参数资料
型号: LM2931A
厂商: ON SEMICONDUCTOR
英文描述: 100 mA, Adjustable Output, LDO Voltage Regulator with 60 V Load Dump Protection(100mA,可调输出,带有60V负载保护的低压差稳压器)
中文描述: 百毫安,可调输出,LDO稳压器与60伏特抛负载保护(100mA的,可调输出,带有60V的负载保护的低压差稳压器)
文件页数: 21/23页
文件大小: 254K
代理商: LM2931A
LM2931, NCV2931 Series
http://onsemi.com
7
I B
,BIAS
CURRENT
(mA)
I B
,BIAS
CURRENT
(mA)
I B
Vin, INPUT VOLTAGE (V)
0
2.0
4.0
6.0
8.0
10
12
20
10
0
1020
3040
50
60
RL = 50 W
,BIAS
CURRENT
(mA)
TJ, JUNCTION TEMPERATURE (°C)
55
25
0
25
50
75
100
125
0
2.0
4.0
6.0
8.0
IO = 100 mA
RR,
RIPPLE
REJECTION
RA
TIO
(dB)
f, FREQUENCY (Hz)
55
65
75
85
95
10
100
1.0 k
1.0 M
10 M
CO(ESR) = 0.15 W
Tantulum
RR,
RIPPLE
REJECTION
RA
TIO
(dB)
85
95
0
20
406080
100
IO, OUTPUT CURRENT (mA)
Ω
f, FREQUENCY (Hz)
,
OUTPUT
IMPEDANCE
(
)
O
0
0.4
0.8
1.2
1.6
2.0
10
100
1.0 k
10 k
100 k
1.0 M
10 M
I
CO(ESR) = 0.3 W
Electrolytic
CO(ESR) = 0.15 W
Tantulum
0
2.0
4.0
6.0
8.0
020
40
60
80
100
IO, OUTPUT CURRENT (mA)
IO = 0 mA
IO = 50 mA
Vout = 5.0 V
TJ = 25°C
Vin = 14 V
Vout = 5.0 V
IO = 10 mA
DIO = 1.0 mA
CO = 100 mF
TJ = 25°C
Vin = 14 V
Vout = 5.0 V
65
75
Vin = 14 V
Vout = 5.0 V
f = 120 Hz
TJ = 25°C
Vin = 14 V
Vout = 5.0 V
DVin = 100 mV
RL = 500 W
CO = 100 mF
TJ = 25°C
CO(ESR) = 0.3 W
Electrolytic
10 k
100 k
Figure 7. Bias Current versus Input Voltage
Figure 8. Bias Current versus Output Current
Figure 9. Bias Current versus Junction Temperature
Figure 10. Output Impedance versus Frequency
Figure 11. Ripple Rejection versus Frequency
Figure 12. Ripple Rejection versus Output Current
RL = 100 W
RL = 500 W
Vin = 14 V
Vout = 5.0 V
TJ = 25°C
相关PDF资料
PDF描述
LM2931 100 mA, Adjustable Output, LDO Voltage Regulator with 60 V Load Dump Protection(100mA,可调输出,带有60V负载保护的低压差稳压器)
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