R1250V301A Datasheet, PDF (4/14 Pages) RICOH electronics devices division – Negative Output Charge Pump Regulator(100mA)

R1250V××1A
PIN DESCRIPTION
Pin No.
1
Symbol
CP+
2
GND
3
CP-
4
—C— _E
5
NC
6
Vref
7
VOUT
8
VIN
Description
CP (Capacitor for Charge Pump) Positive Power Supply Pin
Ground Pin
CP (Capacitor for Charge Pump) Negative Power Supply Pin
Chip Enable Pin (active at “L”)
No Connection Pin
Output Pin for Reference Voltage ^(*Note1)
Output Pin for Negative Regulator
Power Supply Pin
*Note1 Vref is just a monitoring pin, therefore remain open. Do not connect any load. Refer to Techni-
cal Notes.
ABSOLUTE MAXIMUM RATINGS
Symbol
VIN
VCE
VP+
Vref
VP-
VOUT
IOUT
PD
Topt
Tstg
Item
VIN Supply Voltage
—C—E _{Pin Input Voltage}
CP+ Pin Input Voltage
Vref Pin Voltage
CP- Pin Input Voltage
VOUT Pin Voltage
Output Current
Power Dissipation^*NOTE1
Operating Temperature Range
Storage Temperature Range
Rating
-0.3 to 7.5
-0.3 to VIN+0.3
-0.3 to VIN+0.3
-0.3 to VIN+0.3
VIN-12 to +0.3
VIN-12 to +0.3
200
490
-40 to +85
-55 to +125
(GND=0V)
Unit
V
V
V
V
V
V
mA
mW
°C
°C
*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