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AN8049SH Datasheet(PDF) 7 Page - Panasonic Semiconductor |
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AN8049SH Datasheet(HTML) 7 Page - Panasonic Semiconductor |
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7 / 28 page  Voltage Regulators AN8049SH 7 Pin No. Equivalent circuit Description I/O 1 S.C.P.: O Connection for the capacitor that sets the timer latch short-circuit protection circuit time constant. Use a capacitor with a value of 1 000 pF or higher. The charge current ICHG is 1.1 µA typical. 2 DT3: I Sets the channel 3 soft start time. Set the time by connecting a capacitor between this pin and ground. (See the "Application Notes, [7]" section.) Note that although the channel 3 maximum on duty is set internally to 86%, the maximum on duty can be adjusted by connecting resistors between this pin and ground, and between this pin and the VREF pin. (See the "Application Notes, [6]" section.) 3 DT2: I Sets the channel 2 soft start time. Set the time by connecting a capacitor between this pin and ground. (See the "Application Notes, [7]" section.) Note that although the channel 2 maximum on duty is set internally to 86%, the maximum on duty can be adjusted by connecting resistors between this pin and ground, and between this pin and the VREF pin. (See the "Application Notes, [6]" section.) 4 DT1: I Sets the channel 1 soft start time. Set the time by connecting a capacitor between this pin and ground. (See the "Application Notes, [7]" section.) Note that although the channel 1 maximum on duty is set internally to 86%, the maximum on duty can be adjusted by connecting resistors between this pin and ground, and between this pin and the VREF pin. (See the "Application Notes, [6]" section.) s Terminal Equivalent Circuits 1.26 V VCC Latch S R Q 1.1 µA 1.5 k Ω Output shutoff 1 46 k Ω 44 k Ω PWM3 2 9 20 17 55 k Ω 45 k Ω PWM2 3 9 22 17 55 k Ω 45 k Ω PWM1 4 9 24 17 |
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