MAX16935BAUES/V+ by Analog Devices

36V, 3.5A, 2.2MHz Step-Down Converters with 28µA Quiescent Current

Status: Active
Series: MAX16935
RoHS: Unknown
View Datasheet Manufacturer Site View Pricing & Stock

The MAX16935/MAX16939 are 3.5A current-mode step-down converters with integrated high-side and low-side MOSFETs designed to operate with an external Schottky diode for better efficiency. The low-side MOSFET enables fixed-frequency forced-PWM (FPWM) operation under light-load applications. The devices operate with input voltages from 3.5V to 36V, while using only 28µA quiescent current at no load. The switching frequency is resistor programmable from 220kHz to 2.2MHz and can be synchronized to an external clock. The devices’ output voltage is available as 3.3V/5V fixed or adjustable from 1V to 10V. The wide input voltage range along with its ability to operate at 98% duty cycle during undervoltage transients make the devices ideal for automotive and industrial applications. Under light-load applications, the FSYNC logic input allows the devices to either operate in skip mode for reduced current consumption or fixed-frequency FPWM mode to eliminate frequency variation to minimize EMI. Fixed-frequency FPWM mode is extremely useful for power supplies designed for RF transceivers where tight emission control is necessary. Protection features include cycle-by-cycle current limit and thermal shutdown with automatic recovery. Additional features include a power-good monitor to ease power-supply sequencing and a 180° out-of-phase clock output relative to the internal oscillator at SYNCOUT to create cascaded power supplies with multiple devices. The MAX16935/MAX16939 operate over the -40°C to +125°C automotive temperature range and are available in 16-pin (5mm × 5mm) TQFN-EP and 16-pin TSSOP-EP packages.

Prices starting from US$3.19


Distributor Starting From Stock
Logo for Newark Electronics Newark Electronics US$3.96
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Logo for element14 element14 US$3.35
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Features

Integration and High-Switching Frequency Saves Space Integrated 3.5A High-Side Switch Low-BOM-Count Current-Mode Control Architecture Fixed Output Voltage with ±2% Accuracy or Externally Resistor Adjustable (1V to 10V) 220kHz to 2.2MHz Switching Frequency with Three Operation Modes (Skip Mode, Forced Fixed-Frequency Operation, and External Frequency Synchronization) Automatic LX Slew-Rate Adjustment for Optimum Efficiency Across Operating Frequency Range
Integrated 3.5A High-Side Switch
Low-BOM-Count Current-Mode Control Architecture
Fixed Output Voltage with ±2% Accuracy or Externally Resistor Adjustable (1V to 10V)
220kHz to 2.2MHz Switching Frequency with Three Operation Modes (Skip Mode, Forced Fixed-Frequency Operation, and External Frequency Synchronization)
Automatic LX Slew-Rate Adjustment for Optimum Efficiency Across Operating Frequency Range
180° Out-of-Phase Clock Output at SYNCOUT Enables Cascaded Power Supplies for Increased Power Output
Spread-Spectrum Frequency Modulation Reduces EMI Emissions
Wide Input Voltage Range Supports Automotive Applications 3.5V to 36V Input Voltage Range Enable Input Compatible from 3.3V Logic Level to 42V
3.5V to 36V Input Voltage Range
Enable Input Compatible from 3.3V Logic Level to 42V
Robust Performance Supports Wide Range of Automotive Applications -40°C to +125°C Automotive Temperature Range Thermal-Shutdown Protection AEC-Q100 Qualified
-40°C to +125°C Automotive Temperature Range
Thermal-Shutdown Protection
AEC-Q100 Qualified
Power-Good Output Allows Power-Supply Sequencing
Tight Overvoltage Protection Provides Smaller Overshoot Voltages (MAX16939)

Specifications

VIN (V) (min) 3.5
VIN (V) (max) 42
VOUT1 (V) (min) 1
VOUT1 (V) (max) 10
IOUT1 (A) (max) 3.5
Switch Type Internal
Preset VOUT (V) 5
Output Adjust. Method PresetResistor
Power Good Signal Yes
# DC-DC Outputs 1
Switching Frequency (kHz) 2002200
Design Tools EE-Sim
Package/Pins TQFN/16TSSOP/16
BudgetaryPrice (See Notes) 1.77


MAX16935BAUES/V+ Semiconductors - ICs by Analog Devices

DC/DC CONVERTER BUCK 2.2MHZ TSSOP-16

Status: Unknown
Series: MAX16935 Series
RoHS: Unknown
View Datasheet Manufacturer Site View Pricing & Stock

Specifications

DC / DC Converter Type Module
Input Voltage Min 3.5V
Input Voltage Max 36V
No. of Outputs 1 Output
DC / DC Converter IC Case TSSOP
No. of Pins 16Pins
Output Current 3.5A
Output Voltage Nom. 5V
Switching Frequency 2.2MHz
Operating Temperature Max 125°C
Product Range MAX16935 Series
RoHS Phthalates Compliant To Be Advised
MSL -
SVHC No SVHC (15-Jan-2018)

Alternative Descriptions

Dc/Dc Conv, Buck, 2.2Mhz, 125Deg C | Newark Electronics
DC/DC CONV, BUCK, 2.2MHZ, 125DEG C | element14

Frequently Asked Questions

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This part has not been flagged as RoHS Compliant.

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