MAX1967EUB+ by Analog Devices

Low-Cost Voltage-Mode PWM Step-Down Controllers


The MAX1966/MAX1967 are voltage-mode pulse-width-modulated (PWM), step-down DC-DC controllers that are ideal for a variety of cost-sensitive applications. They drive low-cost N-MOSFETs for both the high-side switch and synchronous rectifier and require no external Schottky power diode or current-sense resistor. Short- circuit and current-limit protection is provided by sensing the drain-to-source voltage on the low-side FET. Both devices can supply outputs as low as 0.8V and are well suited for DSP cores and other low-voltage logic. The MAX1966 has an input range of 2.7V to 5.5V while the MAX1967 has an input range of 2.7V to 28V. In ultra-low-cost designs, the MAX1966/MAX1967 can provide efficiency exceeding 90% and can achieve 95% efficiency with optimized component selection. The MAX1966/MAX1967 operate at 100kHz and ac-commodate aluminum electrolytic capacitors and powdered-iron core magnetics in minimum-cost designs. They also provide excellent performance with high-performance surface-mount components. The MAX1966 is available in a low-cost 8-pin SO package. The MAX1967 is available in a 10-pin µMAX package.

Where to Buy

Prices starting from US$2.67

Distributor Stock
Logo for Farnell
Farnell
from US$2.67
No stock
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Analog Devices
from US$2.90
294
in stock
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Newark Electronics
from US$3.57
-
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element14
from US$2.93
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Features

Cost-Optimized Design
No Schottky Diode or Current-Sense Resistor Required
>95% Efficiency
Low-Cost External Components
All N-Channel FET Design
2.7V to 5.5V Input Range (MAX1966)
2.7V to 28V Input Range (MAX1967)
0.8V Feedback for Low-Voltage Outputs
100kHz Switching Frequency Accommodates Low-Cost Components
Thermal Shutdown
Output Current-Limit and Short-Circuit Protection

Specifications

VIN (V) (min) 2.7
VIN (V) (max) 28
VOUT1 (V) (min) 0.8
VOUT1 (V) (max) 4.5
IOUT1 (A) (max) 5
Switch Type External
Output Adjust. Method Resistor
Synchronous Switching? Yes
# DC-DC Outputs 1
Switching Frequency (kHz) 100
Package/Pins UMAX/10
BudgetaryPrice (See Notes) 1.97


MAX1967EUB+ Semiconductors - ICs by Analog Devices

DC/DC CTRL BUCK 102KHZ UMAX-10

Status: Unknown
Series: -
RoHS: Unknown
Download Datasheet Visit Manufacturer Site View Pricing & Stock

Specifications

Supply Voltage Min 4.9V
Supply Voltage Max 28V
No. of Outputs 1 Output, 1Outputs
Duty Cycle (%) 95%
Controller IC Case Style µMAX
No. of Pins 10Pins
Switching Frequency 102kHz
Topology Buck (Step Down)
Operating Temperature Min -40°C
Operating Temperature Max 85°C
Product Range -
Automotive Qualification Standard -
RoHS Phthalates Compliant To Be Advised
MSL MSL 1 - Unlimited
SVHC No SVHC (15-Jan-2018)

Alternative Descriptions

Low-Cost Voltage-Mode PWM Step | Analog Devices
Dc/Dc Ctrl, Buck, 102Khz, Umax-10 | Newark Electronics
DC/DC CTRL, BUCK, 102KHZ, UMAX-10 | element14

Frequently Asked Questions

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Is the MAX1967EUB+ RoHS compliant?

This part has not been flagged as RoHS Compliant.

Which authorised distributors for MAX1967EUB+ have stock available?

Authorised distributors including Analog Devices, Newark Electronics, element14 and Farnell have stock available or on a lead time for MAX1967EUB+ .

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