LM26001-Q1

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document-pdfAcrobat LM26001/-Q1 1.5-A Switching Regulator With High-Efficiency Sleep Mode datasheet (Rev. I) (Inglés) PDF | HTML

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LM26001-Q1

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Detalles del producto

Rating

Automotive

Topology

Buck

Iout (max) (A)

1.5

Vin (max) (V)

38

Vin (min) (V)

3

Vout (max) (V)

35

Vout (min) (V)

1.25

Features

Adjustable soft start, Enable, Forced PWM, Frequency synchronization, Light-load efficiency, Overcurrent protection, Power good, Pre-bias startup

Control mode

current mode

Operating temperature range (°C)

-40 to 125

Iq (typ) (A)

0.000038

Duty cycle (max) (%)

98

Rating

Automotive

Topology

Buck

Iout (max) (A)

1.5

Vin (max) (V)

38

Vin (min) (V)

3

Vout (max) (V)

35

Vout (min) (V)

1.25

Features

Adjustable soft start, Enable, Forced PWM, Frequency synchronization, Light-load efficiency, Overcurrent protection, Power good, Pre-bias startup

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)

LM26001-Q1 is an Automotive-Grade Product that is AEC-Q100 Grade 1 Qualified (–40°C to +125°C Operating Junction Temperature)
High-Efficiency Sleep Mode
40-µA Typical Iq in Sleep Mode
10-µA Typical Iq in Shutdown Mode
3.0-V Minimum Input Voltage
4.0-V to 38-V Continuous Input Range
1.5% 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

LM26001-Q1 is an Automotive-Grade Product that is AEC-Q100 Grade 1 Qualified (–40°C to +125°C Operating Junction Temperature)
High-Efficiency Sleep Mode
40-µA Typical Iq in Sleep Mode
10-µA Typical Iq in Shutdown Mode
3.0-V Minimum Input Voltage
4.0-V to 38-V Continuous Input Range
1.5% 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

The LM26001 is a switching regulator designed for the high-efficiency requirements of applications with standby 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 LM26001 can deliver up to 1.5 A of continuous load current with a fixed current limit, through the internal N-channel switch. The part has a wide input voltage range of 4.0 V to 38 V and can operate with input voltages as low as 3 V 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 undervoltage protection, and an internal bootstrap diode for reduced component count.

For all available packages, see the orderable addendum at the end of the datasheet.

The LM26001 is a switching regulator designed for the high-efficiency requirements of applications with standby 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 LM26001 can deliver up to 1.5 A of continuous load current with a fixed current limit, through the internal N-channel switch. The part has a wide input voltage range of 4.0 V to 38 V and can operate with input voltages as low as 3 V 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 undervoltage protection, and an internal bootstrap diode for reduced component count.

For all available packages, see the orderable addendum at the end of the datasheet.

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Documentación principal	Tipo	Título	Opciones de formato	Descargar la versión más reciente en inglés	Fecha
*	Hoja de datos	LM26001/-Q1 1.5-A Switching Regulator With High-Efficiency Sleep Mode datasheet (Rev. I)	PDF \| HTML		30/03/2015

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