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PTQA430033N2AS Datasheet(PDF) 3 Page - Texas Instruments |
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PTQA430033N2AS Datasheet(HTML) 3 Page - Texas Instruments |
3 / 16 page www.ti.com ELECTRICAL CHARACTERISTICS PTQA430025 PTQA430025, PTQA430033 SLTS261 – MAY 2006 (Unless otherwise stated, T A =25°C, VI = 48 V, VO = 2.5 V, CO = 0 µF, and IO = IOmax) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT IO Output Current Over VI range 0 30 A VI Input Voltage Range Over IO Range 36 48 75 V VO tol Set Point Voltage ±1(1) %VO Tolerance Regtemp Temperature Variation –40 °C >T A > 85°C ±1.15 %VO Regline Line Regulation Over VI range ±5 mV Regload Load Regulation Over IO range ±5 mV ∆V otot Total Output Voltage Includes set-point, line, load, –40 °C >T A > 85°C ±1.5 ±3 %V O Variation ∆V ADJ Output Adjust Range PO≤ 75 W –20 10 %VO η Efficiency IO = 50% IOmax 91% VR VO Ripple (pk-pk) 20 MHz bandwidth 50 mVpp ttr 0.1 A/ µs slew rate, 50% to 75% I Omax 150 µs Transient Response ∆V tr VO over/undershoot 25 mV ITRIP Overcurrent Threshold Shutdown, followed by auto-recovery 41 A OVP Output Overvoltage Output shutdown and latch off 120 %VO Protection OTP Over Temperature Temperature Measurement at thermal sensor. Hysteresis = 10 °C 105 ° C Protection nominal. fs Switching Frequency Over VI range 300 kHz VOFF VI decreasing, IO = 6 A 32.5 UVLO Undervoltage Lockout V VHYS Hysteresis 1.5 On/Off Input: Negative Enable VIH Input High Voltage 2.4 Open(2) Referenced to –VI V VIL Input Low Voltage –0.2 0.8 IIL Input Low Current –0.3 mA On/Off Input: Positive Enable VIH Input High Voltage 4.5 Open(2) Referenced to –VI V VIL Input Low Voltage –0.2 0.8 IIL Input Low Current –0.5 mA IISB Standby Input Current Output disabled (pin 2 status set to Off) 3 mA CI Internal Input Capacitance Between +VI and –VI 3 µF CO External Output Between +VO and –VO 0 30000 µF Capacitance Isolation Voltage Input-to-output and input-to-case 1500 Vdc Isolation Capacitance Input-to-output 1200 pF Isolation Resistance Input-to-output 10 M Ω (1) If Sense(–) is not used, pin 5 must be connected to pin 4 for optimum output voltage accuracy. (2) The Remote On/Off input has an internal pull-up and may be controlled with an open collector (drain) interface. An open circuit correlates to a logic high. Consult the application notes for interface considerations. 3 Submit Documentation Feedback |
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