R1250VXX1A Datasheet, PDF (3/13 Pages) RICOH electronics devices division – Negative Output Charge Pump Regulator

R1250Vxx1A
PIN DESCRIPTION
Pin No.
Symbol

&3

*1'

&3

³&(³

1&

9UHI

9287

9,1
Description
&3 &DSDFLWRU IRU &KDUJH 3XPS 3RVLWLYH 3RZHU 6XSSO\ 3LQ
*URXQG 3LQ
&3 &DSDFLWRU IRU &KDUJH 3XPS 1HJDWLYH 3RZHU 6XSSO\ 3LQ
&KLS (QDEOH 3LQ DFWLYH DW ´/µ
1R &RQQHFWLRQ 3LQ
2XWSXW 3LQ IRU 5HIHUHQFH 9ROWDJH ^1RWH
2XWSXW 3LQ IRU 1HJDWLYH 5HJXODWRU
3RZHU 6XSSO\ 3LQ
*Note1 Vref is just a monitoring pin, therefore remain open. Do not connect any load. Refer to Techni-
cal Notes.
ABSOLUTE MAXIMUM RATINGS
Symbol
9,1
9&(
93
9UHI
93
9287
,287
3'
7RSW
7VWJ
Item
9,1 6XSSO\ 9ROWDJH
³&³ _{( 3LQ ,QSXW 9ROWDJH}
&3 3LQ ,QSXW 9ROWDJH
9UHI 3LQ 9ROWDJH
&3 3LQ ,QSXW 9ROWDJH
9287 3LQ 9ROWDJH
2XWSXW &XUUHQW
3RZHU 'LVVLSDWLRQ ^1RWH
2SHUDWLQJ 7HPSHUDWXUH 5DQJH
6WRUDJH 7HPSHUDWXUH 5DQJH
Rating
 WR 
 WR 9,1 
 WR 9,1 
 WR 9,1 
9,1 WR 
9,1 WR 


 WR 
 WR 
*1' 9
Unit
9
9
9
9
9
9
P$
P:
°&
°&
*Note1: Power dissipation is specified under the specified condition.
Conditions;
Evaluation Board Dimensions: 50mm × 50mm × 1.6mm
Material: Glass Epoxy (FR-4)
Reverse side of the evaluation board: Plane Copper
Surface of the evaluation board: Land pattern and Wiring
3