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MAX5035_11

Description
2.5 A SWITCHING REGULATOR, 137 kHz SWITCHING FREQ-MAX, PDSO8
Categorysemiconductor    Analog mixed-signal IC   
File Size278KB,17 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
Download Datasheet Parametric Compare View All

MAX5035_11 Overview

2.5 A SWITCHING REGULATOR, 137 kHz SWITCHING FREQ-MAX, PDSO8

MAX5035_11 Parametric

Parameter NameAttribute value
Number of functions1
Number of terminals8
Rated input voltage12 V
Maximum limit input voltage76 V
Minimum limit input voltage7.5 V
Maximum operating temperature125 Cel
Minimum operating temperature-40 Cel
Processing package descriptionSOP-8
stateACTIVE
CraftsmanshipBICMOS
packaging shapeRECTANGULAR
Package SizeSMALL OUTLINE
surface mountYes
Terminal formGULL WING
Terminal spacing1.27 mm
terminal coatingTIN LEAD
Terminal locationDUAL
Packaging MaterialsPLASTIC/EPOXY
Temperature levelAUTOMOTIVE
control modeVOLTAGE
Control TechnologyPULSE WIDTH MODULATION
Maximum output current2.5 A
Analog IC other typesSWITCHING REGULATOR
Rated regulated voltage3.3 V
Switch configurationBUCK
Maximum switching frequency137 kHz
19-2988; Rev 5; 5/11
KIT
ATION
EVALU
BLE
AVAILA
1A, 76V, High-Efficiency MAXPower
Step-Down DC-DC Converter
General Description
Features
o
Wide 7.5V to 76V Input Voltage Range
o
Fixed (3.3V, 5V, 12V) and Adjustable
(1.25V to 13.2V) Versions
o
1A Output Current
o
Efficiency Up to 94%
o
Internal 0.4Ω High-Side DMOS FET
o
270µA Quiescent Current at No Load, 10µA
Shutdown Current
o
Internal Frequency Compensation
o
Fixed 125kHz Switching Frequency
o
Thermal Shutdown and Short-Circuit Current
Limit
o
8-Pin SO and PDIP Packages
MAX5035
The MAX5035 easy-to-use, high-efficiency, high-volt-
age, step-down DC-DC converter operates from an
input voltage up to 76V and consumes only 270µA qui-
escent current at no load. This pulse-width modulated
(PWM) converter operates at a fixed 125kHz switching
frequency at heavy loads, and automatically switches
to pulse-skipping mode to provide low quiescent cur-
rent and high efficiency at light loads. The MAX5035
includes internal frequency compensation simplifying
circuit implementation. The device uses an internal low-
on-resistance, high-voltage, DMOS transistor to obtain
high efficiency and reduce overall system cost. This
device includes undervoltage lockout, cycle-by-cycle
current limit, hiccup mode output short-circuit protec-
tion, and thermal shutdown.
The MAX5035 delivers up to 1A output current. The out-
put current may be limited by the maximum power dis-
sipation capability of the package. External shutdown is
included, featuring 10µA (typ) shutdown current. The
MAX5035A/B/C versions have fixed output voltages of
3.3V, 5V, and 12V, respectively, while the MAX5035D/E
versions have an adjustable output voltage from 1.25V
to 13.2V.
The MAX5035 is available in space-saving 8-pin SO
and 8-pin plastic DIP packages and operates over the
automotive (-40°C to +125°C) temperature range.
Ordering Information
PART
MAX5035AUSA
MAX5035AUPA
MAX5035AASA
MAX5035BUSA
MAX5035BUPA
MAX5035BASA
TEMP RANGE
0°C to +85°C
0°C to +85°C
PIN-
PACKAGE
8 SO
8 PDIP
3.3
OUTPUT
VOLTAGE
(V)
-40°C to +125°C 8 SO
0°C to +85°C
0°C to +85°C
8 SO
8 PDIP
MAX5035AASA/V+ -40°C to +125°C 8 SO
Applications
Automotive
Consumer Electronics
Industrial
Distributed Power
-40°C to +125°C 8 SO
5.0
MAX5035BASA/V+ -40°C to +125°C 8 SO
/V denotes an automotive qualified part.
+Denotes
a lead(Pb)-free/RoHS-compliant package.
Ordering Information continued at end of data sheet.
Typical Operating Circuit
V
IN
7.5V TO 76V
68µF
V
IN
BST
0.1µF
100µH
LX
ON/OFF
ON
R2
OFF
SGND
GND
FB
VD
0.1µF
D1
50SQ100
Pin Configuration
TOP VIEW
MAX5035
R1
V
OUT
5V
68µF
BST
VD
SGND
FB
1
2
3
4
8
LX
V
IN
GND
ON/OFF
MAX5035
7
6
5
SO/PDIP
________________________________________________________________
Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.

MAX5035_11 Related Products

MAX5035_11 MAX5035AASV MAX5035BASV
Description 2.5 A SWITCHING REGULATOR, 137 kHz SWITCHING FREQ-MAX, PDSO8 2.5 A SWITCHING REGULATOR, 137 kHz SWITCHING FREQ-MAX, PDSO8 2.5 A SWITCHING REGULATOR, 137 kHz SWITCHING FREQ-MAX, PDSO8
Number of functions 1 1 1
Number of terminals 8 8 8
Rated input voltage 12 V 12 V 12 V
Maximum limit input voltage 76 V 76 V 76 V
Minimum limit input voltage 7.5 V 7.5 V 7.5 V
Maximum operating temperature 125 Cel 125 Cel 125 Cel
Minimum operating temperature -40 Cel -40 Cel -40 Cel
Processing package description SOP-8 SOP-8 SOP-8
state ACTIVE ACTIVE ACTIVE
Craftsmanship BICMOS BICMOS BICMOS
packaging shape RECTANGULAR RECTANGULAR RECTANGULAR
Package Size SMALL OUTLINE SMALL OUTLINE SMALL OUTLINE
surface mount Yes Yes Yes
Terminal form GULL WING GULL WING GULL WING
Terminal spacing 1.27 mm 1.27 mm 1.27 mm
terminal coating TIN LEAD TIN LEAD TIN LEAD
Terminal location DUAL DUAL DUAL
Packaging Materials PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
Temperature level AUTOMOTIVE AUTOMOTIVE AUTOMOTIVE
control mode VOLTAGE VOLTAGE VOLTAGE
Control Technology PULSE WIDTH MODULATION PULSE WIDTH MODULATION PULSE WIDTH MODULATION
Maximum output current 2.5 A 2.5 A 2.5 A
Analog IC other types SWITCHING REGULATOR SWITCHING REGULATOR SWITCHING REGULATOR
Rated regulated voltage 3.3 V 3.3 V 3.3 V
Switch configuration BUCK BUCK BUCK
Maximum switching frequency 137 kHz 137 kHz 137 kHz
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