V
V
–5V
5A
IN
OUT
1871fe