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LT1964IDDPBF

更新时间： 2024-11-24 05:43:27

品牌	Logo	应用领域
凌特 - Linear		稳压器
页数	文件大小	规格书
16页	222K
描述
200mA, Low Noise,Low Dropout Negative Micropower Regulator

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LT1964IDDPBF 数据手册

LT1964

200mA, Low Noise,

Low Dropout Negative

Micropower Regulator

FEATURES

DESCRIPTION

TheLT^®1964isamicropowerlownoise,lowdropoutnega-

tive regulator. The device is capable of supplying 200mA

of output current with a dropout voltage of 340mV. Low

quiescent current (30μA operating and 3μA shutdown)

makes the LT1964 an excellent choice for battery-pow-

ered applications. Quiescent current is well controlled in

dropout.

Low Noise: 30μV

(10Hz to 100kHz)

RMS

Low Quiescent Current: 30μA

Low Dropout Voltage: 340mV

Output Current: 200mA

Fixed Output Voltage: –5V

Adjustable Output from –1.22V to –20V

Positive or Negative Shutdown Logic

3μA Quiescent Current in Shutdown

Stable with 1μF Output Capacitor

Stable with Aluminum, Tantalum, or Ceramic

Capacitors

Thermal Limiting

Low Proﬁle (1mm) ThinSOT™ and (0.75mm) 8-Pin

3mm × 3mm DFN Packages

Other features of the LT1964 include low output noise.

With the addition of an external 0.01μF bypass capacitor,

outputnoiseisreducedto30μV

overa10Hzto100kHz

RMS

bandwidth. The LT1964 is capable of operating with small

capacitors and is stable with output capacitors as low

as 1μF. Small ceramic capacitors can be used without

the necessary addition of ESR as is common with other

regulators. Internal protection circuitry includes reverse

output protection, current limiting, and thermal limiting.

The device is available with a ﬁxed output voltage of –5V

and as an adjustable device with a –1.22V reference volt-

age. The LT1964 regulators are available in a low proﬁle

(1mm) ThinSOT and the low proﬁle (0.75mm) 8-pin

(3mm × 3mm) DFN packages.

APPLICATIONS

Battery-Powered Instruments

Low Noise Regulator for Noise-Sensitive

Instrumentation

Negative Complement to LT1761 Family of

Positive LDOs

L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation. ThinSOT is

a trademark of Linear Technology Corporation. All other trademarks are the property of their

respective owners.

TYPICAL APPLICATION

10Hz to 100kHz Output Noise

–5V Low Noise Regulator

1μF

10μF

GND

OUT

30μV

RMS

SHDN

BYP

OUT

100μV/DIV

–5.4V

0.01μF

LT1964-5

TO –20V

–5V AT 200mA

30μV

NOISE

RMS

1964 TA01a

1964 TA01b

1ms/DIV

1964fb

12 3 4 5 6 7...16

中文翻译

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与LT1964IDDPBF相关器件

型号	品牌	获取价格	描述	数据表
LT1964IDDTR	Linear	获取价格	200mA, Low Noise,Low Dropout Negative Micropower Regulator
LT1964IDDTRPBF	Linear	获取价格	200mA, Low Noise,Low Dropout Negative Micropower Regulator
LT1964IS5-5	Linear	获取价格	200mA, Low Noise,Low Dropout Negative Micropower Regulator
LT1964IS5-5#TR	Linear	获取价格	IC VREG 5 V FIXED NEGATIVE LDO REGULATOR, 0.49 V DROPOUT, PDSO5, PLASTIC, MO-193, TSOT-23,
LT1964IS5-5#TRMPBF	Linear	获取价格	LT1964 - 200mA, Low Noise, Low Dropout Negative Micropower Regulator; Package: SOT; Pins:
LT1964IS5-5#TRPBF	Linear	获取价格	LT1964 - 200mA, Low Noise, Low Dropout Negative Micropower Regulator; Package: SOT; Pins:
LT1964IS5-5PBF	Linear	获取价格	200mA, Low Noise,Low Dropout Negative Micropower Regulator
LT1964IS5-5TR	Linear	获取价格	200mA, Low Noise,Low Dropout Negative Micropower Regulator
LT1964IS5-5TRPBF	Linear	获取价格	200mA, Low Noise,Low Dropout Negative Micropower Regulator
LT1964IS5-BYP	Linear	获取价格	200mA, Low Noise,Low Dropout Negative Micropower Regulator

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