TDE3247FPT [STMICROELECTRONICS]
Interface circuit (relay and lamp driver); 接口电路（继电器和灯驱动器）
| 型号： | TDE3247FPT |
| 厂家： | 
ST |
| 描述： | Interface circuit (relay and lamp driver) |
| 文件： | 总15页 (文件大小：406K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
TDE3247
Interface circuit (relay and lamp driver)
Features
■ High output current
■ Adjustable short-circuit protection to ground
■ Internal thermal protection with hysteresis to
avoid the intermediate output levels
■ Large supply voltage range: 8 to 30V
■ Short-circuit protection to V
■ Open ground protection
CC
SO-14
Description
The TDE3247 is a monolithic amplifier designed
for high current and high voltage applications,
specifically to drive lamps, relays and stepping
motors.
The Device is essentialy blow-out proof. Current
limiting is available to limit the peak output current
to a safe value, the adjustment only required an
external resistor.
In addition, thermal shut-down is provided to keep
the IC from overheating.
If external dissipation becomes too high, the
driver will shut-down to prevent excessive
heating.
The output is also protected against short-circuit
with the positive power supply.
The device operates over a wide range of supply
voltage from standard 15V operational amplifier
supplies down to the single 12V or 24V used for
industrial electronic systems.
Order codes
Part number
Package
Packaging
TDE3247FP
SO-14
SO-14
Tube
TDE3247FPT
Tape & Reel
June 2006
Rev 2
1/15
www.st.com
15
Contents
TDE3247
Contents
1
2
3
Schematic diagram and pin connections . . . . . . . . . . . . . . . . . . . . . . . . 3
Electrical ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3.1
Electrical characteristics (curves) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
4
5
6
Application circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
2/15
TDE3247
Schematic diagram and pin connections
1
Schematic diagram and pin connections
Figure 1. Schematic diagram
Figure 2. Pin connections
3/15
Electrical ratings
TDE3247
2
Electrical ratings
Table 1.
Symbol
Absolute maximum ratings
Parameter
Value
Unit
V
VCC
VO
Supply Voltage
36
36
Differential Input Voltage
Input Voltage
V
VI
36
V
IO
Output Current
300
mA
W
PTOT
Toper
TSTG
Power Dissipation
Internally limited
–25 to 85
–65 to +150
Ambient Temperature Range
Storage Temperature Range
°C
°C
Table 2.
Thermal data
Junction-ceramic Substrate
(case glued to substrate)
For SO-14
Rth
90
65
°C/W
°C/W
Junction-ceramic Substrate
(case glued to substrate, substrate
temperature maintened constant)
For SO-14
Rth
4/15
TDE3247
Electrical characteristics
3
Electrical characteristics
(-25°C ≤T 85°C, 8V ≤VCC ≤30V, I ≤150mA, T ≤150°C, unless otherwise specified) Note: 1
A
O
J
Table 3.
Symbol
Electrical characteristics
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VIO
IIB
Input Offset Voltage
Input Bias Current
Note 2
2
50
mV
0.1
1.5
µA
VCC = 24V, IO = 0A,
Tamb = 25°C
ICC
Supply Current
High Level
Low Level
4
2
10
mA
mA
Common Mode Input
Voltage Range
VCM
ISC
2
VCC-2
V
V
CC = 24V, Tamb = 25°C
Short-circuit Current
250
1.2
mA
RSC = 3.3Ω
(VI+- VI-) ≤50mV
IO = 150mA, RSC = 0
TJ = 25°C
Output Saturation Voltage
(Output High)
VCC - VO
1.8
V
VO = 0V, VCC = 24V
TJ = 25°C
Output Leakage Current
(Output Low)
IOL
1
100
500
µA
µA
TJ = 85°C
Minimum Short-current
Output Current
Tamb = 25°C, VCC = 24V
RSC = ∞
IOS
50
mA
Note:
1
2
For operating at high temperatures, the device must be derated based on a 150°C
maximum junction and a junction to ambient thermal resistance of 110°C/W
The offset voltage given in the maximum value of input voltage required to drive the output
voltage within 2V of the ground or the supply voltage.
