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参数资料
| 型号： | LP3876 |
| 厂商： | National Semiconductor Corporation |
| 英文描述： | 3A Fast Ultra Low Dropout Linear Regulators |
| 中文描述： | 3A条快速超低压差线性稳压器 |
| 文件页数： | 12/16页 |
| 文件大小： | 365K |
| 代理商： | LP3876 |
Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Storage Temperature Range
65C to +150C
Lead Temperature
(Soldering, 5 sec.)
260C
ESD Rating (Note 3)
2 kV
Power Dissipation (Note 2)
Internally Limited
Input Supply Voltage (Survival)
0.3V to +7.5V
Shutdown Input Voltage
(Survival)
0.3V to 7.5V
Output Voltage (Survival), (Note
0.3V to +6.0V
I
OUT (Survival)
Short Circuit Protected
Maximum Voltage for ERROR
Pin
V
IN
Maximum Voltage for SENSE Pin
V
OUT
Operating Ratings
Input Supply Voltage (Note 11)
2.5V to 7.0V
Shutdown Input Voltage
0.3V to 7.0V
Maximum Operating Current (DC)
3A
Junction Temperature
40C to +125C
Electrical Characteristics
LP3873/LP3876
Limits in standard typeface are for T
J = 25C, and limits in boldface type apply over the full operating temperature range.
Unless otherwise specified: V
IN =VO(NOM) + 1.5V, IL = 10 mA, COUT = 10F, VSD = 2V.
Symbol
Parameter
Conditions
Typ
LP3873/6 (Note 5)
Units
Min
Max
V
O
Output Voltage
Tolerance
V
OUT +1.5V
≤ V
IN
≤ 7.0V
10 mA
≤ I
L
≤ 3A
0
-1.5
-3.0
+1.5
+3.0
%
V
OL
Output Voltage Line
Regulation (Note 8)
V
OUT + 1.5V
≤ V
IN
≤ 7.0V
0.02
0.06
%
V
O/
I
OUT
Output Voltage Load
Regulation
10 mA
≤ I
L
≤ 3A
0.08
0.14
%
V
IN -VOUT
Dropout Voltage
I
L = 300 mA
80
100
120
mV
I
L = 3A
800
1000
1200
I
GND
Ground Pin Current In
Normal Operation
Mode
I
L = 300 mA
5
9
10
mA
I
L =3A
6
14
15
I
GND
Ground Pin Current In
Shutdown Mode
V
SD
≤ 0.3V
1
10
A
-40C
≤T
J
≤ 85C
50
I
O(PK)
Peak Output Current
V
O
≥ V
O(NOM) - 4%
4.5
A
SHORT CIRCUIT PROTECTION
I
SC
Short Circuit Current
6
A
LP3873/LP3876
www.national.com
5
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LP3876-ADJ | 制造商:NSC 制造商全称:National Semiconductor 功能描述:3A Fast Ultra Low Dropout Linear Regulator |
| LP3876ES-1.8 | 功能描述:低压差稳压器 - LDO 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 |
| LP3876ES-1.8/NOPB | 功能描述:低压差稳压器 - LDO 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 |
| LP3876ES-1.8/NOPB | 制造商:Texas Instruments 功能描述:Voltage Regulator IC |
| LP3876ES-2.5 | 功能描述:低压差稳压器 - LDO 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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