Datasheet

Electrical Performance Specifications www.ti.com
2 Electrical Performance Specifications
Table 1. TPS53355EVM-743 Electrical Performance Specifications
Parameters Test Conditions Min Typ Max Units
Input Characteristics
Voltage range V
IN
8 12 14 V
Maximum input current V
IN
= 8 V, I
O
= 30 A 6.3 A
No load input current V
IN
= 14 V, I
O
= 0 A with auto-skip mode 1 mA
Output Characteristics
Output voltage VOUT 1.5 V
Line regulation (V
IN
= 8 V – 14 V) 0.1 %
Output voltage regulation
Load regulation (V
IN
= 12 V, I
O
= 0 A – 30 A) 1 %
Output voltage ripple V
IN
= 12 V, I
O
= 30 A 20 mVpp
Output load current 0 30 A
Output overcurrent 34 A
Systems Characteristics
Switching frequency 500 kHz
Peak efficiency V
IN
= 12 V, 1.5 V/10 A 91.87 %
Ful-load efficiency V
IN
= 12 V, 1.5V/30 A 89.46 %
Operating temperature 25 °C
NOTE: Jumpers are set to default locations; see Section 5 of this user’s guide
4
Using the TPS53355EVM-743, High-Efficiency, 30-A, Synchronous Buck SLUU522– August 2011
Converter With Eco-mode™— Control Scheme
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