FITIPOWER

FR9811S6

850kHz Step-down type Adjustable 600mV~8V 2A SOT23-6 Voltage Regulators - DC DC Switching Regulators RoHS

SOT23-6ROHS CompliantActive

21V, 2A Synchronous Step-Down DC/DC Converter

Manufacturer: FITIPOWER
Manufacturer part #: FR9811S6
Store part #: C7525146
Package / case: SOT23-6
Category: Voltage Regulators - DC DC Switching Regulators
Packaging: Tape & Reel (TR)

Datasheet (PDF)

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3,780 in stock

#C7525146

Stock & price checked 46 h ago

Quantity	Unit price	Pack price
5+	₹18.75	₹93.75
50+	₹14.88	₹744.00
150+	₹12.95	₹1,942.50
500+	₹11.51	₹5,755.00
3,000+	₹10.35	₹31,050.00
6,000+	₹9.76	₹58,560.00

Quantity (min 5, multiples of 5)

5 × ₹18.75

₹93.75

excl. GST

₹110.63 incl. 18% GST

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Dispatch in 7–10 working days
GST invoice with every order
Standard pack: 3,000 per reel

FR9811S6

₹93.75 for 5 + GST

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Specifications

Operating Temperature: -40℃~+85℃
Frequency - Switching: 850kHz
Function: Step-down type
Number of Outputs: 1
Features: Cycle-by-cycle current limiting;Hiccup current limiting;Overcurrent Protection
Output Type: Adjustable
Topology: Buck
Operating Voltage: 4.5V~21V
Switch tube (built-in/external): Built-in
Output Voltage: 600mV~8V
Output Current: 2A
Quiescent Current: 300uA

Packaging & compliance

RoHS: ROHS Compliant
Lifecycle: Active
Moisture sensitivity: MSL 1 (unlimited)
Packaging: Tape & Reel (TR)
Standard pack: 3,000 / Reel
Sold per: Piece
Minimum order: 5 (multiples of 5)
Unit weight: 0.053 g

Overview

The FR9811 is a synchronous step-down DC/DC converter with fast constant on time (FCOT) mode control. It has integrated high-side 145mΩ, typ and low-side (90mΩ, typ) power switches, and provides 2A continuous load current. It regulates input voltage from 4.5V to 21V, and down to an output voltage as low as 0.6V. Using FCOT control scheme provides fast transient response, which can minimize the component size without additional external compensation network.

Applications

STB (Set-Top-Box)
LCD Display, TV
Distributed Power System Networking, XDSL Modem

Key features

Low RDS(ON) Integrated Power MOSFET (145mΩ/90mΩ)
Wide Input Voltage Range: 4.5V to 21V
Output Voltage Range: 0.6V to 8V
2A Output Current
FCOT Mode Enables Fast Transient Response
Pseudo 850kHz Frequency
Input Under Voltage Lockout
Internal 1.5ms Soft-Start
Cycle-by-Cycle Current Limit
Hiccup Short Circuit Protection
Over Temperature Protection with Auto Recovery
SOT-23-6 Package

Alternatives

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