R1240K003A-TR Ver la hoja de datos (PDF) - RICOH Co.,Ltd.
Número de pieza
componentes Descripción
Fabricante
R1240K003A-TR Datasheet PDF : 19 Pages
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PIN DESCRIPTIONS
Top View
1
10
2
9
3
R1240K
8
4
7
5
6
Bottom View
10
1
9
2
8
3
7
4
6
5
R1240x
NO.EA-190-170609
Top View
1
6
2
R1240N 5
3
4
DFN(PLP)2527-10 Pin Configuration
SOT-23-6W Pin Configuration
R1240N001x Pin Description
Pin No.
Symbol
1
CE
2
VIN
3
Lx
4
BST
5
GND
6
VFB
Description
Chip Enable Pin, Active with ”H”
Power Supply Pin
Lx Switching Pin
Bootstrap Pin
Ground Pin
Feedback Pin
R1240K003x Pin Description
Pin No.
Symbol
1
Lx
2
VIN
3
VIN
4
CE
5
TEST
6
GND
7
NC
8
VFB
9
NC
10
BST
Description
Lx Switching Pin
Power Supply Pin
Power Supply Pin
Chip Enable Pin, Active with ”H”
Test Pin (Open, do not connect to any line.)
Ground Pin
No Connection
Feedback Pin
No Connection
Bootstrap Pin
Tab is GND level. (They are connected to the reverse side of this IC.) The tab is better to be connected to the GND, but
leaving it open is also acceptable.
3
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