LT1317 LINER [Linear Technology], LT1317 Datasheet - Page 4
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LT1317
Manufacturer Part Number
LT1317
Description
Micropower, 600kHz PWM DC/DC Converters
Manufacturer
LINER [Linear Technology]
Datasheet
1.LT1317.pdf
(16 pages)
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LT1317/LT1317B
TYPICAL PERFOR A CE CHARACTERISTICS
4
1200
1000
1.25
1.24
1.23
1.22
1.21
1.20
700
650
600
550
500
800
600
400
200
–50
0
Switch Current Limit
0
Feedback Voltage
Oscillator Frequency
MINIMUM (25 C)
–25
2
20
25 C
TEMPERATURE ( C)
DUTY CYCLE (%)
0
4
INPUT VOLTAGE
40
TYPICAL
25
6
60
50
–40 C
8
85 C
W
80
75
10
1317 TPC01
1317 TPC04
1317 TPC07
U
100
12
100
800
600
400
200
203
202
201
200
199
198
197
196
195
0
6
5
4
3
2
1
0
–50
–50
0
Burst Mode Current Limit (LT1317)
LBI Input Bias Current
LBI Reference Voltage
V
L = 10 H
IN
–25
–25
= 2V
20
TEMPERATURE ( C)
TEMPERATURE ( C)
DUTY CYCLE (%)
0
0
40
25
25
60
50
50
80
75
75
1317 TPC05
1317 TPC02
1317 TPC08
100
100
100
1000
900
800
700
600
500
700
600
500
400
300
200
100
110
100
90
80
70
60
50
40
30
0
–50
–50
0
Switch Voltage Drop (V
Quiescent Current, SHDN = 2V
Switch Current Limit,
Duty Cycle = 30%
–25
–25
0.2
SWITCH CURRENT (A)
TEMPERATURE ( C)
TEMPERATURE ( C)
0
0
0.4
25
25
0.6
50
50
CESAT
0.8
75
75
)
85 C
25 C
–40 C
1317 TPC03
1317 TPC06
1317 TPC09
100
100
1