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MC3334

Motorola
Part Number MC3334
Manufacturer Motorola
Description HIGH ENERGY IGNITION CIRCUIT
Published Aug 28, 2005
Detailed Description Order this document by MC3334/D High Energy Ignition Circuit This device is designed to use the signal from a reluctor ...
Datasheet PDF File MC3334 PDF File

MC3334
MC3334

Overview
Order this document by MC3334/D High Energy Ignition Circuit This device is designed to use the signal from a reluctor type ignition pickup to produce a well controlled output from a power Darlington output transistor.
• Very Low Peripheral Component Count MC3334 MCC3334 MCCF3334 HIGH ENERGY IGNITION CIRCUIT SEMICONDUCTOR TECHNICAL DATA • • • • • • • No Critical System Resistors Wide Supply Voltage Operating Range (4.
0 V to 24 V) Overvoltage Shutdown (30 V) Dwell Automatically Adjusts to Produce Optimum Stored Energy without Waste Externally Adjustable Peak Current Available in Chip and Flip–Chip Form Transient Protected Inputs and Outputs 8 1 P SUFFIX PLASTIC PACKAGE CASE 626 MAXIMUM RATINGS Rating Power Supply Voltage–Steady State Transient 300 ms or less Output Sink Current–Steady State Transient 300 ms or less Junction Temperature Operating Temperature Range Storage Temperature Range Power Dissipation, Plastic Package, Case 626 Derate above 25°C Symbol Vbat IO(Sink) TJ(max) TA Tstg PD Value 24 90 300 1.
0 150 –40 to +125 –65 to +150 1.
25 10 Unit V mA A °C °C °C W mW/°C D SUFFIX PLASTIC PACKAGE CASE 751 (SO–8) ORDERING INFORMATION Device MC3334P MC3334D MCC3334 MCCF3334 TA = – 40° to +125°C Operating Temperature Range Package Plastic DIP SO–8 Chip Flip–Chip Figure 1.
Block Diagram and Typical Application Rbat 300 V ts t RA 20k Reluctor Pickup 1.
35H C1* 470 C2* 0.
01 RL 10k S2 5 RB 20k + S1 4 – C CDwell 0.
1 3 + Dwell Reference Buffer Current Limit Sense + – CFilter 0.
1 6 Input Comparator with Hysteresis VCC RDrive 100 Ignition Coil Primary 8.
0mH 4.
0 Vbat–24 Vdc Power Output & OVP 7 IO RGain 5.
0k 8 IL RD2 100 RD1 35–350 **MJ10012 RS 0.
075 MC3334 Sense *Optional parts for extended transient protection Ground **A 350 V zener clamp is required when using the standard MJ10012.
**This clamp is not required if a selected version with VCEO(sus) 550 V is used.
2 1 Power Ground w © Motorola, Inc.
1996 Rev 0 MOTOROLA ANALOG IC DEVICE DATA 1 MC3334 MCC3334 M...


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