LM26001-Q1 1.5A Switching Regulator with High Efficiency Sleep Mode | TI.com

LM26001-Q1 (ACTIVE)

1.5A Switching Regulator with High Efficiency Sleep Mode

 

Recommended alternative parts

  • LM26001  - The device has SIMILAR FUNCTIONALITY but is not functionally equivalent to the compared device. 
  • LM26001B  -  18V Max Input Voltage
  • LM26003  -  3A Version
  • LM26003-Q1  -  3A Version

Description

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.

Features

  • 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

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WEBENCH® Designer LM26001-Q1

  Min   Max Range
Vin  V 4.0 to 38.0V
Vout  V 1.25 to 25V
Iout  A ≤ 1.5A
Ambient Temp  °C -40 to 125°C

Parametrics

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Part number Order Vin (Min) (V) Vin (Max) (V) Vout (Min) (V) Vout (Max) (V) Iout (Max) (A) Regulated outputs (#) Switching frequency (Min) (kHz) Switching frequency (Max) (kHz) Iq (Typ) (mA) Features Control mode Duty cycle (Max) (%) Operating temperature range (C) Rating Package Group Type Package size: mm2:W x L (PKG)
LM26001-Q1 Order now 3     38     1.25     35     1.5     1     150     500     0.038     Enable
Forced PWM
Frequency Synchronization
Light Load Efficiency
Over Current Protection
Power Good
Pre-Bias Start-Up    
Current Mode     98     -40 to 125     Automotive     HTSSOP | 16     Converter     16HTSSOP: 32 mm2: 6.4 x 5 (HTSSOP | 16)    
LM26001 Order now 3     38     1.25     35     1.5     1     150     500     0.038     Enable
Forced PWM
Frequency Synchronization
Light Load Efficiency
Over Current Protection
Power Good    
Current Mode     98     -40 to 125     Catalog     HTSSOP | 16     Converter     16HTSSOP: 32 mm2: 6.4 x 5 (HTSSOP | 16)    
LM26003 Order now 3     38     1.25     35     3     1     150     500     0.04     Enable
Light Load Efficiency
Over Current Protection
Power Good
Pre-Bias Start-Up    
Current Mode     98     -40 to 125     Catalog     HTSSOP | 20     Converter     20HTSSOP: 42 mm2: 6.4 x 6.5 (HTSSOP | 20)    
LM53600-Q1 Order now 3.5     42     3.3     9.9     0.65     1     1890     2400     0.023     Enable
Fixed Output
Forced PWM
Frequency Synchronization
Light Load Efficiency
Over Current Protection
Power Good
Spread Spectrum
Synchronous Rectification
Wettable Flanks Package    
Current Mode     98     -40 to 150     Automotive     WSON | 10     Converter     See datasheet (WSON)    
LM53601-Q1 Order now 3.5     42     3.2     6     1     1     1890     2400     0.023     Enable
Fixed Output
Forced PWM
Frequency Synchronization
Light Load Efficiency
Power Good
Soft Start Fixed
Spread Spectrum
Synchronous Rectification
UVLO Fixed
Wettable Flanks Package    
Current Mode     98     -40 to 150     Automotive