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TS19378CSRLG Datasheet(PDF) 2 Page - Taiwan Semiconductor Company, Ltd

No. de pieza TS19378CSRLG
Descripción Electrónicos  2A Buck (Step-down) WLED Driver
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Fabricante Electrónico  TSC [Taiwan Semiconductor Company, Ltd]
Página de inicio  http://www.taiwansemi.com
Logo TSC - Taiwan Semiconductor Company, Ltd

TS19378CSRLG Datasheet(HTML) 2 Page - Taiwan Semiconductor Company, Ltd

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TS19378
Taiwan Semiconductor
Document Number: DS_P0000199
2
Version: B15
ABSOLUTE MAXIMUM RATINGS (TA = 25°C unless otherwise specified)
(Note 1)
PARAMETER
SYMBOL
LIMIT
UNIT
VCC Pin Voltage
VCC
VSS - 0.3 to VSS + 45
V
Feedback Pin Voltage
VFB
VSS - 0.3 to 6
V
EN/SS Pin Voltage
VEN/SS
VSS - 0.3 to 6
V
OVP Pin Voltage
VOVP
VSS - 0.3 to VCC
V
COMP Pin Voltage
VCOMP
VSS - 0.3 to 6
V
VGATE Pin Voltage
VGATE
VSS - 0.3 to VCC
V
Switch Pin Voltage
VSW
VSS - 0.3 to VCC + 0.3
V
Power Dissipation
PD
Internally limited
mW
Storage Temperature Range
TST
-65 to +150
°C
Operating Junction Temperature Range
TOJP
-40 to +125
°C
Operating Supply Voltage
VOP
8 to 40
V
Output Voltage
VOUT
38
V
THERMAL PERFORMANCE
(Note 2)
PARAMETER
SYMBOL
LIMIT
UNIT
Thermal Resistance from Junction to Case
RӨJC
15
oC/W
Thermal Resistance from Junction to Ambient
RӨJA
40
oC/W
ELECTRICAL SPECIFICATIONS (TA = 25°C unless otherwise specified)
PARAMETER
SYMBOL
CONDITION
MIN
TYP
MAX
UNIT
Feedback Voltage
VFB
IOUT=0.2A
0.19
0.20
0.21
V
Quiescent Current
ICCQ
VFB=0.5V force driver off
--
3
6
mA
Feedback Bias Current
IFB
IOUT=0.1A
--
0.1
0.5
μA
Shutdown Supply Current
ISD
VEN =0V
--
150
300
μA
Switch Current Limit
ISWLIMIT
2.5
--
--
A
Oscillation Frequency
fOSC
240
300
360
kHz
Short Frequency
fOSC
--
50
--
kHz
EN/SS Pin Shutdown Logic
input threshold voltage
VSL
Low (regulator OFF)
--
--
0.8
V
EN/SS Pin Input Current
IEN/SS
VEN=0V
--
5
--
μA
Internal MOSFET RDSON
RDSON
VCC=5V, VFB=0V
--
130
180
OVP Sense Voltage
VOVP
0.833
0.850
0.867
V
Thermal shutdown Temp
TSD
--
150
--
°C
Thermal shutdown Hysteresis
TSH
--
40
--
°C
Note:
1.
Stresses listed as the above “Absolute Maximum Ratings” may cause permanent damage to the device. These are for
stress ratings. Functional operation of the device at these or any other conditions beyond those indicated in the operational
sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may
remain possibility to affect device reliability.
2.
RӨJA is measured with the PCB copper area(need connect to Exposed Pad) of approximately 1.5 in
2(Multi-layer).


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