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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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BD3522EFV-E2 데이터시트(PDF) 1 Page - Rohm |
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BD3522EFV-E2 데이터시트(HTML) 1 Page - Rohm |
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1 / 27 page  ○Product structure：Silicon monolithic integrated circuit ○This product has no designed protection against radioactive rays 1/23 © 2015 ROHM Co., Ltd. All rights reserved. www.rohm.com TSZ22111・14・001 TSZ02201-0J2J0A601000-1-2 02.Nov.2015 Rev.001 0. 7V to VCC-1V, 4A 1ch Ultra Low Dropout Linear Regulator BD3522EFV General Description BD3522EFV is an ultra low-dropout linear chipset regulator that operates from a very low input supply. It offers ideal performance in low input voltage to low output voltage applications. The input-to-output voltage difference is minimized by using a built-in N-Channel power MOSFET with a maximum ON-Resistance of RON =50m Ω(Max). By lowering the dropout voltage, the regulator achieves high output current of up to (IOUTMAX=4.0A), thereby, reducing conversion loss, making it comparable to a switching regulator and its power transistor, choke coil, and rectifier diode constituents. BD3522EFV is a low-cost design and is available in significantly downsized package profiles. The external resistor allows the entire range of output voltage configurations between 0.65V and 2.7V, while the NRCS (soft start) function enables a controlled output voltage ramp-up, which can be programmed to a required power supply sequence. Features Internal High-Precision Reference Voltage Circuit (0.65V±1%) Built-in VCC Undervoltage Lockout Circuit (VCC=3.80V) NRCS (Soft start) Function Reduces the Magnitude of In-rush Current Internal N-Channel MOSFET Driver Offers Low ON-Resistance Built-in Short Circuit Protection (SCP) Built-in Current Limit Circuit (4.0A min) Built-in Thermal Shutdown (TSD) Circuit Tracking Function Key Specifications IN Input Voltage Range: 0.7V to VCC-1V VCC Input Voltage Range: 4.3V to 5.5V Output voltage range: 0.65V to 2.7V Output Current: 4.0A (Max) ON-Resistance: 28m Ω(Typ) Standby Current: 0µA (Typ) Operating Temperature Range: -10°C to +100°C Package W(Typ) x D(Typ) x H(Max) Applications Notebook computers, Desktop computers, LCD-TV, DVD, Digital appliances Typical Application Circuit and Block Diagram HTSSOP-B20 6.50mm x 6.40mm x 1.00mm Reference Block VIN UVLOLATCH Current Limit EN VCC VCC VCC VCC EN UVLO1 UVLO2 VREF GND CL UVLO1 UVLO2 TSD SCP EN UVLO1 CL VCC VREF ×0.7 SCP NRCS 11 12 13 8 10 NRCS TSD NRCS×0.3 VREF×0.4 FB SCP/TSD LATCH LATCH EN UVLO1 EN/UVLO NRCS VD IN OUT FB IN OUT R2 R1 R2 R1 7 6 5 4 3 2 1 20 19 18 17 16 15 14 C1 C2 C3 CNRCS CSCP 9 CFB Datasheet Datasheet |
유사한 부품 번호 - BD3522EFV-E2 |
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유사한 설명 - BD3522EFV-E2 |
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