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Electrical Performance Specifications www.ti.com
3 Electrical Performance Specifications
Table 1. Electrical Performance Specifications
PARAMETER TEST CONDITIONS MIN TYP MAX UNITS
Input Characteristics
Input voltage range 36 48 72 V
No load input current V
IN
= 36 V, I
OUT
= 0 A 75 100 mA
Input undervoltage limit 35
V
Input overvoltage limit 73
Max input current V
IN
= 36 V, I
OUT
= 30 A 3 3.25 A
Input voltage ripple V
IN
= 72 V, I
OUT
= 30 A 1.5 1.75 Vpp
Output Characteristics
Output voltage 36 V < V
IN
< 72 V, 0 A < I
OUT
< 30 A 3.25 3.3 3.35 V
Output voltage regulation Line reg (36 V < V
IN
< 72 V, I
OUT
= 0 A) 0.00% 0.01%
-
Load reg (0 A < I
OUT
< 30 A, V
IN
= 48 V) 0.06% 0.10%
Output voltage ripple V
IN
= 48 V, I
OUT
= 30 A 30 35 mVpp
Output load current 36 V < V
IN
< 72 V 0 30
A
Output current limit 32
Short circuit protection Not provided
Systems Characteristics
Switching frequency 225 250 265
kHz
Control loop bandwidth 36 V < V
IN
< 72 V, I
OUT
= 10 A 5 7
Phase margin 50 60 °
Peak efficiency V
IN
= 36 V 93%
-
Full load efficiency V
IN
= 48 V, I
OUT
= 30 A 91%
4
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