Datasheet LTC7802 (Analog Devices) - 2
| Hersteller | Analog Devices |
| Beschreibung | 40V Low IQ, 3MHz Dual, 2-Phase Synchronous Step-Down Controller with Spread Spectrum |
| Seiten / Seite | 34 / 2 — ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Note 1). ORDER INFORMATION … |
| Dateiformat / Größe | PDF / 3.1 Mb |
| Dokumentensprache | Englisch |
ABSOLUTE MAXIMUM RATINGS. PIN CONFIGURATION. (Note 1). ORDER INFORMATION LEAD FREE FINISH. TAPE AND REEL. PART MARKING*
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LTC7802
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
Input Supply Voltage (VIN) ... –0.3V to 40V TOP VIEW BOOST1, BOOST2 .. –0.3V to 46V Switch Voltage (SW1, SW2) .. –5V to 40V RUN1, RUN2 Voltages .. –0.3V to 40V EXTV V FB1 ITH1 TRACK/SS1 PLLIN/SPREAD PGOOD1 TG1 CC Voltage ... –0.3V to 30V INTV 28 27 26 25 24 23 CC Voltage .. –0.3V to 6V SENSE1+ 1 22 SW1 (BOOST1–SW1), (BOOST2–SW2) .. –0.3V to 6V SENSE1– 2 21 BOOST1 SENSE1+, SENSE1– Voltages .. –0.3V to 40V FREQ 3 20 BG1 SENSE2+, SENSE2– Voltages ... –0.3V to 40V MODE 4 GND 19 VIN 29 TRACK/SS1, V RUN1 5 18 EXTV FB1 Voltages .. –0.3V to 6V CC TRACK/SS2, V RUN2 6 17 INTVCC FB2 Voltages .. –0.3V to 6V MODE, PGOOD1, PGOOD2 Voltages .. –0.3V to 6V SENSE2– 7 16 BG2 SENSE2+ 8 15 BOOST2 PLLIN/SPREAD, FREQ Voltages ... –0.3V to 6V 9 10 11 12 13 14 ITH1, ITH2 Voltages ... –0.3V to 2V V FB2 TG2 BG1, BG2, TG1, TG2 ... (Note 9) ITH2 SW2 PGOOD2 Operating Junction Temperature Range (Notes 2, 8) TRACK/SS2 LTC7802E, LTC7802I ... –40°C to 125°C UFDM PACKAGE 28-LEAD (4mm × 5mm) PLASTIC QFN LTC7802J, LTC7802H .. –40°C to 150°C TJMAX = 150°C, θJA = 43°C/W EXPOSED PAD (PIN 29) IS GND, MUST BE SOLDERED TO PCB Storage Temperature Range .. –65°C to 150°C
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC7802EUFDM#PBF LTC7802EUFDM#TRPBF 7802 28-Lead (4mm × 5mm) Plastic QFN −40°C to 125°C
AUTOMOTIVE PRODUCTS**
LTC7802IUFDM#WPBF LTC7802IUFDM#WTRPBF 7802 28-Lead (4mm × 5mm) Plastic QFN −40°C to 125°C LTC7802JUFDM#WPBF LTC7802JUFDM#WTRPBF 7802 28-Lead (4mm × 5mm) Plastic QFN −40°C to 150°C LTC7802HUFDM#WPBF LTC7802HUFDM#WTRPBF 7802 28-Lead (4mm × 5mm) Plastic QFN −40°C to 150°C Contact the factory for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container. Tape and reel specifications. Some packages are available in 500 unit reels through designated sales channels with #TRMPBF suffix.
**
Versions of this part are available with controlled manufacturing to support the quality and reliability requirements of automotive applications. These models are designated with a #W suffix. Only the automotive grade products shown are available for use in automotive applications. Contact your local Analog Devices account representative for specific product ordering information and to obtain the specific Automotive Reliability reports for these models. Rev. 0 2 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Diagram Operation Applications Information Typical Applications Package Description Typical Application Related Parts
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
Input Supply Voltage (VIN) ... –0.3V to 40V TOP VIEW BOOST1, BOOST2 .. –0.3V to 46V Switch Voltage (SW1, SW2) .. –5V to 40V RUN1, RUN2 Voltages .. –0.3V to 40V EXTV V FB1 ITH1 TRACK/SS1 PLLIN/SPREAD PGOOD1 TG1 CC Voltage ... –0.3V to 30V INTV 28 27 26 25 24 23 CC Voltage .. –0.3V to 6V SENSE1+ 1 22 SW1 (BOOST1–SW1), (BOOST2–SW2) .. –0.3V to 6V SENSE1– 2 21 BOOST1 SENSE1+, SENSE1– Voltages .. –0.3V to 40V FREQ 3 20 BG1 SENSE2+, SENSE2– Voltages ... –0.3V to 40V MODE 4 GND 19 VIN 29 TRACK/SS1, V RUN1 5 18 EXTV FB1 Voltages .. –0.3V to 6V CC TRACK/SS2, V RUN2 6 17 INTVCC FB2 Voltages .. –0.3V to 6V MODE, PGOOD1, PGOOD2 Voltages .. –0.3V to 6V SENSE2– 7 16 BG2 SENSE2+ 8 15 BOOST2 PLLIN/SPREAD, FREQ Voltages ... –0.3V to 6V 9 10 11 12 13 14 ITH1, ITH2 Voltages ... –0.3V to 2V V FB2 TG2 BG1, BG2, TG1, TG2 ... (Note 9) ITH2 SW2 PGOOD2 Operating Junction Temperature Range (Notes 2, 8) TRACK/SS2 LTC7802E, LTC7802I ... –40°C to 125°C UFDM PACKAGE 28-LEAD (4mm × 5mm) PLASTIC QFN LTC7802J, LTC7802H .. –40°C to 150°C TJMAX = 150°C, θJA = 43°C/W EXPOSED PAD (PIN 29) IS GND, MUST BE SOLDERED TO PCB Storage Temperature Range .. –65°C to 150°C
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC7802EUFDM#PBF LTC7802EUFDM#TRPBF 7802 28-Lead (4mm × 5mm) Plastic QFN −40°C to 125°C
AUTOMOTIVE PRODUCTS**
LTC7802IUFDM#WPBF LTC7802IUFDM#WTRPBF 7802 28-Lead (4mm × 5mm) Plastic QFN −40°C to 125°C LTC7802JUFDM#WPBF LTC7802JUFDM#WTRPBF 7802 28-Lead (4mm × 5mm) Plastic QFN −40°C to 150°C LTC7802HUFDM#WPBF LTC7802HUFDM#WTRPBF 7802 28-Lead (4mm × 5mm) Plastic QFN −40°C to 150°C Contact the factory for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container. Tape and reel specifications. Some packages are available in 500 unit reels through designated sales channels with #TRMPBF suffix.
**
Versions of this part are available with controlled manufacturing to support the quality and reliability requirements of automotive applications. These models are designated with a #W suffix. Only the automotive grade products shown are available for use in automotive applications. Contact your local Analog Devices account representative for specific product ordering information and to obtain the specific Automotive Reliability reports for these models. Rev. 0 2 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Diagram Operation Applications Information Typical Applications Package Description Typical Application Related Parts