L6220N [STMICROELECTRONICS]
QUAD DARLINGTON SWITCHES; 四联复合晶体管SWITCHES型号: | L6220N |
厂家: | ST |
描述: | QUAD DARLINGTON SWITCHES |
文件: | 总12页 (文件大小:233K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
L6220
L6220N
QUAD DARLINGTON SWITCHES
.
TWO NON INVERTING+ TWO INVERTING IN-
PUTS WITH INHIBIT
OUTPUT VOLTAGE UP TO 50V
OUTPUT CURRENT UP TO 1.8A
VERY LOW SATURATION VOLTAGE
TTL COMPATIBLE INPUTS
.
.
.
.
.
INTEGRAL FAST RECIRCULATION DIODES
Powerdip 12 + 2 + 2
(Plastic Package)
DESCRIPTION
ORDERING NUMBER : L6220
The L6220 monolithic quad darlington switch is de-
signed forhigh current, highvoltageswitching appli-
cations. Each of the four switches is controlled by a
logic input and all four are controlled by a common
inhibit input. All inputs are TTL-compatiblefor direct
connectionto logic circuits.
Eachswitch consistsof anopen-collectordarlington
transistorplus a fast diodefor switching applications
with inductive loads. The emitters of the four
switches are commoned. Any numberof inputsand
outputsof the same device may be paralleled.
Multiwatt 15
(Plastic Package)
Two versions are available : the L6220 mounted in
a Powerdip 12 + 2 + 2 package and the L6220N
mounted in a 15-lead Multiwatt package.
ORDERING NUMBER : L6220N
PIN CONNECTIONS (top views)
L6220 (Powerdip)
L6220N (Multiwatt-15)
1/12
April 1993
L6220 - L6220N
PIN FUNCTIONS (see block diagram)
Name
Function
IN 1
IN 2
Input to Driver 1
Input to Driver 2
OUT 1
OUT 2
CLAMP A
IN 3
Output of Driver 1
Output of Driver 2
Diode Clamp to Driver 1 and Driver 2
Input to Driver 3
IN 4
Input to Driver 4
OUT 3
OUT 4
CLAMP B
INHIBIT
Vs
Output of Driver 3
Output of Driver 4
Diode Clamp to Driver 3 and Driver 4
Inhibit Input to all Drivers
Logic Supply Voltage
Common Ground
GND
BLOCK DIAGRAM
TRUTH TABLE
Inhibit
Input 1, 4
Power Out
Inhibit
Inputs 2, 3
Power Out
L
L
H
H
L
X
ON
OFF
OFF
L
L
H
L
H
X
ON
OFF
OFF
For each input : H = High level
L = Low level
2/12
L6220 - L6220N
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
V
Vo
Vs
Ouput Voltage
50
Logic Supply Voltage
7
V
VIN, VINH
IC
Input Voltage, Inhibit Voltage
Vs
Continuous Collector Current (for each channel)
Collector Peak Current (repetitive, duty cycle = 10 % ton = 5 ms)
Collector Peak Current (non repetitive, t = 10 µs)
Operating Temperature Range (junction)
Storage Temperature Range
1.8
2.5
A
A
IC
IC
3.2
A
Top
– 40 to + 150
– 55 to + 150
350
°C
°C
mA
Tstg
Isub
Ptot
Output Substrate Current
Total Power Dissipation at Tpins
=
=
=
=
90oC (Powerdip)
90oC (Multiwatt)
70oC (Powerdip)
70oC (Multiwatt)
4.3
20
1
W
W
W
W
at Tcase
at Tamb
at Tamb
2.3
THERMAL DATA
Symbol
Parameter
Powerdip
Multiwatt–15
Unit
oC/W
oC/W
oC/W
Rth j-pins
Rth j-case
Rth j-amb
Thermal Resistance Junction-pins
Thermal Resistance Junction-case
Thermal Resistance Junction-ambient
Max.
Max.
Max.
