Datasheet

3.3 Electrical Characteristics
Electrical Specifications www.ti.com
The electrical characteristics of the TPS2358EVM are as listed in Table 3 .
Table 3. Electrical Characteristics, TPS2358EVM
(1)
PARAMETER CONDITIONS MIN TYP MAX UNITS
UNLESS OTHERWISE NOTED: V
IN
(12VINx) and V
IN
(3V3INx) per Table 2 under (for specified V
OUT
). T
A
= 25 ° C
EN12x = HI, ORENx = HI,
Output Voltage, Payload Power Out (either channel) 10.8 13.2 V
I
LPWR
< I
LPWR_MAX
3.46
Output Voltage, Mgmt Power Out (either channel) EN3x = HI, I
LMP
< I
LMP_MAX
3.135 V
5
Current limit threshold, Payload Power (either channel) 7.4 8.36 9.1 A
Current limit threshold, Mgmt Power (either channel) 170 195 225 mA
Fast trip threshold, Payload Power (either channel) 24.5 A
Fast trip threshold, Mgmt Power (either channel) 400 mA
Output capacitance, Payload Power (C
L_PWR
) (each
All 4 load caps connected 704 880 1056 µ F
channel)
Output capacitance, Mgmt Power (C
L_MP
) (each channel) Load cap connected 120 150 180 µ F
V
IN
= 12V–13.2V,
Output ramp time, Payload Power V
O
= 0V to 98% × V
IN
, 1.31 2.01 mS
R
LOAD
= 1K, C
LOAD
= C
L_PWR
V
IN
= 3.3V–3.465V,
Output ramp time, Mgmt Power V
O
= 0 V to 98% V
IN
, 2.57 3.74 mS
R
LOAD
= 270, C
LOAD
= CL_MP
(1)
All voltages are with respect to the EVM GND node.
4 TPS2358 Dual-Slot ATCA™ AdvancedMC™ Controller Evaluation Module SLUU328 – August 2008
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