MIC4467/4468/4469 Micrel MIC4467/4468/4469 Quad 1.2A-Peak Low-Side MOSFET Driver Bipolar/CMOS/DMOS General Description Features The MIC4467/8/9 family of 4-output CMOS buffer/drivers is an expansion from the earlier single- and dual-output drivers, to which they are functionally closely related. Because package pin count permitted it, each driver has been equipped with a 2-input logic gate for added flexibility. Placing four highpower drivers in a single package also improves system reliability and reduces total system cost. In some applications, one of these drivers can replace not only two packages of single-input drivers, but some of the associated logic as well. • • • • • • • • • • Although primarily intended for driving power MOSFETs, and similar highly capacitive loads, these drivers are equally well suited to driving any other load (capacitive, resistive, or inductive), which requires a high-efficiency, low-impedance driver capable of high peak currents, rail-to-rail voltage swings, and fast switching times. For example, heavily loaded clock lines, coaxial cables, and piezoelectric transducers can all be Applications • • • • • • • Built using reliable, low power CMOS processes Latchproof. Withstands 500mA Inductive Kickback 3 Input Logic Choices Symmetrical Rise and Fall Times .......................... 25ns Short, Equal Delay Times ...................................... 75ns High Peak Output Current ...................................... 1.2A Wide Operating Range .................................. 4.5 to 18V Low Equivalent Input Capacitance (typ) .................. 6pF Inputs = Logic 1 for Any Input From 2.4V to VS ESD Protected General-Purpose CMOS Logic Buffer Driving All 4 MOSFETs in an H-Bridge Direct Small-Motor Driver Relay or Peripheral Drivers Dual Differential Output Power Drivers CCD Driver Pin-Switching Network Driver Logic Diagrams MIC4467 MIC4468 MIC4469 VS VS VS 14 1A 1B 13 1Y 2A 2B 3 4 12 3A 3B 5 6 4A 4B 8 9 7 GND 14 14 1 2 1A 1B 1 2 13 1Y 2Y 2A 2B 3 4 12 2Y 11 3Y 3A 3B 5 6 11 3Y 10 4Y 4A 4B 8 9 10 4Y 1A 1B 1 2 13 1Y 2Y 2A 2B 3 4 12 11 3Y 3A 3B 5 6 10 4Y 4A 4B 8 9 7 GND 5-80 7 GND April 1998 MIC4467/4468/4469 Micrel driven easily with MIC446X series drivers. The only limitation on loading is that total power dissipation in the IC must be kept within the power dissipation limits of the package. The MIC446X series drivers are built using a BCD process. They will not latch under any conditions within their power and Truth Table Ordering Information Part No. Package Part No. A B Output Y MIC4467 (Each Driver) L X H X L H H H L MIC4468 (Each Driver) H L X H X L H L L MIC4469 (Each Driver) L X H X H L L L H Temp. Range MIC44xxCN* 14-Pin Plastic DIP 0° to +70°C MIC44xxCWM* 16-Pin Wide SOIC 0° to +70°C MIC44xxBN* 14-Pin Plastic DIP –40° to +85°C MIC44xxBWM* 16-Pin Wide SOIC –40° to +85°C * xx identifies input logic: 67 — NAND voltage ratings. They are not subject to damage when up to 5V of noise spiking (either polarity) occurs on the ground line. They can accept up to half an amp of inductive kickback current (either polarity) into their outputs without damage or logic upset. Inputs 68 — AND 69 — AND with 1 inverting input 5 Pin Configurations 16-Pin Wide SOIC (WM) 14-Pin DIP (N) 1A 1 14 VS 1A 1 16 VS 1B 2 13 1Y 1B 2 15 VS 2A 3 12 2Y 2A 3 14 1Y 2B 4 13 2Y 3A 5 12 3Y 3B 6 11 4Y 2B 4 11 3Y 3A 5 10 4Y 3B 6 9 4B GND 7 10 4B GND 7 8 4A GND 8 9 4A TOP VIEW April 1998 TOP VIEW 5-81 MIC4467/4468/4469 Micrel Block Diagrams VS MIC4467 5V Regulator IN A Level Shifter Y OUT IN B GND Functional Diagram for One Driver (Four Drivers per Package–Ground Unused Inputs) VS MIC4468 5V Regulator IN A Level Shifter Y OUT IN B GND Functional Diagram for One Driver (Four Drivers per Package–Ground Unused Inputs) VS MIC4469 5V Regulator IN A Level Shifter Y OUT IN B GND Functional Diagram for One Driver (Four Drivers per Package–Ground Unused Inputs) 5-82 April 1998 MIC4467/4468/4469 Micrel Absolute Maximum Ratings (Notes 1 and 2) Supply Voltage 22V Input Voltage (GND – 5V) to (VS + 0.3V) Maximum Chip Temperature Operating 150°C Storage –65° to +150°C Maximum Load Temperature (10 sec, for soldering) 300°C Operating Ambient Temperature C