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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： | 19/23页 |
| 文件大小： | 254K |
| 代理商： | LM2931A |
LM2931, NCV2931 Series
http://onsemi.com
5
ELECTRICAL CHARACTERISTICS (Vin = 14 V, IO = 10 mA, CO = 100 mF, CO(ESR) = 0.3 W, TA = 25°C [Note 6])
LM2931C/NCV2931C
LM2931AC/NCV2931AC
Characteristic
Symbol
Min
Typ
Max
Min
Typ
Max
Unit
ADJUSTABLE OUTPUT
Vref
V
IO = 10 mA, TA = 25°C
1.14
1.20
1.26
1.17
1.20
1.23
IO ≤ 100 mA, TA = 40 to +125°C
1.08
1.32
1.15
1.25
Output Voltage Range
VO range
3.0 to
24
2.7 to
29.5
3.0 to
24
2.7 to
29.5
V
Line Regulation (Vin = VO + 0.6 V to 26 V)
Regline
0.2
1.5
0.2
1.5
mV/V
Load Regulation (IO = 5.0 mA to 100 mA)
Regload
0.3
1.0
0.3
1.0
%/V
Output Impedance
ZO
m
W/V
IO = 10 mA, DIO = 1.0 mA, f = 10 Hz to 10 kHz
40
40
Bias Current
IB
mA
IO = 100 mA
6.0
6.0
IO = 10 mA
0.4
1.0
0.4
1.0
Output Inhibited (Vth(OI) = 2.5 V)
0.2
1.0
0.2
1.0
Adjustment Pin Current
IAdj
0.2
0.2
mA
Output Noise Voltage (f = 10 Hz to 100 kHz)
Vn
140
140
mVrms/V
LongTerm Stability
S
0.4
0.4
%/kHR
Ripple Rejection (f = 120 Hz)
RR
0.10
0.003
0.10
0.003
%/V
Dropout Voltage
VIVO
V
IO = 10 mA
0.015
0.2
0.015
0.2
IO = 100 mA
0.16
0.6
0.16
0.6
OverVoltage Shutdown Threshold
Vth(OV)
26
29.5
40
26
29.5
40
V
Output Voltage with Reverse Polarity Input
(Vin = 15 V)
VO
0.3
0
0.3
0
V
Output Inhibit Threshold Voltages
Vth(OI)
V
Output “On”:
TA = 25°C
2.15
1.90
2.15
1.90
TA = 40° to +125°C
1.20
1.20
Output “Off”:
TA = 25°C
2.50
2.26
2.50
2.26
TA = 40° to +125°C
3.25
3.25
Output Inhibit Threshold Current (Vth(OI) = 2.5 V)
Ith(OI)
30
50
30
50
mA
6. Low duty cycle pulse techniques are used during test to maintain junction temperature as close to ambient as possible.
7. The reference voltage on the adjustable device is measured from the output to the adjust pin across R1.
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相关代理商/技术参数 |
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| LM2931ACD | 功能描述:低压差稳压器 - LDO 3-24V ADJ 100mA RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| LM2931ACD2T5 | 制造商:ON SEMI 功能描述:d(2) pak s/m |
| LM2931ACD2TR4 | 功能描述:低压差稳压器 - LDO 3-24V ADJ 100mA RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| LM2931ACD2TR4G | 功能描述:低压差稳压器 - LDO 3-24V ADJ 100mA w/Load Dump RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| LM2931ACDG | 功能描述:低压差稳压器 - LDO 3-24V ADJ 100mA w/Load Dump RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
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