TS19372 Ver la hoja de datos (PDF) - TSC Corporation
Número de pieza
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Fabricante
TS19372 Datasheet PDF : 6 Pages
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TS19372
Buck (Step-down) WLED Driver with External Switch
Absolute Maximum Rating
Parameter
Symbol
Limit
Unit
Input Voltage
Supply Voltage (Recommended)
FB Voltage
SW Voltage
Output SW Current
Power Dissipation
Ambient Temperature Range
Junction Temperature Range
VIN
40
V
VIN
6 ~ 40
V
VFB
-0.3 ~ 40
V
VSW
36
V
ISW
300
mA
PD
450
mW
TA
-40 to +85
oC
TJ
+150
oC
Electrical Specifications (Ta = 25oC, unless otherwise noted)
Parameter
Symbol
Test Conditions
Min Typ Max Units
Input Voltage Range
VIN
6
--
40
V
Line Regulation
REGLINE
--
1.4
5
mV
Charge Current
ICHARGE
VIN =6V~40V
--
30
45
uA
Discharge Current
IDISCHARGE
VIN =6V~40V
180
230
290
uA
Switching Frequency
FOSC
CT = 100pF,
--
180
--
kHz
Current Limit Sense Voltage
VSENSE
IDISCHARGE = ICHARGE
250
--
350
mV
Switch VCESAT
VSAT
ISW =300mA
--
1.0
1.3
V
Supply Current
ICC
VIN =6V~40V, CT =1nF
--
3
4
mA
Collector off-state Current
IC(OFF)
VCE =40V
1
100
uA
Note: Low duty cycle pulse techniques are used during test to maintain junction temperature as close to ambient
temperature as possible
2/6
Version: A09
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