MAX1759EUB+ by Analog Devices

Buck/Boost Regulating Charge Pump in µMAX


The MAX1759 is a buck/boost regulating charge pump that generates a regulated output voltage from a single lithium-ion (Li+) cell, or two or three NiMH or alkaline cells for small hand-held portable equipment. The MAX1759 operates over a wide +1.6V to +5.5V input voltage range and generates a fixed 3.3V or adjustable (2.5V to 5.5V) output (Dual Mode™). Maxim's unique charge-pump architecture allows the input voltage to be higher or lower than the regulated output voltage. Despite its high 1.5MHz operating frequency, the MAX1759 maintains low 50µA quiescent supply current. Designed to be an extremely compact buck/boost converter, this device requires only three small ceramic capacitors to build a complete DC-DC converter capable of generating a guaranteed 100mA (min) output current from a +2.5V input. For added flexibility, the MAX1759 also includes an open-drain power-OK (POK) output that signals when the output voltage is in regulation. The MAX1759 is available in a space-saving 10-pin µMAX package that is 1.09mm high and half the size of an 8-pin SO.

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Prices starting from US$3.24

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Features

Regulated Output Voltage (Fixed 3.3V or Adjustable 2.5V to 5.5V)
100mA Guaranteed Output Current
+1.6V to +5.5V Input Voltage Range
Low 50µA Quiescent Supply Current
1µA Shutdown Mode
Load Disconnected from Input in Shutdown
High 1.5MHz Operating Frequency
Uses Small Ceramic Capacitors
Short-Circuit Protection and Thermal Shutdown
Small 10-Pin µMAX Package

Specifications

Topology Regulated
VIN (V) (min) 1.6
VIN (V) (max) 5.5
IOUT (A) (typ) 0.1
Unadj. VOUT (V) 3.3
Adj. VOUT (V) (min) 2.5
Adj. VOUT (V) (max) 5.5
IQ (mA) (max) 0.18
Switching Frequency (kHz) 1500
Oper. Temp. (°C) -40 to +85
Package/Pins UMAX/10
BudgetaryPrice (See Notes) 3.11


MAX1759EUB+ Semiconductors - ICs by Analog Devices

IC BUCK/BOOST REG 10µMAX

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

Specifications

Topology Buck Boost
Input Voltage Min 1.6V
Input Voltage Max 5.5V
No. of Outputs 1Outputs
DC / DC Converter IC Case µMAX
No. of Pins 10Pins
Output Current 100mA
Output Voltage Min 2.5V
Output Voltage Max 5.5V
Switching Frequency -
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)
Adjustable Output Voltage Max 5.5V
Adjustable Output Voltage Min 2.5V
Frequency 1500kHz
Operating Temperature Min -40°C
Operating Temperature Range -40°C to +85°C
Output Current Max 0.1A
Output Voltage 3.3V
Primary Input Voltage 2V
Supply Voltage Max 5.5V
Supply Voltage Min 1.6V
Termination Type Surface Mount Device
Voltage Regulator Type Fixed & Adjustable

Alternative Descriptions

Buck/Boost Regulating Charge P | Analog Devices
Ic, Buck/Boost Reg, 10Umax | Newark Electronics
IC, BUCK/BOOST REG, 10µMAX | Farnell

Frequently Asked Questions

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Is the MAX1759EUB+ RoHS compliant?

This part has not been flagged as RoHS Compliant.

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