Texas Instruments TPS53125EVM-599 specifications Line and Load Regulation

www.ti.com TPS53125EVM-599 Test Data

	100
		VI =￿8￿V
	90
	80
-%￿	70			VI =￿12￿V
η -EFFICIENCY￿￿	60		VI =￿22￿V
	50
	40
	30
	20
	10
	0
	0	0.5	1	1.5	2	2.5	3	3.5	4	4.5
				ILOAD -￿LOAD￿CURRENT￿- A
VIN = 8 V – 22 V, VOUT2 = 1.80 V, IOUT2 = 0 A – 4 A

Figure 4. TPS53125EVM-599 Efficiency vs Load Current

6.2Line and Load Regulation

	1.07
	1.065
-V￿							VI =￿22￿V
VOLTAGE￿￿						VI =￿12￿V
	1.06
-OUTPUT￿
				VI =￿8￿V
O
V
	1.055
	1.05
	0	0.5	1	1.5	2	2.5	3	3.5	4	4.5
				ILOAD -￿LOAD￿CURRENT￿- A
VIN = 8 V – 22 V, VOUT1 = 1.05 V, IOUT = 0 A – 4 A

Figure 5. TPS53125EVM-599 Output Voltage vs Load Current

SLVU392 –July 2010 TPS53125EVM-599 9

Copyright © 2010, Texas Instruments Incorporated