MB3817_03 Datasheet, PDF (3/28 Pages) Fujitsu Component Limited. – Switching Regulator Controller

MB3817
s PIN DESCRIPTION
Pin no.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Pin name
CT
RT
+IN
−IN
FB
DTC
CB1
CB2
VCC
OUT
VE
GND
CS
CSCP
15
CTL
16
VREF
I/O
Descriptions
 This terminal connects to a capacitor for setting the triangular-wave frequency.
 This terminal connects to a resistor for setting the triangular-wave frequency.
I Error amplifier non-inverted input terminal
I Error amplifier inverted input terminal
O Error amplifier output terminal
I Dead time control terminal
 Boot capacitor connection terminal
 Boot capacitor connection terminal
 Power supply terminal
O Totem-pole type output terminal
 Output current setting terminal
 Ground terminal
 Soft start setting capacitor connection terminal
 Short detection setting capacitor connection terminal
Power supply control terminal
I When this terminal is High, IC is inactive state
When this terminal is Low, IC is standby state
O Reference voltage output terminal
3