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Power by Linear / Analog Devices’ ADP1071 are pulse-width modulation (PWM) current mode fixed frequency synchronous flyback controllers. These controllers use Analog Devices proprietary iCoupler technology to eliminate the bulky signal transformers and_optocouplers that transmit signals over the isolation boundary. Integrating the iCouplers reduces system design complexity, cost, and_component count_and_improves overall system reliability. With the integrated isolators and_metal-oxide semiconductor field effect transistor (MOSFET) drivers on both the primary and_the secondary side, the ADP1071 offers a compact system-level design and_yields a higher efficiency than a diode-rectified flyback converter at heavy loads. Output regulation is achieved by sensing the output voltage on the secondary side, where the feedback and_the PWM signals are transmitted between the primary and_secondary sides through the iCouplers.
The ADP1071-2 is designed for isolated dc-to-dc applications typically with an input voltage less than 36 V. The ADP1071-1 targets high input voltage applications in which the dc input voltage can exceed 60 V. These controllers offer features such as input current protection, output overvoltage protection (OVP), undervoltage lockout (UVLO), precision enable with adjustable hysteresis, overtemperature protection (OTP), and_power saving light load mode (LLM). The ADP1071 comes in a 16-lead SOIC_W package with an isolation voltage rating of 5 kVrms. The ADP1071 is designed for isolated dc-to-dc power supplies found in telecom, industrial, and_PoE applications
Integrated 5 kV isolation with Analog Devices, Inc., iCoupler technology
Current mode controller for flyback topology
Programmable LLM or CCM for high VIN applications
Programmable slope compensation
Integrated 1 A primary side MOSFET driver
Integrated 1 A secondary side MOSFET drivers for synchronous rectification
Integrated error amplifier and_<1%_accurate reference voltage
Programmable frequency range: 50 kHz to 600 kHz
Duty cycle clamp limit 85%_
Programmable soft start and_soft start from pre-charged load
Protection features such as short circuit, output overvoltage, and_overtemperature protection
Wide voltage supply range
Secondary VDD2: up to 36 V
Power saving LLM using MODE pin
Cycle by cycle input overcurrent protection
Precision enable UVLO with hysteresis
Frequency synchronization
Safety and_regulatory approvals (pending)
CSA Component Acceptance Notice 5 A
Available in 16-lead SOIC_W package
UL recognition
5000 Vrms for 1 minute per UL 1577
VDE certificate of conformity
DIN V VDE V 0884-10 (VDE V 0884-10):2006-12
VIORM = 849 Vpeak
CQC certification per GB4943.1-2011
类别 集成电路(IC)
PMIC - 电源控制器,监视器
制造商 Analog Devices Inc.
应用 回扫,正向转换器
电压 - 输入 0.4 V ~ 3 V
电压 - 电源 4.7 V ~ 12.5 V
电流 - 电源 16.6mA
工作温度 -40°C ~ 125°C
安装类型 表面贴装
封装/外壳 16-SOIC(0.295,7.50mm 宽)
供应商器件封装 16-SOIC
ADP1071-1ARWZ
ADP1071-2ARWZ
ADP1071-2EBZ12.1V
ADP1071-1EVALZ
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