ULN2803,04APG/AFWG
2012-11-26
1
TOSHIBA Bipolar Digital Integrated Circuit Silicon Monolithic
ULN2803APG, ULN2803AFWG, ULN2804APG, ULN2804AFWG
8ch Darlington Sink Driver
The ULN2803APG / AFWG Series are highvoltage,
highcurrent darlington drivers comprised of eight NPN
darlington pairs.
All units feature integral clamp diodes for switching inductive
loads.
Applications include relay, hammer, lamp and display (LED)
drivers.
Features
Output current (single output)
500 mA (max)
High sustaining voltage output
50 V (min)
Output clamp diodes
Inputs compatible with various types of logic.
Package TypeAPG : DIP18pin
Package TypeAFWG : SOP18pin
Pin Connection (top view)
Type Input Base
Resistor Designation
ULN2803APG / AFWG 2.7 k TTL, 5 V CMOS
ULN2804APG / AFWG 10.5 k 6~15 V PMOS, CMOS
ULN2803APG
ULN2804APG
ULN2803AFWG
ULN2804AFWG
Weight
P-DIP18-300-2.54-001: 1.478 g (Typ.)
P-SOP18-0812-1.27-001: 0.48 g (Typ.)
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Schematics (each driver)
ULN2803APG / AFWG ULN2804APG / AFWG
Note: The input and output parasitic diodes cannot be used as clamp diodes.
Absolute Maximum Ratings (Ta = 25°C)
Characteristic Symbol Rating Unit
Output sustaining voltage VCE (SUS) 0.5 to 50 V
Output current IOUT 500 mA / ch
Input voltage VIN 0.5 to 30 V
Clamp diode reverse voltage VR 50 V
Clamp diode forward current IF 500 mA
APG 1.47
Power dissipation
AFWG
PD
0.92 / 1.31 (Note)
W
Operating temperature Topr 40 to 85 °C
Storage temperature Tstg 55 to 150 °C
Note: On Glass Epoxy PCB (75 × 114 × 1.6 mm Cu 20%)
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Recommended Operating Conditions (Ta = 40~85°C)
Characteristic Symbol Test Condition Min Typ. Max Unit
Output sustaining voltage VCE (SUS) 0 50 V
tpw = 25 ms, Duty = 10%,
8 Circuits 0 347
APG
tpw = 25 ms, Duty = 50%,
8 Circuits 0 123
tpw = 25 ms, Duty = 10%,
8 Circuits 0 268
Output current
AFWG
IOUT
tpw = 25 ms, Duty = 50%,
8 Circuits 0 90
mA /
ch
Input voltage VIN 0 30 V
ULN2803A 2.5 30
Input voltage
(Output on) ULN2804A
VIN (ON)
8 30
V
Clamp diode reverse voltage VR 50 V
Clamp diode forward current IF 400 mA
APG Ta = 85°C 0.76
Power dissipation
AFWG
PD
Ta = 85°C (Note) 0.48
W
Note: On Glass Epoxy PCB (75 × 114 × 1.6 mm Cu 20%)
ULN2803,04APG/AFWG
2012-11-26
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Electrical Characteristics (Ta = 25°C)
Characteristic Symbol
Test
Cir
Cuit
Test Condition Min Typ. Max Unit
VCE = 50 V Ta = 25°C 50
Output leakage current
VCE = 50 V Ta = 85°C 100
ULN2804A
ICEX 1
VCE = 50 V VIN = 1 V 500
μA
IOUT = 350 mA, IIN = 500 μA 1.3 1.6
IOUT = 200 mA, IIN = 350 μA 1.1 1.3
Collectoremitter saturation voltage VCE (sat) 2
IOUT = 100 mA, IIN = 250 μA 0.9 1.1
V
ULN2803A VIN = 3.85 V 0.93 1.35
VIN = 5 V 0.35 0.5
ULN2804A
IIN (ON) 2
VIN = 12 V 1.0 1.45
mA
Input current
I
IN (OFF) 4 IOUT = 500 μA, Ta = 85°C 50 65 μA
VCE = 2 V, IOUT = 200 mA 2.4
VCE = 2 V, IOUT = 250 mA 2.7
ULN2803A
VCE = 2 V, IOUT = 300 mA 3.0
VCE = 2 V, IOUT = 125 mA 5.0
VCE = 2 V, IOUT = 200 mA 6.0
VCE = 2 V, IOUT = 275 mA 7.0
Input voltage
(Output on)
ULN2804A
VIN (ON) 5
VCE = 2 V, IOUT = 350 mA 8.0
V
DC current transfer ratio hFE 2 VCE = 2 V, IOUT = 350 mA 1000
Ta = 25°C (Note) 50
Clamp diode reverse current IR 6
Ta = 85°C (Note) 100
μA
Clamp diode forward voltage VF 7 IF = 350 mA 2.0 V
Input capacitance CIN 15 pF
Turnon delay tON RL = 125 , VOUT = 50 V 0.1
Turnoff delay tOFF
8
RL = 125 , VOUT = 50 V 0.2
μs
Note: VR = VR (max)
ULN2803,04APG/AFWG
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Test Circuit
1. ICEX 2. VCE (sat), hFE 3. IIN (ON)
4. IIN (OFF) 5. VIN (ON) 6. IR
7. VF
ULN2803,04APG/AFWG
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8. tON, tOFF
Note 1: Pulse Width 50 μs, Duty Cycle 10%
Output Impedance 50 , tr 5 ns, tf 10 ns
Note 2: See below.
