STK740-420 SANYO [Sanyo Semicon Device], STK740-420 Datasheet - Page 8

• Manufacturer Part Number: STK740-420
• Description: 3.3V/5A Single Output Separate Excitation Chopper Regulator
• Manufacturer: SANYO [Sanyo Semicon Device]

Eveluation Board
The evaluation board is provided to evaluate this hybrid IC
Equivalent Circuit
Parts Table
Notes on pattern designing
C1
C2
R2
R3
R6
FB1 Ferrite-bead core
L1
1 Place V
2 Place GND pin (pin 5) and A pin (pins 7 and 8) lines separately.
3 Connect A pin (pins 7 and 8) with the input capacitor (–) through a Ferrite-bead core.
4 Connect GND pin (pin 5) with the input capacitor (–) or the output capacitor (–). However, connect with the
5 Shorten the length of the line between the input capacitor (–) and the output capacitor (–) as well as possible.
6 Connect V
output capacitor (–) unless otherwise specified.
GND
Electrolytic capacitor 220 F/10V
Electrolytic capacitor
Resistor
Jumper
Jumper
Choke coil
V
I
N
CC
Part name
S
pin (pin 6) and V
pin (pin 2) with the output capacitor (+).
C1
12
100
BL02RN1-R62
HK-10S100-4500
2200 F/6.3V
Requirements
11
IN
pins (pin 11 and 12) lines separately and use an input capacitor (+) for connection.
10
9
FB1
Number
8
STK740-441
1
1
1
1
1
1
1
7
Sanyo Electronic component co., ltd. OS capacitor
Sanyo Electronic component co., ltd. Low impedance (CG)
Use a fuse resistor (20 to 30 ) when needed
Murata manufacturing co., ltd.
Toho zinc co., ltd.
6
5
Manufacturer
4
L1
3
2
C2
1
R2
IC1
45 H, 5A
Notes
ON/O FF
Vs
Vo
GND
No.6106–8/10