LT3574IMS#PBF Linear Technology, LT3574IMS#PBF Datasheet - Page 3
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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
electrical characteristics
PARAMETER
Error Amplifier Transconductance
Minimum Switching Frequency
TC Current into R
BIAS Pin Voltage
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: The LT3574E is guaranteed to meet performance specifications
from 0°C to 125°C junction temperature. Specifications over the –40°C
typical perForMance characteristics
temperature range, otherwise specifications are at T
5.20
5.15
5.10
5.05
5.00
4.95
4.90
4.85
4.80
–50
Output Voltage
–25
REF
0
TEMPERATURE (°C)
25
50
75
100
3574 G01
125
CONDITIONS
DI = 10µA, V
V
R
I
BIAS
C
TC
= 0.35V
= 20.1k
6
5
0
4
3
2
1
–50
= 30mA
A
Quiescent Current
= 25°C. V
–25
IN
The
= 3V
0
TEMPERATURE (°C)
l
BIAS = 20V
IN
BIAS = 5V
V
V
IN
IN
denotes the specifications which apply over the full operating
= 12V, unless otherwise noted.
25
= 40V
= 5V
to 125°C operating junction temperature range are assured by design
characterization and correlation with statistical process controls. The
LT3574I is guaranteed over the full –40°C to 125°C operating junction
temperature range.
Note 3: Current flows out of the R
50
75
100
T
3574 G02
A
= 25°C, unless otherwise noted.
125
3.2
3.0
2.8
2.6
2.4
2.2
2.0
–50
Bias Pin Voltage
REF
MIN
2.9
–25
pin.
0
TEMPERATURE (°C)
27.5
TYP
150
40
3
V
V
25
IN
IN
= 12V
= 40V
50
MAX
LT3574
3.1
75
100
3574 G03
µmhos
UNITS
3574f
125
kHz
µA
V