Datasheet

3.3 Electrical Characteristics
www.ti.com Electrical Specifications
The electrical characteristics of the TPS2459EVM are as listed in Table 3 .
Table 3. Electrical Characteristics, TPS2459EVM
(1)
PARAMETER CONDITIONS MIN TYP MAX UNITS
Output voltage, payload power out
ENx = OREN = HI, I
LPWR
< I
LPWR_MAX
10.8 13.2
(SLOT_PWR)
V
Output voltage, mgmt power out
EN3 = HI, I
LMP
< I
LMP_MAX
3.135 3.465
(SLOT_MP)
Current limit threshold, payload power 7.4 8.36 9.1 A
Current limit threshold, mgmt power 170 195 225 mA
Fast trip threshold, payload power 24.5 A
Fast trip threshold, mgmt power 400 mA
Output capacitance, payload power
All four load caps connected 704 880 1056
(CL_PWR)
µ F
Output capacitance, mgmt power
Load cap connected 120 150 180
(CL_MP)
V
IN
= 12 V - 13.2 V, V
O
= 0 V to 98% x V
IN
,
Output ramp time, payload power 1.31 2.01 ms
R
LOAD
= 1 k Ω , C
LOAD
= C
L_PWR
V
IN
= 3.3 V - 3.465 V, V
O
= 0 V to 98% V
IN
,
Output ramp time, mgmt power 2.57 3.74 ms
R
LOAD
= 270, C
LOAD
= C
L_MP
(1)
All voltages are with respect to the EVM GND node.
SLUU349 – March 2009 TPS2459 Full-Featured AdvancedMC™ Slot Controller Evaluation Module 5
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