an30071a Panasonic Corporation of North America, an30071a Datasheet - Page 4

• Manufacturer Part Number: an30071a
• Description: 3 A, Step-down Or Inverting Dc-dc Converter
• Manufacturer: Panasonic Corporation of North America

AN30071A
Pin No.
Block Diagram (Application Circuit Example)
Pin Descriptions
1
2
3
4
5
6
7
Pin name
AMPO
AMPN
GND
VCC
N.C.
Note) *: C
LX
SS
2
is optional.
7
AMPN
Power Supply
E.A.
Ground
Output
Output
C
R
Type
Input
0.76 V
1
1
⎯
⎯
OSC
6
AMPO
R
LOW
* C
R
PWM
Soft-start pin with standby function
Power supply input for IC
Power transistor emitter, switching node
Ground
No connection
Error amp output
Error amp negative input
Negative feedback
VREF
V
UPP
2
OUT
5
N.C.
OCP
C
SDB00154AEB
OUT
Driver.
4
GND
L
OUT
3
LX
Schottky
Diode
TSD
UVLO
Description
C
2
VCC
IN
SS
1
SS
C
11 mA
SS
Open – Standby OFF
Close – Standby ON
4