SS6578 ETC-unknow, SS6578 Datasheet
SS6578
Related parts for SS6578
SS6578 Summary of contents
Page 1
... When the SS6578 is used in a high-side current-sensing step-down constant-current source, the efficiency is typically greater than 90%. Duty-cycle can be adjusted to greater than 90% by connecting a ...
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... Refer to TYPICAL APPLICATION CIRCUIT. Rev.2.02 4/06/2004 + SS32 470 VIN CS DUTY CS SHDN DRI 0 <15V GND U1 SS6578 ...
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... Shutdown Threshold SHDN Pin Leakage Current Duty Cycle Oscillator Frequency Rev.2.02 4/06/2004 CONDITIONS MIN. TYP 1. SHDN 1.16 1. 13V 50 70 CS+ 0.8 1.5 V < 15V SHDN DUTY 225 DUTY IN www.SiliconStandard.com SS6578 MAX. UNIT 20 V 160 1. 2 KHz ...
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... Fig. 4 Duty Cycle vs. R 110 100 = Fig. 6 Quiescent Current vs www.SiliconStandard.com SS6578 V =13V IN V =20V Temperature ( C) V =10V IN V =15V IN V =20V IN R refer to Typ. App. DUTY Circuit ...
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... Reference Voltage to adjust DUTY PIN 5: GND - Power ground. must DUTY =20V. IN PIN 6: DRI for normal PIN 7: CS- PIN 8: CS+ - Current www.SiliconStandard.com SS6578 8 CS+ 7 CS- 6 DRI 5 GND Connecting a resistor R1 to converter output node and a resistor R2 to ground yields the output voltage: V =1.22 x (R1+R2)/ R2 ...
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... 18V C1 Efficiency vs. Load Current OUT 33 H *L1 + 330 *:Sumida MPP Core 75 10 Fig. 8 3.3V Step-Down Converter www.SiliconStandard.com SS6578 Efficiency vs. Load Current V =5V OUT 100 1000 Load Current (mA =3.3 OUT V =16V IN 10 1000 Load Current (mA) ...
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... C8 MODE TMR C11 C6 100 SS6781 R11 240K R13 470K Q2 C13 + 10 F >V +3.5V IN BATT >V +4V IN BATT >V +4.5V IN BATT www.SiliconStandard.com SS6578 D2 SS32 SW1 LED3 LED2 PB SW R12 GREEN 100K RED 16 DSW R16 R17 15 ICON 680 680 14 LED2 13 LED1 12 GND 11 SEL1 10 SEL2 9 *:Sumida MPP Core V > ...
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... In order to eliminate the over-shoot issue which happens when Vout is under 5V, we offer two solutions for the SS6578 as a buck controller. 1. Buck Converter with 12V<Vin<18V When the SS6578 is used in a Buck Circuit with V <5V, add a resistor R1 of 680 ohm and OUT a Zener diode ...
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... SS32 1 CS+ 8 VIN *** R6 2 CS- 7 DUTY SHDN DRI C2 <15V 0.1uF GND R1 3K3 U1 SS6578 Fig 11. DC/DC Buck Converter V =3.3V OUT Circuit Protection 3. Design 2: shown as Fig. 13. . OUT www.SiliconStandard.com SS6578 +V , 3.3V OUT + C4 R3 470 F 47K R4 27K fuse can be selected to pass the start up current, but open quickly with a large unexpected current ...
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... Short Circuit Protection Rev.2.02 4/06/2004 SS32 1 8 VIN CS DUTY C4 CS- D3 1500 F/6. SHDN DRI 6. 0 GND U2 SS6578 Fig 12. Add a Fast Fuse Solution +V 12V 20mR Q2 D2 SS32 R6 680 1 CS+ 8 VIN 2 CS- 7 DUTY D3 + 470 F 6.8V 3 SHDN DRI C5 16V ...
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... Silicon Standard Corporation or any third parties. Rev.2.02 4/06/2004 SYMBOL SYMBOL www.SiliconStandard.com SS6578 MIN MAX 1.35 1.75 0.10 0.25 0.33 0.51 0.19 0.25 4.80 5.00 3.80 4.00 1.27(TYP) 5.80 6.20 0.40 1.27 MIN MAX 0.381 — 2.92 4.96 0.35 0.56 0.20 0.36 9.01 10 ...