tde1747 STMicroelectronics, tde1747 Datasheet

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tde1747

Manufacturer Part Number
tde1747
Description
Interface Circuit - Relay And Lamp-driver
Manufacturer
STMicroelectronics
Datasheet

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Features
Description
The TDE1747 is a monolithic comparator
designed for high current and high voltage
applications, specifically to drive lamps, relays,
stepping motors.
This device is essentially blow-out proof. Current
limiting is available to limit the peak output current
to safe values.
Adjustment only requires one external resistor. In
addition, thermal shut down is provided to keep
the IC from overheating. If internal dissipation
becomes too high, the driver will shut down to
prevent excessive heating. TDE1747 has an open
ground protection. The output is also protected
from shortcircuits with the positive power supply.
The device operates over a wide range of supply
voltages from standard
amplifier supplies down to the single +12V or
+24V used for industrial electronic systems.
Order codes
September 2006
Open ground protection
High output current
Adjustable short-circuit protection to ground
Thermal protection with hysteresis to avoid the
intermediate output levels
Large supply voltage range: + 8V to +45V
Short-circuit protection to V
TDE1747FPT
Part number
TDE1747DP
TDE1747FP
±
15V operational
CC
Temp range, ° C
-25°C to +85°C
-25°C to +85°C
-25°C to +85°C
Interface circuit - relay and lamp-driver
Rev 1
.
Package
DIP-8
SO14
SO14
SO14
Tape and reel
TDE1747
Packing
Tube
Tube
DIP-8
www.st.com
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tde1747 Summary of contents

Page 1

... IC from overheating. If internal dissipation becomes too high, the driver will shut down to prevent excessive heating. TDE1747 has an open ground protection. The output is also protected from shortcircuits with the positive power supply. The device operates over a wide range of supply ± ...

Page 2

... Contents Contents 1 Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.1 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.2 Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3 Pin connections and schematic diagrams . . . . . . . . . . . . . . . . . . . . . . . . . 5 4 Typical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 5 Typical applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 6 Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 7 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 8 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 2/17 TDE1747 ...

Page 3

... TDE1747 1 Maximum ratings 1.1 Absolute maximum ratings Table 1. Absolute maximum ratings Symbol V Supply voltage CC Input voltage Differential input voltage ID I Output current O P Power dissipation (T tot A T Operating Free–air Temperature Range oper T Storage temperature range STG 1. 60V, t ≤ 10ms 1.2 Thermal data Table 2 ...

Page 4

... For operating at high temperature, the TDE1747, must be derated based on a +150°C maximum junction temperature and junction-ambient thermal resistance of 120°C/W for DIP-8 and 100°C/W for the SO14. 2. The offset voltage given is the maximum value of input voltage required to drive the output voltage within 2V of the ground or the supply voltage ...

Page 5

... TDE1747 3 Pin connections and schematic diagrams Figure 1. Pin connections (top views) Figure 2. Schematic diagram Pin connections and schematic diagrams 5/17 ...

Page 6

... Pin connections and schematic diagrams Figure 3. Test circuit Figure 4. Simplified schematic 6/17 TDE1747 ...

Page 7

... TDE1747 4 Typical characteristics Figure 5. Available output current vs limiting resistors Figure 7. Short-circuit current vs case temperature Figure 6. Peak short-circuit vs limiting resistor Figure 8. Minimum limiting resistor value vs supply voltage Typical characteristics 7/17 ...

Page 8

... Typical characteristics Figure 9. Output current vs output saturation voltage Figure 11. Supply current vs junction temperature 8/17 Figure 10. Supply current vs supply voltage Figure 12. Safe operating area (not repetitive surge) TDE1747 ...

Page 9

... TDE1747 Figure 13. Response time Typical characteristics 9/17 ...

Page 10

... Typical applications 5 Typical applications Figure 14. Base circuit Figure 15. Output current extension (5A) 10/17 TDE1747 ...

Page 11

... TDE1747 Figure 16. Driving low impedance relays (I = 300mA) O Typical applications 11/17 ...

Page 12

... Waveforms 6 Waveforms Figure 17. Input current vs time Figure 18. Response time with zener diode Figure 19. Response time without zener diode 12/17 TDE1747 ...

Page 13

... TDE1747 7 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 ...

Page 14

... Mold flash, protusions or gate burrs shall not exceed 0.15mm per side. Figure 20. Package dimensions 14/17 mm Typ Max 1.75 0.053 0.30 0.004 1.65 0.043 0.51 0.013 0.25 0.007 8.75 0.337 4.0 0.150 1.27 6.20 0.228 0.50 1.27 0.016 0° (min.), 8° (max.) 0.10 TDE1747 Inch Min Typ 0.069 0.012 0.065 0.020 0.344 0.157 0.050 0.244 0.01 0.050 0.004 0016019 D Max 0.01 0.02 ...

Page 15

... TDE1747 Table 5. DIP-8 Mechanical data Dim. Min A a1 0.51 B 1.15 b 0.356 b1 0.204 3.18 Z Figure 21. Package dimensions mm Typ Max 3.32 0.020 1.65 0.045 0.55 0.014 0.304 0.008 10.92 9.75 0.313 2.54 7.62 7.62 6.6 5.08 3.81 0.125 1.52 Package mechanical data Inch Min Typ Max 0.131 0.065 0.022 0.012 0.430 0.384 0.100 ...

Page 16

... Revision history 8 Revision history Table 6. Revision history Date Revision 20-Sep-2006 16/17 1 New template TDE1747 Changes ...

Page 17

... TDE1747 Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. ...

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