M TC4403 1.5A High-Speed, Floating Load Driver Features General Description • • • • • • • The TC4403 is a modified version of the TC4425 driver, intended to drive floating or isolated loads requiring high-current pulses. The load is intended to be connected between the outputs without other reference to supply or ground. Then, only when both logic inputs and the VDD input are energized, is power supplied to the load. This construction allows the implementation of a wide variety of redundant input controllers. Low Quiescent Current: 300µA Max Capacitive Inputs With 300mV Hysteresis Both Inputs Must Be Driven to Drive Load Low Output Leakage High Peak Current Capability Fast Output Rise Time Outputs Individually Testable Applications • Isolated Load Drivers • Pulsers • Safety Interlocks Device Selection Table Part Number Package Temp. Range TC4403CPA 8-Pin PDIP 0°C to +70°C TC4403EPA 8-Pin PDIP -40°C to +85°C TC4403MJA 8-Pin CERDIP -55°C to +125°C Package Type 8-Pin PDIP/CERDIP NC 1 8 NC IN (VDD) 2 7 OUT (VDD) GND 3 6 VDD IN (GND) 4 5 OUT (GND) TC4403 2002 Microchip Technology Inc. The low OFF-state output leakage and independence of the two half-circuits permit a wide variety of testing schemes to be utilized to assure functionality. The high peak current capability, short internal delays, and fast output rise and fall times ensure that sufficient power will be available to the load when it is needed. The TTL and CMOS compatible inputs allow operation from a wide variety of input devices. The ability to swing the inputs negative without affecting device performance allows negative biases to be placed on the inputs for greater safety. In addition, the capacitive nature of the inputs allows the use of series resistors on the inputs for extra noise suppression. The TC4403 is built for outstanding ruggedness and reliability in harsh applications. Input voltage excursions above the supply voltage or below ground are clamped internally without damaging the device. The output stages are power MOSFETs with high-speed body diodes to prevent damage to the driver from inductive kickbacks. DS21417B-page 1 TC4403 Functional Block Diagram 6 7 300mV Input Hysteresis 5 IN (GND) IN (VDD) VDD OUT (VDD) OUT (GND) 4 2 TC4403 GND 3 Effective Input C = 20pF (Each Input) Typical Application +15V TC4422 Power 6 RT 2 Fire 7 RLOAD TC4403 RT 4 Arm 5 3 1 MΩ 1 MΩ -15V DS21417B-page 2 2002 Microchip Technology Inc. TC4403 1.0 ELECTRICAL CHARACTERISTICS *Stresses above those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only and functional operation of the device at these or any other conditions above those indicated in the operation sections of the specifications is not implied. Exposure to Absolute Maximum Rating conditions for extended periods may affect device reliability. Absolute Maximum Ratings* Supply Voltage..................................................... +22V Package Thermal Resistance CERDIP RθJ-A........................................ 150°C/W CERDIP RθJ-C ......................................... 50°C/W PDIP RθJ-A ............................................. 125°C/W PDIP RθJ-C ............................................... 