Input Condition
Type Number R1 VIH
ULN2803A 0 3 V
ULN2804A 0 8 V
Note 3: CL includes probe and jig capacitance
Precautions for Using
This IC does not integrate protection circuits such as overcurrent and overvoltage protectors.
Thus, if excess current or voltage is applied to the IC, the IC may be damaged. Please design the IC so that
excess current or voltage will not be applied to the IC.
Utmost care is necessary in the design of the output line, COMMON and GND line since IC may be destroyed
due to shortcircuit between outputs, air contamination fault, or fault by improper grounding.
ULN2803,04APG/AFWG
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ULN2803,04APG/AFWG
2012-11-26
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ULN2803,04APG/AFWG
2012-11-26
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Package Dimensions
P-DIP18-300-2.54-001 Unit : mm
Weight: 1.478 g (typ.)
This drawing is an object for explanation.
ULN2803,04APG/AFWG
2012-11-26
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Package Dimensions
P-SOP18-0812-1.27-001 Unit : mm
Weight: 0.48 g (typ.)
This drawing is an object for explanation.
ULN2803,04APG/AFWG
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Notes on Contents
1. Equivalent Circuits
The equivalent circuit diagrams may be simplified or some parts of them may be omitted for explanatory
purposes.
2. Test Circuits
Components in the test circuits are used only to obtain and confirm the device characteristics. These
components and circuits are not guaranteed to prevent malfunction or failure from occurring in the
application equipment.
IC Usage Considerations
Notes on Handling of ICs
(1) The absolute maximum ratings of a semiconductor device are a set of ratings that must not be
exceeded, even for a moment. Do not exceed any of these ratings.
Exceeding the rating(s) may cause the device breakdown, damage or deterioration, and may result
injury by explosion or combustion.
(2) Use an appropriate power supply fuse to ensure that a large current does not continuously flow in
case of over current and/or IC failure. The IC will fully break down when used under conditions that
exceed its absolute maximum ratings, when the wiring is routed improperly or when an abnormal
pulse noise occurs from the wiring or load, causing a large current to continuously flow and the
breakdown can lead smoke or ignition. To minimize the effects of the flow of a large current in case of
breakdown, appropriate settings, such as fuse capacity, fusing time and insertion circuit location, are
required.
(3) If your design includes an inductive load such as a motor coil, incorporate a protection circuit into the
design to prevent device malfunction or breakdown caused by the current resulting from the inrush
current at power ON or the negative current resulting from the back electromotive force at power OFF.
IC breakdown may cause injury, smoke or ignition.
Use a stable power supply with ICs with built-in protection functions. If the power supply is unstable,
the protection function may not operate, causing IC breakdown. IC breakdown may cause injury,
smoke or ignition.
(4) Do not insert devices in the wrong orientation or incorrectly.
Make sure that the positive and negative terminals of power supplies are connected properly.
Otherwise, the current or power consumption may exceed the absolute maximum rating, and
exceeding the rating(s) may cause the device breakdown, damage or deterioration, and may result
injury by explosion or combustion.
In addition, do not use any device that is applied the current with inserting in the wrong orientation
or incorrectly even just one time.
(5) Carefully select external components (such as inputs and negative feedback capacitors) and load
components (such as speakers), for example, power amp and regulator.
If there is a large amount of leakage current such as input or negative feedback condenser, the IC
output DC voltage will increase. If this output voltage is connected to a speaker with low input
withstand voltage, overcurrent or IC failure can cause smoke or ignition. (The over current can cause
smoke or ignition from the IC itself.) In particular, please pay attention when using a Bridge Tied
Load (BTL) connection type IC that inputs output DC voltage to a speaker directly.
ULN2803,04APG/AFWG
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Points to Remember on Handling of ICs
(1) Heat Radiation Design
In using an IC with large current flow such as power amp, regulator or driver, please design the
device so that heat is appropriately radiated, not to exceed the specified junction temperature (Tj) at
any time and condition. These ICs generate heat even during normal use. An inadequate IC heat
radiation design can lead to decrease in IC life, deterioration of IC characteristics or IC breakdown. In
addition, please design the device taking into considerate the effect of IC heat radiation with
peripheral components.
(2) Back-EMF
When a motor rotates in the reverse direction, stops or slows down abruptly, a current flow back to
the motor’s power supply due to the effect of back-EMF. If the current sink capability of the power
supply is small, the device’s motor power supply and output pins might be exposed to conditions
beyond absolute maximum ratings. To avoid this problem, take the effect of back-EMF into
consideration in system design.
About solderability, following conditions were confirmed
Solderability
(1) Use of Sn-37Pb solder Bath
· solder bath temperature = 230°C
· dipping time = 5 seconds
· the number of times = once
· use of R-type flux
(2) Use of Sn-3.0Ag-0.5Cu solder Bath
· solder bath temperature = 245°C
· dipping time = 5 seconds
· the number of times = once
· use of R-type flux
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