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Devices for SW Power Supply
3) LCD-Backlight Inverter: ExPD
[TND3xx Use Example: MOSFET Driver]
Half-Bridge MOSFET
Full-Bridge MOSFET
TND3xx
V DD
V DD
P1
GND
TND3xx
V DD
N1
TND3xx
GND
CCFL
[TND3xx Use Example: High-side FET Drive, Various Applications]
12V Power Supply Variation
12V
P1
TND3xx
N1
GND
4) PDP Sustain Driver: ExPD
[TND5xx, TND3xx Use Example]
TND3XX
R5
D2
INA
OUTA
C0
R6
D3
INB
OUTB
V DD
GND
Control IC
Push-Pull MOSFET
P1
P2
N1
V DD
N1
N2
TND3xx
N2
CCFL
GND
GND
24V Power Supply Variation
24V
12V
P1
TND3xx
TND3xx
N1
GND
GND
N
12V
D1
TND5XX
R1
PDP Panel
HOUT
VH
V DD
C3
R3
Vp
HIN
HFG
SD
VL
Cp
LIN
GND
R2
LOUT
R4
24
5) Air conditioner fan motor drive: ExPD
[TND512MD Use Example]
VM
C1
1000μF
GND
CCFL
V CC
C3
10μF
24V
Z3
DZD6.8
P1
N1
10kΩ
100kΩ
C2
104
UOUT
C23
472
R8
R7
C10
1.1kΩ
105
16
15 14 13 12 11 10
TND512MD
D1 D2
1
2
3
D3
470Ω
C6
C5
C4
682
682
682
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
LB11696V
CTL
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
R21
R23
100kΩ
J6 J7
R22
J4 J5
C8
C7
C9
R24
C19
104
182
4.7μF
104
20kΩ
R24
20kΩ
F/R
RD
PWMIN
HP
25
C16
C17
104
104
T1
T4
T5
C18
104
VOUT
WOUT
T2
T4
T6
C24
C25
472
472
R9
R10
R11
R12
R4
C11
C12 105
105
9
4
5
6
7
8
C13
105
C21
104
T1 to T6: 2SK2624
D1 to D3: DFD05TC
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