Datasheet LTC3836 (Analog Devices) - 2
| Hersteller | Analog Devices |
| Beschreibung | Dual 2-Phase, No RSENSE Low VIN Synchronous Controller |
| Seiten / Seite | 30 / 2 — ABSOLUTE MAXIMUM RATINGS (Note 1). PIN CONFIGURATION. ORDER INFORMATION … |
| Dateiformat / Größe | PDF / 474 Kb |
| Dokumentensprache | Englisch |
ABSOLUTE MAXIMUM RATINGS (Note 1). PIN CONFIGURATION. ORDER INFORMATION LEAD FREE FINISH. TAPE AND REEL. PART MARKING
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Textversion des Dokuments
LTC3836
ABSOLUTE MAXIMUM RATINGS (Note 1)
BOOST1, BOOST2 Voltages ... –0.3V to 10V SW1, SW2 Voltages ... –2V to VIN + 1V Input Supply Voltage (VIN) .. –0.3V to 4.5V PGOOD ... –0.3V to 10V PLLLPF, RUN/SS, SYNC/FCB, Operating Temperature Range (Note 2).. –40°C to 85°C SENSE1+, SENSE2+, Storage Temperature Range ... –65°C to 125°C IPRG1, IPRG2 Voltages ..–0.3V to (VIN + 0.3V) Junction Temperature (Note 3) ... 125°C VFB1, VFB2, ITH1, ITH2, TRACK/SS2 Voltages .. –0.3V to 2.4V
PIN CONFIGURATION
TOP VIEW TOP VIEW + SW1 1 28 SENSE1+ N/C 2 27 BOOST1 N/C IPRG1 SW1 SENSE1 BOOST1 PGND IPRG1 3 26 PGND 28 27 26 25 24 23 V 4 25 VFB1 1 22 BG1 FB1 BG1 I 5 24 ITH1 2 21 SYNC/FCB TH1 SYNC/FCB IPRG2 3 20 TG1 IPRG2 6 23 TG1 PLLLPF 4 19 PGND PLLLPF 7 22 PGND 29 SGND 5 18 TG2 SGND 8 21 TG2 V 6 IN 17 RUN/SS V 9 20 IN RUN/SS TRACK/SS2 7 16 N/C TRACK/SS2 10 19 BG2 VFB2 8 15 BG2 V 11 18 FB2 N/C 9 10 11 12 13 14 I 12 17 TH2 PGND + PGOOD 13 16 BOOST2 ITH2 SW2 PGND PGOOD SENSE2 BOOST2 SW2 14 15 SENSE2+ UFD PACKAGE 28-LEAD (4mm GN PACKAGE × 5mm) PLASTIC QFN 28-LEAD PLASTIC SSOP TJMAX = 125°C, θJA = 43°C/W EXPOSED PAD (PIN 29) IS GND, MUST BE SOLDERED TO PCB TJMAX = 125°C, θJA = 90°C/W
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3836EGN#PBF LTC3836EGN#TRPBF LTC3836EGN 28-Lead Plastic SSOP –40°C to 85°C LTC3836EUFD#PBF LTC3836EUFD#TRPBF 3836 28-Lead (4mm × 5mm) Plastic QFN –40°C to 85°C Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. 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/
The ELECTRICAL CHARACTERISTICS
l
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. VIN = 3.3V unless otherwise specifi ed. PARAMETER CONDITIONS MIN TYP MAX UNITS Main Control Loops
Input DC Supply Current (Note 4) Normal Mode RUN/SS = VIN 450 700 μA Shutdown RUN/SS = 0V 6.5 15 μA UVLO VIN = UVLO Threshold –200mV 4 10 μA 3836fb 2 Document Outline FEATURES DESCRIPTION APPLICATIONS TYPICAL APPLICATION ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION ORDER INFORMATION ELECTRICAL CHARACTERISTICS TYPICAL PERFORMANCE CHARACTERISTICS PIN FUNCTIONS FUNCTIONAL DIAGRAM OPERATION APPLICATIONS INFORMATION TYPICAL APPLICATIONS PACKAGE DESCRIPTION REVISION HISTORY RELATED PARTS
ABSOLUTE MAXIMUM RATINGS (Note 1)
BOOST1, BOOST2 Voltages ... –0.3V to 10V SW1, SW2 Voltages ... –2V to VIN + 1V Input Supply Voltage (VIN) .. –0.3V to 4.5V PGOOD ... –0.3V to 10V PLLLPF, RUN/SS, SYNC/FCB, Operating Temperature Range (Note 2).. –40°C to 85°C SENSE1+, SENSE2+, Storage Temperature Range ... –65°C to 125°C IPRG1, IPRG2 Voltages ..–0.3V to (VIN + 0.3V) Junction Temperature (Note 3) ... 125°C VFB1, VFB2, ITH1, ITH2, TRACK/SS2 Voltages .. –0.3V to 2.4V
PIN CONFIGURATION
TOP VIEW TOP VIEW + SW1 1 28 SENSE1+ N/C 2 27 BOOST1 N/C IPRG1 SW1 SENSE1 BOOST1 PGND IPRG1 3 26 PGND 28 27 26 25 24 23 V 4 25 VFB1 1 22 BG1 FB1 BG1 I 5 24 ITH1 2 21 SYNC/FCB TH1 SYNC/FCB IPRG2 3 20 TG1 IPRG2 6 23 TG1 PLLLPF 4 19 PGND PLLLPF 7 22 PGND 29 SGND 5 18 TG2 SGND 8 21 TG2 V 6 IN 17 RUN/SS V 9 20 IN RUN/SS TRACK/SS2 7 16 N/C TRACK/SS2 10 19 BG2 VFB2 8 15 BG2 V 11 18 FB2 N/C 9 10 11 12 13 14 I 12 17 TH2 PGND + PGOOD 13 16 BOOST2 ITH2 SW2 PGND PGOOD SENSE2 BOOST2 SW2 14 15 SENSE2+ UFD PACKAGE 28-LEAD (4mm GN PACKAGE × 5mm) PLASTIC QFN 28-LEAD PLASTIC SSOP TJMAX = 125°C, θJA = 43°C/W EXPOSED PAD (PIN 29) IS GND, MUST BE SOLDERED TO PCB TJMAX = 125°C, θJA = 90°C/W
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3836EGN#PBF LTC3836EGN#TRPBF LTC3836EGN 28-Lead Plastic SSOP –40°C to 85°C LTC3836EUFD#PBF LTC3836EUFD#TRPBF 3836 28-Lead (4mm × 5mm) Plastic QFN –40°C to 85°C Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. 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/
The ELECTRICAL CHARACTERISTICS
l
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. VIN = 3.3V unless otherwise specifi ed. PARAMETER CONDITIONS MIN TYP MAX UNITS Main Control Loops
Input DC Supply Current (Note 4) Normal Mode RUN/SS = VIN 450 700 μA Shutdown RUN/SS = 0V 6.5 15 μA UVLO VIN = UVLO Threshold –200mV 4 10 μA 3836fb 2 Document Outline FEATURES DESCRIPTION APPLICATIONS TYPICAL APPLICATION ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION ORDER INFORMATION ELECTRICAL CHARACTERISTICS TYPICAL PERFORMANCE CHARACTERISTICS PIN FUNCTIONS FUNCTIONAL DIAGRAM OPERATION APPLICATIONS INFORMATION TYPICAL APPLICATIONS PACKAGE DESCRIPTION REVISION HISTORY RELATED PARTS