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参数资料
| 型号： | R1250V471A-E2 |
| 厂商： | RICOH COMPANY LTD |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHING CONTROLLER, PDSO8 |
| 封装： | 0.65 MM PITCH, TSSOP-8 |
| 文件页数： | 7/13页 |
| 文件大小： | 127K |
| 代理商： | R1250V471A-E2 |
12345
Rev. 1.10
- 3 -
n
n PIN DESCRIPTION
Pin No.
Symbol
Description
1CP+
CP (Capacitor for Charge Pump) Positive Power Supply Pin
2
GND
Ground Pin
3CP-
CP(Capacitor for Charge Pump) Negative Power Supply Pin
4
CE
Chip Enable Pin (active at “L”)
5
NC
No Connection Pin
6VREF
Output Pin for Reference Voltage(*Note1)
7VOUT
Output Pin for Negative Regulator
8VIN
Power Supply Pin
*Note1 VREF is just a monitoring pin, therefore remain open. Do not connect any load. Refer to Technical Notes.
QABSOLUTE MAXIMUM RATINGS
(GND=0V)
Symbol
Item
Rating
Unit
VIN
VIN Supply Voltage
-0.3 to 7.5
V
VCE
CE Pin Input Voltage
-0.3 to VIN+0.3
V
VP+
CP+ Pin Input Voltage
-0.3 to VIN+0.3
V
VREF
VREF Pin Voltage
-0.3 to VIN+0.3
V
VP-
CP- Pin Input Voltage
VIN-12 to +0.3
V
VOUT
VOUT Pin Voltage
VIN-12 to +0.3
V
IOUT
Output Current
200
mA
PD
Power Dissipation*
NOTE1
490
mW
Topt
Operating Temperature Range
-40 to +85
q
C
Tstg
Storage Temperature Range
-55 to +125
q
C
*Note1: Power dissipation is specified under our specified condition.
Conditions;
Evaluation Board Dimensions: 50mm
50mm1.6mm
Material: Glass Epoxy (FR-4)
Reverse side of the evaluation board: Plane Copper
Surface of the evaluation board: Land pattern and Wiring
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