TC4425AEPA

Manufacturer Part NumberTC4425AEPA
DescriptionMOSFET & Power Driver ICs 3A Dual MOSFET Drvr
ManufacturerMicrochip Technology
TC4425AEPA datasheets

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Specifications of TC4425AEPA

Lead Free Status / Rohs StatusLead free / RoHS Compliant  
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TC4423A/TC4424A/TC4425A
3A Dual High-Speed Power MOSFET Drivers
Features
• High Peak Output Current: 4.5A (typical)
• Wide Input Supply Voltage Operating Range:
- 4.5V to 18V
• High Capacitive Load Drive Capability:
- 1800 pF in 12 ns
• Short Delay Times: 40 ns (typical)
• Matched Rise/Fall Times
• Low Supply Current:
- With Logic ‘1’ Input – 1.0 mA (maximum)
- With Logic ‘0’ Input – 150 µA (maximum)
• Low Output Impedance: 2.5Ω (typical)
• Latch-Up Protected: Will Withstand 1.5A Reverse
Current
• Logic Input Will Withstand Negative Swing Up To
5V
• Pin compatible with the TC4423/TC4424/TC4425
and TC4426A/TC4427A/TC4428A devices
• Space-saving 8-Pin 150 mil body SOIC and 8-Pin
6x5 DFN Packages
Applications
• Switch Mode Power Supplies
• Pulse Transformer Drive
• Line Drivers
• Direct Drive of Small DC Motors
Package Types
8-Pin PDIP/SOIC
TC4423A TC4424A
NC
NC
NC
1
8
IN A
TC4423A
OUT A
OUT A
2
7
TC4424A
GND
V
V
3
6
DD
DD
TC4425A
IN B
OUT B
OUT B
4
5
)
(1
TC4423A TC4424A
8-Pin 6x5 DFN
NC
1
8
NC
TC4423A
IN A
2
7
OUT A
TC4424A
3
V
GND
6
TC4425A
DD
4
IN B
5
OUT B
Note 1: Exposed pad of the DFN package is electrically isolated.
2: Duplicate pins must both be connected for proper operation
© 2007 Microchip Technology Inc.
General Description
The TC4423A/TC4424A/TC4425A devices are a family
of dual-output 3A buffers/MOSFET drivers. These
devices are improved versions of the earlier TC4423/
TC4424/TC4425 dual-output 3A driver family. This
improved version features higher peak output current
drive capability, lower shoot-throught current, matched
rise/fall times and propagation delay times. The
TC4423A/TC4424A/TC4425A
compatible with the existing TC4423/TC4424/TC4425
family. An 8-pin SOIC package option has been added
to the family. The 8-pin DFN package option offers
increased power dissipation capability for driving
heavier capacitive or resistive loads.
The TC4423A/TC4424A/TC4425A MOSFET drivers
can easily charge and discharge 1800 pF gate
capacitance in under 20 ns, provide low enough
impedances in both the on and off states to ensure the
MOSFET’s intended state will not be affected, even by
large transients.
The TC4423A/TC4424A/TC4425A inputs may be
driven directly from either TTL or CMOS (2.4V to 18V).
In addition, the 300 mV of built-in hysteresis provides
noise immunity and allows the device to be driven from
slow rising or falling waveforms.
The TC4423A/TC4424A/TC4425A dual-output 3A
MOSFET driver family is offerd with a -40
temperature rating, making it useful in any wide
temperature range application.
TC4425A
16-Pin SOIC (Wide
NC
NC
1
IN A
2
OUT A
NC
3
V
TC4423A
DD
GND
4
OUT B
TC4424A
GND
5
TC4425A
NC
6
TC4425A
IN B
7
NC
8
NC
NC
OUT A
OUT A
V
V
DD
DD
OUT B
OUT B
.
devices
are
pin-
o
o
C to +125
TC4423A TC4424A TC4425A
)
NC
NC
NC
16
OUT A
OUT A
OUT A
15
OUT A
OUT A
OUT A
14
V
V
V
13
DD
DD
DD
V
V
V
12
DD
DD
DD
OUT B
OUT B
OUT B
11
10
OUT B
OUT B
OUT B
NC
NC
NC
9
DS21998B-page 1
C

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TC4425AEPA Summary of contents

  • Page 1

    ... OUT B Note 1: Exposed pad of the DFN package is electrically isolated. 2: Duplicate pins must both be connected for proper operation © 2007 Microchip Technology Inc. General Description The TC4423A/TC4424A/TC4425A devices are a family of dual-output 3A buffers/MOSFET drivers. These devices are improved versions of the earlier TC4423/ TC4424/TC4425 dual-output 3A driver family. This ...

