TS3405 Datasheet, PDF (5/10 Pages) Taiwan Semiconductor Company, Ltd – Single Synchronous Buck PWM Controller

Typical Application (continued)
H3
H1
Vin_Gun
Vcc
JP1 2
1
Jumper
R5
33
C13 C14
Roset
20K_5%
R2
43K_1%
C2
222
R4
1.5K_1%
U1
C4
105
Boot
TS3405 ^Vgate
Q1
COMP
Phase
C1
Lgate
Q2
821
R1
3.3K_1%
C3 _R3
223 ^56_1%
TP1
C5A C5B BNC
D1
1N4148
C13
10uF/16V(MLCC
C6
104
L1
1.6uH/30A
H2
Vout
H4
C8 C9 C10 Vout_Gun
Component
Reference design
Maximum load current
5A
10A
15A
MOSFET
Q1 Q2
Rds(on) 30mΩ
Rds(on) 20mΩ
Rds(on) 10mΩ
Inductor
L1
5uF
3uF
1.6uF
No. of input capacitor
C13 C14
1
1
2
No. of output capacitor
C8 C9 C10
1
2
3
No. of decoupling
C5A C5B
1
1
2
capacitor
Reference design capacitor 1500uF(ESR=33)
Reference design decoupling capacitor 10uF(MLCC)
TS3405
5-10
2003/12 rev. A