Varnitronics
OB25133QCPA OB
OB

OB25133QCPA

750V 5V~16V Flyback SOP-8 AC DC Converters, Offline Switchers

SOP-8RoHSActive

High Precision CC/CV Primary-Side PWM Power Switch

Manufacturer
OB
Manufacturer part #
OB25133QCPA
Store part #
C138841
Package / case
SOP-8
Packaging
Tape & Reel (TR)
Datasheet (PDF)

Every Order Guarantee

100% Authentic · 30-Day Return or Replacement · policy

1,430 in stock

#C138841

Stock & price checked 14 h ago

QuantityUnit pricePack price
5+₹18.92₹94.60
50+₹14.96₹748.00
150+₹12.98₹1,947.00
500+₹11.50₹5,750.00
2,500+₹10.31₹25,775.00
4,000+₹9.71₹38,840.00

5 × ₹18.92

₹94.60

excl. GST

₹111.63 incl. 18% GST

Need volume or a scheduled delivery? Request a quote
  • Dispatch in 7–10 working days
  • GST invoice with every order
  • Standard pack: 4,000 per reel

OB25133QCPA

₹94.60 for 5 + GST

Specifications

Operating Temperature
-20℃~+85℃
Voltage - Breakdown
750V
Voltage - Supply
5V~16V
Topology
Flyback
Features
Constant Current Mode (CC);Constant Voltage (CV);Over Voltage Protection;Short Circuit Protection;Overtemperature protection (OTP);Under Voltage Protection
Working Mode
PFM Modulation;PWM Modulation;DCM
Feedback System
Primary-side feedback

Packaging & compliance

RoHS
RoHS
Lifecycle
Active
Moisture sensitivity
MSL 3 (168 hours)
Packaging
Tape & Reel (TR)
Standard pack
4,000 / Reel
Sold per
Piece
Minimum order
5 (multiples of 5)
Unit weight
0.131 g

Overview

OB2513xQ is a high performance offline PSR power switch for low power AC/DC charger and adapter applications. It operates in primary-side sensing and regulation. Consequently, opto-coupler and TL431 could be eliminated. Proprietary Constant Voltage (CV) and Constant Current (CC) control is integrated. OB2513xQ is a cost effective PSR power switch optimized for off-line low power AC/DC applications including battery chargers. It operates in primary side sensing and regulation, thus opto-coupler and TL431 are not required. Proprietary built-in CV and CC control can achieve high precision CC/CV control meeting most charger application requirements.

Applications

  • Cell Phone Charger
  • Digital Cameras Charger
  • Small Power Adapter
  • Auxiliary Power for PC, TV etc.
  • Linear Regulator/RCC Replacement

Key features

  • Primary-side sensing and regulation without TL431 and opto-coupler
  • High precision constant voltage and current regulation at universal AC input
  • Multi-mode PWM/PFM operation for efficiency improving
  • Quasi-resonant operation for highest overall efficiency
  • Good dynamic response
  • Programmable CV and CC regulation
  • Built-in line voltage and primary winding inductance compensation
  • Programmable cable drop compensation
  • No need for control loop compensation
  • Audio noise free operation
  • Internal BJT switch
  • Built-in leading edge blanking (LEB)
  • Comprehensive protection coverage with auto-recovery
  • VDD over voltage protection
  • VDD under voltage lockout with hysteresis (UVLO)
  • Cycle-by-cycle current limiting
  • Feedback loop open protection
  • Output short circuit protection
  • Over temperature protection (OTP)

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