Version 0° to +70°C B Version –40° to +85°C Electrical Characteristics: Symbol Power Dissipation N Package (14-Pin Plastic DIP) WM Package (16-Pin Wide SOIC) 1.5W 1W Package Thermal Resistance N Package (14-Pin Plastic DIP) θJA WM Package (16-Pin Wide SOIC) θJA 80°C/W 120°C/W Measured at TA = 25°C with 4.5V ≤ VS ≤ 18V unless otherwise specified. Parameter Conditions Min Typ 2.4 1.3 Max Units INPUT VIH Logic 1 Input Voltage VIL Logic 0 Input Voltage IIN Input Current 0 ≤ VIN ≤ VS VOH High Output Voltage ILOAD = 10mA VOL Low Output Voltage ILOAD = 10mA RO Output Resistance IOUT = 10mA, VS = 18V IPK Peak Output Current I Latch-Up Protection Withstand Reverse Current 1.2 –1 V 0.8 V 1 µA OUTPUT VS-0.15 V 5 0.15 V 15 Ω 1.2 A >500 mA SWITCHING TIME tR Rise Time Test Figure 1 14 25 ns tF Fall Time Test Figure 1 13 25 ns tD1 Delay Time Test Figure 1 30 75 ns tD2 Delay Time Test Figure 1 45 75 ns 0.2 4 mA POWER SUPPLY IS April 1998 Power Supply Current Supply 5-83 5 MIC4467/4468/4469 Micrel Electrical Characteristics: Measured over operating temperature range with 4.5V ≤ VS ≤ 18V unless otherwise specified. Symbol Parameter Conditions Min Typ 2.4 1.4 Max Units INPUT VIH Logic 1 Input Voltage VIL Logic 0 Input Voltage IIN Input Current 0 ≤ VIN ≤ VS VOH High Output Voltage ILOAD = 10 mA VOL Low Output Voltage ILOAD = 10 mA RO Output Resistance IOUT = 10 mA, VS = 18V IPK Peak Output Current I Latch-Up Protection Withstand Reverse Current 1.0 –1 V 0.8 V 1 µA OUTPUT VS-0.3 V 7 0.3 V 30 Ω 1.2 A 500 mA SWITCHING TIME tR Rise Time Test Figure 1 17 50 ns tF Fall Time Test Figure 1 16 50 ns tD1 Delay Time Test Figure 1 35 100 ns tD2 Delay Time Test Figure 1 55 100 ns 0.4 8 mA POWER SUPPLY IS Power Supply Current Supply NOTE 1: Functional operation above the absolute maximum stress ratings is not implied. NOTE 2: Static sensitive device. Store only in conductive containers. Handling personnel and equipment should be grounded to prevent static damage. 5-84 April 1998 MIC4467/4468/4469 Micrel Typical Characteristics Rise and Fall Time vs. Supply Voltage 35 CL = 1000pF TA = 25°C 30 40 30 TR 20 TF 10 5 10 15 SUPPLY VOLTAGE (V) 20 15 0 5 10 15 SUPPLY VOLTAGE (V) TD2 25 20 TD1 15 -75 -50 -25 0 25 50 75 100 125 150 TEMPERATURE (°C) 20 10 5 0 1k 400kHz T A = 25°C VS = 18V 70 Rise and Fall Time vs. Capacitive Load T A = 25°C VS = 18V 60 40 30 10 10 100 1000 10000 CAPACITIVE LOAD (pF) Low Output vs. Current TA = 25°C VC = 5V | VS – VOUT | (V) .96 20 10 V 10 .72 10 V .48 15 V 5V .24 .00 0 1 April 1998 10 100 FREQUENCY (kHz) 1000 100 1000 10000 CAPACITIVE LOAD (pF) 1.20 TA = 25°C OUTPUT VOLTAGE (V) VS = 18V TA = 25°C CL = 1000pF 10 High Output vs. Current 1.20 30 5 10 1 0 Supply Current vs. Frequency TF 200 kHz 20kHz 20 -75 -50 -25 0 25 50 75 100 125 150 TEMPERATURE (°C) TR 100 50 Time (ns) 30 Time (ns) 10 80 SUPPLY CURRENT (mA) 35 CL = 1000pF VS = 18V TR 20 Supply Current vs. Capacitive Load Delay Time vs. Temperature SUPPLY CURRENT (mA) TD1 10 0 20 TF TD2 5 0 0 CL = 1000pF VS = 18V 30 25 Time (ns) Time (ns) 50 40 CL = 1000pF TA = 25°C Time (ns) 70 60 Rise and Fall Time vs. Temperature Delay Time vs. Supply Voltage VS = 5V .96 .72 10 V .48 15 V .24 .00 0 10 20 30 40 50 60 70 80 90 100 CURRENT SOURCED (mA) 5-85 0 10 20 30 40 50 60 70 80 90 100 CURRENT SUNK (mA) MIC4467/4468/4469 Micrel Quiescent Power Supply Current vs. Supply Voltage SUPPLY CURRENT (µA) SUPPLY CURRENT (mA) 2.5 Quiescent Power Supply 400 Current vs. Supply Voltage 2.0 1.5 1.0 NO LOAD BOTH INPUTS LOGIC "1" TA = 25°C 0.5 300 200 150 NO LOAD BOTH INPUTS LOGIC "0" TA = 25°C 100 50 0 0 0 5 10 15 20 0 5 10 15 SUPPLY VOLTAGE (V) SUPPLY VOLTAGE (V) 20 Test Figure 1 INVERTING INPUT VS +5V 90% V INPUT 1 µF FILM 10% 0.1 µF CERAMIC tD1 V OUTPUT VOUT 470 pF IN1 IN1 IN2 18V tD2 tF tR 90% 90% 10% 0V 10% IN2 NON-INVERTING INPUT IN3 +5V IN3 90% V INPUT 10% IN4 IN4 18V V OUTPUT 90% tD1 10% 0V Package Power Dissipation tF 10% Quad Driver Drives H Bridge to Control Motor Speed and Direction 1500 1250 tR 90% tD2 14-PIN PDIP SLOPE = –12 mW/°C +5V TO +15V MIC4467 PD (mW) 1000 CW 750 CCW DC BRUSH MOTOR 500 250 0 25 16-PIN WIDE SOIC SLOPE = –8 mW/°C 50 75 100 125 AMBIENT TEMPERATURE (°C) PWM SPEED 150 GND 5-86 April 1998