5/15
Electrical characteristics
TDE3247
3.1
Electrical characteristics (curves)
Figure 3. Available output current vs. limiting Figure 4. Supply current vs. junction
resistor
temperature
Figure 5. Saturation output voltage vs. case Figure 6. Supply current vs. supply voltage
temperature and available output
current
6/15
TDE3247
Electrical characteristics
Figure 7. Supply voltage vs. minimum limiting Figure 8. Response time
resistor value
Figure 9. Response time
7/15
Application circuit
TDE3247
4
Application circuit
Figure 10. Basic application circuit
Figure 11. Output current boosting (5A)
8/15
TDE3247
Package mechanical data
5
Package mechanical data
In order to meet environmental requirements, ST offers these devices in ECOPACK®
packages. These packages have a Lead-free second level interconnect. The category of
second level interconnect is marked on the package and on the inner box label, in
compliance with JEDEC Standard JESD97. The maximum ratings related to soldering
conditions are also marked on the inner box label. ECOPACK is an ST trademark.
ECOPACK specifications are available at: www.st.com
9/15
Package mechanical data
TDE3247
Table 4.
Dim.
SO-14 Mechanical data
mm.
Typ
inch
Typ.
Min.
Max.
Min.
Max.
A
a1
a2
b
1.75
0.2
0.068
0.007
0.064
0.018
0.010
0.1
0.003
1.65
0.46
0.25
0.35
0.19
0.013
0.007
b1
C
0.5
0.019
c1
D
45° (typ.)
8.55
5.8
8.75
6.2
0.336
0.228
0.344
0.244
E
e
1.27
7.62
0.050
0.300
e3
F
3.8
4.6
0.5
4.0
5.3
0.149
0.181
0.019
0.157
0.208
0.050
0.026
G
L
1.27
0.68
M
S
8° (max.)
Figure 12. Package dimensions
10/15
TDE3247
Package mechanical data
Table 5.
Tube shipment information
Tube mechanical data
mm.
inch.
A
B
C
D
E
6.60 ±0.10
1.90 ±0.10
0.60 ±0.10
7.80 ±0.10
4.30 ±0.10
0.260 ±0.004
0.075 ±0.004
0.024 ±0.004
0.307 ±0.004
0.169 ±0.004
BASE QUANTITY
BULK QUANTITY
100 pcs.
2000 pcs.
Figure 13. Tube dimension
11/15
Package mechanical data
Table 6. Tape & reel shipment information
TDE3247
Tape mechanical data
mm.
inch
D
1.50 +0.1/0
1.75 0.1
4.00 0.1
0.40
0.059 +0.004/0
0.069 0.004
0.157 0.004
0.016
E
Po
T max.
D1 min.
F
1.50
0.059
7.5 0.05
6.50
0.295 0.002
0.256
K max.
P2
2.00 0.05
40
0.079 0.002
1.575
R
W
16.00 0.30
12.00
0.630 0.012
0.472
P1
Ao, Bo, Ko
0.05 min to 0.90 max.
0.002 min to 0.035 max.
Figure 14. Tape specification
12/15
TDE3247
Package mechanical data
inch
Table 7.
Reel mechanical data
mm.
Tape size
A max.
B min.
C
16.0 0.30
330.0
0.630 0.012
12.992
1.5
0.059
13.0 0.20
20.2
0.512 0.008
0.795
D min.
N min.
G
60
2.362
16.4 +2/-0
22.4
0.646 +0.079/-0
0.882
T max.
Figure 15. Tape & reel shipment information
13/15
Revision history
TDE3247
6
Revision history
Table 8.
Date
Revision history
Revision
Changes
20-Apr-2006
27-Jun-2006
1
2
First release
Typo in cover page
14/15
TDE3247
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