DRV591 Datasheet, PDF (3/16 Pages) Texas Instruments – 3-A HIGH-EFFICIENCY PWM POWER DRIVER

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DRV591
SLOS389A – NOVEMBER 2001– REVISED MAY 2002
ELECTRICAL CHARACTERISTICS
over operating free-air temperature range unless otherwise noted
PARAMETER
TEST CONDITIONS
|VOO|
|IIH|
|IIL|
V_n
VICM
Av
VO
rDS(on)
Output offset voltage (measured differentially)
High-level input current
Low-level input current
Integrated output noise voltage
Common-mode voltage range
Closed-loop voltage gain
Full power bandwidth
Voltage output (measured differentially)
Drain-source on-state resistance
Maximum continuous current output
VI = VDD/2,
VDD = 5.5V,
VDD = 5.5V,
f = <1 Hz to 10 kHz
VDD = 5 V
VDD = 3.3 V
IO = 0 A
VI = VDD
VI = 0 V
IO = ±1 A, rds(on) = 65 mΩ, VDD = 5 V
IO = ±3 A, rds(on) = 65 mΩ, VDD = 5 V
VDD = 5 V, IO = 4 A,
TA = 25°C
High side
Low side
VDD = 3.3 V, IO = 4 A,
TA = 25°C
High side
Low side
Status flag output pins (FAULT0, FAULT1)
Fault active (open drain output)
Sinking 200 µA
External clock frequency range
For 500 kHz operation
For 100 kHz operation
Iq
Iq(SD)
Quiescent current
Quiescent current in shutdown mode
Output resistance in shutdown
VDD = 5 V, No load or filter
VDD = 3.3 V, No load or filter
VDD = 5 V, SHUTDOWN = 0.8 V
SHUTDOWN = 0.8 V
Power-on threshold
Power-off threshold
Thermal trip point
FAULT0 active
ZI
Input impedance (IN+, IN–)
MIN TYP MAX UNIT
14 100 mV
1 µA
1 µA
40
µV
1.2
3.8
V
1.2
2.1
2.1 2.34 2.6 V/V
60
kHz
4.87
V
4.61
25
60
95
mΩ
25
65
95
25
80 140
mΩ
25
90 140
3
A
0.1 V
225 250 275
kHz
45
50
55
2 6.2
2 4.6
12
mA
8
0 0.1
50 µA
2
kΩ
1.7
2.8 V
1.6
2.6 V
130
°C
100
kΩ
PIN ASSIGNMENTS
VFP PACKAGE
(TOP VIEW)
AVDD
AGND
ROSC
COSC
AREF
IN+
IN–
SHUTDOWN
32 31 30 29 28 27 26 25
1
24
2
23
3
22
4
PowerPAD
21
5
20
6
19
7
18
8
17
9 10 11 12 13 14 15 16
OUT+
PGND
PGND
PGND
PGND
PGND
PGND
OUT–
3