TS19372_10 Datasheet, PDF (5/9 Pages) Taiwan Semiconductor Company, Ltd – Buck (Step-down) WLED Driver with External Switch

TS19372
Buck (Step-down) WLED Driver with External Switch
Typical Application Circuit (AC Input)
Input Voltage vs. Efficiency
Reference Design Information:
TS19372CX5 + TSM2318CX
VIN Range
(V)
L (uH)
LED
(Series)
12
68
3pcs
24
100
6pcs
LED
(W)
1
1
TS19372CX5 + TSM4436CS
VIN Range
(V)
L (uH)
1W LED
(Series)
12
68
3pcs
12
68
2pcs
12
68
2pcs
24
100
6pcs
24
100
6pcs
24
100
6pcs
LED
(W)
3
5
5
3
5
5
Bill of Materials:
Designation Description
LED Driver
D1
D2.3.4
M1
Cin
C1
TS19372CX5
SK34A
SS23M
TSM2318CX
TSM4436CS
10uF
820pF
Package
SOT-25
SMA
uSMA
SOT-23
SOP-8
805
805
Current
(mA)
350
350
R1
(ohm)
0.54
0.54
Current
(mA)
700
1000
1400
700
1000
1400
R1
(ohm)
0.32
0.22
0.1
0.16
0.11
0.03
Manufacture
TSC
TSC
TSC
TSC
TSC
Generic
Generic
R2
(ohm)
1k
1k
Efficiency
(%)
88
92
R2
(ohm)
1k
1k
1k
1k
1k
1k
Efficiency
(%)
88
88
86
92
92
90
Remark
--
3A, 40V
2A, 30V
N-CH 40V / 3.9A
N-CH 60V / 8A
Ceramic
Ceramic
5/9
Version: D09