LP5904

現行

具低 IQ 和啟用功能的 200-mA 低雜訊高 PSRR 低 IQ 超低壓降電壓穩壓器

產品詳細資料

Output options Fixed Output Iout (max) (A) 0.2 Vin (max) (V) 5.58 Vin (min) (V) 2.2 Vout (max) (V) 4.4 Vout (min) (V) 1.2 Fixed output options (V) 0.85, 1.2, 2.8, 3.1 Noise (µVrms) 6.5 Iq (typ) (mA) 0.011 Thermal resistance θJA (°C/W) 120 Rating Catalog Load capacitance (min) (µF) 1 Regulated outputs (#) 1 Features Enable, Output discharge Accuracy (%) 2 PSRR at 100 KHz (dB) 50 Dropout voltage (Vdo) (typ) (mV) 95 Operating temperature range (°C) -40 to 125
Output options Fixed Output Iout (max) (A) 0.2 Vin (max) (V) 5.58 Vin (min) (V) 2.2 Vout (max) (V) 4.4 Vout (min) (V) 1.2 Fixed output options (V) 0.85, 1.2, 2.8, 3.1 Noise (µVrms) 6.5 Iq (typ) (mA) 0.011 Thermal resistance θJA (°C/W) 120 Rating Catalog Load capacitance (min) (µF) 1 Regulated outputs (#) 1 Features Enable, Output discharge Accuracy (%) 2 PSRR at 100 KHz (dB) 50 Dropout voltage (Vdo) (typ) (mV) 95 Operating temperature range (°C) -40 to 125
DSBGA (YFQ) 4 1 mm² 1 x 1
  • Stable with 1.0 µF Ceramic Input and Output Capacitors
  • No Noise Bypass Capacitor Required
  • Remote Output Capacitor Placement
  • Thermal-overload and Short-circuit Protection
  • –40°C to +125°C Junction Temperature Range for Operation

Key Specifications

  • Input Voltage Range … 2.2V to 5.5V
  • Output Voltage Range … 1.2V to 4.4V
  • Output Current … 200 mA
  • Low Output Voltage Noise at
    200 mA … 6.5µVRMS
  • PSRR … 78 dB at 1kHz
  • Output Voltage Tolerance … ± 2%
  • Virtually Zero IQ (Disabled) … <1 µA
  • Very Low IQ (Enabled) … 11 µA
  • Startup Time … 85 µs
  • Low Dropout … 95 mV typ

Package

  • 4-Bump DSBGA (lead free)
    0.815 mm × 0.815 mm × 0.600 mm
  • Stable with 1.0 µF Ceramic Input and Output Capacitors
  • No Noise Bypass Capacitor Required
  • Remote Output Capacitor Placement
  • Thermal-overload and Short-circuit Protection
  • –40°C to +125°C Junction Temperature Range for Operation

Key Specifications

  • Input Voltage Range … 2.2V to 5.5V
  • Output Voltage Range … 1.2V to 4.4V
  • Output Current … 200 mA
  • Low Output Voltage Noise at
    200 mA … 6.5µVRMS
  • PSRR … 78 dB at 1kHz
  • Output Voltage Tolerance … ± 2%
  • Virtually Zero IQ (Disabled) … <1 µA
  • Very Low IQ (Enabled) … 11 µA
  • Startup Time … 85 µs
  • Low Dropout … 95 mV typ

Package

  • 4-Bump DSBGA (lead free)
    0.815 mm × 0.815 mm × 0.600 mm

The LP5904 is a linear regulator capable of supplying 200 mA output current. Designed to meet the requirements of RF/ Analog circuits, the LP5904 device provides low noise, high PSRR, low quiescent current, and low line transient response figures. Using new innovative design techniques the LP5904 offers class-leading device noise performance without a noise bypass capacitor and the ability for remote output capacitor placement. An active pulldown circuit with a 280Ω resistor is wired from the output to ground pins to quickly discharge output when the device is disabled (VEN = low).

The device is designed to work with a 1.0 µF input and a 1.0 µF output ceramic capacitor. (No Bypass Capacitor is required.)

The device is available in a DSBGA package. For other package options contact your local TI sales office.

This device is available between 1.2V and 4.4V in
25 mV steps. Please contact Texas Instruments Sales for specific voltage option needs.

The LP5904 is a linear regulator capable of supplying 200 mA output current. Designed to meet the requirements of RF/ Analog circuits, the LP5904 device provides low noise, high PSRR, low quiescent current, and low line transient response figures. Using new innovative design techniques the LP5904 offers class-leading device noise performance without a noise bypass capacitor and the ability for remote output capacitor placement. An active pulldown circuit with a 280Ω resistor is wired from the output to ground pins to quickly discharge output when the device is disabled (VEN = low).

The device is designed to work with a 1.0 µF input and a 1.0 µF output ceramic capacitor. (No Bypass Capacitor is required.)

The device is available in a DSBGA package. For other package options contact your local TI sales office.

This device is available between 1.2V and 4.4V in
25 mV steps. Please contact Texas Instruments Sales for specific voltage option needs.

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類型 標題 日期
* Data sheet LP5904 Ultra Low Noise 200mA Linear Reg for RF/Analog Circuits datasheet (Rev. G) 2013年 4月 17日
Selection guide Power Management Guide 2018 (Rev. R) 2018年 6月 25日
User guide AN-2161 LP5904 DSBGA Evaluation Board Information (Rev. A) 2013年 4月 30日
Application note AN-2146 Power Design for SDI and Other Noise-Sensitive Devices (Rev. A) 2013年 4月 26日

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