Specifications

www.digikey.com/maxim-industrial 55
Programmable logic controllers (PLCs)
Recommended solutions
Isolated power-supply functions
Part Description Features Benefits
DC-DC converters and controllers
MAX5080/81 Step-down DC-DC converters with
integrated switch
4.5V/7.5V to 40V V
IN
; 1.23V to 32V V
OUT
; switch
to pulse-skip mode at light loads; integrated
high-side switch
Save cost with integrated DC-DC
converters that power directly off an
industrial bus
MAX5072 Dual-output buck or boost converter with
integrated switch
4.5V to 5.5V or 5.5V to 23V V
IN
; 0.8V (buck) to
28V (boost) V
OUT
; configure each output as buck
or boost
Improves reliability with controlled inrush
current, thermal shutdown, short-circuit
protection
MAX15023 Wide 4.5V to 28V input, dual-output
synchronous buck controller
4.5V to 28V V
IN
; V
OUT
= 0.6V to 0.85 × V
IN
;
hiccup mode
Thermal shutdown and short-circuit-
protection protect system
MAX15034 Single-/dual-output synchronous buck
controller for high-current applications
4.75V to 5.5V or 5V to 28V V
IN
; V
OUT
= 0.61V to
5.5V; 25A or 50A output
Thermal shutdown and monotonic start
protect devices, improve reliability
MAX15048/49 3-channel DC-DC controllers with tracking/
sequencing
4.7V to 23V V
IN
; V
OUT
= 0.6V to 19V; tracking
across the three outputs; power sequencing
Save space and costs by integrating three
switching controllers
Isolated power-supply controllers and converters
MAX5094/95 High-performance single-ended, current-
mode PWM controllers
Adjustable frequency; high-voltage startup;
internal error amplifier; thermal shutdown
Enhance reliable operation of high-
performance PLCs with short 60ns delay
from current sense to output
MAX5042 Two-switch, voltage-mode PWM power IC
with integrated power MOSFETs and hot-
swap controller
Adjustable frequency; high-voltage start-
up; internal error amplifier; synchronizable
frequencies; synchronous rectifier driver
Integrated hot-swap controller and
MOSFETs cut costs and connect directly to
48V bus; simplifies board design
MAX5070 Single-ended current-mode PWM controller Adjustable frequency; high-voltage startup;
internal error amplifier
Enhances reliable operation with less than
half the delay of competing solutions from
current sense to output
MAX5069 High-frequency current-mode PWM
controller with accurate oscillator and dual
FET drivers
Adjustable frequency; high-voltage startup;
internal error amplifier; synchronizable
frequencies
Lowers BOM costs using a smaller inductor
and output filter capacitor for 100W
applications
MAX5014 Current-mode PWM controller with
integrated start up circuit
High-voltage startup Lowers BOM cost and simplifies design;
eliminates the need for external startup
components for 75W applications
MAX256 3W primary-side transformer H-bridge driver
for isolated supplies
Isolated power supply up to 3W Simple open-loop circuit speeds power-
supply design; reduces time to market
MOSFET/rectifier drivers
MAX5079 OR-ing MOSFET controller Ultra-fast 200ns turn-off Reduces cost/size/power in high-power
applications by replacing Schottky diodes
MAX5075 Push-pull FET driver with clock output and
integrated oscillator
Adjustable frequency; synchronizable
frequencies; undervoltage lockout (UVLO)
Lowers overall system cost of unregulated
isolated power supplies/modules that drive
PLCs
MAX5059 Parallelable, secondary-side synchronous
rectifier driver and feedback-generator
controller IC
Internal error amplifier; synchronizable
frequencies; synchronous rectifier driver;
thermal shutdown; UVLO
Simplifies design; lowers BOM costs with
integrated digital-output margining circuit
MAX15024/25 FET drivers Single/dual operation; 16ns; high sink/source
current
Simplify design with a very low propagation
delay and a thermally enhanced package
MAX5048
MAX5054/55/56/57
MAX5078
FET drivers 4A to 7.6A; 12ns to 20ns; single/dual MOSFET
drivers
Increase flexibility for modular PLC
supplies with inverting/noninverting inputs
to control the MOSFET
(Continued on next page)
Recommended solutions (continued)