参数资料
型号: R1140Q21B-TR
厂商: RICOH COMPANY LTD
元件分类: 固定正电压单路输出LDO稳压器
英文描述: FIXED POSITIVE LDO REGULATOR, PDSO4
封装: MINI, PLASTIC, SC-82AB, 4 PIN
文件页数: 3/15页
文件大小: 404K
代理商: R1140Q21B-TR
Rev. 1.00
- 11 -
7) Dropout Voltage vs. Set Output Voltage
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
1.5
2.5
3.5
Set Output Voltage Vreg(V)
Dropout
Voltage
V
DIF
(V)
10mA
30mA
50mA
120mA
8) Ripple Rejection vs. Frequency
R1140Q151X
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
0.1
1.0
10.0
100.0
Frequency(kHz)
Ripple
Rejection
RR(dB)
50mA
1mA
30mA
R1140Q151X
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
0.1
1.0
10.0
100.0
Frequency(kHz)
Ripple
Rejection
RR(dB)
50mA
1mA
30mA
R1140Q281X
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
0.1
1.0
10.0
100.0
Frequency (kHz)
Ripple
Rejection
RR(dB)
50mA
1mA
30mA
R1140Q281X
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
0.1
1.0
10.0
100.0
Frequency(kHz)
Ripple
Rejection
RR
(dB)
50mA
1mA
30mA
Vin=2.5VDC+0.5Vp-p
Cout=tantal 1.0uF , Topt=25 C
Vin=2.5VDC+0.5Vp-p
Cout=tantal 2.2uF , Topt=25 C
Vin=3.8VDC+0.5Vp-p
Cout=tantal 1.0uF , Topt=25 C
Vin=3.8VDC+0.5Vp-p
Cout=tantal 2.2uF , Topt=25 C
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