홈 전원 관리 선형 및 저손실(LDO) 레귤레이터
홈
전원 관리
선형 및 저손실(LDO) 레귤레이터

LP2982

활성

50mA, 16V, 저손실 전압 레귤레이터(저잡음 및 활성화 지원)

지금 주문
데이터시트

이 제품의 최신 버전이 있습니다

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TPS7A24 활성 200mA, 18V, 초저 IQ, 저손실(LDO) 전압 레귤레이터(활성화) Pin-to-pin option with ultra-low-IQ (2 µA)

LP2982

활성
데이터시트 지금 주문

제품 상세 정보

Output options Fixed Output Iout (max) (A) 0.05 Vin (max) (V) 16 Vin (min) (V) 3.12 Vout (max) (V) 5 Vout (min) (V) 3 Fixed output options (V) 3, 3.3, 5 Noise (µVrms) 30 Iq (typ) (mA) 0.065 Thermal resistance θJA (°C/W) 176 Rating Catalog Load capacitance (min) (µF) 2.2 Regulated outputs (#) 1 Features Enable Accuracy (%) 2.3 PSRR at 100 KHz (dB) 38 Dropout voltage (Vdo) (typ) (mV) 120 Operating temperature range (°C) -40 to 125
Output options Fixed Output Iout (max) (A) 0.05 Vin (max) (V) 16 Vin (min) (V) 3.12 Vout (max) (V) 5 Vout (min) (V) 3 Fixed output options (V) 3, 3.3, 5 Noise (µVrms) 30 Iq (typ) (mA) 0.065 Thermal resistance θJA (°C/W) 176 Rating Catalog Load capacitance (min) (µF) 2.2 Regulated outputs (#) 1 Features Enable Accuracy (%) 2.3 PSRR at 100 KHz (dB) 38 Dropout voltage (Vdo) (typ) (mV) 120 Operating temperature range (°C) -40 to 125
SOT-23 (DBV) 5 8.12 mm² 2.9 x 2.8
  • V IN range (new chip): 2.5 V to 16 V
  • V OUT range (new chip): 1.2 V to 5.0 V
  • V OUT accuracy:
    • ±1% for A-grade legacy chip
    • ±1.5% for standard-grade legacy chip
    • ±0.5% for new chip only
  • ±1% output accuracy over load, and temperature for new chip
  • Output current: Up to 50 mA
  • Low I Q (new chip): 69 µA at I LOAD = 0 mA
  • Low I Q (new chip): 380 µA at I LOAD = 50 mA
  • Shutdown current:
    • 1 µA for legacy chip
    • 2.25 µA for new chip
  • Low noise: 30 µV RMS with 10-nF bypass capacitor
  • Output current limiting and thermal protection
  • Stable with 2.2-µF ceramic capacitors (new chip)
  • High PSRR: 70 dB at 1 kHz, 40 dB at 1 MHz
  • Operating junction temperature: –40°C to +125°C
  • Package: 5-pin SOT-23 (DBV)
  • V IN range (new chip): 2.5 V to 16 V
  • V OUT range (new chip): 1.2 V to 5.0 V
  • V OUT accuracy:
    • ±1% for A-grade legacy chip
    • ±1.5% for standard-grade legacy chip
    • ±0.5% for new chip only
  • ±1% output accuracy over load, and temperature for new chip
  • Output current: Up to 50 mA
  • Low I Q (new chip): 69 µA at I LOAD = 0 mA
  • Low I Q (new chip): 380 µA at I LOAD = 50 mA
  • Shutdown current:
    • 1 µA for legacy chip
    • 2.25 µA for new chip
  • Low noise: 30 µV RMS with 10-nF bypass capacitor
  • Output current limiting and thermal protection
  • Stable with 2.2-µF ceramic capacitors (new chip)
  • High PSRR: 70 dB at 1 kHz, 40 dB at 1 MHz
  • Operating junction temperature: –40°C to +125°C
  • Package: 5-pin SOT-23 (DBV)

The LP2982 is a fixed-output, wide-input, low-noise, low-dropout voltage regulator supporting an input voltage range from 2.5 V to 16 V (for new chip) and up to 50 mA of load current. The LP2982 supports an output range of 1.2 V to 5.0 V (for new chip).

Additionally, the LP2982 (new chip) has a 1% output accuracy across load, and temperature that can meet the needs of low-voltage microcontrollers (MCUs) and processors.

Low output noise of 30 µV RMS (with 10-nF bypass capacitors) and wide bandwidth PSRR performance of greater than 70 dB at 1 kHz and 40 dB at 1 MHz help attenuate the switching frequency of an upstream DC/DC converter and minimize post regulator filtering.

The internal soft-start time and current limit protection reduce inrush current during start up, thus minimizing input capacitance. Standard protection features, such as overcurrent and overtemperature protection, are included.

The LP2982 is available in a 5-pin 2.9-mm × 2.8-mm SOT-23 (DBV) package.

The LP2982 is a fixed-output, wide-input, low-noise, low-dropout voltage regulator supporting an input voltage range from 2.5 V to 16 V (for new chip) and up to 50 mA of load current. The LP2982 supports an output range of 1.2 V to 5.0 V (for new chip).

Additionally, the LP2982 (new chip) has a 1% output accuracy across load, and temperature that can meet the needs of low-voltage microcontrollers (MCUs) and processors.

Low output noise of 30 µV RMS (with 10-nF bypass capacitors) and wide bandwidth PSRR performance of greater than 70 dB at 1 kHz and 40 dB at 1 MHz help attenuate the switching frequency of an upstream DC/DC converter and minimize post regulator filtering.

The internal soft-start time and current limit protection reduce inrush current during start up, thus minimizing input capacitance. Standard protection features, such as overcurrent and overtemperature protection, are included.

The LP2982 is available in a 5-pin 2.9-mm × 2.8-mm SOT-23 (DBV) package.
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기술 문서

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모두 보기4
유형 직함 날짜
* Data sheet LP2982 50-mA, Low-Noise, Low-Dropout Regulator in SOT-23 Package datasheet (Rev. L) PDF | HTML 2023/12/06
Application note AN-1172 LP2980, LP2981, LP2982, LP2985 Micro SMD Demo Boards (Rev. B) 2013/04/25
Application note AN-1061 Power Conversion in Line-Powered Equipment (Rev. B) 2013/04/23
White paper Engineers note: Capacitors are key to voltage regulator design 2002/07/01

설계 및 개발

추가 조건 또는 필수 리소스는 사용 가능한 경우 아래 제목을 클릭하여 세부 정보 페이지를 확인하세요.

패키지 핀 다운로드
SOT-23 (DBV) 5 옵션 보기
TI의 평가 항목에 대한 표준 약관이 적용됩니다.

주문 및 품질

포함된 정보:
  • RoHS
  • REACH
  • 디바이스 마킹
  • 납 마감/볼 재질
  • MSL 등급/피크 리플로우
  • MTBF/FIT 예측
  • 물질 성분
  • 인증 요약
  • 지속적인 신뢰성 모니터링
포함된 정보:
  • 팹 위치
  • 조립 위치

권장 제품에는 본 TI 제품과 관련된 매개 변수, 평가 모듈 또는 레퍼런스 디자인이 있을 수 있습니다.

지원 및 교육

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포럼 주제 모두 보기(영문)

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