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参数资料
| 型号： | LP3985IM5X-2.6/NOPB |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 固定正电压单路输出LDO稳压器 |
| 英文描述： | 2.6 V FIXED POSITIVE LDO REGULATOR, 0.1 V DROPOUT, PDSO5 |
| 封装： | SOT-23, SOP-5 |
| 文件页数： | 13/17页 |
| 文件大小： | 993K |
| 代理商： | LP3985IM5X-2.6/NOPB |
Absolute Maximum Ratings (Notes 1, 2)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
V
IN,VEN
0.3 to 6.5V
V
OUT
-0.3 to (V
IN+0.3)
≤ 6.5V
Junction Temperature
150C
Storage Temperature
65C to +150C
Lead Temp.
235C
Pad Temp. (Note 3)
235C
Maximum Power Dissipation
SOT23-5 (Note 4)
micro SMD (Note 4)
364mW
355mW
ESD Rating(Note 5)
Human Body Model
Machine Model
2kV
150V
Operating Ratings (Notes 1, 2)
V
IN
2.5 to 6V
V
EN
0to(V
IN+0.3)
≤ 6V
Junction Temperature
40C to +125C
Thermal Resistance
θ
JA (SOT23-5)
θ
JA (micro SMD)
220C/W
255C/W
Maximum Power Dissipation
SOT23-5 (Note 6)
micro SMD (Note 6)
250mW
244mW
Electrical Characteristics
Unless otherwise specified: V
IN =VOUT(nom) + 0.5V, CIN = 1 F, IOUT = 1mA, COUT = 1 F, CBYPASS = 0.01F. Typical values
and limits appearing in standard typeface are for T
J = 25C. Limits appearing in boldface type apply over the entire junction
temperature range for operation, 40C to +125C. (Note 7) (Note 8)
Symbol
Parameter
Conditions
Typ
Limit
Units
Min
Max
V
OUT
Output Voltage
Tolerance
I
OUT = 1mA
2
3
2
3
%of
V
OUT(nom)
Line Regulation Error
V
IN =(VOUT(nom) + 0.5V) to 6.0V,
For 4.7 to 5.0 options
For all other options
0.19
0.1
0.19
0.1
%/V
Load Regulation Error
I
OUT =1mAto150 mA
LP3985IM5 (SOT23-5)
0.0025
0.005
%/mA
LP3985 (micro SMD)
0.0004
0.002
Output AC Line Regulation
V
IN =VOUT(nom) + 1V,
I
OUT = 150 mA (Figure 1)
1.5
mV
P-P
PSRR
Power Supply Rejection Ratio
V
IN =VOUT(nom) + 0.2V,
f = 1 kHz,
I
OUT =50mA(Figure 2)
50
dB
V
IN =VOUT(nom) + 0.2V,
f = 10 kHz,
I
OUT =50mA(Figure 2)
40
I
Q
Quiescent Current
V
EN = 1.4V, IOUT =0mA
For 4.7 to 5.0 options
For all other options
100
85
165
150
A
V
EN = 1.4V, IOUT = 0 to 150 mA
For 4.7 to 5.0 options
For all other options
155
140
250
200
V
EN = 0.4V
0.003
1.5
Dropout Voltage (Note 10)
I
OUT =1mA
0.4
2
mV
I
OUT =50mA
20
35
I
OUT = 100 mA
45
70
I
OUT = 150 mA
60
100
I
SC
Short Circuit Current Limit
Output Grounded
(Steady State)
600
mA
I
OUT(PK)
Peak Output Current
V
OUT
≥ V
OUT(nom) - 5%
550
300
mA
LP3985
www.national.com
5
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相关代理商/技术参数 |
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|---|---|
| LP3985IM5X-285 | 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 |
| LP3985IM5X-285/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 |
| LP3985IM5X-3.0 | 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 |
| LP3985IM5X-3.0/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 |
| LP3985IM5X-3.1 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:Micropower, 150mA Low-Noise Ultra Low-Dropout CMOS Voltage Regulator |
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