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MAX868EUB+ - Maxim Integrated
Manufacturer:
Maxim Integrated
ManyChip's Part#:
MC45814764
Category:
DC to DC Converter
Package:
TFSOP-10
Datasheet:
Datasheet 3D Model
Description:
MAXIM INTEGRATED PRODUCTS MAX868EUB+ DC-DC Adjustable Charge Pump Voltage Converter, 1.8V to 5.5V in, -11V to -3.6V/30mA out, µMAX-10
Stock Locations:
Availability:
201 pcs In Stock
MOQ:
1 pcs
Unit Price:
$ 3.14

Updated at 17/06/2025 10:30:15(UTC+8)

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Description

The MAX868EUB+ is a regulated Inverting Charge Pump for battery-operated equipment. The MAX868 inverting charge pump provides a low-cost and compact means of generating a regulated negative voltage up to -2 x VIN from a positive input voltage between 1.8 and 5.5V. It uses a pulse-frequency-modulation (PFM) control scheme to generate the regulated negative output voltage. PFM operation is obtained by gating the internal 450kHz oscillator on and off as needed to maintain output voltage regulation. This unique on-demand switching scheme gives the MAX868 excellent light-load efficiency without degrading its full-load operation (up to 30mA), permitting smaller capacitors to take advantage of the oscillator"s high switching frequency. The MAX868 requires no inductors; only four capacitors are required to build a complete DC-DC converter. Output voltage regulation is achieved by adding just two resistors.
Regulated negative output voltage (up to -2 x VIN)
On-demand switching at up to 450kHz
30µA Quiescent supply current
Requires only four small external capacitors
0.1µA Logic-controlled shutdown
Up to 30mA output current
Adjustable output voltage

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MAX868EUB+ Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Surface Mount
Number of Pins	10 Pin
Case/Package	TFSOP-10
Frequency	450 kHz
Number of Outputs	1 Output
Output Voltage	-11.0 V
Output Current	30 mA
Number of Positions	10 Position
Power Dissipation	444 mW
Switching Frequency	270kHz ~ 630kHz
Input Voltage (Max)	5.5 V
Input Voltage (Min)	1.8 V
Output Current (Max)	35 mA
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage	1.8V ~ 5.5V
Input Voltage	1.8V ~ 5.5V
	Show
Size-Length	3.15 mm
Size-Width	3.15 mm
Size-Height	0.94 mm
Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Active
Packaging	Cut Tape (CT)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance Edition	2015/06/15

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