14
-
-
3
80
35
ELECTRICAL CHARACTERISTICS
Refer to the test circuits Fig. 1 to Fig.9 (VS = 5V, Tamb = 25oC unless otherwise specified)
Symbol
Parameter
Logic Supply Voltage
Logic Supply Current
Test Conditions
Min. Typ. Max. Unit
VS
Is
4.5
5.5
V
All Outputs ON, IC = 0.7A
All Outputs OFF
20
20
mA
MA
VCE (sus)
ICEX
Output Sustaining Voltage
Output Leakage Current
IC =100mA, VINH = VINH
H
46
V
mA
V
VCE = 50V, VIN 1.4 = VINH
H
1
VCE (sat)
Collector Emitter Saturation Voltage
(one output on ; all others off.)
Vs = 4.5V, VIN 2.3 = VINL
VINH = VINH
L
IC = 0.6A
IC = 1A
IC = 1.8A
1
1.2
1.6
VINL,
Input Low Voltage
0.8
V
VINH
L
IINL, IINH
L
Input Low Current
Input High Voltage
VIN = VINL, VINH = VINH
L
- 100 µA
VINH,
2.0
V
VINH
H
IINH, IINH
H
Input High Current
VIN = VINH, VINH = VINH
H
± 10
µA
µA
IR
Clamp Diode Leakage Current
Clamp Diode Forward Voltage
VR = 50V, VINH = VINH
H
100
VF
IF = 1A
IF = 1.8A
1.6
2.0
V
V
td (on)
td (off)
∆ Is
Turn on Delay Time
Vp = 5V, RL = 10Ω
Vp = 5V, RL = 10Ω
VIN = 5V, VEN = 5V
2
5
µs
µs
Turn off Delay Time
Logic Supply Current Variation
120
mA
Iout = – 300mA for each Channel
3/12
L6220 - L6220N
TEST CIRCUITS
(X) = Referred to Multiwatt package
X = Referred to Powerdip package
Figure 1 : Logic Supply Current.
Set V 1 = 4.5V, V 2 = 0.8V, V INH = 4.5V or V 1 = 0.8V, V 2 = 4.5V, V INH = 0.8 for IS (all outputs off).
Set V 1 = 2V, V 2 = 0.8V, V INH = 0.8V for IS (all outputs on).
Figure 2 : Output Sustaining Voltage.
Figure 3 : Output Leakage Current.
4/12
L6220 - L6220N
Figure 4 : Collector-emitter Saturation
Figure 5 : Logic Input Characteristics.
Set S 1, S 2 open, V IN, V INH = 0.8V for I IN L, I INH
Set S 1, S 2 open, V IN, V INH = 2V forI IN H, I INH
Set S 1, S 2 close, V IN, V INH = 0.8V for V IN L, V INH
L
H
L
Set S 1, S 2 close, V IN, V INH = 2V for V IN H, V INH H.
Figure 6 : Clamp Diode Leakage Current.
Figure 7 : Clamp Diode Forward Voltage.
5/12
L6220 - L6220N
Figure 8 : Switching Times Test Circuit.
Figure 9 : Switching Times Waveforms.
Figure 10 : Collector SaturationVoltage versus
Figure 11 : Free- wheeling Diode ForwardVoltage
Collector Current
versus Diode Current
6/12
L6220 - L6220N
Figure 12 : Collector SaturationVoltage versus
Figure 13 : Free-wheeling Diode Forward Voltage
versus Junction Temperature
at If = 1A
Junction Temperature at IC = 1A
Figure 14 : Collector SaturationVoltage versus
Figure 15 : Free-wheeling Diode Forward Volt-
age versus Junction Temperature
at IF = 1.8A
Junction Temperature at IC = 1.8A
Figure 16.
Figure 17 : Unipolar Stepper Motor Driver.
7/12
L6220 - L6220N
APPLICATION INFORMATION
When inductive loads are driven by L6220/N, a
zener diode in series with the integral free-wheeling
diodes increases the voltage across which energy
stored in the load is discharged and therefore
speeds the current decay (Fig. 16). For reliability it
is suggested that the zener is chosen so that Vp +
Vz < 35 V.
