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TK65020 Datasheet(PDF) 3 Page - TOKO, Inc |
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TK65020 Datasheet(HTML) 3 Page - TOKO, Inc |
3 / 14 page ADVANCED INFORMATION January 1999 TOKO, Inc. Page 3 TK65020 BENCH TEST CIRCUIT Above is the Final Test Circuit through which each of the production parts must pass. In this test circuit, the part is tested against the specification limits in the data sheet (the min. and max. values in the Electrical Characteristics) at room temperature, and is rejected if the tested values are outside the minimum (min.) and maximum (max.) values. FINAL TEST CIRCUIT VIN GND GND NC VOUT SW IB L = 95 µF D IOUT VOUT RS 1 K VIN CN 10 µF CD 10 µF CS 220 pF ROF 15 ++ CU 10 µF Inductor L: Toko A682AE-014 or equivalent Diode D: LL101 Capacitors C N:CU:CD: Panasonic TE series, ECS-TOJY106R VIN GND GND NC VOUT IND IB L = 95 µH D IOUT VOUT RN 1 K RS 1 K VIN CN 10 µF CO 10 µF I(VIN) CS 220 pF I(VOUT) CB 10 µF Inductor L: Toko A682AE-014 or equivalent Diode D: LL103A or equivalent Capacitors C N:CO:CB: Panasonic TE series, ECS-TOJY106R Note 2: Maximum load current depends on inductor value and input voltages. Note 3: Output ripple depends on filter capacitor values, ESRs and the inductor value. Note 4: When using specified Toko inductor and Schottky diode with V F = 0.45 V @ 100 mA. Note 5: Regulation not guaranteed The Bench Test Circuit is used most of the time to measure the typical (typ.) values in the Electrical Characteristics section, and make the Typical Performance graphs. Note: In measuring the oscillator frequency and the Max I OUT on the bench, the converter was loaded until “no pulse skipping” mode was achieved. |
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