Datasheet LTC3542 (Analog Devices) - 2
| Fabricante | Analog Devices |
| Descripción | 500mA, 2.25MHz Synchronous Step-Down DC/DC Converter |
| Páginas / Página | 16 / 2 — ABSOLUTE MAXIMUM RATINGS (Note 1). PIN CONFIGURATION. ORDER INFORMATION. … |
| Formato / tamaño de archivo | PDF / 222 Kb |
| Idioma del documento | Inglés |
ABSOLUTE MAXIMUM RATINGS (Note 1). PIN CONFIGURATION. ORDER INFORMATION. LEAD FREE FINISH. TAPE AND REEL. PART MARKING*
Línea de modelo para esta hoja de datos
Versión de texto del documento
LTC3542
ABSOLUTE MAXIMUM RATINGS (Note 1)
Input Supply Voltage (VIN) ... –0.3V to 6V Junction Temperature (Note 7) ... 125°C VFB, RUN Voltages ...–0.3V to VIN Storage Temperature Range ... –65°C to 150°C MODE Voltage ..–0.3V to (VIN + 0.3V) Lead Temperature (Soldering, 10 sec) SW Voltage ..–0.3V to (VIN + 0.3V) TSOT-23 .. 300°C Operating Temperature Range (Note 2) Refl ow Peak Body Temperature (DFN) .. 260°C LTC3542E .. –40°C to 85°C LTC3542I ... –40°C to 125°C
PIN CONFIGURATION
TOP VIEW TOP VIEW V 1 6 RUN FB V 6 SW MODE/ IN 1 VIN 2 7 5 SYNC GND 2 5 MODE/SYNC GND 3 4 SW VFB 3 4 RUN DC PACKAGE S6 PACKAGE 6-LEAD (2mm × 2mm) PLASTIC DFN 6-LEAD PLASTIC TSOT-23 T TJMAX = 125°C, θJA = 215°C/W JMAX = 125°C, θJA = 102°C/W, θJC = 20°C/W (SOLDERED TO A 4-LAYER BOARD, NOTE 3) EXPOSED PAD (PIN 7) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3542EDC#PBF LTC3542EDC#TRPBF LCFR 6-Lead (2mm × 2mm) Plastic DFN –40°C to 85°C LTC3542IDC#PBF LTC3542IDC#TRPBF LCFR 6-Lead (2mm × 2mm) Plastic DFN –40°C to 125°C LTC3542ES6#PBF LTC3542ES6#TRPBF LCFS 6-Lead Plastic TSOT-23 –40°C to 85°C LTC3542IS6#PBF LTC3542IS6#TRPBF LCFS 6-Lead Plastic TSOT-23 –40°C to 125°C Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. *The temperature grade is identifi ed by a label on the shipping container. Consult LTC Marketing for information on non-standard lead based fi nish parts. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifi cations, go to: http://www.linear.com/tapeandreel/
ELECTRICAL CHARACTERISTICS The
●
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. VIN = 3.6V unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VIN Operating Voltage Range ● 2.5 5.5 V IFB Feedback Input Current ±30 nA VFB Feedback Voltage (Note 4) ● 0.588 0.6 0.612 V ΔVLINE_REG Reference Voltage Line Regulation (Note 4) VIN = 2.5V to 5.5V 0.04 0.2 %/V ΔVLOAD_REG Output Voltage Load Regulation (Note 4) ILOAD = 100mA to 500mA 0.02 0.2 % 3542fa 2
ABSOLUTE MAXIMUM RATINGS (Note 1)
Input Supply Voltage (VIN) ... –0.3V to 6V Junction Temperature (Note 7) ... 125°C VFB, RUN Voltages ...–0.3V to VIN Storage Temperature Range ... –65°C to 150°C MODE Voltage ..–0.3V to (VIN + 0.3V) Lead Temperature (Soldering, 10 sec) SW Voltage ..–0.3V to (VIN + 0.3V) TSOT-23 .. 300°C Operating Temperature Range (Note 2) Refl ow Peak Body Temperature (DFN) .. 260°C LTC3542E .. –40°C to 85°C LTC3542I ... –40°C to 125°C
PIN CONFIGURATION
TOP VIEW TOP VIEW V 1 6 RUN FB V 6 SW MODE/ IN 1 VIN 2 7 5 SYNC GND 2 5 MODE/SYNC GND 3 4 SW VFB 3 4 RUN DC PACKAGE S6 PACKAGE 6-LEAD (2mm × 2mm) PLASTIC DFN 6-LEAD PLASTIC TSOT-23 T TJMAX = 125°C, θJA = 215°C/W JMAX = 125°C, θJA = 102°C/W, θJC = 20°C/W (SOLDERED TO A 4-LAYER BOARD, NOTE 3) EXPOSED PAD (PIN 7) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3542EDC#PBF LTC3542EDC#TRPBF LCFR 6-Lead (2mm × 2mm) Plastic DFN –40°C to 85°C LTC3542IDC#PBF LTC3542IDC#TRPBF LCFR 6-Lead (2mm × 2mm) Plastic DFN –40°C to 125°C LTC3542ES6#PBF LTC3542ES6#TRPBF LCFS 6-Lead Plastic TSOT-23 –40°C to 85°C LTC3542IS6#PBF LTC3542IS6#TRPBF LCFS 6-Lead Plastic TSOT-23 –40°C to 125°C Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. *The temperature grade is identifi ed by a label on the shipping container. Consult LTC Marketing for information on non-standard lead based fi nish parts. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifi cations, go to: http://www.linear.com/tapeandreel/
ELECTRICAL CHARACTERISTICS The
●
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. VIN = 3.6V unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VIN Operating Voltage Range ● 2.5 5.5 V IFB Feedback Input Current ±30 nA VFB Feedback Voltage (Note 4) ● 0.588 0.6 0.612 V ΔVLINE_REG Reference Voltage Line Regulation (Note 4) VIN = 2.5V to 5.5V 0.04 0.2 %/V ΔVLOAD_REG Output Voltage Load Regulation (Note 4) ILOAD = 100mA to 500mA 0.02 0.2 % 3542fa 2