LM26001B

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Regulador de conmutación de 1.5 A con modo de suspensión de alta eficiencia

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Hoja de datos

document-pdfAcrobat LM26001B 1.5A Switching Regulator with High Efficiency Sleep Mode datasheet (Rev. B) (Inglés)

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LM26001B

ACTIVO

Hoja de datos

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Detalles del producto

Rating

Catalog

Topology

Buck

Iout (max) (A)

1.5

Vin (max) (V)

18

Vin (min) (V)

3

Vout (max) (V)

16

Vout (min) (V)

1.25

Features

Enable, Light Load Efficiency, Power good, Pre-Bias Start-Up

Control mode

current mode

Operating temperature range (°C)

-40 to 125

Iq (typ) (A)

0.000038

Duty cycle (max) (%)

98

Rating

Catalog

Topology

Buck

Iout (max) (A)

1.5

Vin (max) (V)

18

Vin (min) (V)

3

Vout (max) (V)

16

Vout (min) (V)

1.25

Features

Enable, Light Load Efficiency, Power good, Pre-Bias Start-Up

Control mode

current mode

Operating temperature range (°C)

-40 to 125

Iq (typ) (A)

0.000038

Duty cycle (max) (%)

98

HTSSOP (PWP)

16

32 mm² (5 mm × 6.4 mm)

High Efficiency Sleep Mode
40 µA Typical Iq in Sleep Mode
10 µA Typical Iq in Shutdown Mode
3.0V Minimum Input Voltage
4.0V to 18V Continuous Input Range
2.0% Reference Accuracy
Cycle-by-Cycle Current Limit
Adjustable Frequency (150 kHz to 500 kHz)
Synchronizable to an External Clock
Power Good Flag
Forced PWM Function
Adjustable Soft-Start
HTSSOP-16 Exposed Pad Package
Thermal Shut Down

All trademarks are the property of their respective owners.

High Efficiency Sleep Mode
40 µA Typical Iq in Sleep Mode
10 µA Typical Iq in Shutdown Mode
3.0V Minimum Input Voltage
4.0V to 18V Continuous Input Range
2.0% Reference Accuracy
Cycle-by-Cycle Current Limit
Adjustable Frequency (150 kHz to 500 kHz)
Synchronizable to an External Clock
Power Good Flag
Forced PWM Function
Adjustable Soft-Start
HTSSOP-16 Exposed Pad Package
Thermal Shut Down

All trademarks are the property of their respective owners.

The LM26001B is a switching regulator designed for the high efficiency requirements of applications with stand-by modes. The device features a low-current sleep mode to maintain efficiency under light-load conditions and current-mode control for accurate regulation over a wide input voltage range. Quiescent current is reduced to 10 µA typically in shutdown mode and less than 40 µA in sleep mode. Forced PWM mode is also available to disable sleep mode.

The LM26001B can deliver up to 1.5A of continuous load current with a fixed current limit, through the internal N-channel switch. The part has a wide input voltage range of 4.0V to 18V and can operate with input voltages as low as 3V during line transients.

Operating frequency is adjustable from 150 kHz to 500 kHz with a single resistor and can be synchronized to an external clock.

Other features include Power good, adjustable soft-start, enable pin, input under-voltage protection, and an internal bootstrap diode for reduced component count.

The LM26001B is a switching regulator designed for the high efficiency requirements of applications with stand-by modes. The device features a low-current sleep mode to maintain efficiency under light-load conditions and current-mode control for accurate regulation over a wide input voltage range. Quiescent current is reduced to 10 µA typically in shutdown mode and less than 40 µA in sleep mode. Forced PWM mode is also available to disable sleep mode.

The LM26001B can deliver up to 1.5A of continuous load current with a fixed current limit, through the internal N-channel switch. The part has a wide input voltage range of 4.0V to 18V and can operate with input voltages as low as 3V during line transients.

Operating frequency is adjustable from 150 kHz to 500 kHz with a single resistor and can be synchronized to an external clock.

Other features include Power good, adjustable soft-start, enable pin, input under-voltage protection, and an internal bootstrap diode for reduced component count.

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Documentación principal	Tipo	Título	Opciones de formato	Descargar la versión más reciente en inglés	Fecha
*	Hoja de datos	LM26001B 1.5A Switching Regulator with High Efficiency Sleep Mode datasheet (Rev. B)			3/04/2013

Diseño y desarrollo

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