LT3575EFE#PBF Linear Technology, LT3575EFE#PBF Datasheet - Page 3

• Manufacturer Part Number: LT3575EFE#PBF
• Description: IC FLYBACK CONVERTER 16TSSOP
• Manufacturer: Linear Technology
• Type: Flyback, Isolatedr

Specifications of LT3575EFE#PBF

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: Adj to 60V
• Current - Output: 2.5A
• Frequency - Switching: 1MHz
• Voltage - Input: 3 ~ 40 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: *
• Package / Case: 16-TSSOP Exposed Pad, 16-eTSSOP, 16-HTSSOP
• Voltage - Supply: 3 V ~ 40 V
• Frequency-max: 1MHz
• Pwm Type: Regulator
• Buck: No
• Boost: No
• Flyback: Yes
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: Yes
• Primary Input Voltage: 40V
• No. Of Outputs: 1
• Output Current: 3.5A
• No. Of Pins: 16
• Operating Temperature Range: -40°C To +125°C
• Msl: MSL 1 - Unlimited
• Peak Reflow Compatible (260 C): Yes
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Duty Cycle: -

ELECTRICAL CHARACTERISTICS
PARAMETER
I
Error Amplifi er Voltage Gain
Error Amplifi er 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 LT3575E is guaranteed to meet performance specifi cations
from 0°C to 125°C junction temperature. Specifi cations over the –40°C
TYPICAL PERFORMANCE CHARACTERISTICS
temperature range, otherwise specifi cations are at T
REF
5.20
5.15
5.10
5.05
5.00
4.95
4.90
4.85
4.80
Reference Current
–50
Output Voltage
–25
REF
0
TEMPERATURE (°C)
25
50
75
100
3575 G01
125
CONDITIONS
Measured at R
V
V
R
I
BIAS
IN
I = 10μA, V
C
TC
= 0.35V
= 3V
= 20.1k
= 30mA
8
7
6
5
4
3
2
1
0
–50
A
Quiescent Current
= 25°C. V
IN
–25
FB
= 3V
The
Pin with R
0
TEMPERATURE (°C)
l
V
IN
IN
denotes the specifi cations which apply over the full operating
= 12V, unless otherwise noted.
= 40V WITH BIAS = 20V
V
25
IN
REF
= 5V WITH BIAS = 5V
to 125°C operating junction temperature range are assured by design
characterization and correlation with statistical process controls. The
LT3575I is guaranteed over the full –40°C to 125°C operating junction
temperature range.
Note 3: Current fl ows out of the R
50
= 6.49k
75
100
3575 G02
T
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
190
150
150
40
V
V
3
25
IN
IN
= 12V
= 40V
50
LT3575
MAX
3.1
75
100
3575 G03
μmhos
UNITS
3
3575f
125
kHz
V/V
μA
μA
V