Datasheet

Electrical Performance Specifications

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2 Electrical Performance Specifications

Table 1. TPS53311EVM-561 Electrical Performance Specifications

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PARAMETER TEST CONDITIONS MIN TYP MAX UNITS

INPUT CHARACTERISTICS

VIN Input Voltage range* Vin 2.9 3.3/5 6 V

Maximum input current Vin = 3.3 V,1.5 V/3 A, 1.2 V/3 A, FCCM 2.82 A

No load input current Vin=3.3 V, 1.5 V/0 A, 1.2 V/0 A, FCCM 40 mA

OUTPUT CHARACTERISTICS

Master Output voltage Vo_MST 1.485 1.5 1.515 V

Slave Output voltage Vo_SLV 1.188 1.2 1.212 V

Line regulation 0.1%

Output voltage regulation

Load regulation 1.0%

Output voltage ripple Vin=3.3 V, 1.5 V/0 A-3 A, 1.2 V/0 A-3 A 20 mVpp

Output load current 0 3 A

Output over current 4.5 A

SYSTEMS CHARACTERISTICS

Switching frequency Fixed 1.1 MHz

1.5-V full load efficiency Vin = 3.3 V, 1.5 V/3 A 88.82%

1.5-V full load efficiency Vin = 5 V, 1.5 V/3 A 89.50%

1.2-V full load efficiency Vin = 3.3 V, 1.2 V/3 A 86.50%

1.2-V full load efficiency Vin = 5 V, 1.2 V/3 A 87.32%

Operating temperature 25 ºC

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Jumpers set to default locations; see Section 5 of this user’s guide.

Using the TPS53311EVM-561, a 3-A Eco-mode™ Integrated Switcher With SLUU428A–July 2010–Revised November 2010

Master-Slave

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