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LT1370HV 数据表(PDF) 6 Page - Linear Technology

部件名 LT1370HV
功能描述  Available in MiniDiP, TO-220, and TO-3 Packages
PDF  16 Pages
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制造商  LINER [Linear Technology]
网页  http://www.linear.com
标志 LINER - Linear Technology

LT1370HV 数据表(HTML) 6 Page - Linear Technology

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6
LT1072
1072fc
Transconductance of Error
Amplifier
VC Pin Characteristics
Switch “Off” Characteristics
FREQUENCY (Hz)
1000
3000
4000
6000
7000
1k
100k
1M
10M
LT1072 • TPC19
–1000
10k
5000
2000
0
150
90
60
0
–30
210
30
120
180
Gm
θ
VC PIN VOLTAGE (V)
0
–400
–300
–200
–100
300
100
0.5
1.0
200
0
1.5
2.0
2.5
LT1072 • TPC20
VFB = 1.5V (CURRENT INTO VC PIN)
VFB = 0.8V (CURRENT OUT OF VC PIN)
TJ = 25°C
SWITCH VOLTAGE (V)
0
600
800
1000
80
LT1072 • TPC21
400
200
500
700
900
300
100
0
20
10
40
30
60 70
90
50
100
VSUPPLY = 55V
VSUPPLY = 40V
VSUPPLY = 15V
VSUPPLY = 3V
2.3V
REG
40kHz
OSC
FB
VC
SHUTDOWN
CIRCUIT
0.15V
0.16Ω
GAIN
≈ 6
GND
MODE
SELECT
LOGIC
COMP
VIN
FLYBACK
ERROR
AMP
DRIVER
ANTI-
SAT
SWITCH
OUT
16V
–
+
0.16Ω
E1*
* ALWAYS CONNECT E1 TO GROUND PIN ON MINIDIP AND SURFACE MOUNT
PACKAGES. EMITTERS TIED TO GROUND ON TO-3 AND TO-220 PACKAGES
E2
1.24V
REF
ERROR
AMP
CURRENT
AMP
LT1072 • BD01
TYPICAL PERFOR A CE CHARACTERISTICS
BLOCK DIAGRA



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