OB2365AMP

65kHz~77kHz 12V~26V Flyback SOT-23-6 AC DC Converters, Offline Switchers RoHS

SOT-23-6ROHS CompliantActive

Adaptive Multi-Mode PWM Controller

Manufacturer: OB
Manufacturer part #: OB2365AMP
Store part #: C507635
Package / case: SOT-23-6
Category: AC DC Converters, Offline Switchers
Packaging: Tape & Reel (TR)

Datasheet (PDF)

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5,780 in stock

#C507635

Stock & price checked 7 days ago

Quantity	Unit price	Pack price
5+	₹33.47	₹167.35
50+	₹24.65	₹1,232.50
150+	₹20.86	₹3,129.00
500+	₹16.14	₹8,070.00
3,000+	₹13.16	₹39,480.00
6,000+	₹11.89	₹71,340.00

Quantity (min 5, multiples of 5)

5 × ₹33.47

₹167.35

excl. GST

₹197.47 incl. 18% GST

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

OB2365AMP

₹167.35 for 5 + GST

Specifications

Operating Temperature: -40℃~+85℃
Frequency - Switching: 65kHz~77kHz
Voltage - Supply: 12V~26V
Topology: Flyback
Features: Quasi-resonant/valley switching;Light load efficient mode;EMI optimization (spread spectrum);Audio noise elimination;Under-voltage lockout;Soft-start;Over Voltage Protection;Overtemperature protection (OTP);Over Current Protection;Under Voltage Protection
Feedback System: Secondary-Side Feedback
Working Mode: QR;PFM Modulation;CCM

Packaging & compliance

RoHS: ROHS Compliant
Lifecycle: Active
Packaging: Tape & Reel (TR)
Standard pack: 3,000 / Reel
Sold per: Piece
Minimum order: 5 (multiples of 5)
Unit weight: 0.023 g

Overview

OB2365A is a highly integrated current mode PWM control IC optimized for high performance, low standby power and cost effective offline flyback converter applications. At normal load condition, it operates in QR mode in high line input voltage. To minimize switching loss, the maximum switching frequency in QR mode is internally limited to 77 KHz. When the loading goes low, it operates in PFM mode with valley switching for high power conversion efficiency. When the load is very small, the IC operates in ‘Extended Burst Mode’ to minimize the standby power loss. Additionally, in the low line input voltage, the IC operates in fixed frequency (65KHz) CCM mode at the heavy loading. As a result, high conversion efficiency can be achieved in the whole loading range. VCC low startup current and low operating current contribute to a reliable power on startup and low standby design with OB2365A. OB2365A offers comprehensive protection coverage with auto-recovery including Cycle-byCycle current limiting (OCP), over load protection (OLP), VCC under voltage lockout (UVLO), external over temperature protection (OTP), and over voltage protection (OVP). Excellent EMI performance is achieved with On-Bright proprietary frequency shuffling technique. The tone energy at below 23KHz is minimized in the design and audio noise is eliminated during operation. OB2365A is offered in SOT23-6 package.

Applications

Offline AC/DC flyback converter for General power supply
Power Adapter

Key features

Multi-Mode Operation
77KHz maximum clamping frequency in QR mode @ Full Load in high line voltage
65KHz minimum clamping frequency in CCM mode @ Heavy Load in low line voltage
Valley switching operation @ Green mode
Burst Mode @ Light Load & No Load
Frequency shuffling for EMI
Extended burst mode control for improved efficiency and low standby power design
Audio noise free operation
Comprehensive protection coverage
VCC Under Voltage Lockout with hysteresis (UVLO)
VCC Over Voltage Protection (VCC OVP)
Cycle-by-cycle over current threshold setting for constant output power limiting over universal input voltage range
Over Load Protection (OLP) with autorecovery
External (if NTC resistor is connected at DEM pin)or internal Over Temperature Protection (OTP) with auto-recovery
Output Over Voltage Protection(Output OVP) with auto-recovery, and the OVP triggered voltage can be adjusted by the resistor connected between auxiliary winding and DEM pin
Output diode short protection with autorecovery