TS19372_10 Datasheet, PDF (4/9 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 (DC 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
Current
(mA)
350
350
R1
(ohm)
0.54
0.54
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
Current
(mA)
700
1000
1400
700
1000
1400
R1
(ohm)
0.32
0.22
0.1
0.16
0.11
0.03
Bill of Materials:
Designation Description
LED Driver
D1
M1
Cin
C1
TS19372CX5
SK34A
TSM2318CX
TSM4436CS
10uF
820pF
Package
SOT-25
SMA
SOT-23
SOP-8
805
805
Manufacture
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
N-CH 40V / 3.9A
N-CH 60V / 8A
Ceramic
Ceramic
4/9
Version: D09