LND3844B 데이터 시트보기 (PDF) - Linear Dimensions Semiconductor
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LND3844B Datasheet PDF : 10 Pages
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LND3842/43/44/45
ABSOLUTE MAXIMUM RATINGS
Characteristic
Supply voltage (low impedance source)
Output Current
Input Voltage (Analog Inputs pins 2,3)
Error Amp Output Sink Current
Power Dissipation (TA =25°C)
Storage Temperature Range
Lead Temperature ( soldering 5 sec.)
Symbol
Vcc
IO
VI
ISINK(E.A)
PO
Tstg
TL
Value
30
±1
-0.3 to 5.5
10
1
-65 to 150
260
Units
V
A
V
mA
W
°C
°C
BLOCK DIAGRAM
8 VREF
5V VREF
SET/
RESET
UVLO
2 VFB
INTERNAL
BIAS
1/2 VREF
+
ERR
- AMP
COMP
1
CURRENT
SENSE
3
4 RT / CT
VREF LOGIC
2R
R
1V
OSCILLATOR
C.S.
COMP
R
PWM
LATCH
S
T
36V
VCC 7
GND
5
POWER VREF
7
OUT
6
5
POWER GND
• Linear Dimensions, Inc. • 445 East Ohio Street, Chicago IL 60611 USA • tel 312.321.1810 • fax 312.321.1830 • www.lineardimensions.com •
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