参数资料
型号: R1250V281A-E2
厂商: RICOH COMPANY LTD
元件分类: 稳压器
英文描述: SWITCHED CAPACITOR REGULATOR, 322 kHz SWITCHING FREQ-MAX, PDSO8
封装: TSSOP-8
文件页数: 10/13页
文件大小: 146K
代理商: R1250V281A-E2
R1250Vxx1A
6
TYPICAL CHARACTERISTICS
1)
Supply Current at no load vs. Input Voltage
2)
Supply Current at no load vs. Temperature
R1250Vxx1A
2.000
2.500
1.500
1.000
0.500
0.000
Input Voltage VIN (V)
2.5
3.0
-3.0V Output
-2.0V Output
-4.0V Output
4.0
5.0
4.5
5.5
3.5
Supply
Current
at
no
load
I
SS2
(mA)
2.0
2.5
1.5
1.0
0.5
0.0
Temperature Topt (
°C)
-50
-25
-3.0V Output
-2.0V Output
-4.0V Output
25
75
50
100
0
Supply
Current
at
no
load
I
SS2
(mA)
3)
Input Current vs. Output Load Current
4)
Efficiency vs. Load Current
R1250V301A
R1250Vxx1A
100
120
80
60
40
20
0
Output Load Current IOUT (mA)
0
20
60
100
80
120
40
Input
Current
I
IN
(mA)
80
100
60
40
20
0
020
-3.0V Output
-2.0V Output
-4.0V Output
VIN=lOutputl+1V
60
100
80
120
40
Efficiency
η
(%)
Output Load Current IOUT (mA)
5)
Oscillator Frequency vs. Input Voltage
6)
Oscillator Frequency vs. Temperature
R1250V201A
310
300
320
290
280
270
260
250
240
Input Voltage VIN (V)
2.5
3
4
5
4.5
5.5
3.5
Oscillator
F
requency
f
osc
(kHz)
Temperature Topt (
°C)
298
296
294
300
292
290
288
286
284
282
280
-50
-25
25
75
50
100
0
Oscillator
F
requency
f
osc
(kHz)
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