MAX17501BATB+ by Analog Devices

60V, 500mA, Ultra-Small, High-Efficiency, Synchronous Step-Down DC-DC Converter

Status: Active
Series: MAX17501
RoHS: Unknown
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The MAX17501 high-efficiency, high-voltage, synchronous step-down DC-DC converter with integrated MOSFETs operates over a 4.5V to 60V input voltage range. This device is offered in a fixed 3.3V , 5V or adjustable output voltage (0.9V to 92%VIN) while delivering up to 500mA of current. The output voltage is accurate to within ±1.7% over -40°C to +125°C. The MAX17501 is available in a compact TDFN package. Simulation models are available. The device features peak-current-mode control with pulse-width modulation (PWM). Users can choose devices with either pulse frequency modulation (PFM) or forced PWM scheme. PFM devices skip pulses at light load for higher efficiency, while forced-PWM devices operate with fixed switching frequency at any load for noise sensitive-applications. The low-resistance, on-chip MOSFETs ensure high efficiency at full load and simplify the layout. A programmable soft-start feature allows users to reduce input inrush current. The device also incorporates an output enable/undervoltage lockout pin (EN/UVLO) that allows the user to turn on the part at the desired input-voltage level. An open-drain active-low RESET pin provides a delayed power-good signal to the system upon achieving successful regulation of the output voltage.

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Features

Eliminates External Components and Reduce Total Cost No Schottky-Synchronous Operation for High Efficiency and Reduced Cost Internal Compensation and Feedback Divider for 3.3V and 5V Fixed Outputs All-Ceramic Capacitors, Ultra-Compact Layout
No Schottky-Synchronous Operation for High Efficiency and Reduced Cost
Internal Compensation and Feedback Divider for 3.3V and 5V Fixed Outputs
All-Ceramic Capacitors, Ultra-Compact Layout
Reduces Number of DC-DC Regulators to Stock Wide 4.5V to 60V Input Voltage Range 0.9V to 92%VIN Adjustable Output Voltage Delivers up to 500mA 600kHz and 300kHz Switching Frequency Options Available in a 10-Pin, 3mm x 2mm TDFN Package
Wide 4.5V to 60V Input Voltage Range
0.9V to 92%VIN Adjustable Output Voltage
Delivers up to 500mA
600kHz and 300kHz Switching Frequency Options
Available in a 10-Pin, 3mm x 2mm TDFN Package
Reduces Power Dissipation Peak Efficiency > 90% PFM Feature for High Light-Load Efficiency Shutdown Current = 0.9µA (typ)
Peak Efficiency > 90%
PFM Feature for High Light-Load Efficiency
Shutdown Current = 0.9µA (typ)
Operates Reliably in Adverse Industrial Environments Hiccup-Mode Current Limit, Sink Current Limit, and Autoretry Startup Built-In Output-Voltage Monitoring (Open-Drain Active-Low RESET Pin) Resistor-Programmable EN/UVLO Threshold Adjustable Soft-Start and Prebiased Power-Up High Industrial -40°C to +125°C Ambient Operating Temperature Range/-40°C to +150°C Junction Temperature Range
Hiccup-Mode Current Limit, Sink Current Limit, and Autoretry Startup
Built-In Output-Voltage Monitoring (Open-Drain Active-Low RESET Pin)
Resistor-Programmable EN/UVLO Threshold
Adjustable Soft-Start and Prebiased Power-Up
High Industrial -40°C to +125°C Ambient Operating Temperature Range/-40°C to +150°C Junction Temperature Range

Specifications

VIN (V) (min) 4.5
VIN (V) (max) 60
VOUT1 (V) (min) 0.9
VOUT1 (V) (max) 55
IOUT1 (A) (max) 0.5
Switch Type Internal
Preset VOUT (V) 5
Output Adjust. Method PresetResistor
Synchronous Switching? Yes
# DC-DC Outputs 1
Switching Frequency (kHz) 600
Design Tools EE-Sim
Package/Pins TDFN/10
BudgetaryPrice (See Notes) 1.87


MAX17501BATB+ Semiconductors - ICs by Analog Devices

DC/DC CONV SYNC BUCK 600KHZ TDFN-10

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

Specifications

Topology Synchronous Buck (Step Down)
Input Voltage Min 4.5V
Input Voltage Max 60V
DC / DC Converter IC Case TDFN
No. of Pins 10Pins
Output Current 500mA
Output Voltage Nom. 5V
Switching Frequency 600kHz
Operating Temperature Max 125°C
Product Range Himalaya Series
Automotive Qualification Standard -
MSL MSL 1 - Unlimited

Alternative Descriptions

DC/DC CONV, SYNC BUCK, 600KHZ, TDFN-10 | element14

Frequently Asked Questions

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Is the MAX17501BATB+ RoHS compliant?

This part has not been flagged as RoHS Compliant.

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