Datasheet

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SLUS562A − JUNE 2003 − REVISED SEPTEMBER 2003
4
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ELECTRICAL CHARACTERISTICS (continued)
V
I(−VIN)
= −48 V with respect to RTN, V
I(EN)
= 2.8 V, V
I(ISENS)
= 0, all outputs unloaded, T
A
= −40_C to 85_C
(unless otherwise noted)
(1)(2)
PG output
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
I
OH
High-level output (leakage) current V
I(EN)
= 0 V, V
O(PG
)
= 65 V
10 µA
R
DS(ON)
Driver ON resistance V
I(ISENS)
= 80 mV, V
O(FLTTIME)
= 5V,
I
O(PG
)
= 1 mA
35 80 Ω
NOTES 1: All voltages are with respect to the −VIN terminal unless otherwise stated.
2: Currents are positive into and negative out of the specified terminal.
TERMINAL FUNCTIONS
TERMINAL I/O DESCRIPTION
NAME NO.
EN 2 I Enable input to turn on/off power to the load.
PG 1 O Open-drain, active-low indication of a load power good condition.
FLTTIME 3 I/O Connection for user-programming of the fault timeout period.
GATE 7 O Gate drive for external N-channel FET.
IRAMP 4 I/O Programming input for setting the inrush current slew rate.
ISENS 6 I Current sense input.
RTN 8 I Positive supply input for the TPS2398 and TPS2399.
−VIN 5 I Negative supply input and reference pin for the TPS2398 and TPS2399.
DGK PACKAGE
(TOP VIEW)
18
2
3
4
7
6
5
EN
FLTTIME
IRAMP
RTN
GATE
ISENS
−VIN
PG