RT8004PCP Richtek Technology Corporation, RT8004PCP Datasheet
RT8004PCP
Related parts for RT8004PCP
RT8004PCP Summary of contents
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Synchronous Step-Down Regulator General Description The RT8004 is a high efficiency synchronous, step-down DC/DC converter. Its input voltage range is from 2.65V to 5.5V and provides an adjustable regulated output voltage from 0. while delivering up ...
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RT8004 VDD 16 PGOOD 2 15 COMP SYNC 6 11 EN/ GND 8 9 SOP-16 Typical Application Circuit PGOOD www.richtek.com 2 (TOP VIEW) PVDD LX LX PGND PGND LX LX ...
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... Functional Pin Description Pin No. RT8004PS RT8004PCP RT8004PQP Exposed 6, Exposed 8 Pad (17) Pad (17 10,11, 10,11 12 14, 15 14, 15 12, 13 12, 13 10, 11 DS8004-03 September 2007 Pin Name Signal Input Supply. Decouple this pin to GND with a capacitor. ...
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RT8004 Function Block Diagram SYNC ExtSyn COMP 0. EN/SS Ext_SS SD Int_SS POR VDD GND Operation Main Control Loop The RT8004 is a monolithic, constant-frequency, current mode step-down DC/DC converter. During normal operation, the internal top power switch ...
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Dropout Operation When the input supply voltage decreases toward the output voltage, the duty cycle increases toward the maximum on- time. Further reduction of the supply voltage forces the main switch to remain on for more than one cycle eventually ...
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RT8004 Absolute Maximum Ratings Supply Input Voltage ---------------------------------------------------------------------------------------------- LX Pin Switch Voltage -------------------------------------------------------------------------------------------- Other I/O Pin Voltages ------------------------------------------------------------------------------------------- Power Dissipation 25° SOP-16 -------------------------------------------------------------------------------------------------------------- 1.25W TSSOP-16 ----------------------------------------------------------------------------------------------------------- 2.66W VQFN-16L 4x4 ----------------------------------------------------------------------------------------------------- 2.315W Package Thermal Resistance ...
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Parameter Switching Frequency Sync Frequency Range Switch On Resistance, High Switch On Resistance, Low Peak Current Limit Undervoltage Lockout Threshold SW Leakage Current EN/SS Leakage Current Enable Threshold Note 1. Stresses listed as the above “Absolute Maximum Ratings” may cause ...
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RT8004 Typical Operating Characteristics Efficiency vs. Output Current 100 100 3. 60% 50 50% 40 40% 30 30% 20 20 2.5V, 1M ...
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V Deviation vs. Temperature REF 1.50 3.3V IN 1.00% 0.50% 0.00% -0.50% -1.00% -1.50% -50 - Temperature Frequency vs. Input Voltage 1. 309k 1.032 1.024 1.016 1.008 1 0.992 3 3.5 4 Input Voltage ...
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RT8004 Application Information The basic RT8004 application circuit is shown in Typical Application Circuit. External component selection is determined by the maximum load current and begins with the selection of the inductor value and operating frequency followed by C and ...
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This formula has a maximum at V IRMS = I /2. This simple worst-case condition is OUT commonly used for design because even significant deviations do not offer much relief. Note that ripple current ratings from capacitor manufacturers are often ...
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RT8004 The RT8004 contains an internal soft-start clamp that gradually raises the clamp on COMP after the EN/SS pin is pulled above 0.8V. The full current range becomes available on COMP after 1024 switching cycles longer soft-start period ...
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As an example, consider the RT8004 in dropout at an input voltage of 3.3V, a load current of 3A and an ambient temperature of 70°C. From the typical performance graph of switch resistance, the R of the P-Channel switch DS(ON) ...
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RT8004 Outline Dimension J I Symbol www.richtek.com Dimensions In Millimeters Dimensions In Inches Min Max 9.804 10.008 3.810 3.988 1.346 1.753 0.330 0.508 1.194 1.346 ...
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EXPOSED THERMAL PAD (Bottom of Package) Symbol 16-Lead TSSOP (Exposed Pad) Plastic Package DS8004-03 September 2007 Dimensions In Millimeters Dimensions In Inches ...
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... V-Type 16L VQFN 4x4 Package Richtek Technology Corporation Taipei Office (Marketing) 8F, No. 137, Lane 235, Paochiao Road, Hsintien City Taipei County, Taiwan, R.O.C. Tel: (8862)89191466 Fax: (8862)89191465 Email: marketing@richtek.com 1 2 DETAIL A Pin #1 ID and Tie Bar Mark Options ...