LT3574IMS#PBF Linear Technology, LT3574IMS#PBF Datasheet - Page 21

• Manufacturer Part Number: LT3574IMS#PBF
• Description: IC PWM FLYBCK ISO CM 16MSOP
• Manufacturer: Linear Technology
• Type: Flyback, Isolated, PWM - Current Moder

Specifications of LT3574IMS#PBF

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: Adj to 60V
• Current - Output: 650mA
• Frequency - Switching: 40kHz ~ 1MHz
• Voltage - Input: 3 ~ 40 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: *
• Package / Case: 16-MSOP
• Voltage - Supply: 3 V ~ 40 V
• Frequency-max: 1MHz
• Duty Cycle: 52%
• Pwm Type: Current Mode
• Buck: No
• Boost: No
• Flyback: Yes
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

typical applications
12V TO 24V
V
IN
R6
59k
C1
10
µ
F
R5
10k
R1
499k
R2
71.5k
C2
10nF
SHDN/UVLO
TC
R
SS
ILIM
VC
Four Output 12V Isolated Flyback Converter
R7
20k
C3
0.1µF
LT3574
GND
V
IN
TEST
R
BIAS
R
REF
V
SW
FB
IN
T1: COILTRONICS VPH1-0076-R
D1-D4: B240A
D5: PMEG6010
118k
R3
R4
6.04k
C6
0.22
µ
F
R8
2k
D5
43.6
µ
T1
H
2:1:1:1:1
•
•
•
•
•
10.9
10.9
10.9
10.9
µ
µ
µ
µ
D1
D2
D3
D4
H
H
H
H
C5
22
C6
22
C7
22
C8
22
µ
µ
µ
µ
F
F
F
F
V
12V
40mA
V
V
12V
40mA
V
V
12V
40mA
V
V
12V
40mA
V
3574 TA07
OUT1
OUT 1
OUT2
OUT 2
OUT3
OUT 3
OUT4
OUT 4
+
–
+
–
+
–
+
–
LT3574

3574f