GM1937 Просмотр технического описания (PDF) - Gamma Microelectronics Inc.
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GM1937 Datasheet PDF : 9 Pages
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GM1937
WHITE LED STEP-UP CONVERTER
Absolute Maximum Ratings
PARAMETER
Input Voltage
SW Voltage
FB Voltage
CE Voltage
Continuous Total Power
Dissipation
SOT-25
Operating Ambient Temperature
Storage Temperature
Lead Temperature (Soldering, 10 sec)
SYMBOL
VIN
PD
TA
Tstg
RATINGS
10
36
10
10
300
- 40 to 85
- 65 to 150
+ 300
UNITS
V
V
V
V
mW
℃
℃
℃
Block Diagram
VIN
FB
5
3
VREF
1.25V
95mV
SW
1
COMPARATOR
DRIVER
R
Q
Q1
RC
S
CC
0.2Ω
CE
4
SHUTDWON
RAMP
GENERATOR
1.2MHz
OSCILATOR
2
GND
Figure 2
3
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