Datasheet ADP1071-1, ADP1071-2 (Analog Devices) - 6

制造商Analog Devices
描述Isolated Synchronous Flyback Controller with Integrated iCoupler
页数 / 页27 / 6 — ADP1071-1. /ADP1071-2. Data Sheet. Parameter. Symbol. Test …
修订版B
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文件语言英语

ADP1071-1. /ADP1071-2. Data Sheet. Parameter. Symbol. Test Conditions/Comments. Min. Typ. Max. Unit

ADP1071-1 /ADP1071-2 Data Sheet Parameter Symbol Test Conditions/Comments Min Typ Max Unit

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ADP1071-1 /ADP1071-2 Data Sheet Parameter Symbol Test Conditions/Comments Min Typ Max Unit
SYNC PIN Synchronization Range 100 600 kHz Input Pulse Width 100 ns Number of Cycles 7 Cycles Before Synchronization Input Voltage Low 0.4 V High 3 V Leakage Current 1 µA iCOUPLER DELAY COMP Signal Delay 600 ns Through iCoupler OVP PIN THRESHOLDS OVP Pin OV Threshold Overvoltage (OV) threshold for OVP pin 1.3 1.36 1.42 V OVP Pin OV Hysteresis 36 mV OVP Comparator Delay 320 ns (Includes iCoupler Delay) OVP Pin Leakage 1 µA Current OVP Hiccup Time before entering OVP hiccup mode 200 ms Hiccup time trigged by OVP event 200 ms 1 Short-circuit duration is less than 1 μs. Average power must conform to the limit shown in the Absolute Maximum Ratings section.
INSULATION AND SAFETY RELATED SPECIFICATIONS Table 2. Parameter Symbol Test Conditions/Comments Min Typ Max Unit
WIDE BODY SOIC iCOUPLER Rated Dielectric Insulation 1 minute duration 5 kV Voltage Minimum External Air Gap Measured from input terminals to output terminals, 7.6 mm (Clearance) shortest distance through air Minimum External Air Gap Measured from input terminals to output terminals, 7.6 mm (Creepage) shortest distance path along body Minimum Internal Gap (Internal Insulation distance through insulation 0.030 mm Clearance) Tracking Resistance CTI >400 V (Comparative Tracking Index) Isolation Group Material Group (DIN VDE 0110, 1/89, Table 1) II LAND GRID ARRAY (LGA) iCOUPLER Rated Dielectric Insulation 1 minute duration 2.5 kV Voltage Minimum External Air Gap Measured from input terminals to output terminals, 4 mm (Clearance) shortest distance through air Minimum External Air Gap Measured from input terminals to output terminals, 4 mm (Creepage) shortest distance path along body Minimum Internal Gap (Internal Insulation distance through insulation 0.030 mm Clearance) Tracking Resistance CTI >400 V (Comparative Tracking Index) Isolation Group Material Group (DIN VDE 0110, 1/89, Table 1) I Rev. B | Page 6 of 27 Document Outline Features Applications Functional Block Diagram General Description Revision History Specifications Insulation and Safety Related Specifications Regulatory Information Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configurations and Function Descriptions Typical Performance Characteristics Theory of Operation Detailed Block Diagram Primary Side Supply, Input Voltage, and LDO Secondary Side Supply and LDO Precision Enable Soft Start Procedure Output Voltage Sensing and Feedback Loop Compensation and Steady State Operation Slope Compensation Input/Output Current-Limit Protection Temperature Sensing Frequency Setting (RT Pin) Maximum Duty Cycle Frequency Synchronization Synchronous Rectifier (SR) Driver Output Overvoltage Protection (OVP) SR Dead Time Light Load Mode (LLM) and Continuous Conduction Mode (CCM) Soft Stop OCP/Feedback Recovery Output Voltage Tracking Remote System Reset OCP Counter External Start-Up Circuit Insulation Lifetime Layout Guidelines Applications Information Typical Application Circuits Outline Dimensions Ordering Guide