MAX17290ETCF+ by Analog Devices

2.5V to 36V, 2.5MHz, PWM Boost Controller with 4μA Shutdown Current and Reduced EMI


The MAX17290/MAX17292 high-efficiency, synchronous step-up DC-DC controllers operate over a 4.5V to 36V input voltage range with 42V input transient protection. The input operating range can be extended to as low as 2.5V in Bootstrapped mode. The MAX17290 and MAX17292 use a constant-frequency, pulse-width modulating (PWM), peak current-mode control architecture. There are multiple versions of the devices offering one or more of the following functions: a synchronization output (SYNCO) for 180° out-of-phase operation, an overvoltage protection function using a separate input pin (OVP), and a reference input pin (REFIN) to allow on-the-fly output voltage adjustment. The MAX17290 and MAX17292 operate in different frequency ranges. All versions can be synchronized to an external master clock using the FSET/SYNC input. The devices are available in a compact 12-pin (3mm x 3mm) TQFN and 10-pin μMAX packages. Both packages have exposed pads. -40°C to +85°C Operation.

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Features

Reduces Solution Size and Cost All-Ceramic Capacitor Solution Allows Ultra-Compact Solution Size 100kHz to 1MHz (MAX17290) and 1MHz to 2.5MHz (MAX17292) Switching-Frequency with External Synchronization
All-Ceramic Capacitor Solution Allows Ultra-Compact Solution Size
100kHz to 1MHz (MAX17290) and 1MHz to 2.5MHz (MAX17292) Switching-Frequency with External Synchronization
Increases Design Flexibility Bootstrapped Mode Allows Input Voltage to be 2.5V Adjustable Slope Compensation
Bootstrapped Mode Allows Input Voltage to be 2.5V
Adjustable Slope Compensation
Reduces Power Dissipation >90% Peak Efficiency Low 4μA (typ.) Shutdown Current
>90% Peak Efficiency
Low 4μA (typ.) Shutdown Current
Operates Reliably 42V Input Voltage Transient Protection Fixed 9ms Internal Software Start Reduces Input Inrush Current PGOOD Output and Hiccup Mode for Enhanced System Protection Overtemperature Shutdown Reduced EMI Emission with Spread-Spectrum Control
42V Input Voltage Transient Protection
Fixed 9ms Internal Software Start Reduces Input Inrush Current
PGOOD Output and Hiccup Mode for Enhanced System Protection
Overtemperature Shutdown
Reduced EMI Emission with Spread-Spectrum Control

Specifications

VIN (V) (min) 2.5
VIN (V) (max) 36
VOUT1 (V) (min) 4.5
VOUT1 (V) (max) 36
IOUT1 (A) (max) 50
Switch Type External
Output Adjust. Method Resistor
Power Good Signal Yes
IQ (mA) (typ) 0.75
Shutdown Mode Supply Current (µA) (typ) 4
Shutdown Mode Supply Current (µA) (max) 7
# DC-DC Outputs 1
Switching Frequency (kHz) 1000
Design Tools EE-Sim
Package/Pins TQFN-CU/12UMAX/10
BudgetaryPrice (See Notes) 1.94


MAX17290ETCF+ Semiconductors - ICs by Analog Devices

PWM CONTROLLER BOOST 1MHZ TQFN-12

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

The MAX17290/MAX17292 high-efficiency, synchronous step-up DC-DC controllers operate over a 4.5V to 36V input voltage range with 42V input transient protection. The input operating range can be extended to as low as 2.5V in Bootstrapped mode. The MAX17290 and MAX17292 use a constant-frequency, pulse-width modulating (PWM), peak current-mode control architecture. There are multiple versions of the devices offering one or more of the following functions: a synchronization output (SYNCO) for 180° out-of-phase operation, an overvoltage protection function using a separate input pin (OVP), and a reference input pin (REFIN) to allow on-the-fly output voltage adjustment. The MAX17290 and MAX17292 operate in different frequency ranges. All versions can be synchronized to an external master clock using the FSET/SYNC input. The devices are available in a compact 12-pin (3mm x 3mm) TQFN and 10-pin µMAX packages. Both packages have exposed pads. -40°C to +85°C Operation.

Specifications

Input Voltage 36V
Output Voltage 5V
Output Current 1A
Supply Voltage Min 4.5V
Supply Voltage Max 36V
Controller IC Case Style TQFN
No. of Pins 12Pins
Frequency 1MHz
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

PWM CONTROLLER, BOOST, 1MHZ, TQFN-12 | Farnell

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This part has not been flagged as RoHS Compliant.

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