CS51414GD8G ON Semiconductor, CS51414GD8G Datasheet
CS51414GD8G
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CS51414GD8G Summary of contents
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CS51411, CS51412, CS51413, CS51414 1.5 A, 260 kHz and 520 kHz, Low Voltage Buck Regulators with External Bias or Synchronization Capability The CS5141X products are 1.5 A buck regulator ICs. These devices are fixed−frequency operating at 260 kHz and 520 ...
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CS51411 BOOST GND SW SHDNB SYNC CS51412 BOOST GND SW BIAS SHDNB PACKAGE PIN DESCRIPTION SOIC−8 DFN18 Package Pin # Package Pin ...
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PRODUCT SELECTION GUIDE Part Number Frequency CS51411E CS51411G CS51412E CS51412G CS51413E CS51413G CS51414E CS51414G 4.5 V − 100 mF 4 Shutdown 5 SYNC 0.1 mF Figure 1. Application Diagram, 4.5 V − 3.3 ...
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MAXIMUM RATINGS Pin Name V Max BOOST 7 SHDNB 7.0 V SYNC 7.0 V BIAS 7 7 GND 7.0 V ELECTRICAL CHARACTERISTICS (−40°C ...
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ELECTRICAL CHARACTERISTICS (−40°C < T 0°C < T < 70°C (CS51411G/2G/3G/4G), 4.5 V< Characteristic Sync Sync Frequency Range Sync Frequency Range Sync Pin Bias Current Sync Threshold Voltage Shutdown Shutdown Threshold Voltage Shutdown Pin Bias Current Thermal Shutdown ...
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SHDNB V IN Shutdown Comparator 2.9 V LDO + Voltage BIAS Regulator − 1 1.270 V − Amplifier SYNC 5.0 mA Artificial Oscillator Ramp + − ∑ + − PWM Com- parator − − ...
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THEORY OF OPERATION 2 V Control The CS5141X family of buck regulators utilizes a V2 control technique and provides a high level of integration to enable high power density design optimization. Every pulse width modulated controller configures basic control elements ...
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Control Ramp Generation In original V2 designs, the control ramp VCR was generated from the converter’s output ripple. Using a current derived ramp provides the same benefits as current mode, namely input feed forward, single pole output filter compensation and ...
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Some representative efficiency data is shown in Figure 10. 100 Vin = 5.5 V, Vout= 3 Vin = 7.5 V, Vout = 5.0 V Vin = 15V, Vout = 500 I ...
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The maximum load current, given by the following formula under continuous conduction mode, is less than the Current Limit due to the ripple current O(MAX) + ...
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5mA SHDNB Q1 20k D1 8V (a) 0.65V SHDNB (b) (c) Figure 15. SHDNB pin equivalent internal circuit (a) and practical interface examples (b), (c). Figure 15(a) depicts the SHDNB pin equivalent internal ...
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Figure 17, and the benefit of the foldback frequency and current limit is self−evident. Figure 17. In Short Circuit, the Foldback Current and Foldback Frequency Limit the Switching Current to Protect the IC, Inductor and Catch Diode Thermal Considerations A ...
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P1 on and current is routed to the internal bias circuitry from the BIAS pin. Here is an example of the power savings: The input voltage range for The input in voltage ...
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Ceramic capacitors are now available in values over 10 mF. Since the ceramic capacitor has low ESR and ESL, a single ceramic capacitor ...
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... For the diode to survive the short circuit condition, the current rating of the diode should be equal to the Foldback Current Limit. See Table 1 for Schottky diodes from ON Semiconductor which are suggested for CS5141X regulator. Inductor Selection ...
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Table 1. Part Number V BREAKDOWN 1N5817 1N5818 1N5819 MBR0520 MBR0530 MBR0540 MBRS120 MBRS130 MBRS140 Table 2. Vendor Coiltronics THIN−PAC: SMT, toroid, low profile Coilcraft DS/DT 1608: SMT, barrel, magnetically shielded DS/DT 3316: SMT, barrel, magnetically shielded Pulse (V) I ...
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V − input Figure 25. Additional Application Diagram, 5.0 V − −5.0 V/400 mA Inverting Converter 100 mF V ...
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... CS51412GDR8 CS51412GDR8G CS51412GMNR2G CS51413GD8 CS51413GD8G CS51413GDR8 CS51413GDR8G CS51413GMNR2G CS51414GD8 CS51414GD8G CS51414GDR8 CS51414GDR8G CS51414GMNR2G †For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specifications Brochure, BRD8011/D. Package SOIC−8 SOIC−8 (Pb−Free) SOIC− ...
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... G C SEATING PLANE −Z− 0.25 (0.010 *For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. PACKAGE THERMAL DATA Parameter R qJC R qJA PACKAGE DIMENSIONS SOIC−8 NB CASE 751−07 ISSUE ...
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... 0.05 C NOTE 3 *For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. Parameter Typical N. American Technical Support: 800−282−9855 Toll Free USA/Canada Europe, Middle East and Africa Technical Support: Phone: 421 33 790 2910 Japan Customer Focus Center Phone: 81− ...