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MAXM15462

Description
4.5V to 42V, 300mA, Himalayan uSLIC step-down power module
File Size1MB,25 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
Download Datasheet View All

MAXM15462 Overview

4.5V to 42V, 300mA, Himalayan uSLIC step-down power module

EVALUATION KIT AVAILABLE
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MAXM15462/MAXM15463/
MAXM15464
4.5V to 42V, 300mA Himalaya uSLIC
Step-Down Power Module
General Description
The Himalaya series of voltage regulator ICs and power
modules enable cooler, smaller, and simpler power-supply
solutions. The MAXM15462/MAXM15463/MAXM15464
are a family of high-efficiency, synchronous step-down
DC-DC modules with integrated controller, MOSFETs,
compensation components, and inductor that operate
over a wide input-voltage range. The modules oper-
ate from 4.5V to 42V input and deliver up to 300mA
output current. The MAXM15463 and MAXM15464 are
fixed 3.3V and 5V output modules respectively. The
MAXM15462 is an adjustable output (0.9V to 5V) mod-
ule. The modules significantly reduce design complexity,
manufacturing risks, and offer a true plug and play power/
supply solution, reducing time-to-market.
The MAXM15462/3/4 modules employ peak-current-
mode control architecture. To reduce input inrush current,
the modules offer a fixed 4.1ms soft-start time.
The MAXM15462/3/4 modules are available in a low pro-
file, compact 10-pin, 2.6mm × 3mm × 1.5mm, uSLIC™
package.
Benefits and Features
● Easy to Use
• Wide 4.5V to 42V Input
• Adjustable 0.9V to 5V Output
• Fixed 3.3V and 5V Output (MAXM15463 and
MAXM15464)
• ±1.5% Feedback Accuracy
Up to 300mA Output-Current
• Internally Compensated
• All Ceramic Capacitors
● High Efficiency
• Selectable PWM- or PFM-Mode of Operation
Shutdown Current as Low as 2.2μA (typ)
● Flexible Design
• Internal Soft-Start and Prebias Startup
• Open-Drain Power Good Output (RESET Pin)
Programmable EN/UVLO Threshold
● Robust Operation
• Hiccup Overcurrent Protection
• Overtemperature Protection
• -40°C to +125°C Ambient Operating Temperature/
-40°C to +150°C Junction Temperature
● Rugged
• Complies with CISPR22(EN55022) Class B
Conducted and Radiated Emissions
• Passes Drop, Shock, and Vibration Standards:
JESD22-B103, B104, B111
Ordering Information
appears at end of data sheet.
uSLIC is a trademark of Maxim Integrated Products, Inc.
Applications
Industrial Sensors and Encoders
4-20mA Current-Loop Powered Sensors
LDO Replacement
HVAC and Building Control
Battery-Powered Equipment
Typical Application Circuit 2.5V
V
IN
24V
C
IN
R1
1µF 2.2MΩ
V
IN
RESET
OUT
GND
FB
LX
MODE
R4
75kΩ
V
OUT
2.5V, 300mA
C
OUT
10µF
R3
133kΩ
Typical Application Circuit 5V
V
IN
24V
C
IN
1µF
V
IN
EN/UVLO
RESET
C1
1µF
V
CC
OUT
GND
FB
LX
MODE
V
OUT
5V, 300mA
C
OUT
10µF
MAXM15462
EN/UVLO
R2
825kΩ
C1
1µF
V
CC
MAXM15464
19-100177; Rev 4; 8/18
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