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PFS7329H Datasheet(PDF) 11 Page - Power Integrations, Inc. |
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PFS7329H Datasheet(HTML) 11 Page - Power Integrations, Inc. |
11 / 30 page Rev. B 06/13 11 PFS7323-7329 www.powerint.com Output Power Table eSIP Package Product Efficiency Power Mode R = 49.9 k W Full Power Mode R = 24.9 k W Maximum Continuous Output Power Rating at 90 VAC2 Peak Output Power Rating at 90 VAC4 Maximum Continuous Output Power Rating at 90 VAC2 Peak Output Power Rating at 90 VAC4 Minimum3 Maximum Minimum3 Maximum PFS7323L 60 W 80 W 90 W 85 W 110 W 120 W PFS7324L 80 W 110 W 120 W 100 W 130 W 150 W PFS7325L 110 W 150 W 165 W 140 W 185 W 205 W PFS7326H 140 W 185 W 205 W 180 W 230 W 260 W PFS7327H 175 W 230 W 255 W 220 W 290 W 320 W PFS7328H 210 W 280 W 310 W 270 W 350 W 385 W PFS7329H 235 W 320 W 345 W 293 W 380 W 425 W Table 2. Output Power Table. Notes: 1. See Key Application considerations. 2. Maximum practical continuous power at 90 VAC in an open-frame design with adequate heat sinking, measured at 50 °C ambient. 3. Recommended lower range of maximum continuous power for best light load efficiency; HiperPFS-2 will operate and perform below this level. 4. Internal output power limit. Hysteretic Thermal Shutdown The thermal shutdown circuitry senses the controller die temperature. The threshold is set at 117 °C typical with a 49 °C hysteresis. When the die temperature rises above this threshold (OTP) (117 °C +8/-7 °C), the controller initiates a fast soft- shutdown and remains disabled until the die temperature falls by ~49°C, at which point the device will re-initiate the soft-start sequence. In the event an OTP is detected when the VOLTAGE MONITOR pin current is below I UV+ threshold, the device will initiate a soft-shutdown and remain disabled until all the conditions for the start-up (soft-start sequence) are satisfied. In this mode of operation the OTP hysteresis is disabled. When soft-shutdown is initiated by an over-temperature fault (OTP) the brown-out timer delay (t BROWN-OUT) is disabled. The behavior of OTP depends on the input voltage peak detected following the thermal fault. If the input peak voltage detected after the thermal fault is below I UV+, OTP hysteresis is disabled, however if the peak input voltage after the thermal fault is above I UV+ then the OTP hysteresis is enabled prior to re-initiating the soft-start sequence. The maximum time delay for soft-shutdown to occur after an OTP event is detected is t REFRESH. In the event the input voltage is reduced below the brown-in threshold and an OTP event occurs (no OTP hysteresis) and the input voltage is raised immediately above brown-in before the controller junction temperature falls below the OTP threshold, the controller will initiate a soft-start once the controller junction is just below the OTP threshold. Depending on the system thermal conditions, the controller could initiate OTP shutdown again because of insufficient time to cool down the controller. The OTP shutdown that occurs when the input voltage is above brown-in will have hysteresis enabled. |
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