42°C/W Operating Temperature Range C Version .........................................0°C to +70°C E Version ..................................... -40°C to +85°C M Version................................... -55°C to +125°C Storage Temperature Range ............. -65°C to +150°C TC4403 ELECTRICAL SPECIFICATIONS Electrical Characteristics: TA = +25°C, with 4.5V ≤ VDD ≤ 18V, unless otherwise noted. Symbol Parameter Min Typ Max Units V Test Conditions Input VIH Logic 1, High Input Voltage 2.4 — — VIL Logic 0, Low Input Voltage — — 0.8 V IIN Input Current -1000 ±10 ±1000 nA V -5V ≤ VIN ≤ VDD Output VOH High Output Voltage VDD – 0.025 — — VOL Low Output Voltage — — 0.025 V ROS Sourcing Output Resistance — 2.8 5 Ω IOUT = 10mA, VDD = 18V ROG Grounding Output Resistance — 3.5 5 Ω IOUT = -10mA, VDD = 18V IPK Peak Output Current — 1.5 — A Switching Time (Note 1) tR Rise Time — 23 35 nsec Figure 3-1, CL = 1800pF tF Fall Time — 25 35 nsec Figure 3-1, CL = 1800pF tD1 Delay Time — 33 75 nsec Figure 3-1, CL = 1800pF tD2 Delay Time — 38 75 nsec Figure 3-1, CL = 1800pF — — 1.5 0.15 2.5 0.25 mA Power Supply Power Supply Current IS Note 1: VIN = 3V (Both Inputs) VIN = 0V (Both Inputs) Switching times ensured by design. 2002 Microchip Technology Inc. DS21417B-page 3 TC4403 TC4403 ELECTRICAL SPECIFICATIONS (CONTINUED) Electrical Characteristics: Over operating temperature range with 4.5V ≤ VDD ≤ 18V, unless otherwise noted. Symbol Parameter Min Typ Max Units V Test Conditions Input VIH Logic 1, High Input Voltage 2.4 — — VIL Logic 0, Low Input Voltage — — 0.8 V IIN Input Current -10,000 ±10 ±10,000 nA V -5V ≤ VIN ≤ VDD Output VOH High Output Voltage VDD – 0.025 — — VOL Low Output Voltage — — 0.025 V ROS Sourcing Output Resistance — 3.7 8 Ω VIN = 2.4V, IOUT = 10mA, VDD = 18V ROG Grounding Output Resistance — 4.3 8 Ω VIN = 2.4V, IOUT = -10mA, VDD = 18V Switching Time (Note 1) tR Rise Time — 28 60 nsec Figure 3-1, CL = 1800pF tF Fall Time — 32 60 nsec Figure 3-1, CL = 1800pF tD1 Delay Time — 32 100 nsec Figure 3-1, CL = 1800pF tD2 Delay Time — 38 100 nsec Figure 3-1, CL = 1800pF — — 2 0.2 3.5 0.3 mA Power Supply Power Supply Current IS Note 1: VIN = 3V (Both Inputs) VIN = 0V (Both Inputs) Switching times ensured by design. DS21417B-page 4 2002 Microchip Technology Inc. TC4403 2.0 PIN DESCRIPTIONS The descriptions of the pins are listed in Table 2-1. TABLE 2-1: Pin No. (8-Pin PDIP, CERDIP) PIN FUNCTION TABLE Symbol 1 NC 2 IN (VDD) 3 GND 4 IN (GND) 5 OUT (GND) 6 VDD 7 OUT (VDD) 8 NC 2002 Microchip Technology Inc. Description No connection. Control input VDD, TTL/CMOS compatible logic input signal, controls OUT (VDD). Ground. Control Input GND, TTL/CMOS compatible logic input signal, controls OUT (GND). Output GND, CMOS Pull Down Output. Supply Input, 4.5V to 18V. Output VDD, CMOS pull-up output. No connection. DS21417B-page 5 TC4403 3.0 APPLICATIONS INFORMATION FIGURE 3-1: SWITCHING TIME TEST CIRCUITS VDD = 16V VDD = 16V 1µF WIMA MKS-2 Input VDD 0.1µF MLC 1µF WIMA MKS-2 10kΩ Output 0.1µF MLC Input VDD CL = 1800pF TC4403 TC4403 CL = 1800pF Input GND Input GND Output 10KΩ +5V +5V Input Input 0V 16V 10% tD1 0V DS21417B-page 6 90% 16V 90% Output 0V 10% tF Output 10% 0V tD1 tR 10% 2002 Microchip Technology Inc. TC4403 4.0 TYPICAL CHARACTERISTICS Note: The graphs and tables provided following this note are a statistical summary based on a limited number of samples and are provided for informational purposes only. The performance characteristics listed herein are not tested or guaranteed. In some graphs or tables, the data presented may be outside the specified operating range (e.g., outside specified power supply range) and therefore outside the warranted range. Fall Time vs. Supply Voltage Rise Time vs. Supply Voltage 100 100 4700pF p TA °C tFALL (nsec) tRISE (nsec) 3300pF 60 2200pF p 40 1500pF p 1000pF p 20 470pF 3300pF 60 2200pF p 40 1500pF p 1000pF p 20 470pF 0 0 4 6 8 10 12 VDD (V) 14 16 4 18 6 8 10 12 VDD (V) 14 16 18 Fall Time vs. Capacitive Load Rise Time vs. Capacitive Load 100 100 TA = +25°C TA = +25°C 5V 60 5V 80 10V 15V 40 tFALL (nsec) 80 tRISE (nsec) TA = +25°C 4700pF p 80 80 20 60 10V 15V 40 20 0 100 0 100 10,000 1000 CLOAD (pF) 1000 CLOAD (pF) Rise and Fall Times vs. Temperature 10,000 Propagation Delay vs. Input Amplitude 32 C V = 2200pF = 18V tFALL TIME (nsec) 28 tRISE 26 24 tRISE 22 20 C VDD 100 DELAY TIME (nsec) 30 tD1 80 60 40 tD2 tFALL 18 -55 -35 -15 5 25 45 65 85 105 125 TEMPERATURE (°C) 2002 Microchip Technology Inc. = 2200pF 20 0 1 2 3 4 5 6 7 8 INPUT (V) 9 10 11 12 DS21417B-page 7 TC4403 TYPICAL CHARACTERISTICS (CONTINUED) Delay Time vs. Supply Voltage Delay Time vs. Temperature 50 50 °C 45 DELAY TIME (ns) DELAY TIME (nsec) CLOAD = 2200pF C T 45 40 tD2 35 tD1 30 tD2 40 35 tD1 30 25 25 20 -55 -35 -15 20 4 6 8 10 12 14 16 18 5 25 45 65 85 105 125 TEMPERATURE (°C) VDD (V) Quiescent Current vs. Temperature Quiescent Current vs. Voltage 1.4 TA = +25°C BOTH INPUTS = 1 1.2 IQUIESCENT (mA) IQUIESCENT (mA) 1 BOTH INPUTS = 0 0.1 1.0 INPUTS = 1 0.8 0.6 0.4 0.2 INPUTS = 0 0.0 0.01 4 6 8 10 12 14 16 -55 -35 -15 18 45 65 85 105 125 1600 5.1 4.5 2.768V 3.9 2.727V + 2.7 MAX. POWER (mW) 1400 CLOSED CIRCUIT VOLTAGE 25 Thermal Derating Curves Typical Discharge Characteristics 5.7 3.3 5 TEMPERATURE (°C) VDD (V) 8 Pin DIP 1200 8 Pin CERDIP 1000 800 600 400 200 + 0 0 10 20 30 40 50 60 70 80 90 100 110 120 AMBIENT TEMPERATURE (°C) 2.1 1.5 0 75 150 225 300 525 75 HOURS HOURS OF SERVICE DS21417B-page 8 2002 Microchip Technology Inc. TC4403 5.0 PACKAGING INFORMATION 5.1 Package Marking Information Package marking data not available at this time. 5.2 Package Dimensions 8-Pin Plastic DIP PIN 1 .260 (6.60) .240 (6.10) .045 (1.14) .030 (0.76) .070 (1.78) .040 (1.02) .310 (7.87) .290 (7.37) .400 (10.16) .348 (8.84) .200 (5.08) .140 (3.56) .040 (1.02) .020 (0.51) .150 (3.81) .115 (2.92) .110 (2.79) .090 (2.29) .015 (0.38) .008 (0.20) 3° MIN. .400 (10.16) .310 (7.87) .022 (0.56) .015 (0.38) Dimensions: inches (mm) 8-Pin CERDIP (Narrow) .110 (2.79) .090 (2.29) PIN 1 .300 (7.62) .230 (5.84) .020 (0.51) MIN. .055 (1.40) MAX. .320 (8.13) .290 (7.37) .400 (10.16) .370 (9.40) .200 (5.08) .160 (4.06) .040 (1.02) .020 (0.51) .150 (3.81) MIN. .200 (5.08) .125 (3.18) .015 (0.38) .008 (0.20) 3° MIN. .400 (10.16) .320 (8.13) .065 (1.65) .020 (0.51) .045 (1.14) .016 (0.41) Dimensions: inches (mm) 2002 Microchip Technology Inc. DS21417B-page 9 TC4403 NOTES: DS21417B-page 10 2002 Microchip Technology Inc. TC4403 Sales and Support Data Sheets Products supported by a preliminary Data Sheet may have an errata sheet describing minor operational differences and recommended workarounds. To determine if an errata sheet exists for a particular device, please contact one of the following: 1. 2. 3. Your local Microchip sales office The Microchip Corporate Literature Center U.S. FAX: (480) 792-7277 The Microchip Worldwide Site (www.microchip.com) Please specify which device, revision of silicon and Data Sheet (include Literature #) you are using. New Customer Notification System Register on our web site (www.microchip.com/cn) to receive the most current information on our products. 2002 Microchip Technology Inc. DS21417B-page11 TC4403 NOTES: DS21417B-page12 2002 Microchip Technology Inc. TC4403 Information contained in this publication regarding device applications and the like is intended through suggestion only and may be superseded by updates. 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