GM19371 Ver la hoja de datos (PDF) - Gamma Microelectronics Inc.
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GM19371 Datasheet PDF : 10 Pages
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GM19371
BOOST WHITE LED DRIVER
WITH OVP
Absolute Maximum Ratings (Note 1)
PARAMETER
SYMBOL
RATINGS
Input Voltage
VIN
20
SW Voltage
VSW
36
FB Voltage
VFB
10
/SHDN Voltage
VCTRL
10
Junction Temperature
TJ
-40 to 125
Storage Temperature
Tstg
- 65 to 150
Lead Temperature (soldering, 5 sec)
260
.Note 1: Stresses greater than those listed under Maximum Ratings may cause permanent damage to the device.
Recommended Operating Conditions
Rating
Maximum Supply Voltage
Output Voltage
Operating Temperature Range
Symbol
VIN
VOUT
TOPR
Value
2.5 to 18
28
0 to 70
UNITS
V
V
V
V
°C
°C
°C
Unit
V
V
°C
Electrical Characteristics (VIN = 5V, V/SHDN = 5V, TA = 25˚C, unless otherwise noted)
Parameter
Symbol
Condition
Min Typ Max Unit
Operating Voltage Range
Feedback Voltage
FB Pin Bias Current
Supply Current
Standby Current
Switching Frequency
Maximum Duty Cycle
Switch Current Limit
Switch VCESAT
Switch Leakage Current
CTRL Voltage High
CTRL Voltage Low
CTRL Pin Bias Current
OVP Threshold
VIN
VFB
IFB
ICC
ISTBY
fOSC
DMAX
ICL
VSAT
ILEAK
VTH
VTL
ICTRL
ILOAD = 180mA
VIN = VOUT + 1V to 16V
V/SHDN = 0V
ISW = 250mA
VSW = 5V
2.5
18
V
80
95
107 mV
10
45
100 nA
2.1
3.0 mA
0.1
1.0 μA
1.1
1.3
1.6 MHz
85
90
%
650
mA
350
mV
0.01
5
μA
1.5
V
0.4
V
65
μA
29
V
3
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