Datasheet

www.ti.com

Electrical Performance Specifications

3 Electrical Performance Specifications

Table 1. TPS53313EVM-078 Electrical Performance Specifications

(1)

PARAMETER TEST CONDITIONS MIN TYP MAX UNITS

Input Characteristic

Voltage range VIN 8.0 12 14 V

Maximum input current VIN = 12 V 0.8 A

No load input current VIN = 12 V, IOUT = 0 A, f

= 600 kHz under skip 8.0

mode

Output Characteristics

Output voltage 1.2 V

Output voltage regulation Setpoint accuracy, -1% 1%

(VIN = 8.0 V – 14 V, IOUT = 0 A – 6 A)

Line regulation, 0.1%

(VIN = 8.0 V – 14 V, IOUT = 6 A)

Load regulation, 0.2%

(VIN = 12 V, IOUT = 0 A – 6 A)

Output voltage ripple VIN = 12 V, IOUT = 6 A 10 mV

Output load current 0 6.0

Over current limit (peak) VIN = 12 V 9

Systems Characteristics

Switching frequency 600/1000 kHz

Peak efficiency VIN = 12 V, IOUT = 3.0 A, f

= 600 kHz 85.5%

Full load efficiency VIN = 12 V, IOUT = 6.0 A, f

= 600 kHz 82.4%

Operating temperature 25 ºC

(1)

Jumpers set to default locations, See section 6 of this user’s guide

SLUU819–December 2011 6-A Step-Down Regulator with Integrated Switcher

Submit Documentation Feedback