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LT1246 Datasheet(PDF) 4 Page - Linear Technology

Part # LT1246
Description  1MHz Off-Line Current Mode PWM and DC/DC Converter
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT1246 Datasheet(HTML) 4 Page - Linear Technology

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LT1246/LT1247
4
CC
HARA TERISTICS
A
TYPICALPERFOR
CE
LT1246 Undervoltage Lockout
LT1247 Undervoltage Lockout
Start-Up Current
Oscillator Sink Current
Reference Short-Circuit Current
Reference Voltage
TEMPERATURE (
°C)
–50
9
10
11
16
17
–25
25
75
125
LT1246 • TPC01
0
50
100
MINIMUM OPERATING VOLTAGE
START-UP THRESHOLD
15
TEMPERATURE (
°C)
–50
6
7
8
9
10
11
–25
25
75
125
1247 TPC02
0
50
100
MINIMUM OPERATING VOLTAGE
START-UP THRESHOLD
TEMPERATURE (°C)
–50
0
40
80
120
160
200
–25
25
75
125
LT1246 • TPC03
0
50
100
180
140
100
60
20
TEMPERATURE (
°C)
–50
–10
–6
–2
2
6
10
–25
25
75
125
LT1246 • TPC06
0
50
100
–8
–4
0
4
8
VCC = 15V
Start-Up Current
Supply Current
Oscillator Frequency
TEMPERATURE (
°C)
–50
10
11
12
13
14
15
–25
25
75
125
LT1246 • TPC05
0
50
100
VCC = 15V
RT = 10k
CT = 3300pF
VCC (V)
0
0
50
100
150
200
2
8
12
18
1246/7 TPC04
410
14
6
16
LT1246
LT1247
TJ = 25°C
START-UP
THRESHOLD
TEMPERATURE (
°C)
–50
7.7
8.7
–25
25
75
125
LT1246 • TPC07
0
50
100
7.8
8.0
8.2
8.4
8.6
8.5
7.9
8.1
8.3
VPIN 4 = 2V
TEMPERATURE (
°C)
–50
20
140
–25
25
75
125
LT1246 • TPC08
0
50
100
40
80
100
120
60
TEMPERATURE (
°C)
–50
4.95
5.05
–25
25
75
125
LT1246 • TPC09
0
50
100
4.96
5.00
5.01
4.97
4.98
4.99
5.02
5.03
5.04
IO = 1mA


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