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AS2214 Datasheet(PDF) 5 Page - List of Unclassifed Manufacturers |
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AS2214 Datasheet(HTML) 5 Page - List of Unclassifed Manufacturers |
5 / 8 page Primary Side PWM Controller AS2214 87 ASTEC Semiconductor Absolute Maximum Ratings Parameter Symbol Rating Unit Reference Current IREF 200 mA Output Current IOUT 1A Supply Voltage VCC 20 V Output Voltage VOUT 20 V Continuous Power Dissipation at 25 ° CPD 500 mW Junction Temperature TJ 150 °C Storage Temperature Range TSTG – 65 to 150 °C Lead Temperature, Soldering 10 Seconds TL 300 °C Stresses greater than those listed under ABSOLUTE MAXIMUM RATINGS may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability. Recommended Conditions Parameter Symbol Rating Unit Supply Voltage VCC 10 - 15 V Oscillator FOSC 50 - 250 kHz Typical Thermal Resistance Package θJA θJC Typical Derating 14L PDIP 85 ° C/W 40 ° C/W 11.7 mW/ °C Electrical Characteristics Electrical Characteristics are guaranteed over full junction temperature range (0 to 105 ° C). Ambient temperature must be derated based on power dissipation and package thermal characteristics. Unless otherwise specified, the conditions of test are VCC = 15 V; BOK = 3 V; OV = 0V; RT = 680 Ω; CT = 10 nF. To override UVLO, VCC should be raised above 18 V prior to test. Parameter Symbol Test Condition Min Typ Max Unit Error Amplifier Input Voltage VFB TJ = 25 °C 2.465 2.500 2.535 V Input Bias Current IBIAS -0.1 -1 µA Voltage Gain AVOL 2 ≤ VCOMP ≤ 4 V 65 90 dB Transconductance Gm 1 mA/mV Unity Gain Bandwidth GBW 0.8 1.2 MHz Power Supply Rejection Ratio PSRR 12 ≤ VCC ≤ 18 V 60 70 dB Output Sink Current ICOMPL VFB = 2.7 V; VCOMP = 1.1 V 2 6 mA Output Source Current ICOMPH VFB = 2.3 V; VCOMP = 5 V 0.5 1.0 mA Output Swing High ICOMPH VFB = 2.3 V; RL = 15 Ω to GND 5 5.5 V Output Swing Low ICOMPL VFB = 2.7 V; RL = 15 Ω to VREG 0.7 1.1 V |
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