低壓差穩壓集成電路 LDO: LP2951 0.1A

低壓差穩壓集成電路 LDO: LP2951 0.1A

型號︰-

品牌︰HN

原產地︰中國

單價︰-

最少訂量︰1000 件

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產品描述

 

Parameter

Conditions (Note 2)

Min

Typ

Max

Units

Output Voltage

-25°C £ TJ £ 85°C

Full Operating Temperature

0.985 |V0|

0.98 |V0|

V0

1.015 |V0|

1.02 |V0|

V

Output Voltage

100mA £ IL £ 100mA, TJ £ TJMAX

0.976|V0|

V0

1.024 |V0|

Output Voltage Temperature Coefficient

(Note 1)

 

50

150

ppm/°C

Line Regulation (Note 3)

V0 + 1V £ Vin £ 30V (Note 4)

 

0.04

0.4

%

Load Regulation (Note 3)

100mA £ IL £ 100mA

 

0.1

0.3

%

Dropout Voltage (Note 5)

IL=100 mA

IL=100 mA

 

50

380

80

450

mV

Ground Current

IL=100 mA

IL=100 mA

 

75

8

120

12

mA

mA

Dropout Ground Current

Vin=V0 - 0.5V, IL=100 mA

 

110

170

mA

Current Limit

Vout=0

 

160

200

mA

Thermal Regulation

 

 

0.05

0.2

%/W

Output Noise, 10Hz  to 100KHz

 

CL=1mF

CL=200mF

CL=3.3mF

(Bypass=0.01 mF pins 7 to 1

(LP2951-XX))

 

430

160

100

 

 

mV rms

8-pin Versions only

Reference Voltage

 

1.21

1.235

1.26

V

Reference Voltage

Over Temperature (Note 6)

1.185

 

1.285

Feedback Pin Bias Current

 

 

20

40

nA

Reference Voltage Temperature Coefficient

(Note 7)

 

50

 

ppm/°C

Feedback Pin Bias Current Temperature Coefficient

 

 

0.1

 

nA/°C

Error Comparator

Output Leakage Current

Voh=30V

 

0.01

1.0

mA

Output Low Voltage

Vin=4.5V, IOL=400 mA

 

150

250

mV

Upper Threshold Voltage

(Note 8)

40

60

 

Lower Threshold Voltage

(Note 8)

 

75

95

Hysteresis

(Note 8)

 

15

 

Shutdown Input

Input Logic Voltage

Low (Regulator ON)

High (Regulator OFF)

2

1.3

 

產品規格︰ 0.1A 低壓差正電源(帶控制信號)固定輸出電壓穩壓電路
輸入電壓為30V, 輸出電壓為2.85, 3.0, 3.3, 5.0V 等多種型號
LP2950: TO-92封裝
LP2951: SOP-8封裝
可以完全替換LM2951

產品優點︰ 低壓差, 低功耗, 高精度