R1218K021A RICOH [RICOH electronics devices division], R1218K021A Datasheet - Page 4

• Manufacturer Part Number: R1218K021A
• Description: Step-up DC/DC converter for White LED Backlight
• Manufacturer: RICOH [RICOH electronics devices division]

4
•
PIN CONFIGURATIONS
PIN DESCRIPTIONS
ABSOLUTE MAXIMUM RATINGS
R1218x
*Note1) For Power Dissipation, please refer to PACKAGE INFORMATION to be described.
SOT-23-6
Pin No.
1
2
3
4
5
6
Symbol
Topt
V
Tstg
V
V
V
V
P
I
OUT
LX
CE
FB
LX
IN
D
Symbol
GND
V
CE
V
V
Lx
OUT
FB
IN
6
1
V
CE Pin Voltage
V
V
L
L
Power Dissipation (SOT-23-6) *
Power Dissipation (PLP1820-6) *
Operating Temperature Range
Storage Temperature Range
•
X
X
IN
FB
OUT
(mark side)
SOT-23-6
Pin Voltage
Pin Current
Pin Voltage
Pin Voltage
Pin Voltage
5
2
Chip Enable Pin
Output Pin
Power Supply Input Pin
Switching Pin
(Open Drain Output)
Ground Pin
Feedback Pin
4
3
Description
Item
R1218xxx1A
R1218xxx2A
R1218xxx1A
R1218xxx2A
Note1
Note1
Top View
6
1
•
∗ Tab in the
Pin No.
PLP1820-6
5
2
(They are connected to the back side of this IC.)
Do not connect to other wires or land patterns.
1
2
3
4
5
6
4
3
•
PLP1820-6
Symbol
parts have GND level.
GND
V
CE
V
V
Lx
OUT
FB
IN
−0.3 to V
−0.3 to V
−0.3 to 22
−0.3 to 32
−0.3 to 22
−0.3 to 32
−55 to 125
−40 to 85
Rating
Bottom View
800
420
880
3
6.5
4
Chip Enable Pin
Feedback Pin
Switching Pin
(Open Drain Output)
Ground Pin
Power Supply Input Pin
Output Pin
IN
IN
5
2
+0.3
+0.3
Description
6
1
(GND=0V)
Unit
mW
mA
°C
°C
V
V
V
V
V