2) The instantaneouspower must be limited to
avoid the reverse second breakdown.
Theparticular internallogicallows an easierfullstep
driving using only two input signals.
The reasons for this are two fold :
1) The zener voltage changes in temperature and
current.
Figure 18 : Allowed Peak Collector-current versus
Duty Cycle for 1, 2, 3 or 4 Contempo-
rary Working Outputs (L6220).
Figure 19 : Allowed Peak Collector Cur-rent ver-
sus Duty Cycle for 1, 2, 3 or 4 Con-
temporary Working Outputs
(L6220N).
MOUNTING INSTRUCTION
The Rthj-amb of theL6220 canbe reduced by solder-
ing the GND pins to a suitable copper area of the
printed circuit board (Fig. 20) or to an external
heatsink(Fig. 21).
ing a thickness of 35µ (1.4 mils). During soldering
the pins temperature must not exceed 260 °C and
the soldering time must not be longer than 12 sec-
onds.
The diagram of figure 22 shows the maximum dis-
sipable power Ptot and the Rth j-amb as a function of
the side ” α” of two equalsquare copper areas hav-
The external heatsink or printed circuit copper area
must be connectedto electrical ground.
8/12
L6220 - L6220N
Figure 20 : Example of P.C. Board Copperarea
Figure 21 : ExternalHeatsink Mounting Example
which is used as Heatsink
Figure 22 : Maximum Dissipable Power and Junc-
tion to Ambient Thermal Resistance
versus Side ”α”
Figure 23 : Maximum Allowable Power Dissipa-
tion versus Ambient Temperature
9/12
L6220 - L6220N
MULTIWATT15 PACKAGE MECHANICAL DATA
mm
inch
TYP.
DIM.
MIN.
TYP.
MAX.
5
MIN.
MAX.
0.197
0.104
0.063
A
B
2.65
1.6
C
D
1
0.039
E
0.49
0.66
1.14
17.57
19.6
0.55
0.75
1.4
0.019
0.026
0.045
0.692
0.772
0.022
0.030
0.055
0.705
F
G
1.27
0.050
0.700
G1
H1
H2
L
17.78
17.91
20.2
22.6
22.5
18.1
17.75
10.9
2.9
0.795
0.890
0.886
0.713
0.699
0.429
0.114
0.181
0.209
0.102
0.102
0.152
22.1
22
0.870
0.866
0.695
0.679
0.406
0.104
0.165
0.177
0.075
0.075
0.144
L1
L2
L3
L4
L7
M
17.65
17.25
10.3
2.65
4.2
17.5
10.7
0.689
0.421
4.3
4.6
0.169
0.200
M1
S
4.5
5.08
5.3
1.9
2.6
S1
Dia1
1.9
2.6
3.65
3.85
10/12
L6220 - L6220N
POWERDIP16 PACKAGE MECHANICAL DATA
mm
inch
TYP.
DIM.
MIN.
0.51
0.85
TYP.
MAX.
MIN.
0.020
0.033
MAX.
a1
B
b
1.40
0.055
0.50
0.020
b1
D
E
e
0.38
0.50
20.0
0.015
0.020
0.787
8.80
2.54
0.346
0.100
0.700
e3
F
17.78
7.10
5.10
0.280
0.201
I
L
3.30
0.130
Z
1.27
0.050
11/12
L6220 - L6220N
Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsibility for
the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its
use. No license is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics. Specifica-
tions mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information pre-
viously supplied. SGS-THOMSON Microelectronics products are not authorized for use as critical components in life support devices or
systems without express written approval of SGS-THOMSON Microelectronics.
1994 SGS-THOMSON Microelectronics - All Rights Reserved
MULTIWATT is a Registered Trademark
SGS-THOMSON Microelectronics GROUP OF COMPANIES
Australia - Brazil - France - Germany - Hong Kong - Italy - Japan - Korea - Malaysia - Malta - Morocco - The Netherlands - Singapore -
Spain - Sweden - Switzerland - Taiwan - Thaliand - United Kingdom - U.S.A.
12/12
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