Datasheet


SLOS390A – NOVEMBER 2001– REVISED MAY 2002
www.ti.com
3
ELECTRICAL CHARACTERISTICS
over operating free-air temperature range unless otherwise noted
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
V
Voltage output (measured differentially)
V5V
I
O
= ±1 A, r
ds(on)
= 65 mΩ 4.87
V
V
O
Voltage output (measured differentially) V
DD
= 5 V
I
O
= ±3 A, r
ds(on)
= 65 mΩ 4.61
V
|I
IH
| High-level input current V
DD
= 5.5V, V
I
= V
DD
1 µA
|I
IL
| Low-level input current V
DD
= 5.5V, V
I
= 0 V 1 µA
V
DD
= 5 V,
I
O
4A
High side 25 60 95
mΩ
r
Output on resistance
I
O
= 4 A,
T
A
= 25°C
Low side 25 65 95
mΩ
r
DS(on)
Output on-resistance
V
DD
= 3.3 V,
I
O
4A
High side 25 80 140
mΩ
I
O
= 4 A,
T
A
= 25°C
Low side 25 90 140
mΩ
Maximum continuous current output 3 A
Output resistance in shutdown SHUTDOWN = 0.8 V 1 2 3.5 kΩ
Switching frequency 0 (dc) 1 MHz
Status flag output pins (FAULT0, FAULT1)
Fault active (open drain output)
Sinking 200 µA 0.1 V
I
Qi t t
V
DD
= 5 V
Nithi
0 0.5 1.5
A
I
q
Quiescent current
V
DD
= 3.3 V
No switching
0 0.3 1
mA
I
q(SD)
Quiescent current in shutdown mode SHUTDOWN = 0.8 V 0.01 50 µA
PIN ASSIGNMENTS
VFP PACKAGE
(TOP VIEW)
31 30 29 28 27
910
1
2
3
4
5
6
7
8
24
23
22
21
20
19
18
17
OUT+
PGND
PGND
PGND
PGND
PGND
PGND
OUT–
AVDD
AGND
HI-Z
FAULT1
FAULT0
IN+
IN–
SHUTDOWN
32 26
11 12 13 14 15
PVDD PVDD PVDD PVDD
OUT–
PVDD PVDD PVDD OUT+ OUT+
16
OUT+
25
OUT– OUT– OUT–
PowerPAD
PVDD
OUT+