TPS82695 500-mA, High-Efficiency MicroSiP™ Step-Down Converter (Profile <1mm). Vout=2.5V | TI.com

TPS82695 (ACTIVE) 500-mA, High-Efficiency MicroSiP™ Step-Down Converter (Profile <1mm). Vout=2.5V

 

Description

The TPS8269xSIP device is a complete 500mA, DC/DC step-down power supply intended for low-power applications. Included in the package are the switching regulator, inductor and input/output capacitors. No additional components are required to finish the design.

The TPS8269xSIP is based on a high-frequency synchronous step-down dc-dc converter optimized for battery-powered portable applications. The MicroSIP DC/DC converter operates at a regulated 4-MHz switching frequency and enters the power-save mode operation at light load currents to maintain high efficiency over the entire load current range.

The PFM mode extends the battery life by reducing the quiescent current to 24µA (typ) during light load operation. For noise-sensitive applications, the device has PWM spread spectrum capability providing a lower noise regulated output, as well as low noise at the input. These features, combined with high PSRR and AC load regulation performance, make this device suitable to replace a linear regulator to obtain better power conversion efficiency.

The TPS8269xSIP is packaged in a compact (2.3mm x 2.9mm) and low profile (1.0mm) BGA package suitable for automated assembly by standard surface mount equipment.

Features

  • Total Solution Size <6.7 mm2
  • 95% Efficiency at 4MHz Operation
  • 24µA Quiescent Current
  • High Duty-Cycle Operation
  • Load and Line Transient
  • ±2% Total DC Voltage Accuracy
  • Automatic PFM/PWM Mode Switching
  • Low Ripple Light-Load PFM Mode
  • Excellent AC Load Regulation
  • Internal Soft Start, 130-µs Start-Up Time
  • Integrated Active Power-Down Sequencing (Optional)
  • Current Overload and Thermal Shutdown Protection
  • Sub 1-mm Profile Solution

Parametrics

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Part number Order Iout (Max) (A) Vin (Min) (V) Vin (Max) (V) Vout (Min) (V) Vout (Max) (V) Soft start Features Iq (Typ) (mA) Regulated outputs (#) Package size: mm2:W x L (PKG) Switching frequency (Max) (kHz) Switching frequency (Min) (kHz) Switching frequency (Typ) (kHz) Topology Operating temperature range (C) Duty cycle (Max) (%) Package Group Type
TPS82695 Order now 0.5     2.3     4.35     2.5     2.5     Fixed     Enable
Light Load Efficiency
Output Discharge    
0.024     1     8uSiP: 7 mm2: 2.9 x 2.3 (uSiP | 8)     4400     3600     4000     Buck
Synchronous Buck    
-40 to 85     86     uSiP | 8     Module    
TPS82671 Order now 0.6     2.3     4.8     1.8     1.8     Fixed     Enable
Light Load Efficiency
Spread Spectrum    
0.017     1     8uSiP: 7 mm2: 2.9 x 2.3 (uSiP | 8)     6000     4900     5500     Buck
Synchronous Buck    
-40 to 85     78     uSiP | 8     Module    
TPS82698 Order now 0.8     2.3     4.8     3     3     Fixed     Enable
Light Load Efficiency
Output Discharge
Spread Spectrum    
0.023     1     8uSiP: 7 mm2: 2.9 x 2.3 (uSiP | 8)     3300     2700     3000     Buck
Synchronous Buck    
-40 to 85     90     uSiP | 8     Module    
TPS82740A Samples not available 0.2     2.2     5.5     1.8     2.5     Fixed     Enable
Light Load Efficiency
Output Discharge    
0.00036     1       1700     700     1200     Buck
Synchronous Buck    
-40 to 85     100       Module    
TPS82740B Order now 0.2     2.2     5.5     2.6     3.3     Fixed     Enable
Light Load Efficiency
Output Discharge    
0.00036     1       1200     700     1700     Buck
Synchronous Buck    
-40 to 85     100       Module