TS19377CS Ver la hoja de datos (PDF) - TSC Corporation
Número de pieza
componentes Descripción
Fabricante
TS19377CS Datasheet PDF : 7 Pages
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TS19377
2A Buck (Step-down) WLED Driver
Absolute Maximum Rating
Parameter
Symbol
Limit
Unit
VCC Pin Voltage
Feedback Pin Voltage
ON/OFF Pin Voltage
Switch Pin Voltage
Power Dissipation
VCC
VSS - 0.3 to VSS + 25
V
VFB
VSS - 0.3 to VCC
V
VEN
VSS - 0.3 to VCC + 0.3
V
VSW
VSS - 0.3 to VCC + 0.3
V
PD
Internally limited
mW
Storage Temperature Range
Operating Temperature Range
Operating Supply Voltage
Thermal Resistance from Junction to case
TST
-40 to +150
°C
TOP
-40 to +125
°C
VOP
+3.6 to +23
V
θJC
25
°C/W
Electrical Specifications (VIN=12V, TA =25oC, unless otherwise noted)
Parameter
Symbol
Conditions
Min Typ Max Units
Feedback Voltage
Quiescent Current
Feedback Bias Current
Shutdown Supply Current
Switch Current
Line Regulation
Load Regulation
Oscillation Frequency
EN Pin Logic input threshold voltage
EN Pin Input Current
Internal MOSFET RDSON
Efficiency
Thermal shutdown Temp
VFB
ICCQ
IFB
ISD
ISW
△VOUT/VOUT
△VOUT/VOUT
FOSC
VSH
VSL
ISH
ISL
RDSON
EFFI
TSD
IOUT=0.2A
VFB=1.2V force driver off
IOUT=0.1A
VEN =0V
VCC=5V~23V, IOUT=0.2A
IOUT=0.1 to 2A
High (regulator ON)
Low (regulator OFF)
VEN=2.5V (ON)
VEN=0.3V (OFF)
VCC=5V, VFB=0V
VCC=12V, VFB=0V
VOUT = 5V
IOUT=1A
IOUT=2A
0.24 0.25 0.26 V
--
3
5
mA
--
0.1 0.5 uA
--
2
10 uA
2.5
--
--
A
--
1
2
%
--
0.2 0.5
%
260 330 400 KHz
2.0
--
--
V
--
--
0.8
--
20
--
uA
--
-10
--
uA
-- 100 140
mΩ
--
70 100
--
91
--
%
--
91
--
-- 140 --
°C
2/7
Version: A11
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