DUAL LOW-SIDE MOSFET DRIVERS 4426/7/8RP INVERTING OUTA

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DUAL LOW-SIDE MOSFET DRIVERS 4426/7/8RP INVERTING OUTA

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SPACE PRODUCTS
DUAL LOW-SIDE MOSFET DRIVERS
4426/7/8RP
INVERTING
OUTA
NON-INVERTING
4428RP
OUTA
INVERTING
OUTB
OUTB
NON-INVERTING
Memory
FEATURES:
Latch-Up protection reverse current A-Peak output current 4.5V operating range quiescent supply current Logic Input Logic Input Switches 1000 nSec output impedance nSec delay TTL/CMOS Compatible Protected
DESCRIPTION:
Space Electronics' 4426/7/8 highly reliable, dual low-side MOSFET drivers, processed power consumption high efficiency. These drivers translate CMOS input logic levels output voltage levels that swing within 25mV positive supply ground. 4426/7/8 family devices available dual inverting, dual non-inverting inverting plus non-inverting outputs. SEI4426/7/8 MOSFET drivers suitable driving other loads, which require low-impedance, high peak current, fast switching times. Other applications include receivers star-trackers.
0507.99Rev0
data sheets subject change without notice
(858) 452-4167 Fax: (858) 452-5499 www.spaceelectronics.com
©1999 Space Electronics Inc. rights reserved.
4426/7/8RP
PARAMETER Supply Voltage Input Voltage Junction Temperature Storage Temperature Lead Temperature SYMBOL TSTG
DUAL LOW-SIDE MOSFET DRIVERS
TABLE 4426/7/8RP ABSOLUTE MAXIMUM RATINGS
-MAX UNIT
TABLE 4426/7/8RP RECOMMENDED OPERATING CONDITIONS
PARAMETER Supply Voltage Ambient Temperature Rage SYMBOL UNIT
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TABLE 4426/7/8RP ELECTRICAL CHARACTERISTICS
(4.5V 18V; BOLD VALUES INDICATE UNLESS NOTED) PARAMETER Input Logic Input Voltage Logic Input Voltage Input Current Output High Output Voltage Output Voltage Output Resistance Peak Output Current Latch-Up Protection Switching Time Rise Time Fall Time Delay Time Delay Time test Figure test Figure test Figure test Figure withstand reverse current IOUT 0.025 ->500 -0.025 -0.8 SYMBOL CONDITION UNIT
0507.99Rev0
data sheets subject change without notice
©1999 Space Electronics Inc. rights reserved.
4426/7/8RP
PARAMETER Pulse Width Power Supply Power Supply Current Power Supply Current VINA VINB 3.0V VINA VINB 0.0V SYMBOL CONDITION test Figure
DUAL LOW-SIDE MOSFET DRIVERS
TABLE 4426/7/8RP ELECTRICAL CHARACTERISTICS
(4.5V 18V; BOLD VALUES INDICATE UNLESS NOTED) -TYP -1.4 0.18 0.19 -4.5 UNIT
Devices protected; however, handling precautions recommended.
FIGURE INVERTING CONFIGURATION
Memory
FIGURE INVERTING TIMING
0507.99Rev0
data sheets subject change without notice
©1999 Space Electronics Inc. rights reserved.
4426/7/8RP
DUAL LOW-SIDE MOSFET DRIVERS
FIGURE NONINVERTING CONFIGURATION
FIGURE NONINVERTING TIMING
Memory
FIGURE RISE FALL TIME SUPPLY VOLTAGE
FIGURE DELAY TIME SUPPLY VOLTAGE
0507.99Rev0
data sheets subject change without notice
©1999 Space Electronics Inc. rights reserved.
4426/7/8RP
DUAL LOW-SIDE MOSFET DRIVERS
FIGURE RISE FALL TIME TEMPERATURE
FIGURE DELAY TIME TEMPERATURE
Memory
FIGURE SUPPLY CURRENT CAPACITAVE LOAD
0507.99Rev0
data sheets subject change without notice
©1999 Space Electronics Inc. rights reserved.
4426/7/8RP
DUAL LOW-SIDE MOSFET DRIVERS
FIGURE RISE FALL TIME CAPACITIVE LOAD
FIGURE SUPPLY CURRENT FREQUENCY
Memory
FIGURE HIGH OUTPUT CURRENT
0507.99Rev0
data sheets subject change without notice
©1999 Space Electronics Inc. rights reserved.
4426/7/8RP
DUAL LOW-SIDE MOSFET DRIVERS
FIGURE OUTPUT CURRENT
FIGURE QUIESCENT POWER SUPPLY CURRENT SUPPLY VOLTAGE
Memory
FIGURE QUIESCENT POWER SUPPLY CURRENT SUPPLY VOLTAGE
0507.99Rev0
data sheets subject change without notice
