Datasheet Analog Devices ADP1071-2 — Datenblatt

Isolated Synchronous Flyback Controller
with Integrated iCoupler
ADP1071-1/ADP1071-2 Data Sheet
FEATURES FUNCTIONAL BLOCK DIAGRAM APPLICATIONS
Isolated dc-to-dc or ac-to-dc power conversion
Telecom, industrial
Small cell
PoE powered device
Enterprise switches and routers Rev. B SYNCHRONOUS
RECTIFIER FLYBACK
TOPOLOGY INPUT OPTIONAL
START-UP
CIRCUITRY OUTPUT BIAS
WINDING ADP1071-1/
ADP1071-2
15626-001 Current mode controller for flyback topology
ADP1071-1: programmable LLM or CCM for high VIN
applications
ADP1071-2: forced CCM operation
Programmable slope compensation
Integrated 5 kV isolation (wide body SOIC package) or 3.0 kV
(LGA package) rated dielectric isolation voltage with
Analog Devices, Inc., patented iCoupler technology …

Isolated Synchronous Flyback
Controller with Integrated iCoupler
ADP1071-1/ADP1071-2 Preliminary Technical Data
FEATURES GENERAL DESCRIPTION Current Mode Controller for flyback topology
ADP1071-1: Programmable LLM or CCM for high VIN
applications
ADP1071-2: Forced CCM operation
Programmable slope compensation
Integrated 5 kV isolation with Analog Devices iCoupler
technology
Wide voltage supply range
Primary VDD: Upto 60 V (ADP1071-2 only)
Secondary VDD2: Upto 36 V
Integrated 1A primary side MOSFET driver for
Integrated 1A secondary side MOSFET driver for
synchronous rectification
Integrated error amplifier and < 1% accurate reference
voltage
Programmable frequency range: 50 kHz - 600 kHz
Duty cycle clamp limit 85%
Programmable soft start and soft start from pre-charged
load
Protection features such as short circuit, …