MAX4426/
MAX4427/MAX4428
Dual High-Speed 1.5A MOSFET Drivers
General Description
The MAX4426/MAX4427/MAX4428 are dual monolithic
MOSFET drivers designed to translate TTL/CMOS inputs
to high voltage/current outputs. The MAX4426 is a dual
inverting power MOSFET driver. The MAX4427 is a dual
noninverting power MOSFET driver, and the MAX4428
contains one inverting section and one noninverting
section. Delay times are nearly independent of VDD
(see Typical Operating Characteristics). High-current
output drivers rapidly charge and discharge the gate
capacitance of even the largest power MOSFETs to
within millivolts of the supply rails. This produces the
power MOSFETs' minimum on resistance. The MAX4426/
MAX4427/MAX4428's high speed minimizes power losses in switching power supplies and DC-DC converters.
Applications
Switching Power Supplies
DC-DC Converters
Motor Controllers
Pin-Diode Drivers
Charge-Pump Voltage Inverters
Features
S Upgrade for TSC4426/TSC4427/TSC4428
S Lower On Resistance: 4Ω vs. 7Ω
S Shorter Delay Times: tD1 - 10ns vs. 30ns
tD2 - 25ns vs. 50ns
S 1.5A Peak Output Current
S Fast Rise and Fall Times: Typically 20ns with
1000pF Load
S Wide Operating Range: 4.5V to 18V
S Low Power Consumption: 1.8mA with Logic 1 Input
200µA with Logic 0 Input
S TTL/CMOS Compatible
S Latchup Protected-Withstand > 500mA Reverse
Current
S ESD Protected
Ordering Information
PART
TEMP RANGE
PIN-PACKAGE
MAX4426CPA
N.C.
1
8
2
GND
3
6
VDD
INB
4
5
OUTB
MAX4426
INVERTING
Dice*
-40NC to +85NC
8 Plastic DIP
-40NC to +85NC
8 SO
MAX4426EJA
7 OUTA
Functional Diagrams
2, 4
7, 5
INA
8 SO
0NC to +70NC
MAX4426ESA
N.C.
0NC to +70NC
MAX4426C/D
MAX4426EPA
TOP VIEW
8 Plastic DIP
MAX4426CSA
Pin Configurations
0NC to +70NC
-40NC to +85NC
8 CERDIP
MAX4426MJA
-55NC to +125NC
8 CERDIP**
Ordering Information continued on end of data sheet.
*Dice are tested at TA = +25°C.
**Contact factory for availability and processing to MIL-STD-883.
Typical Operating Circuit
DIP/SO
N.C.
1
8
N.C.
INA
2
7
OUTA
GND
3
6
VDD
INB
4
5
OUTB
VDD = +18V
MAX4427
2, 4
7, 5
4.7µF
NONINVERTING
DIP/SO
N.C.
1
INA
2
GND
MAX4426
8
3
N.C.
7
VDD
2
7
INPUT
4
Pin Configurations appear at end of data sheet.
INB 4
5 OUTB
Functional Diagrams continued at end of data sheet.
UCSP is a trademark of Maxim Integrated Products, Inc.
OUTPUT*
A
OUTA
6
MAX4428
0.1µF
5
INPUT
OUTPUT*
B
DIP/SO
For pricing, delivery, and ordering information, please contact Maxim Direct
at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.
19-0132; Rev 2; 6/06
