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IRU1237SCCP Datasheet(PDF) 1 Page - International Rectifier |
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IRU1237SCCP Datasheet(HTML) 1 Page - International Rectifier |
1 / 7 page IRU1237SC 1 Rev. 1.2 07/14/03 www.irf.com PACKAGE ORDER INFORMATION APPLICATIONS DESCRIPTION The IRU1237SC voltage regulator solution contains three integrated, fixed, linear voltage regulators in one 7-pin surface mount package. The first is a 2.6V regulator to power the read channel and integrated controller/ mP. The second is a 3.3V regulator to power the controller I/O and memory chips requiring 3.3V. The last is an 8V regu- lator to power the preamp chip. The bandgap reference, the 8V ground, and the substrate are all tied to a com- mon ground pin, while the 2.6V and 3.3V ground is tied to a separate ground pin. This grounding scheme allows for improved noise isolation between the 8V regulator and the 2.6V and 3.3V regulators. The 2.6V and 3.3V regulators shall each be capable of 1.2A continuous for a 5.25V input. The 8V regulator shall be capable of 0.2A continuous for a 13.2V input. THREE INTEGRATED, FIXED OUTPUT LINEAR VOLTAGE REGULATORS Figure 1 - Typical application of IRU1237SC. Data Sheet No. PD94581 FEATURES Stable with Ceramic Capacitor Fixed 8V, 3.3V and 2.6V Fast Transient Response Output Current Limiting for each outputs Built-In Thermal Shutdown Hard Disk Drive Multi-Outputs Applications High Efficiency Linear Regulator PRELIMINARY DATA SHEET TYPICAL APPLICATION TJ (°C) 7-PIN PLASTIC PACKAGE Ultra Thin-PakTM (P) MARKING 0 To 150 IRU1237SCCP US1237SCCP Gnd26/33 V33 VCC Gnd8 V8 VDD V26 10uF 12V 5V IRU1237SC 10uF 1uF 1uF 10uF 2.6V / 1.2A 8V / 200mA 3.3V / 1.2A |
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