©1999 Space Electronics Inc. rights reserved.
4426/7/8RP
DUAL LOW-SIDE MOSFET DRIVERS
FIGURE PACKAGE POWER DISSIPATION
APPLICATIONS INFORMATION
Supply Bypassing Large currents required charge discharge large capacitive loads quickly. example, changing 1000pF load 25ns requires 0.8A from supply input. guarantee supply impedance over wide frequency range, parallel capacitors recommended power supply bypassing. Low-inductance ceramic capacitors with short lead lengths 0.5") should used. film capacitor parallel with ceramic capacitors normally provides adequate bypassing. Grounding When using inverting drivers, individual ground returns input output circuits ground plane recommended optimum switching speed. voltage drop that occurs between driver's ground input signal ground, during normal high-current switching, will behave negative feedback degrade switching speed. Control Input Unused driver inputs must connected logic high (which ground. lowest quiescent current connect unused inputs ground. logic-high signal will cause driver draw drivers designed with control input hysteresis. This provides clean transitions minimizes output stage current spikes when changing states. control input voltage threshold approximately 1.5V. control input recognizes 1.5V logic high draws less than within this range. Power Dissipation Power dissipation should calculated make sure that driver operated beyond thermal ratings. Quiescen power dissipation negligible. practical value total power dissipation dissipation caused load transition power dissipation Load Dissipation Power dissipation caused continuous load current (when driving resistive load) through driver's output resistance capacitive loads, dissipation driver
0507.99Rev0
Memory
data sheets subject change without notice
©1999 Space Electronics Inc. rights reserved.
4426/7/8RP
Transition Dissipation
DUAL LOW-SIDE MOSFET DRIVERS
applications switching high frequency, transition power dissipation significant. This occurs during switching transitions when P-channel N-channel output FETs both conducting brief moment when turning other turning off. Charge read from following graph:
CROSSOVER ENERGY LOSS TRANSITION
Memory
0507.99Rev0
data sheets subject change without notice
©1999 Space Electronics Inc. rights reserved.
4426/7/8RP
DUAL LOW-SIDE MOSFET DRIVERS
Memory
RAD-PAK® FLAT PACKAGE
SYMBOL 0.338 0.021 0.005 0.119 0.010 0.004 0.250 0.250 -0.125 0.030 DIMENSION 0.132 0.017 0.005 0.255 0.255 -0.175 0.040 0.050 0.348 0.025 0.019 0.358 0.045 -MAX 0.145 0.022 0.009 0.260 0.260 0.290
F8-01 Note: dimensions inches
0507.99Rev0
data sheets subject change without notice
©1999 Space Electronics Inc. rights reserved.
4426/7/8RP
Important Notice:
DUAL LOW-SIDE MOSFET DRIVERS
These data sheets created using chip manufacturers published specifications. Space Electronics verifies functionality testing parameters either 100% testing, sample testing characterization. specifications presented within these data sheets represent latest most accurate information available date. However, these specifications subject change without notice Space Electronics assumes responsibility this information. Space Electronics' products authorized critical components life support devices systems without express written approval from Space Electronics. claim against Space Electronics Inc. must made within days from date shipment from Space Electronics. Space Electronics' liability shall limited replacement defective parts.
Memory
0507.99Rev0
data sheets subject change without notice
©1999 Space Electronics Inc. rights reserved.

DUAL LOW-SIDE MOSFET DRIVERS 4426/7/8RP INVERTING OUTA

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