  • Page 2

    ... TC4423A/TC4424A/TC4425A (1) Functional Block Diagram Input Effective Input (Each Input) GND Note 1: Unused inputs should be grounded. DS21998B-page 2 Inverting 750 µA 300 mV Non-inverting 4.7V TC4423A Dual Inverting TC4424A Dual Non-inverting TC4425A Inverting / Non-inverting V DD Output © 2007 Microchip Technology Inc. ...

  • Page 3

    ... Tested during characterization, not production tested. 3: Package power dissipation is dependent on the copper pad area on the PCB. © 2007 Microchip Technology Inc. TC4423A/TC4424A/TC4425A † Notice: Stresses above those listed under "Maximum Ratings" may cause permanent damage to the device. This is a stress rating only and functional operation of the device at those or any other conditions above those indicated in the operational sections of this specification is not intended ...

  • Page 4

    ... Figure 4-1, Figure 4- 1800 pF L Figure 4-1, Figure 4- 1800 pF L Figure 4-1, Figure 4- 1800 (Both inputs (Both inputs) IN ≤ 18V. DD Units Conditions °C °C °C °C/W Typical four-layer board with vias to ground plane °C/W °C/W °C/W © 2007 Microchip Technology Inc. ...

  • Page 5

    ... Capacitive Load (pF) FIGURE 2-2: Rise Time vs. Capacitive Load 1800 pF LOAD FALL RISE 12 10 -40 -25 - 110 125 o Temperature ( C) FIGURE 2-3: Rise and Fall Times vs. Temperature. © 2007 Microchip Technology Inc. TC4423A/TC4424A/TC4425A <= 18V 4700 1,000 1000 FIGURE 2-4: Voltage 10V 10000 ...

  • Page 6

    ... Both Inputs = 0 0.1 0 -40 -25 - FIGURE 2-11: Temperature FIGURE 2-12: High) vs. Supply Voltage. = 1800 110 125 o Temperature ( C) Propagation Delay Time vs. = 18V Both Inputs = 110 125 o Temperature ( C) Quiescent Current vs (TC4424A (TC4423A 150 Supply Voltage (V) Output Resistance (Output © 2007 Microchip Technology Inc. ...

  • Page 7

    ... FIGURE 2-14: Supply Current vs. Capacitive Load. 120 3.5 MHz DD 100 80 100 kHz 60 200 kHz 40 500 kHz 20 0 100 1000 Capacitive Load (pF) FIGURE 2-15: Supply Current vs. Capacitive Load. © 2007 Microchip Technology Inc. TC4423A/TC4424A/TC4425A <= 18V. DD 100 V 650 kHz 10000 10 FIGURE 2-16: Frequency. 140 ...

  • Page 8

    ... For a single driver, divide the stated values by 2. For a single transition of a single driver, divide the stated value by 4. FIGURE 2-19: Crossover Energy vs. Supply Voltage. DS21998B-page 8 <= 18V this graph © 2007 Microchip Technology Inc. ...

  • Page 9

    ... DD has a voltage range of 4.5V to 18V. This input must be decoupled to ground with a local ceramic capacitor. This bypass capacitor provides a localized low- impedance path for the peak currents that are to be provided to the load. © 2007 Microchip Technology Inc. TC4423A/TC4424A/TC4425A (1) Symbol Description NC No connection ...

  • Page 10

    ... Input = 1800 pF +5V 90% Input 10 18V 90% Output 10% 0V FIGURE 4-2: Switching Time 18V DD 1 µF 0.1 µF WIMA Ceramic MKS-2 Output 1800 TC4424A (1/2 TC4425A) Input: 100 kHz, square wave, ≤ RISE FALL 90% 90% 90 10% 10% Non-inverting Driver © 2007 Microchip Technology Inc. ...

