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LT3086EFE#TRPBF

2.1A LDO, adjustable, 1.4-40V, parallelable, TSSOP-20

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Pieza del fabricante：

LT3086EFE#TRPBF

Paquete：

TSSOP-20 (6.5x4.4mm)

Marca：
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Descripción

Productos

The LT3086EFE#TRPBF from Analog Devices is a 2.1A adjustable LDO regulator with 1.4-40V input, 340mV dropout, SET pin current-source reference, and parallel operation capability in TSSOP-20.

Especificaciones

Corriente de salida 2.1A
Input Range 1.4-40V
Output Range 0.4-34V adjustable
Dropout 340mV @ 2.1A
Reference 50uA current source SET pin
Temp -40~125C

Características

  • 2.1A output current
  • 1.4-40V wide input range
  • 340mV low dropout
  • Current-source reference (no resistor noise)
  • Parallel operation for higher current
  • Programmable current limit

Aplicaciones

  • Industrial power supplies
  • Post-regulation for DC-DC
  • Battery-powered systems
  • High-current LDO rails
  • Automotive electronics

The LT3086EFE#TRPBF from Analog Devices is a 2.1A adjustable LDO regulator with 1.4-40V input, 340mV dropout, SET pin current-source reference, and parallel operation capability in TSSOP-20.

The LT3086EFE#TRPBF is a 2.1A adjustable LDO from Analog Devices (formerly Linear Tech) in TSSOP-20 with 1.4V to 40V input range. Unlike conventional LDOs that use a voltage-reference-and-feedback-divider architecture, the LT3086 uses a current-source reference: a precision 50uA current flows out of the SET pin through an external resistor RSET to ground. The output voltage is VOUT = 50uA x RSET. This architecture eliminates the feedback divider noise and allows VOUT to go to 0V (unlike fixed-reference LDOs limited to the reference voltage). The IMON pin provides an analog voltage proportional to load current for monitoring without a sense resistor. The ITH pin allows external compensation and sets the current limit via an external resistor. Multiple LT3086 devices can be paralleled by tying SET pins together and using ballast resistors on each output, enabling >2.1A output. The device achieves 1.2V dropout at 2.1A and includes thermal limiting and reverse-battery protection.

Pin Nombre Tipo Función
1 EN Entrada de alimentación Input supply (1.4-40V)
2 OUT Salida Regulated output (up to 2.1A)
3 SET Analógico Output voltage set pin (connect RSET to GND)
4 GND Potencia Suelo
5 IMON Salida Current monitor output (proportional to IOUT)
6 ITH Analógico Loop compensation / current limit set
7 MIN Entrada Minimum input voltage monitor
8 PG Salida Power good indicator (open-drain)
9 EN Entrada de alimentación Input supply (paralleled)
10 OUT Salida Output (paralleled)
11-20 GND/OUT/IN/NC Potencia Ground and paralleled pins
  • Industrial power supplies
  • Post-regulation for DC-DC
  • Battery-powered systems
  • High-current LDO rails
  • Automotive electronics
    • Fabricante Número de pieza Paquete Notas
    Dispositivos analógicos LT3086EFE#PBF TSSOP-20 Same device, tube package
    Dispositivos analógicos LT3085ETS8 TSOT-23-8 500mA version, same architecture
    Texas Instruments TPS7A4700RGWR VQFN-20 1A, ultra-low noise, 36V
    Dispositivos analógicos LT3045EMSE MSOP-10 500mA, 0.8uV RMS noise
    Texas Instruments TPS7A8300RGRR VQFN-20 2A, ultra-low noise LDO
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