93334

UNISONIC TECHNOLOGIES CO., LTD 93334 LINEAR INTEGRATED CIRCUIT HIGH ENERGY IGNITION CIRCUIT  DESCRIPTION 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.  FEATURES * Very Low Peripheral Component Count * No Critical System Resistors * Wide Supply Voltage Operating Range (4.0V ~ 24V) * Overvoltage Shutdown (30V) * Dwell Automatically Adjusts to Produce Optimum Stored Energy without Waste * Externally Adjustable Peak Current * Transient Protected Inputs and Outputs  ORDERING INFORMATION Ordering Number 93334G-S08-R Note: Pin Assignment: G: Gate D: Drain S: Source Package SOP-8 SOP-8 Packing Tape Reel  MARKING www.unisonic.com.tw Copyright © 2016 Unisonic Technologies Co., Ltd 1 of 4 QW-R121-006.D 93334  PIN CONFIGURATION LINEAR INTEGRATED CIRCUIT  BLOCK DIAGRAM AND TYPICAL APPLICATION Component Values Pickup Coil RL R1, R2 C1, C2 RBAT CFilter CDWELL RGAIN RD2 RS RDRIVE RD1 Series resistance = 800Ω±10% @ 25℃, inductance= 1.35H @ 1.0kHz @ 15Vrms Leakage L=0.6mH, primary R=0.43Ω±5% @ 25℃, primary L=7.5mH ~ 8.5mH @ 5.0A Load resistor for pickup=12KΩ±20% Input buffer resistors provide additional transient protection to the already clamped inputs=20k±20% For reduction of high frequency noise and spark transients induced in pick-up and leads; optional and non-critical Provides load dump protection (but small enough to allow operation at VBAT =4.0V) =300Ω±...