LR745 データシートの表示（PDF） - Supertex Inc
部品番号
コンポーネント説明
メーカー
LR745 Datasheet PDF : 5 Pages
| |||
Electrical Characteristics
Test conditions unless otherwise specified: TA = 25°C; VIN = 450V
Symbol
Parameter
Min Typ Max
VOUT
IOUT
VIN
IINQ
VOFF
VRESET
IOFF
VAUX
IAUX
Output Voltage
VOUT over Temperature
Output Current Limiting
Operating Input Voltage Range
Input Quiescent Current
Output Turn OFF Voltage
VOFF Over Temperature
Output Reset Voltage
VRESET Over Temperature
VIN Off-State Leakage Current
External Voltage Applied to VOUT
Input Current to VOUT
18.8
24
18.5
24.3
2
3
4
25
450
500
12.6 13.25 13.9
12.3 13.25 14.2
6.3
7
7.7
6
7
8
75
22
500
LR745
Unit
V
V
mA
V
µA
V
V
V
V
µA
V
µA
Conditions
IOUT = 0
IOUT = 0, TA = -40°C to +85°C
VIN = 400V, IOUT = 0
TA = -40°C to +85°C
TA = -40°C to +85°C
VIN = 400V
VAUX = 22V
Block Diagram
VIN
GND
R4
23V
Vz
M2
VREF
Reset comp1
QR D
Clk
VOUT
Clock
comp2
M1
2 to 4 mA
VOUT
R1
R2
R3
2
Share Link: 