Product Summary

The MAX738ACWE is a 5V-output CMOS, step-down switching regulator. The MAX738ACWE accepts inputs from 6V to 16V and deliver 750mA. Typical efficiencies are 85% to 96%. Quiescent supply current is 1.7mA and only 6μA in shutdown. Pulse-width modulation (PWM) current-mode control provides precise output regulation and excellent transient responses. Output voltage accuracy is guaranteed to be ±5% over line, load, and temperature variations. Fixed-frequency switching allows easy filtering ofoutput ripple and noise, as well as the use of small external components. These regulators require only asingle inductor value to work in most applications, sono inductor design is necessary.

Parametrics

MAX738ACWE absolute maxmum ratings: (1)V+: +18V, -0.3V; (2)LX: (V+ - 21V) to (V+ + 0.3V); (3)OUT: ±25VSS, CC; (4)SHDN: -0.3V to (V+ + 0.3V); (5)Peak Switch Current (ILX): 2A; (6)Reference Current (IREF): 2.5mA; (7)Continuous Power Dissipation: (TA = +70°C).

Features

MAX738ACWE features: (1)High-Frequency, Current-Mode PWM; (2)159kHz to 212.5kHz Guaranteed Oscillator; (3)85% to 96% Efficiencies; (4)1.7mA Quiescent Current; (5)6μA Shutdown Supply Current; (6)Single Preselected Inductor Value, No Component Design Required; (7)Overcurrent, Soft-Start, and UndervoltageLockout Protection; (8)Cycle-by-Cycle Current Limiting.

Diagrams

MAX738ACWE block diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
MAX738ACWE
MAX738ACWE

Maxim Integrated Products

DC/DC Switching Converters 5V Step-Down DC/DC Converter

Data Sheet

Negotiable 
MAX738ACWE+
MAX738ACWE+

Maxim Integrated Products

DC/DC Switching Converters 5V Step-Down DC/DC Converter

Data Sheet

0-1: $4.52
1-25: $3.04
25-50: $2.20
50-100: $2.17
MAX738ACWE+T
MAX738ACWE+T

Maxim Integrated Products

DC/DC Switching Converters 5V Step-Down DC/DC Converter

Data Sheet

0-785: $1.99
785-1000: $1.94
MAX738ACWE-T
MAX738ACWE-T

Maxim Integrated Products

DC/DC Switching Converters 5V Step-Down DC/DC Converter

Data Sheet

Negotiable