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 | 12 / 6 — ADP1071-1/ADP1071-2. Preliminary Technical Data. Parameter. Symbol. Test … |
| 修订版 | PrA |
| 文件格式/大小 | PDF / 417 Kb |
| 文件语言 | 英语 |
ADP1071-1/ADP1071-2. Preliminary Technical Data. Parameter. Symbol. Test Conditions/Comments. Min. Typ. Max. Unit
文件文字版本
ADP1071-1/ADP1071-2 Preliminary Technical Data Parameter Symbol Test Conditions/Comments Min Typ Max Unit
LIGHT LOAD MODE LLM current source ADP1071-1: Resistor from MODE to 5 6 7 µA AGND1 Temperature Thermal shutdown 155 oC Hysteresis -15 oC SOFT START SS1 time on primary t GATE resistor= 10kΩ 16x775 Ts SS1 GATE resistor= 22kΩ 64x775 Ts GATE resistor= 47kΩ 256x775 Ts GATE resistor= 100kΩ 4x775 Ts SS2 current source During startup 15 20 25 µA SS2 discharging current During a fault condition or soft stop 30 µA SYNC pin Synchronization Range 100 600 kHz Input Pulse Width 100 ns Number of cycles before 7 synchronization Input low voltage 0.4 V Input high voltage 3 V Leakage Current 1 μA COMP signal delay through iCoupler 600 ns iCOUPLER Rated Dielectric Insulation 1 minute duration 5 kV Voltage Minimum External Air Gap Measured from input terminals to output 7.6 min mm (Clearance) terminals, shortest distance through air Minimum External Air Gap Measured from input terminals to output 7.6 min mm (Creepage) terminals, shortest distance path along body Minimum Internal Gap Insulation distance through insulation 0.030 mm (Internal Clearance) >400 V Tracking Resistance (Comparative Tracking CTI Material Group (DIN VDE 0110, 1/89, II Index) Table Isolation Group Common mode Transient -25 25 kV/µs Immunity, Dynamic FB AND OVPTHRESHOLDS Over-voltage threshold for OVP pin 1.3 1.36 1.42 V OV Hysteresis 25 mV UV threshold Under-voltage threshold 1.04 1.11 1.16 V FB pin UV Hysteresis 25 mV OVP comparator delay 250 ns (includes iCoupler delay) OVP pin leakage current 1 μA OVP hiccup Time before entering OVP hiccup mode 200 ms Hiccup time trigged by OVP event 200 ms 1 Short-circuit duration less than 1 μs. Average power must conform to the limit shown under the Absolute Maximum Ratings. 2 Short-circuit duration less than 1 μs. Average power must conform to the limit shown under the Absolute Maximum Ratings. Rev. PrA | Page 6 of 12 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION TABLE OF CONTENTS TYPICAL APPLICATION CIRCUITS SPECIFICATIONS REGULATORY INFORMATION ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS SIMPLIFIED BLOCK DIAGRAM APPLICATIONS INFORMATION INSULATION LIFETIME OUTLINE DIMENSIONS
LIGHT LOAD MODE LLM current source ADP1071-1: Resistor from MODE to 5 6 7 µA AGND1 Temperature Thermal shutdown 155 oC Hysteresis -15 oC SOFT START SS1 time on primary t GATE resistor= 10kΩ 16x775 Ts SS1 GATE resistor= 22kΩ 64x775 Ts GATE resistor= 47kΩ 256x775 Ts GATE resistor= 100kΩ 4x775 Ts SS2 current source During startup 15 20 25 µA SS2 discharging current During a fault condition or soft stop 30 µA SYNC pin Synchronization Range 100 600 kHz Input Pulse Width 100 ns Number of cycles before 7 synchronization Input low voltage 0.4 V Input high voltage 3 V Leakage Current 1 μA COMP signal delay through iCoupler 600 ns iCOUPLER Rated Dielectric Insulation 1 minute duration 5 kV Voltage Minimum External Air Gap Measured from input terminals to output 7.6 min mm (Clearance) terminals, shortest distance through air Minimum External Air Gap Measured from input terminals to output 7.6 min mm (Creepage) terminals, shortest distance path along body Minimum Internal Gap Insulation distance through insulation 0.030 mm (Internal Clearance) >400 V Tracking Resistance (Comparative Tracking CTI Material Group (DIN VDE 0110, 1/89, II Index) Table Isolation Group Common mode Transient -25 25 kV/µs Immunity, Dynamic FB AND OVPTHRESHOLDS Over-voltage threshold for OVP pin 1.3 1.36 1.42 V OV Hysteresis 25 mV UV threshold Under-voltage threshold 1.04 1.11 1.16 V FB pin UV Hysteresis 25 mV OVP comparator delay 250 ns (includes iCoupler delay) OVP pin leakage current 1 μA OVP hiccup Time before entering OVP hiccup mode 200 ms Hiccup time trigged by OVP event 200 ms 1 Short-circuit duration less than 1 μs. Average power must conform to the limit shown under the Absolute Maximum Ratings. 2 Short-circuit duration less than 1 μs. Average power must conform to the limit shown under the Absolute Maximum Ratings. Rev. PrA | Page 6 of 12 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION TABLE OF CONTENTS TYPICAL APPLICATION CIRCUITS SPECIFICATIONS REGULATORY INFORMATION ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS SIMPLIFIED BLOCK DIAGRAM APPLICATIONS INFORMATION INSULATION LIFETIME OUTLINE DIMENSIONS