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33394 データシート(PDF) 1 Page - Freescale Semiconductor, Inc |
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33394 データシート(HTML) 1 Page - Freescale Semiconductor, Inc |
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1 / 44 page  33394 SEMICONDUCTOR TECHNICAL DATA MULTI–OUTPUT POWER SUPPLY PIN CONNECTIONS Order this document from Analog Marketing Rev. 2.5, 11/2002 44–Lead HSOP DH SUFFIX CASE 1291 44–Lead QFN FC SUFFIX CASE 1310 (BOTTOM VIEW) GND CANTXD CANL CANRXD CANH /PORESET HRT /HRESET /SLEEP /PRERESET N/C N/C CS VDDL_FB DI VDDL_B SCLK VDDL_X DO VDD3_3FB N/C VDD3_3 VREF3 VPP VREF2 VPP_EN VDDH VREF1 VPRE_S WAKEUP VPRE REGON VCOMP VSEN INV VKAM_FB GND VKAM SW2G VIGN BOOT N/C N/C KA_VBAT 1 54–Lead SOICW–EP DWB SUFFIX CASE 1377 SW1 SW1 SW1 SW1 SW1 VBAT VBAT VBAT VBAT VBAT SOICW 1 MOTOROLA ANALOG INTEGRATED CIRCUIT DEVICE DATA Switch Mode Power Supplywith Multiple Linear Regulators and High Speed CAN Transceiver The 33394 is a multi–output power supply integrated circuit with high speed CAN transceiver. The IC incorporates a switching pre–regulator operating over a wide input voltage range from +4.0V to +26.5V (with transients up to 45V). The switching regulator has an internal 3.0A current limit and runs in both buck mode or boost mode to always supply a pre–regulated output followed by Low Drop Out (LDO) regulators: VDDH / 5.0V @ 400mA; VDD3_3 / 3.3V @ 120mA; VDDL / 2.6V (User scalable between 3.3V – 1.25V) @ 400mA typically, using an external NPN pass transistor. The Keep Alive regulator VKAM (scalable) @ 50mA; FLASH memory programming voltage VPP / 5.0V or 3.3V @ 150mA; three sensor supply outputs VREF(1,2,3) / 5.0V (tracking VDDH) @ 100mA each; and a switched battery output (VSEN) to supply 125mA clamped to 17V. Additional features include Active Reset circuitry watching VDDH, VDD3_3, VDDL and VKAM, user selectable Hardware Reset Timer (HRT), Power Sequencing circuitry guarantees the core supply voltages never exceed their limits or polarities during system power up and power down. A high speed CAN transceiver physical layer interfaces between the microcontroller CMOS outputs and differential bus lines. The CAN driver is short circuit protected and tolerant of loss of battery or ground conditions. 33394 is designed specifically to meet the needs of modules, which use the MPC565 microcontroller, though it will also support others from the MPC5XX family of Motorola microcontrollers. Features: • Wide operating input voltage range: +4.0V to +26.5V (+45V transient). • Provides all regulated voltages for MPC5XX MCUs and other ECU’s logic and analog functions. • Accurate power up/down sequencing. • Provides necessary MCU support monitoring and fail–safe support. • Provides three 5.0 V buffer supplies for internal & external (short–circuit protected) sensors. • Includes step–down/step–up switching regulator to provide supply voltages during different battery conditions. • Interfaces Directly to Standard 5.0V I/O for CMOS Microprocessors by means of Serial Peripheral Interface. PIN CONNECTIONS VBAT VBAT KA_VBAT VIGN VKAM SW1 SW1 SW1 BOOT SW2G GND /SLEEP HRT CANH CANL GND CANTXD CANRXD /PORESET /HRESET /PRERESET VDDL_FB 1 VBAT SW1 VBAT SW1 KA_VBAT SW1 VIGN BOOT VKAM SW2G VKAM_FB GND VSEN INV REGON VCOMP WAKEUP VPRE VREF1 VPRE_S VPP_EN VDDH VPP VREF2 VDD3_3 VREF3 VDD3_3FB DO VDDL_X SCLK VDDL_B DI VDDL_FB CS /PRERESET /SLEEP /HRESET HRT /PORESET CANH CANRXD CANL CANTXD GND 1 HSOP QFN TOP VIEW © Motorola, Inc. 2002 This document contains information on a new product. Specifications and information herein are subject to change without notice. Freescale Semiconductor, Inc. For More Information On This Product, Go to: www.freescale.com |
同様の部品番号 - 33394 |
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同様の説明 - 33394 |
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