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LT1913 Datasheet(PDF) 5 Page - Linear Technology

Part # LT1913
Description  25V, 3.5A, 2.4MHz Step-Down Switching Regulator
PDF  24 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT1913 Datasheet(HTML) 5 Page - Linear Technology

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LT1913
5
1913f
TEMPERATURE (°C)
800
1913 G12
760
840
780
820
–50
25
–25
0
50
75
100
150
125
Feedback Voltage
TEMPERATURE (°C)
1.00
1.10
1913 G13
0.90
0.80
1.20
0.95
1.05
0.85
1.15
–50
25
–25
0
50
75
100
150
125
RT = 34.0k
Switching Frequency
FB PIN VOLTAGE (mV)
0
800
1000
1200
600
1913 G14
600
400
200
400
800
500
100
300
700
900
200
0
RT = 34.0k
Frequency Foldback
TEMPERATURE (°C)
80
100
120
1913 G15
60
40
20
0
140
–50
25
–25
0
50
75
100
150
125
Minimum Switch On-Time
RUN/SS PIN VOLTAGE (V)
0
1.5
1913 G16
4
2
0.5
1
2
1
0
7
6
5
3
2.5
3
3.5
Soft-Start
RUN/SS PIN VOLTAGE (V)
0
8
10
12
15
25
1913 G17
6
4
510
20
2
0
RUN/SS Pin Current
BOOST DIODE CURRENT (A)
0
0.8
1.0
1.2
2.0
1913 G18
0.6
0.4
0
0.5
1.0
1.5
0.2
1.4
Boost Diode
TYPICAL PERFOR A CE CHARACTERISTICS T
A = 25°C unless otherwise noted.
FB PIN ERROR VOLTAGE (mV)
–200
–50
–20
0
20
0200
50
1913 G19
–40
–100
100
40
10
–10
30
–30
Error Amp Output Current
LOAD CURRENT (mA)
1
3.0
3.5
10000
1913 G20
2.5
2.0
10
100
1000
5.0
4.5
4.0
VOUT = 3.3V
TA = 25°C
L = 4.7μH
f = 600kHz
Minimum Input Voltage



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