MAX1795EUA+T by Analog Devices

Low-Supply Current, Step-Up DC-DC Converters with True Shutdown

Status: Active
Series: MAX1795
RoHS: Unknown
View Datasheet Manufacturer Site View Pricing & Stock

The MAX1795/MAX1796/MAX1797 are high-efficiency, step-up DC-DC converters intended for small portable hand-held devices. These devices feature Maxim's True Shutdown™ circuitry, which fully disconnects the output from the input in shutdown, improves efficiency, and eliminates costly external components. All three devices also feature Maxim's proprietary LX-damping circuitry for reduced EMI in noise-sensitive applications. For additional in-system flexibility, a battery monitoring comparator (LBI/LBO) remains active even when the DC-DC converter is in shutdown. The input voltage range is +0.7V to VOUT, where VOUT can be set from +2V to +5.5V. Startup is guaranteed from +0.85V. The MAX1795/MAX1796/MAX1797 have a preset, pin-selectable 5V or 3.3V output. The output can also be adjusted to other voltages, using two external resistors. The three devices differ only in their current limits, allowing optimization of external components for different loads: the MAX1795, MAX1796, and MAX1797 have current limits of 0.25A, 0.5A, and 1A, respectively. All devices are packaged in a compact, 8-pin µMAX® package that is only 1.09mm tall and half the size of an 8-pin SO.

Prices starting from US$9.84


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Features

> 95% Efficiency
True-Shutdown Circuitry Output Disconnects from Input in Shutdown No External Schottky Diode Needed
Output Disconnects from Input in Shutdown
No External Schottky Diode Needed
25µA Quiescent Supply Current
Low-Noise Antiringing Feature
LBI/LBO Comparator Enabled in Shutdown
2µA Shutdown Current
8-Pin µMAX Package

Specifications

VIN (V) (min) 0.7
VIN (V) (max) 5.5
VOUT1 (V) (min) 2
VOUT1 (V) (max) 5.5
IOUT1 (A) (max) 0.18
Switch Type Internal
Preset VOUT (V) 5
Output Adjust. Method PresetResistor
Synchronous Switching? Yes
IQ (mA) (typ) 0.025
Shutdown Mode Supply Current (µA) (typ) 2
# DC-DC Outputs 1
Package/Pins UMAX/8
BudgetaryPrice (See Notes) 4.26


MAX1795EUA+T Semiconductors - ICs by Analog Devices

DC/DC CONV BOOST 500KHZ UMAX-8

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

Specifications

Topology Boost (Step Up)
Input Voltage Min 700mV
Input Voltage Max 5.5V
No. of Outputs 1Outputs
DC / DC Converter IC Case µMAX
No. of Pins 8Pins
Output Current 180mA
Output Voltage Min 2V
Output Voltage Max 5.5V
Switching Frequency 500kHz
Operating Temperature Max 85°C
Product Range -
Automotive Qualification Standard -
MSL MSL 1 - Unlimited
SVHC No SVHC (15-Jan-2018)

Alternative Descriptions

DC/DC CONV, BOOST, 500KHZ, UMAX-8 | Farnell Contract
Dc/Dc Conv, Boost, 500Khz, Umax-8 | Newark Electronics

Frequently Asked Questions

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Is the MAX1795EUA+T RoHS compliant?

This part has not been flagged as RoHS Compliant.

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Authorised distributors including Farnell Contract and Newark Electronics have stock available or on a lead time for MAX1795EUA+T .

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