Datasheet


SLVS397C − JULY 2001 − REVISED FEBRUARY 2005
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4
ELECTRICAL CHARACTERISTICS Continued
T
J
= –40°C to +125°C, V
I
= 3 V to 6 V over operating free-air temperature range (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
OSCILLATOR (CONTINUED)
Output saturation voltage, STATUS I
(sink)
= 2.5 mA 0.18 0.3 V
Leakage current, STATUS V
I
= 5.5 V 1 µA
Current limit trip point
VIN = 3 V
(1)
7 10
A
Current limit trip point
VIN = 6 V
(1)
10 12
A
Current limit leading edge blanking time 100 ns
Current limit total response time 200 ns
Thermal shutdown trip point
(1)
135 150 165 °C
Thermal shutdown hysteresis
(1)
10 °C
r
DS(on)
Low/high-side N-MOSFET
I
O
= 6A, V
I
= 3 V
(3)
36 65
mΩ
r
DS(on
)
Low/high-side N-MOSFET
I
O
= 6A, V
I
= 6 V
(3)
26 47
m
Ω
(1)
Ensured by design
(2)
Static resistive loads only
(3)
Matched MOSFETs, low side r
DS(on)
production tested, high side r
DS(on)
ensured by design
PIN ASSIGNMENTS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
AGND
VSENSE
COMP
STATUS
BOOT
PH
PH
PH
PH
PH
PH
PH
PH
PH
RT
ENA
REFIN
VBIAS
VIN
VIN
VIN
VIN
VIN
PGND
PGND
PGND
PGND
PGND
PWP PACKAGE
(TOP VIEW)
THERMAL
PAD