TLV62569 2.5V-5.5V input, 2-A high efficiency step-down buck converter in SOT23 and SOT563 package | TI.com

TLV62569
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2.5V-5.5V input, 2-A high efficiency step-down buck converter in SOT23 and SOT563 package

2.5V-5.5V input, 2-A high efficiency step-down buck converter in SOT23 and SOT563 package - TLV62569
Datasheet
TLV62569 2-A High Efficiency Synchronous Buck Converter in SOT Package datasheet (Rev. C)
 

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  • TLV62569A  -  2.5V-5.5V input, 2A high efficiency step-down buck converter with forced PWM in small SOT563 package

Description

The TLV62569 device is a synchronous step-down buck DC-DC converter optimized for high efficiency and compact solution size. The device integrates switches capable of delivering an output current up to 2 A.

At medium to heavy loads, the device operates in pulse width modulation (PWM) mode with 1.5-MHz switching frequency. At light load, the device automatically enters Power Save Mode (PSM) to maintain high efficiency over the entire load current range. In shutdown, the current consumption is reduced to less than 2 µA.

The TLV62569 provides an adjustable output voltage via an external resistor divider. An internal soft start circuit limits the inrush current during startup. Other features like over current protection, thermal shutdown protection and power good are built-in. The device is available in a SOT23 and SOT563 package.

Features

  • Up to 95% Efficiency
  • Low RDS(ON) Switches 100 mΩ / 60 mΩ
  • 2.5-V to 5.5-V Input Voltage Range
  • Adjustable Output Voltage from 0.6 V to VIN
  • Power Save Mode for Light Load Efficiency
  • 100% Duty Cycle for Lowest Dropout
  • 35-µA Operating Quiescent Current
  • 1.5-MHz Typical Switching Frequency
  • Power Good Output
  • Over Current Protection
  • Internal Soft Startup
  • Thermal Shutdown Protection
  • Available in SOT Package
  • Pin-to-Pin Compatible with TLV62568
  • Create a Custom Design Using the TLV62569 With the WEBENCH® Power Designer

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WEBENCH® Power Designer is now even easier to use. Try it now.

WEBENCH® Designer TLV62569

  Min   Max Range
Vin –  V 2.5 to 5.5V
Vout  V 0.6 to 5.5V
Iout  A ≤ 2A
Ambient Temp  °C -40 to 125°C

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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) Package Group Rating Type Package size: mm2:W x L (PKG)
TLV62569 Order now 2.5     5.5     0.6     5.5     2     1     1500     1500     0.035     Enable
Light Load Efficiency
Power Good
Synchronous Rectification    		 Constant on-time (COT)     100     -40 to 125     SOT-23-THIN | 6
SOT-23 | 5
SOT-5X3 | 6    		 Catalog     Converter     5SOT-23: 5 mm2: 1.6 x 2.9 (SOT-23 | 5)
6SOT-23-THIN: 5 mm2: 1.6 x 2.9 (SOT-23-THIN | 6)
6SOT-5X3: 2 mm2: 1.2 x 1.6 (SOT-5X3 | 6)    
TLV62568 Order now 2.5     5.5     0.6     5.5     1     1     1500     1500     0.035     Enable
Light Load Efficiency
Power Good
Synchronous Rectification    		 Constant on-time (COT)     100     -40 to 125     SOT-23-THIN | 6
SOT-23 | 5
SOT-5X3 | 6    		 Catalog     Converter     5SOT-23: 5 mm2: 1.6 x 2.9 (SOT-23 | 5)
6SOT-23-THIN: 5 mm2: 1.6 x 2.9 (SOT-23-THIN | 6)
6SOT-5X3: 2 mm2: 1.2 x 1.6 (SOT-5X3 | 6)    
TLV62568A Order now 2.5     5.5     0.6     5.5     1     1     1500     1500     0.035     Enable
Forced PWM
Power Good
Synchronous Rectification    		 Constant on-time (COT)     100     -40 to 125     SOT-5X3 | 6     Catalog     Converter     6SOT-5X3: 2 mm2: 1.2 x 1.6 (SOT-5X3 | 6)    
TLV62569A Order now 2.5     5.5     0.6     5.5     2     1     1500     1500     0.035     Enable
Forced PWM
Power Good
Synchronous Rectification    		 Constant on-time (COT)     100     -40 to 125     SOT-5X3 | 6     Catalog     Converter     6SOT-5X3: 2 mm2: 1.2 x 1.6 (SOT-5X3 | 6)    
TLV62585 Order now 2.5     5.5     0.6     5.5     3     1     1500     1600     0.035     Enable
Light Load Efficiency
Output Discharge
Over Current Protection
Power Good
Pre-Bias Start-Up
Synchronous Rectification
UVLO Fixed    		 Current Mode     100     -40 to 125