LT3574IMS#PBF Linear Technology, LT3574IMS#PBF Datasheet - Page 6
LT3574IMS#PBF
Manufacturer Part Number
LT3574IMS#PBF
Description
IC PWM FLYBCK ISO CM 16MSOP
Manufacturer
Linear Technology
Type
Flyback, Isolated, PWM - Current Moder
Datasheet
1.LT3574EMSPBF.pdf
(24 pages)
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
LT3574
block DiagraM
V
IN
R1
R2
R6
R4
C3
C5
TC
R
BIAS
SHDN/UVLO
SS
REF
CURRENT
TC
C1
Q4
1.22V
Q3
2.5µA
V
+
–
IN
I
20µA
A5
2
Q2
R
REGULATORS
FB
REFERENCE
INTERNAL
AND
1.23V
R3
FLYBACK
ERROR
–
+
AMP
g
m
I
7µA
1
R
ILIM
COMPARATOR
R5
CURRENT
–
+
A1
S
S
MASTER
OSCILLATOR
LATCH
SHOT
ONE
R
Q
DRIVER
120mV
A2
A4
BIAS
V1
–
+
+
–
V
L1A
IN
+
–
Q1
•
N:1
T1
R
0.036
SW
SENSE
•
L1B
D1
GND
3574 BD
V C
C2
V
V
OUT
OUT
R7
C4
+
–
3574f