MAX8570EUT+T by Analog Devices

High-Efficiency LCD Boost with True Shutdown


The MAX8570 family of LCD step-up converters uses an internal n-channel switch and an internal p-channel output isolation switch. These converters operate from a 2.7V to 5.5V supply voltage and deliver up to 28V at the output. A unique control scheme provides the highest efficiency over a wide range of load conditions. The internal MOSFET switch reduces external component count and a high switching frequency (up to 800kHz) allows for tiny surface-mount components. Three current-limit options are available. The MAX8570 and MAX8572 use a 110mA current limit to reduce ripple and component size in low-current applications. For high-power requirements, the MAX8574 and MAX8575 use a 500mA current limit and supply up to 20mA at 20V. The MAX8571 and MAX8573 use a 250mA current limit for a compromise between ripple and power. Built-in safety features protect the internal switch and down-stream components from fault conditions. Additional features include a low quiescent current and a True Shutdown™ mode to save power. The MAX8570/MAX8571/MAX8574 allow the user to set the output voltage between 3V and 28V, and the MAX8572/MAX8573/MAX8575 have a preset 15V output. These step-up converters are ideal for small LCD panels with low current requirements, but can also be used in other applications. The MAX8571 evaluation kit is available to help reduce design time.

Where to Buy

Prices starting from US$2.01

Distributor Stock
Logo for Farnell
Farnell
from US$2.01
884
in stock
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Logo for element14
element14
from US$2.29
884
in stock
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Logo for Analog Devices
Analog Devices
from US$2.18
372
in stock
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Logo for Newark Electronics
Newark Electronics
from US$2.06
-
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Features

15V or Adjustable Output Voltage Up to 28V
Safety Features Protect Against Output Faults
20mA at 20V from a Single Li+ Battery
True Shutdown
87% Efficiency
Up to 800kHz Switching Frequency
Small, 6-Pin SOT23 and µDFN (MAX8570 Only) Packages

Specifications

VIN (V) (min) 2.7
VIN (V) (max) 5.5
VOUT1 (V) (min) 2.7
VOUT1 (V) (max) 28
IOUT1 (A) (max) 0.01
Switch Type Internal
Output Adjust. Method Resistor
IQ (mA) (typ) 0.025
Shutdown Mode Supply Current (µA) (typ) 0.05
Shutdown Mode Supply Current (µA) (max) 1
# DC-DC Outputs 1
Package/Pins SOT23/6UDFN/6
BudgetaryPrice (See Notes) 1.5


MAX8570EUT+T Semiconductors - ICs by Analog Devices

LCD STEP-UP CONVERTER 5.5V SOT-23-6

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

Specifications

No. of Digits -
No. of Segments -
Driver Case Style SOT-23
No. of Pins 6Pins
Supply Voltage Min 2.7V
Supply Voltage Max 5.5V
Interface Type -
Operating Temperature Min -40°C
Operating Temperature Max 85°C
Product Range -
RoHS Phthalates Compliant To Be Advised
MSL MSL 1 - Unlimited
SVHC No SVHC (15-Jan-2018)

Alternative Descriptions

LCD STEP-UP CONVERTER, 5.5V, SOT-23-6 | element14
High-Efficiency LCD Boost with | Analog Devices
Lcd Step-Up Converter, 5.5V, Sot-23-6 | Newark Electronics

Frequently Asked Questions

Where can I find additional details, specifications and documents for a MAX8570EUT+T ?

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Is the MAX8570EUT+T RoHS compliant?

This part has not been flagged as RoHS Compliant.

Which authorised distributors for MAX8570EUT+T have stock available?

Authorised distributors including element14, Farnell, Analog Devices and Newark Electronics have stock available or on a lead time for MAX8570EUT+T .

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