Datasheet
SLOS389A – 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
OO
| Output offset voltage (measured differentially) V
I
= V
DD
/2, I
O
= 0 A 14 100 mV
|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
n
Integrated output noise voltage f = <1 Hz to 10 kHz 40 µV
V
ICM
Common mode voltage range
V
DD
= 5 V 1.2 3.8
V
V
ICM
Common-mode voltage range
V
DD
= 3.3 V 1.2 2.1
V
A
v
Closed-loop voltage gain 2.1 2.34 2.6 V/V
Full power bandwidth 60 kHz
V
O
Voltage out
p
ut (measured differentially)
I
O
= ±1 A, r
ds(on)
= 65 mΩ, V
DD
= 5 V 4.87
V
V
O
Voltage output (measured differentially)
I
O
= ±3 A, r
ds(on)
= 65 mΩ, V
DD
= 5 V 4.61
V
V
DD
= 5 V, I
O
= 4 A,
High side 25 60 95
mΩ
r
DS( )
Drain source on state resistance
V
DD
=
5
V
,
I
O
=
4
A
,
T
A
= 25°C
Low side 25 65 95
mΩ
r
DS(on)
Drain-source on-state resistance
V
DD
= 3.3 V, I
O
= 4 A,
High side 25 80 140
mΩ
V
DD
=
3
.
3
V
,
I
O
=
4
A
,
T
A
= 25°C
Low side 25 90 140
mΩ
Maximum continuous current output 3 A
Status flag output pins (FAULT0, FAULT1)
Fault active (open drain output)
Sinking 200 µA 0.1 V
External clock frequency range
For 500 kHz operation 225 250 275
kHz
External clock frequency range
For 100 kHz operation 45 50 55
kHz
I
Quiescent current
V
DD
= 5 V, No load or filter 2 6.2 12
mA
I
q
Quiescent current
V
DD
= 3.3 V, No load or filter 2 4.6 8
mA
I
q(SD)
Quiescent current in shutdown mode V
DD
= 5 V, SHUTDOWN = 0.8 V 0 0.1 50 µA
Output resistance in shutdown SHUTDOWN = 0.8 V 2 kΩ
Power-on threshold 1.7 2.8 V
Power-off threshold 1.6 2.6 V
Thermal trip point FAULT0 active 130 °C
Z
I
Input impedance (IN+, IN–) 100 kΩ
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
ROSC
COSC
AREF
IN+
IN–
SHUTDOWN
32 26
11 12 13 14 15
FAULT1
FAULT0
PVDD
PVDD
OUT–
FREQ
INT/EXT
PVDD
PVDD
OUT+
16
OUT+
25
OUT–
PVDD
OUT–
PowerPAD
PVDD
OUT+