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LT1246CS8 数据表(PDF) 5 Page - Linear Technology

部件名 LT1246CS8
功能描述  1MHz Off-Line Current Mode PWM and DC/DC Converter
PDF  12 Pages
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制造商  LINER [Linear Technology]
网页  http://www.linear.com
标志 LINER - Linear Technology

LT1246CS8 数据表(HTML) 5 Page - Linear Technology

  LT1246CS8 Datasheet HTML 1Page - Linear Technology LT1246CS8 Datasheet HTML 2Page - Linear Technology LT1246CS8 Datasheet HTML 3Page - Linear Technology LT1246CS8 Datasheet HTML 4Page - Linear Technology LT1246CS8 Datasheet HTML 5Page - Linear Technology LT1246CS8 Datasheet HTML 6Page - Linear Technology LT1246CS8 Datasheet HTML 7Page - Linear Technology LT1246CS8 Datasheet HTML 8Page - Linear Technology LT1246CS8 Datasheet HTML 9Page - Linear Technology Next Button
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background image
5
LT1246/LT1247
CC
HARA TERISTICS
A
TYPICALPERFOR
CE
High Level Output
Feedback Pin Input Voltage
Current Sense Clamp Voltage
Saturation Voltage
Low Level Output
Low Level Output Saturation Voltage
Supply Current vs
Saturation Voltage
During Undervoltage Lockout
Oscillator Frequency
OUTPUT SOURCE CURRENT (mA)
0
0
4.0
200
LT1246 • TPC12
0.5
2.0
2.5
1.0
1.5
3.0
3.5
TJ = –55°C
TJ = 25°C
TJ = 125°C
100
Error Amplifier Open-Loop Gain
and Phase
Current Sense Input Threshold
TEMPERATURE (
°C)
–50
2.45
2.55
– 25
25
75
125
LT1246 • TPC10
0
50
100
2.46
2.50
2.51
2.47
2.48
2.49
2.52
2.53
2.54
TEMPERATURE (
°C)
–50
0.95
1.05
– 25
25
75
125
LT1246 • TPC11
0
50
100
0.96
1.00
1.01
0.97
0.98
0.99
1.02
1.03
1.04
OSCILLATOR FREQUENCY (Hz)
10k
9
10
13
14
100k
1M
LT1246 • TPC15
12
11
OUTPUT SINK CURRENT (mA)
0
0
4.0
510
LT1246 • TPC14
2.0
0.5
1.0
1.5
2.5
3.0
3.5
TJ = 125°C
TJ = –55°C
TJ = 25°C
OUTPUT SINK CURRENT (mA)
0
0
1.0
100
200
LT1246 • TPC13
TJ = –55°C
TJ = 25°C
TJ = 125°C
0.5
FREQUENCY (Hz)
10
–20
100
10k
10M
LT1246 • TPC16
40
0
20
60
80
100
1k
100k
1M
PHASE
GAIN
180
–45
225
90
0
45
135
ERROR AMP OUTPUT VOLTAGE (V)
0
0
1.2
36
LT1246 • TPC17
0.6
0.2
0.4
0.8
1.0
12
4
5
TJ = –55°C
TJ = 25°C
TJ =125°C



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