2 Performance Specification Summary

A summary of the TPS54427 performance specifications is provided in Table 2-1. Specifications are given for an input voltage of V_IN = 12 V and an output voltage of 1.05 V, unless otherwise noted. The ambient temperature is 25°C for all measurements, unless otherwise noted.

Table 2-1 TPS54427 Performance Specifications Summary

SPECIFICATIONS	TEST CONDITIONS	MIN	TYP	MAX	UNIT
Input voltage range, V_IN		4.5	12	18	V
Output voltage, V_OUT			1.05		V
Operating frequency	V_IN = 12 V, I_O = 4 A		650		kHz
Output current range		0		4	A
Line regulation	I_O = 2.5 A		±0.33		%
Load regulation	V_IN = 12 V		±0.15		%
Overcurrent limit	V_IN = 12 V, L_O = 1.5 µH	4.6	5.3	6.8	A
Output ripple voltage	V_IN = 12 V, I_O = 4 A		15		mV_PP
Maximum efficiency	V_IN = 5 V, I_O= 0.7 A		88		%