LT3574IMS#PBF Linear Technology, LT3574IMS#PBF Datasheet - Page 3

• 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

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