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ML4823IP Datasheet(PDF) 2 Page - Micro Linear Corporation |
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ML4823IP Datasheet(HTML) 2 Page - Micro Linear Corporation |
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2 / 9 page  ML4823 2 PIN CONFIGURATION PIN NAME FUNCTION PIN NAME FUNCTION 1 (2) INV Inverting input to error amp. 2 (3) NI Non-inverting input to error amp. 3 (4) E/A OUT Output of error amplifier and input to main comparator. 4 (5) CLOCK Oscillator output. 5 (7) RT Timing resistor for oscillator — sets charging current for oscillator timing capacitor (pin 6). 6 (8) CT Timing capacitor for oscillator. 7 (9) RAMP Non-inverting input to main comparator. Connected to CT for Voltage mode operation or to current sense resistor for current mode. 8 (10) SS Normally connected to soft start capacitor. PIN DESCRIPTION (Pin Numbers in Parentheses are for PLCC Version) 9 (12) ILIM/S.D. Current limit sense pin. Normally connected to current sense resistor. 10 (13) GND Analog signal ground. 11 (14) ILIM REF Reference input for cycle-by-cycle current limit comparator. 12 (15) PWR GND Return for the high current totem pole output. 13 (17) VC Positive supply for the high current totem pole output. 14 (18) OUT B High current totem pole output. 15 (19) VCC Positive supply for the IC. 16 (20) 5.1V REF Buffered output for the 5.1V voltage reference. INV NI E/A OUT CLOCK RT CT RAMP SS 5.1V REF VCC OUTPUT VC PWR GND ILIM REF GND ILIM/S.D. 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 TOP VIEW 32 1 20 19 18 17 16 15 14 910 11 12 13 4 5 6 7 8 OUTPUT VC NC PWR GND ILIM REF E/A OUT CLOCK NC RT CT TOP VIEW ML4823 16-PIN DIP (P16) 16-PIN SOIC (S16W) ML4823 20-PIN PLCC (Q20) |
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