  • Page 11

    ... Note: In the event the full Microchip part number cannot be marked on one line, it will be carried over to the next line, thus limiting the number of available characters for customer-specific information. © 2007 Microchip Technology Inc. TC4423A/TC4424A/TC4425A Example Example: Example: ...

  • Page 12

    ... BSC D1 4.67 BSC D2 3.85 4.00 E 5.99 BSC E1 5.74 BSC E2 2.16 2.31 b 0.35 0.40 L 0.50 0.60 K 0.20 – φ – – Microchip Technology Drawing C04-113B NOTE 1 MAX 1.00 0.80 0.05 4.15 2.46 0.47 0.75 – 12° © 2007 Microchip Technology Inc. ...

  • Page 13

    ... Significant Characteristic. 3. Dimensions D and E1 do not include mold flash or protrusions. Mold flash or protrusions shall not exceed .010" per side. 4. Dimensioning and tolerancing per ASME Y14.5M. BSC: Basic Dimension. Theoretically exact value shown without tolerances. © 2007 Microchip Technology Inc. TC4423A/TC4424A/TC4425A E1 3 ...

  • Page 14

    ... NOM MAX 8 – 1.75 – – – 0.25 – 0.50 – 1.27 – 8° – 0.25 – 0.51 – 15° – 15° Microchip Technology Drawing C04-057B © 2007 Microchip Technology Inc. ...

  • Page 15

    ... Dimensions D and E1 do not include mold flash or protrusions. Mold flash or protrusions shall not exceed 0.15 mm per side. 4. Dimensioning and tolerancing per ASME Y14.5M. BSC: Basic Dimension. Theoretically exact value shown without tolerances. REF: Reference Dimension, usually without tolerance, for information purposes only. © 2007 Microchip Technology Inc. TC4423A/TC4424A/TC4425A E E1 ...

  • Page 16

    ... TC4423A/TC4424A/TC4425A NOTES: DS21998B-page 16 © 2007 Microchip Technology Inc. ...

  • Page 17

    ... Page 12: Updated Package Outline Drawing. • Page 13: Updated Package Outline Drawing. • Page 14: Updated Package Outline Drawing. • Page 15: Added 16-Lead SOIC Package Outline Drawing • Page 17: Updated Revision History. Revision A (June 2006) • Original Release of this Document. © 2007 Microchip Technology Inc. TC4423A/TC4424A/TC4425A DS21998B-page 17 ...

  • Page 18

    ... TC4423A/TC4424A/TC4425A NOTES: DS21998B-page 18 © 2007 Microchip Technology Inc. ...

  • Page 19

    ... Reel Plastic SOIC (Wide Body), 16-lead OE713 = Plastic SOIC (Wide Body), 16-lead (Tape and Reel Plastic DIP, (300 mil body), 8-lead * All package offerings are Pb Free (Lead Free) © 2007 Microchip Technology Inc. TC4423A/TC4424A/TC4425A XXX Examples: a) TC4423AVOA: Tape & Reel b) TC4423AVPA: c) ...

  • Page 20

    ... TC4423A/TC4424A/TC4425A NOTES: DS21998B-page 20 © 2007 Microchip Technology Inc. ...

  • Page 21

    ... Select Mode, Smart Serial, SmartTel, Total Endurance, UNI/O, WiperLock and ZENA are trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. SQTP is a service mark of Microchip Technology Incorporated in the U.S.A. All other trademarks mentioned herein are property of their respective companies. ...

  • Page 22

    ... Fax: 886-3-572-6459 Taiwan - Kaohsiung Tel: 886-7-536-4818 Fax: 886-7-536-4803 Taiwan - Taipei Tel: 886-2-2500-6610 Fax: 886-2-2508-0102 Thailand - Bangkok Tel: 66-2-694-1351 Fax: 66-2-694-1350 © 2007 Microchip Technology Inc. EUROPE Austria - Wels Tel: 43-7242-2244-39 Fax: 43-7242-2244-393 Denmark - Copenhagen Tel: 45-4450-2828 Fax: 45-4485-2829 France - Paris Tel: 33-1-69-53-63-20 ...

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