MB3873 Datasheet, PDF (3/22 Pages) Fujitsu Component Limited. – Multi-Resonance AC/DC Converter IC

MB3873
s PIN DESCRIPTION
Pin No. Symbol
I/O
1
RT
—
2
CT
—
3
RD
—
4
CD
—
5
FB
I
6
CS
—
7
GND
—
8
OUT
O
9
VCC (O)
—
10
VREF
O
11
VCC
—
12
ENB
—
13
OTP
I
14
OVP
I
15
+IN
I
16
–IN
I
Descriptions
Triangular wave oscillator frequency setting resistor connection pin
Triangular wave oscillator frequency setting capacitor connection pin
Dead time setting resistor connection pin
Delay interval setting capacitor connection pin
Control frequency control pin
Soft start capacitor connection pin
Ground pin
Totem pole type output pin
Output circuit power supply pin
Reference voltage output pin
Reference power and control circuit power supply pin
UVLO voltage setting resistor connection pin
Overtemperature detection comparator input pin
Overvoltage detection comparator 1 input pin
Overvoltage detection comparator 2 non-inverted input pin
Overvoltage detection comparator 2 inverted input pin
3