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参数资料
| 型号： | L4949 |
| 厂商： | ON SEMICONDUCTOR |
| 元件分类： | 线性稳压 |
| 英文描述： | 100 mA, 5.0 V, Low Dropout Voltage Regulator with Power-On Reset(100mA, 5.0V，带上电复位的低压差稳压器) |
| 中文描述： | 一〇 〇毫安，5.0 V固定，低压差线性稳压器具有上电复位（100mA的和5.0V，带上电复位的低压差稳压器） |
| 文件页数： | 3/10页 |
| 文件大小： | 116K |
| 代理商： | L4949 |
L4949, NCV4949
http://onsemi.com
2
ABSOLUTE MAXIMUM RATINGS
Rating
Symbol
Value
Unit
DC Operating Supply Voltage
VCC
28
V
Transient Supply Voltage (t < 1.0 s)
VCC TR
40
V
Output Current
Iout
Internally
Limited
Output Voltage
Vout
20
V
Sense Input Current
ISI
±1.0
mA
Sense Input Voltage
VSI
VCC
Output Voltages
V
Reset Output
VReset
20
Sense Output
VSO
20
Output Currents
mA
Reset Output
IReset
5.0
Sense Output
ISO
5.0
Preregulator Output Voltage
VZ
7.0
V
Preregulator Output Current
IZ
5.0
mA
ESD Protection at any pin
V
Human Body Model
2000
Machine Model
400
Thermal Resistance, JunctiontoAir
RqJA
°C/W
P Suffix, DIP8 Plastic Package, Case 626
100
D Suffix, SOIC8 Plastic Package, Case 751
200
D Suffix, SOIC20 Plastic Package, Case 751D
80
Operating Junction Temperature Range
TJ
40 to +150
°C
Storage Temperature Range
Tstg
65 to +150
°C
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
ELECTRICAL CHARACTERISTICS (VCC = 14 V, 40°C < TA < 125°C, unless otherwise specified.)
Characteristic
Symbol
Min
Typ
Max
Unit
Output Voltage (TA = 25°C, Iout = 1.0 mA)
Vout
4.95
5.0
5.05
V
Output Voltage (6.0 V < VCC < 28 V, 1.0 mA < Iout < 50 mA)
Vout
4.9
5.0
5.1
V
Output Voltage (VCC = 35 V, t < 1.0 s, 1.0 mA < Iout < 50 mA)
Vout
4.9
5.0
5.1
V
Dropout Voltage
Vdrop
V
Iout = 10 mA
0.1
0.25
Iout = 50 mA
0.2
0.40
Iout = 100 mA
0.3
0.50
Input to Output Voltage Difference in Undervoltage Condition
VIO
0.2
0.4
V
(VCC = 4.0 V, Iout = 35 mA)
Line Regulation (6.0 V < VCC < 28 V, Iout = 1.0 mA)
Regline
1.0
20
mV
Load Regulation (1.0 mA < Iout < 100 mA)
Regload
8.0
30
mV
Current Limit
ILim
mA
Vout = 4.5 V
105
200
400
Vout = 0 V
100
Quiescent Current (Iout = 0.3 mA, TA < 100°C)
IQSE
150
260
mA
Quiescent Current (Iout = 100 mA)
IQ
5.0
mA
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相关代理商/技术参数 |
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|---|---|
| L4949_06 | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:100 mA, 5.0 V, Low Dropout Voltage Regulator with Power−On Reset |
| L4949D | 功能描述:低压差稳压器 - LDO 5V 100mA w/Power-On 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 |
| L4949DG | 功能描述:低压差稳压器 - LDO 5V 100mA w/Power-On Reset 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 |
| L4949DG | 制造商:ON Semiconductor 功能描述:Linear Voltage Regulator IC |
| L4949DR2 | 功能描述:低压差稳压器 - LDO 5V 100mA w/Power-On 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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