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2596 Datasheet Preview

2596 Datasheet

8-CHANNELSATURATEDSINKDRIVERS

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2596 AND 2597
8-CHANNEL
2596 AND
2597SATURATED SINK DRIVERS
Dwg. No. W-100
ABSOLUTE MAXIMUM RATINGS
at TA = + 25°C
OutputVoltage,VCE ................................ 50 V
Output Current, IOUT
(UDN2596A) ............................ 500 mA
(UDN2597A) ................................ 1.0 A
Supply Voltage, VCC ............................ 7.0 V
Input Voltage, VlN ................................. 7.0 V
Package Power Dissipation,
PD ............................................. 2.27 W*
Operating Temperature Range,
TA ................................. -20°C to +85°C
Storage Temperature Range,
TS .............................. - 65°C to +150°C
*Derate at the rate of 18.2 mW/°C above
TA = +25°C
8-CHANNEL
SATURATED SINK DRIVERS
Low output-saturation voltages at high load currents are provided
by UDN2596A and UDN2597A sink driver ICs. These devices can be
used as interface buffers between standard low-power digital logic
(particularly MOS) and high-power loads such as relays, solenoids,
stepping motors, and LED or incandescent displays. The eight satu-
rated sink drivers in each device feature high-voltage, high-current
open-collector outputs. Transient suppression clamp diodes and a
minimum 35 V output sustaining voltage allow their use with many
inductive loads.
The saturated (non-Darlington) NPN outputs provide low collector-
emitter voltage drops as well as improved turn-off times due to an
active pull-down function within the output predrive section. The
UDN2596A is for use with output loads to 500 mA while the
UDN2597A is for use with loads to 1 A. Adjacent outputs may be
paralleled for higher load currents.
Inputs require very low input current and are activated by a low
logic level consistent with the much greater sinking capability associ-
ated with NMOS, CMOS, and TTL logic. The UDN2596A and
UDN2597A are rated for use with 5 V logic levels.
Both devices are furnished in 20-pin DIP packages with copper
leadframes for improved thermal characteristics. The UDN2596A is
also available for operation between -40°C and +85°C. To order,
change the prefix from ‘UDN’ to ‘UDQ’.
FEATURES
s Non-Inverting Function
s Low Output ON Voltages
s Up to 1.0 A Sink Capability
s 50 V Min. Output Breakdown
s Output Transient-Suppression
Diodes
ONE OF EIGHT DRIVERS
s Output Pull-Down for
Fast Turn-Off
s TTL, CMOS Compatible Inputs
s Automotive Capable
Dwg. No. W-101




AllegroMicroSystems

2596 Datasheet Preview

2596 Datasheet

8-CHANNELSATURATEDSINKDRIVERS

No Preview Available !

2596 AND 2597
8-CHANNEL
SATURATED SINK DRIVERS
ELECTRICAL CHARACTERISTICS at TA = +25°C, VCC = 5.0 V
Characteristics
Output Leakage Current
Output Sustaining Voltage
Output Saturation Voltage
Clamp Diode Leakage Current
Clamp Diode Forward Voltage
Logic lnput Current
Supply Current
Turn-On Delay
Turn-Off Delay
Symbol
ICEX
VCE(sus)
VCE(SAT)
IR
VF
IlN(0)
IlN(1)
ICC(ON)
ICC(OFF)
tpd0
tpd1
Applicable
Devices
Both
UDN2596A
UDN2597A
UDN2596A
UDN2597A
Both
UDN2596A
UDN2597A
UDN2956A
UDN2597A
Both
UDN2596A
UDN2597A
UDN2596A
UDN2597A
Both
Both
Test Conditions
VOUT = 50 V, VIN = 2.4 V
lOUT = 300 mA, L = 2 mH
lOUT = 750 mA, L = 2 mH
lOUT = 300 mA
lOUT = 750 mA
VR = 50 V
IF = 300 mA
IF = 750 mA
VIN = 0.8 V
VIN = 0.8 V
VIN = 2.4 V
any one driver VIN = 0.8 V
any one driver VIN = 0.8 V
all drivers VIN = 2.4 V
all drivers VIN = 2.4 V
0.5 EIN to 0.5 EOUT
0.5 EIN to 0.5 EOUT
Min.
35
35
0.75
0.75
Limits
Max.
10
0.5
1.0
10
1.8
1.8
-15
-50
10
6.0
31
1.3
15
3.0
2.0
Units
µA
V
V
V
V
µA
V
V
µA
µA
µA
mA
mA
mA
mA
µs
µs
TYPICAL APPLICATION
DUAL STEPPER MOTOR DRIVE
RECOMMENDED
OPERATING CONDITIONS
Type Number
UDN2596A
Logic
5.0 V
IOUT
300 mA
UDN2597A
5.0 V
750 mA
Note: Pins 2 and 12 must both be connected to
power ground.
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
Copyright © 1984, 1999, Allegro MicroSystems, Inc.


Part Number 2596
Description 8-CHANNELSATURATEDSINKDRIVERS
Maker AllegroMicroSystems
Total Page 4 Pages
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