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TS1916 Datasheet(PDF) 2 Page - Taiwan Semiconductor Company, Ltd

Part # TS1916
Description  1.7A Boost WLED Driver
PDF  10 Pages
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Manufacturer  TSC [Taiwan Semiconductor Company, Ltd]
Direct Link  http://www.taiwansemi.com
Logo TSC - Taiwan Semiconductor Company, Ltd

TS1916 Datasheet(HTML) 2 Page - Taiwan Semiconductor Company, Ltd

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TS1916
1.7A Boost WLED Driver
2/10
Version: A14
Electrical Specifications (TA=25
oC, V
IN=5V, IOUT=20mA unless otherwise noted)
Characteristics
Symbol
Conditions
Min
Typ
Max
Units
Input Voltage Range
VCC
2.5
--
5.5
V
Step-Up Voltage Range
VOUT
3
--
40
V
OVP Sense Voltage
VOVP
--
38
--
V
Under Voltage Lockout
UVLO
Rising
--
2.2
2.4
V
UVLO Hysteresis
--
100
--
mV
Feedback Voltage
VFB
190
200
210
mV
EN Threshold
Logic-High Voltage
VIH
2.0
--
--
V
Logic-Low Voltage
VIL
--
--
0.4
V
EN Hysteresis
--
200
--
mV
Operating Quiescent Current
ICCQ
IOUT= 0mA, VFB =0.5V
--
300
500
μA
Shutdown Current
ISD
VEN=0V, tEN > 20ms
--
1
10
μA
N-Channel MOSFET Current Limit
(Note)
ILIM
Duty=50%
--
1.7
--
A
MOSFET On-Resistance
(Note)
RDS(on)
--
0.6
1.0
Ω
Maximum Duty Cycle
DMAX
--
88
--
%
Line Regulation
VCC = 3V to 5V
--
1
--
%
Switching Frequency
fOSC
0.75
1
1.25
MHz
Dimming Clock Rate
fDIM
0.2
--
200
kHz
FB Input Leakage Current
IFB-LKG
VFB = 0.5V
--
0.01
100
nA
SW Leakage Current
ISWL
VLX = 30V, VFB =0.5V
--
--
1
µA
EN Input Leakage Current
IEN-LKG1
VEN= VCC
--
1.5
3
μA
IEN-LKG2
VEN= GND
--
--
1
μA
Shutdown Delay
tSHDN
--
10
--
ms
Thermal Shutdown
TSD
--
160
--
°C
Thermal Shutdown Hysteresis
TSH
--
30
--
Note: Guaranteed by design



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