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CN5815 Datasheet(PDF) 4 Page - Shanghai Consonance Electronics Incorporated

Part No. CN5815
Description  4.5V to 32V Input, Constant Current Boost HB LED Driver
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Maker  CONSONANCE [Shanghai Consonance Electronics Incorporated]
Homepage  http://www.consonance-elec.com/
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CN5815 Datasheet(HTML) 4 Page - Shanghai Consonance Electronics Incorporated

 
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CONSONANCE
www.consonance-elec.com
4
REV 1.0
Electrical Characteristics
(VIN = 12V, TA=-40°C to +85°C, Typical values are at TA=+25°C, unless otherwise noted)
Parameters
Symbol
Test Conditions
Min
Typ
Max
Unit
Input Supply Voltage
VIN
4.5
32
V
Input Supply Current
IVIN
VFB=1.3V, VSHDN=0V
700
810
920
A
Shutdown Current
ISD
SHDN=3V, VIN=12V
3.6
5.2
6.8
A
SHDN=3V, VIN=30V
9
13
17
Switching Frequency
fSW
Normal operation
285
330
375
KHz
Maximum Duty Cycle
DMAX
93
Minimum On Time
TMIN
100
ns
Soft-Start Time
TSS
9.5
ms
Over current Threshold
VSW(OC)
Measured at ISW pin
170
180
190
mV
FB Pin
Feedback Voltage
VFB
Normal operation
108
120
132
mV
FB Pin Bias Current
IFB
100
0
100
nA
SHDN Pin
Input Voltage High
VIH
2.3
V
Input Voltage Low
VIL
0.5
V
SHDN Bias Current
ISHDN
100
0
100
nA
OVP Pin
OVP Rising Threshold
VOVPR
OVP pin voltage rises
1.155
1.205
1.255
V
OVP Falling Threshold
VOVPF
OVP pin voltage falls
1.101
1.151
1.201
V
OVP Pin Bias Current
IOVP
100
0
100
nA
DIM Pin
Input Voltage High
VDIMR
DIM pin voltage rises
2.0
V
Input Voltage Low
VDIMF
DIM pin voltage falls
0.6
V
SHDN Bias Current
IDIM
100
0
100
nA
DRV Pin
Source Current
VDRV=4V
0.8
A
Sink Current
VDRV=1V
1.5
A
Fall Fime
tf
CDRV=2nF
22
ns
Rise Time
tr
CDRV=2nF
30
ns
VCC Pin
Output Voltage
VCC
IVCC=0.1mA to 4mA,
VIN=5.5V to 32V
4.7
5.3
V
Load Regulation
IVCC=0.1mA to 4mA,
5
Ohm
Line Regulation
VIN=6V to 32V, IVCC=3mA
6
mV
PSRR
PSRR
IVCC=3mA,fIN=10kHz
-35
dB
Startup Time
tSTART
VCC=0 to 4.5V, COUT=4.7uF
5
mS


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