CS5161GDR16 ON Semiconductor, CS5161GDR16 Datasheet
CS5161GDR16
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CS5161GDR16 Summary of contents
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... ID2 V V ID3 CC1 V SS GATE(L) V PGnd ID4 C V OFF GATE( FFB CC2 ORDERING INFORMATION Device Package Shipping 48 Units/Rail CS5161GD16 SO−16 2500 Tape & Reel CS5161GDR16 SO−16 CS5161HGD16 SO−16 48 Units/Rail CS5161HGDR16 SO−16 2500 Tape & Reel Publication Order Number: CS5161/D ...
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CC1 CC2 V V ID0 ID0 V V ID1 ID1 V V ID2 ID2 V V ID3 ID3 CS5161 V V ID4 ID4 C OFF 680 pF SS 0.1 μF COMP LGnd 0.33 μF 1.3 k ...
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MAXIMUM RATINGS (continued) Pin Name COMP OFF V FFB V − V ID0 ID4 V (CS5161) GATE(H) V (CS5161H) GATE(H) V GATE(L) LGnd PGnd ELECTRICAL CHARACTERISTICS 9.5 V < V < CS5161: 5.0 V < ...
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ELECTRICAL CHARACTERISTICS (continued) 9.5 V < V < CS5161: 5.0 V < V CC1 CC2 CV and CV = 1.0 nF; C GATE(L) GATE(H) OFF Characteristic PWM Comparator Transient Response V Bias Current FFB DAC Input Threshold Input ...
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ELECTRICAL CHARACTERISTICS (continued) 9.5 V < V < CS5161: 5.0 V < V CC1 CC2 CV and CV = 1.0 nF; C GATE(L) GATE(H) OFF Characteristic DAC ...
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PACKAGE PIN # PIN SYMBOL PACKAGE PIN DESCRIPTION −V Voltage ID DAC input pins. These pins are internally pulled ID0 ID4 up to ...
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V Monitor CC1 Comparator − V CC1 + 9.05 V 8.90V SS V ID0 Error V ID1 Amplifier 5 BIT + V DAC ID2 V − ID3 PWM Comparator V ID4 Slow Feedback V FB COMP Fast Feedback V FFB ...
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The V control method is illustrated in Figure 3. The output voltage is used to generate both the error signal and the ramp signal. Since the ramp signal is simply the output voltage affected by any change ...
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Its voltage is limited by the Soft Start COMP clamp and the voltage on the Soft Start pin (see Figures 4 and 5). M 250 μs Trace 1− Regulator Output Voltage (1.0 V/div.) Trace ...
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M 1.00 μs Trace 1− Regulator Output Voltage (10 mV/div.) Trace 2− Inductor Switching Node (5.0 V/div.) Figure 8. CS5161/5161H Peak−to−Peak Ripple 2 (Heavy Load) OUT OUT Transient Response 2 The CS5161/5161H ...
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This causes the top MOSFET to shut off, disconnecting the regulator from it’s input voltage. The Soft Start capacitor is then slowly discharged by a 2.0 μA current source until it reaches it’s lower 0.7 V threshold. The regulator ...
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M 5.00 ms Trace 4− 5.0 V from PC Power Supply (5.0 V/div.) Trace 1− Regulator Output Voltage (1.0 V/div.) Figure 15. CS5161/5161H OVP Response to an Input−to−Output Short Circuit by Pulling the Input Voltage to Ground External Output Enable ...
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The circuit that implements this function is shown in Figure 19. 16 COMP C COMP CS5161 V OUT R2 12 GATE(L) Figure 19. Small RC Filter Provides the Proper Voltage Ramp at the Beginning of each On−Time Cycle The ramp ...
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Schottky Diode for Synchronous MOSFET A Schottky diode may be placed in parallel with the synchronous MOSFET to conduct the inductor current upon turn off of the switching MOSFET to improve efficiency. For a design operating at 200 kHz or ...
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Layout Guidelines 1. Place 12 V filter capacitor next to the IC and connect capacitor ground to pin 11 (PGnd). 2. Connect pin 11 (PGnd) with a separate trace to the ground terminals of the 5.0 V input capacitors. 3. ...
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ADDITIONAL APPLICATION DIAGRAMS 12 V MBRS 120 0.1 μF MBRS120 MBRS120 1.0 μF V CC1 V ID0 V ID1 V ID2 V ID3 CS5161 V ID4 C OFF 300 pF SS 0.1 μF COMP 033 μF Figure 24 ...
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CC2 CC1 V V ID0 ID0 V V ID1 ID1 V V ID2 ID2 V V ID3 ID3 V V CS5161 ID4 ID4 C OFF 680 pF SS 0.1 μF 0.1 μF COMP LGnd 1.0 μF ...
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... Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner. PUBLICATION ORDERING INFORMATION LITERATURE FULFILLMENT: Literature Distribution Center for ON Semiconductor P.O. Box 5163, Denver, Colorado 80217 USA Phone: 303−675−2175 or 800−344−3860 Toll Free USA/Canada Fax: 303− ...