MAX5025EUT+T

500kHz Boost Adjustable 260mA 4.5V~36V SOT-23-6 Voltage Regulators - DC DC Switching Regulators RoHS

SOT-23-6ROHS3 CompliantActive

Manufacturer: MAXIM
Manufacturer part #: MAX5025EUT+T
Store part #: C3193235
Package / case: SOT-23-6
Category: Voltage Regulators - DC DC Switching Regulators
Packaging: Tape & Reel (TR)

Datasheet (PDF)

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5 in stock

#C3193235

Stock & price checked 26 h ago

Quantity	Unit price	Pack price
1+	₹3,361.93	₹3,361.93
30+	₹3,197.80	₹95,934.00

Quantity (min 1)

1 × ₹3,361.93

₹3,361.93

excl. GST

₹3,967.08 incl. 18% GST

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Standard pack: 2,500 per reel

MAX5025EUT+T

₹3,361.93 for 1 + GST

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Specifications

Operating Temperature: -40℃~+85℃@(TA)
Frequency - Switching: 500kHz
Function: Boost
Number of Outputs: 1
Features: Cycle-by-cycle current limiting;Overcurrent Protection
Output Type: Adjustable
Topology: Boost
Operating Voltage: 4.5V~11V
Switch tube (built-in/external): Built-in
Output Current: 260mA
Output Voltage: 4.5V~36V
Quiescent Current: 350uA

Packaging & compliance

RoHS: ROHS3 Compliant
Lifecycle: Active
ECCN: EAR99
Packaging: Tape & Reel (TR)
Standard pack: 2,500 / Reel
Sold per: Piece
Minimum order: 1
Unit weight: 0.045 g

Overview

The MAX5025–MAX5028 constant-frequency, pulsewidth modulating (PWM), low-noise boost converters are intended for low-voltage systems that often need a locally generated high voltage. These devices are capable of generating low-noise, high output voltages required for varactor diode biasing in TV tuners, set-top boxes, and PCI cable modems. The MAX5025– MAX5028 operate from as low as 3V and switch at 500kHz. The constant-frequency, current-mode PWM architecture provides for low output noise that is easy to filter. A 40V lateral DMOS device is used as the internal power switch, making the devices ideal for boost converters up to 36V. The MAX5025/MAX5026 adjustable versions require the use of external feedback resistors to set the output voltage. The MAX5027/MAX5028 offer a fixed 30V output. These devices are available in a small, 6-pin SOT23 package. The MAX5025–MAX5028 current-mode PWM controllers operate in a wide range of DC-DC conversion applications including boost, flyback, and isolated output configurations. These converters provide low-noise, high output voltages making them ideal for varactor diode tuning applications as well as TFT LCD bias. Other features include shutdown, fixed 500kHz PWM oscillator, and a wide input range: 3V to 11V for MAX5026/MAX5028 and 4.5V to 11V for MAX5025/ MAX5027. The MAX5025–MAX5028 operate in discontinuous mode in order to reduce the switching noise at the output. Other continuous mode boost converters generate a large voltage spike at the output when the LX switch turns on because there is a conduction path between the output, diode, and switch to ground during the time needed for the diode to turn off.

Applications

TV Tuner Power Supply
Low-Noise Varactor Diode Biasing
Set-Top Box Tuner Power Supply
PCI Cable Modem
Voice-Over-Cable
LCD Power Supply
Avalanche Photodiode Biasing

Key features

Input Voltage Range: 3V to 11V (MAX5026/MAX5028) 4.5V to 11V (MAX5025/MAX5027)
Wide Output Voltage Range: VCC to 36V
Output Power: 120mW (max)
User-Adjustable Output Voltage with MAX5025/MAX5026 Using External Feedback Resistors
Fixed 30V Output Voltage: MAX5027/MAX5028
Internal 1.3Ω (typ), 40V Switch
Constant PWM Frequency Provides Easy Filtering in Low-Noise Applications
500kHz (typ) Switching Frequency
1μA (max) Shutdown Current
Small, 6-Pin SOT23 Package

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