LM337

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1.5A 负电压可调节线性稳压器

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数据表

document-pdfAcrobat LMx37 3-Terminal Adjustable Regulators 数据表 (Rev. L) (英语) PDF | HTML

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TPS7A33

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具有使能功能的 1A、高 PSRR、负电压、可调节低压降稳压器 Wider voltage range

LM337

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数据表

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产品详情

Rating

Catalog

Vin (max) (V)

-3

Vin (min) (V)

-40

Iout (max) (A)

1.5

Output options

Adjustable Output, Negative Output

Vout (max) (V)

-1.2

Vout (min) (V)

-37

Noise (µVrms)

1110

PSRR at 100 KHz (dB)

Iq (typ) (mA)

1.5

Thermal resistance θJA (°C/W)

Load capacitance (min) (µF)

Regulated outputs (#)

Accuracy (%)

2.4

Dropout voltage (Vdo) (typ) (mV)

2000

Operating temperature range (°C)

0 to 125

Rating

Catalog

Vin (max) (V)

-3

Vin (min) (V)

-40

Iout (max) (A)

1.5

Output options

Adjustable Output, Negative Output

Vout (max) (V)

-1.2

Vout (min) (V)

-37

Noise (µVrms)

1110

PSRR at 100 KHz (dB)

Iq (typ) (mA)

1.5

Thermal resistance θJA (°C/W)

Load capacitance (min) (µF)

Regulated outputs (#)

Accuracy (%)

2.4

Dropout voltage (Vdo) (typ) (mV)

2000

Operating temperature range (°C)

0 to 125

TO-220 (KCS)

46.228 mm² 10.16 x 4.55

TO-252 (KVU)

66.726 mm² 6.6 x 10.11

TO-263 (KTT)

154.8384 mm² 10.16 x 15.24

Output Voltage Range Adjustable
From –1.2 V to –37 V
Output Current Capability of 1.5 A Max
Input Regulation Typically 0.01% Per Input-
Voltage Change
Output Regulation Typically 0.3%
Peak Output Current Constant Over Temperature
Range of Regulator
Ripple Rejection Typically 77 dB
Direct Replacement for Industry-Standard LM237
and LM337

Output Voltage Range Adjustable
From –1.2 V to –37 V
Output Current Capability of 1.5 A Max
Input Regulation Typically 0.01% Per Input-
Voltage Change
Output Regulation Typically 0.3%
Peak Output Current Constant Over Temperature
Range of Regulator
Ripple Rejection Typically 77 dB
Direct Replacement for Industry-Standard LM237
and LM337

The LM237 and LM337 are adjustable 3-terminal negative-voltage regulators capable of supplying in excess of –1.5 A over an output voltage range of –1.2 V to –37 V. They require only two external resistors to set the output voltage and one output capacitor for frequency compensation.

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