LT3439EFE#PBF Linear Technology, LT3439EFE#PBF Datasheet - Page 3
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LT3439EFE#PBF
Manufacturer Part Number
LT3439EFE#PBF
Description
IC PUSH-PULL CNTRLR SYNC 16TSSOP
Manufacturer
Linear Technology
Type
Push-Pull Controllerr
Datasheet
1.LT3439EFEPBF.pdf
(12 pages)
Specifications of LT3439EFE#PBF
Internal Switch(s)
Yes
Synchronous Rectifier
No
Number Of Outputs
1
Current - Output
1A
Frequency - Switching
20kHz ~ 250kHz
Voltage - Input
2.8 ~ 17.5 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
16-TSSOP Exposed Pad, 16-eTSSOP, 16-HTSSOP
Primary Input Voltage
17.5V
No. Of Outputs
1
Output Voltage
35V
Output Current
1A
No. Of Pins
16
Operating Temperature Range
-40°C To +125°C
Msl
MSL 1 - Unlimited
Rohs Compliant
Yes
Pin Count
16
Input Voltage
17.5V
Switching Freq
20 to 250KHz
Package Type
TSSOP EP
Output Type
Adjustable
Switching Regulator
Yes
Mounting
Surface Mount
Input Voltage (min)
2.8V
Operating Temp Range
-40C to 125C
Operating Temperature Classification
Automotive
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Voltage - Output
-
Power - Output
-
Lead Free Status / Rohs Status
Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
TYPICAL PERFOR A CE CHARACTERISTICS
2.750
2.700
2.650
2.600
2.550
2.500
2.450
2.400
2.350
2.300
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0
–50
–50
0.1 0.2 0.3
Minimum Input Voltage
vs Temperature
Switch Voltage Drop
vs Switch Current
Current Limit vs Temperature
–25
–25
0
0
SWITCH CURRENT (A)
TEMPERATURE ( C)
TEMPERATURE ( C)
0.4 0.5 0.6
25
25
50
50
75
75
0.7 0.8 0.9
125 C
100
100 125
W
85 C
25 C
125 150
3439 G04
3439 G01
3439 G07
U
150
1.0
1.35
1.34
1.33
1.32
1.31
1.30
1.29
1.28
1.27
20
10
25
15
16
14
12
10
0
8
6
4
2
0
5
–50
–50
0
Supply Current in Shutdown Mode
vs Temperature
Supply Current vs Slew Resistor
SHDN Pin Voltage Threshold
vs Temperature
–25
–25
10000
0
0
17.5V
5V
2.7V
SLEW RESISTOR ( )
TEMPERATURE ( C)
TEMPERATURE ( C)
25
25
20000
50
50
75
75
30000
100
100
T
A
= 25 C
125 150
125 150
3439 G05
3439 G02
3439 G08
40000
120
115
110
105
100
1.3
1.0
1.6
1.5
1.4
1.2
1.1
10
24
22
18
16
14
20
12
95
90
85
80
–50
–50
–50
SYNC Pin Voltage Threshold
vs Temperature
Oscillator Frequency
vs Temperature
SHDN Pin Hysteresis Current
vs Temperature
R
C
T
T
–25
–25
= 680pF
–25
= 16.9k
0
0
0
TEMPERATURE ( C)
TEMPERATURE ( C)
TEMPERATURE ( C)
25
25
25
50
50
50
75
75
75
LT3439
100 125
100
100
sn3439 3439fs
125
125 150
3439 G03
3439 G06
3439 G09
3
150
150