Datasheet LTC7151S (Analog Devices) - 2
| Fabricante | Analog Devices |
| Descripción | 20V, 15A Synchronous Step-Down Silent Switcher 2 Regulator |
| Páginas / Página | 20 / 2 — ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Note 1). ORDER INFORMATION. … |
| Formato / tamaño de archivo | PDF / 2.8 Mb |
| Idioma del documento | Inglés |
ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Note 1). ORDER INFORMATION. PART MARKING*. PACKAGE. MSL. TEMPERATURE RANGE. PART NUMBER
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LTC7151S
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
PV TOP VIEW IN, SVIN ... –0.3V to 22V RUN Voltage... –0.3V to SVIN MODE/SYNC, TRACK/SS Voltage ...–0.3V to INTV PHMODE RT PGOOD TRACK/SS ITH FB CC 28 27 26 25 24 23 ITH, RT, PGOOD Voltage ... –0.3V to 3.6V CLKOUT 1 22 V – OUT PHMODE, CLK Voltage .. –0.3V to 3.6V RUN 2 21 MODE/SYNC 29 30 V – SV 3 GND GND 20 INTV OUT Voltage ... –0.3V to 0.3V IN CC FB Voltage ... –0.3V to 3.6V PVIN 4 19 PVIN Operating Junction Temperature Range .. 125°C PVIN 5 18 PVIN GND 6 31 32 17 GND Storage Temperature Range .. –65°C to 150°C GND GND GND 7 16 GND Maximum Internal Temperature .. 125°C GND 8 15 GND Peak Reflow Solder Body Temperature ...260°C 9 10 11 12 13 14 SW SW SW SW SW SW LQFN PACKAGE 28-LEAD (5mm × 4mm × 0.74mm) θJA = 31°C/W, θJC(PAD) = 6°C/W, θJC(TOP) = 16°C/W EXPOSED PADS (PINS 29-32) ARE GND, SHOULD BE SOLDERED TO PCB
ORDER INFORMATION PART MARKING* PACKAGE MSL TEMPERATURE RANGE PART NUMBER TAPE AND REEL PAD FINISH DEVICE FINISH CODE TYPE** RATING (SEE NOTE 2)
LTC7151SEV#PBF LTC7151SEV#TRPBF 7151S Au (RoHS) e4 LQFN 3 –40°C to 125°C LTC7151SIV#PBF LTC7151SIV#TRPBF 7151S • Contact the factory for parts specified with wider operating temperature ranges.*Pad finish code is per IPC/JEDEC J-STD-609. *Temperature grades are identified by a label on the shipping container. • Parts ending with PBF are RoHS and WEEE compliant. **The LTC7151S package has the same dimensions as a standard 5mm × 4mm × 0.75mm QFN package.
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the specified operating junction temperature range, otherwise specifications are at TA = 25°C (Note 2). VIN = 12V, unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
SVIN SVIN Operating Voltage l 3.1 20 V PVIN PVIN Operating Voltage 20 V VOUT VOUT Operation Voltage 0.5 5.5 V IQ Input Quiescent Current (Note 3) Active Mode 2 4 mA Shutdown Mode; VRUN = 0V 20 40 µA VFB Feedback Reference Voltage (Note 4) ITH = 1.0V 0.499 0.500 0.501 V ITH = 1.0V, –40°C to 125°C l 0.495 0.500 0.505 V ∆VFB(LINE+LOAD) Feedback Voltage Line and Load Regulation (Note 4) l 0.2 0.5 % IFB Feedback Pin Input Current –50 50 nA gm(EA) Error Amplifier Transconductance ITH = 1.0V 1.0 1.3 1.6 mS tON(MIN) Minimum On-Time l 20 25 ns tOFF(MIN) Minimum Off-Time 50 ns Rev. 0 2 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Typical Applications Package Photo Typical Application Related Parts
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
PV TOP VIEW IN, SVIN ... –0.3V to 22V RUN Voltage... –0.3V to SVIN MODE/SYNC, TRACK/SS Voltage ...–0.3V to INTV PHMODE RT PGOOD TRACK/SS ITH FB CC 28 27 26 25 24 23 ITH, RT, PGOOD Voltage ... –0.3V to 3.6V CLKOUT 1 22 V – OUT PHMODE, CLK Voltage .. –0.3V to 3.6V RUN 2 21 MODE/SYNC 29 30 V – SV 3 GND GND 20 INTV OUT Voltage ... –0.3V to 0.3V IN CC FB Voltage ... –0.3V to 3.6V PVIN 4 19 PVIN Operating Junction Temperature Range .. 125°C PVIN 5 18 PVIN GND 6 31 32 17 GND Storage Temperature Range .. –65°C to 150°C GND GND GND 7 16 GND Maximum Internal Temperature .. 125°C GND 8 15 GND Peak Reflow Solder Body Temperature ...260°C 9 10 11 12 13 14 SW SW SW SW SW SW LQFN PACKAGE 28-LEAD (5mm × 4mm × 0.74mm) θJA = 31°C/W, θJC(PAD) = 6°C/W, θJC(TOP) = 16°C/W EXPOSED PADS (PINS 29-32) ARE GND, SHOULD BE SOLDERED TO PCB
ORDER INFORMATION PART MARKING* PACKAGE MSL TEMPERATURE RANGE PART NUMBER TAPE AND REEL PAD FINISH DEVICE FINISH CODE TYPE** RATING (SEE NOTE 2)
LTC7151SEV#PBF LTC7151SEV#TRPBF 7151S Au (RoHS) e4 LQFN 3 –40°C to 125°C LTC7151SIV#PBF LTC7151SIV#TRPBF 7151S • Contact the factory for parts specified with wider operating temperature ranges.*Pad finish code is per IPC/JEDEC J-STD-609. *Temperature grades are identified by a label on the shipping container. • Parts ending with PBF are RoHS and WEEE compliant. **The LTC7151S package has the same dimensions as a standard 5mm × 4mm × 0.75mm QFN package.
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the specified operating junction temperature range, otherwise specifications are at TA = 25°C (Note 2). VIN = 12V, unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
SVIN SVIN Operating Voltage l 3.1 20 V PVIN PVIN Operating Voltage 20 V VOUT VOUT Operation Voltage 0.5 5.5 V IQ Input Quiescent Current (Note 3) Active Mode 2 4 mA Shutdown Mode; VRUN = 0V 20 40 µA VFB Feedback Reference Voltage (Note 4) ITH = 1.0V 0.499 0.500 0.501 V ITH = 1.0V, –40°C to 125°C l 0.495 0.500 0.505 V ∆VFB(LINE+LOAD) Feedback Voltage Line and Load Regulation (Note 4) l 0.2 0.5 % IFB Feedback Pin Input Current –50 50 nA gm(EA) Error Amplifier Transconductance ITH = 1.0V 1.0 1.3 1.6 mS tON(MIN) Minimum On-Time l 20 25 ns tOFF(MIN) Minimum Off-Time 50 ns Rev. 0 2 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Typical Applications Package Photo Typical Application Related Parts