Datasheet > LT3015Q

LT3015Q

更新时间： 2024-11-27 12:18:47

品牌	Logo	应用领域
其他 - ETC		稳压器
页数	文件大小	规格书
20页	427K
描述
1.5A, Low Noise, Negative Linear Regulator with Precision Current Limit

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LT3015Q 数据手册

LT3015

1.5A, Low Noise,

Negative Linear Regulator

with Precision Current Limit

DESCRIPTION

The LT^®3015 is a low noise, low dropout, negative linear

regulatorwithfasttransientresponse.Thedevicesupplies

up to 1.5A of output current at a typical dropout voltage

of 310mV. Operating quiescent current is typically 1.1mA

and drops to < 1μA in shutdown. Quiescent current is also

well controlled in dropout. In addition to fast transient

response, the LT3015 exhibits very low output noise,

making it ideal for noise sensitive applications.

FEATURES

Output Current: 1.5A

Dropout Voltage: 310mV

Precision Current Limit with Foldback

Low Output Noise: 60μV

Low Quiescent Current: 1.1mA

(10Hz to 100kHz)

RMS

Precision Positive or Negative Shutdown Logic

Fast Transient Response

Wide Input Voltage Range: –1.8V to –30V

Adjustable Output Voltage Range: –1.22V to –29.5V

Controlled Quiescent Current in Dropout

< 1μA Quiescent Current in Shutdown

Stable with 10μF Output Capacitor

Stable with Ceramic, Tantalum or Aluminum Capacitors

Thermal Limit with Hysteresis

Reverse Output Protection

TheLT3015regulatorisstablewithaminimum10μFoutput

capacitor. Moreover, the regulator can use small ceramic

capacitors without the necessary addition of ESR as is

commonwithotherregulators.Internalprotectioncircuitry

includes reverse output protection, precision current limit

with foldback and thermal limit with hysteresis.

The LT3015 is available as an adjustable device with a

–1.22V reference voltage. Packages include the 5-lead

TO-220 and DD-Pak, a thermally enhanced 12-lead MSOP

and the low profile (0.75 mm) 8-lead 3mm × 3mm DFN.

5-Lead TO-220 and DD-Pak, Thermally Enhanced

12-Lead MSOP and 8-Lead 3mm × 3mm × 0.75mm

DFN Packages

APPLICATIONS

L, LT, LTC, LTM, ThinSOT, Linear Technology and the Linear logo are registered trademarks of

Linear Technology Corporation. All other trademarks are the property of their respective owners.

Post-Regulator for Switching Supplies

Negative Logic Supplies

Low Noise Instrumentation

Industrial Supplies

Negative Complement to the LT1963A

Dropout Voltage

TYPICAL APPLICATION

450

= 25°C

–5V, –1.5A, Low-Noise Regulator

400

350

300

250

200

150

100

GND

DD-PAK/TO-220

3.40k

LT3015

10μF

–5V

–1.5A

SHDN

ADJ

DFN/MSOP

10.5k

OUT

–5.5V TO

–30V

3015 TA01

–0.2 –0.4 –0.6 –0.8 –1.0 –1.2 –1.4 –1.6

LOAD CURRENT (A)

3015 TA01a

3015f

12 3 4 5 6 7...20

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与LT3015Q相关器件

型号	品牌	获取价格	描述	数据表
LT3015T	ETC	获取价格	1.5A, Low Noise, Negative Linear Regulator with Precision Current Limit
LT3020	Linear	获取价格	500mA, Low Voltage, Very Low Dropout Linear Regulator
LT3020	ADI	获取价格	100mA、低电压、非常低压差线性稳压器
LT3020_15	Linear	获取价格	100mA, Low Voltage, Very Low Dropout Linear Regulator
LT30200-1	LITTELFUSE	获取价格	Class T Fuse Blocks - 300 and 600 Volt
LT3020-1.2	Linear	获取价格	100mA, Low Voltage, Very Low Dropout Linear Regulator
LT3020-1.2_15	Linear	获取价格	100mA, Low Voltage, Very Low Dropout Linear Regulator
LT3020-1.5	Linear	获取价格	100mA, Low Voltage, Very Low Dropout Linear Regulator
LT3020-1.5_15	Linear	获取价格	100mA, Low Voltage, Very Low Dropout Linear Regulator
LT3020-1.8	Linear	获取价格	100mA, Low Voltage, Very Low Dropout Linear Regulator

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