Datasheet LT3667 (Analog Devices) - 2
| Manufacturer | Analog Devices |
| Description | 40V 400mA Step-Down Switching Regulator with Dual Fault Protected LDOs |
| Pages / Page | 34 / 2 — ABSOLUTE MAXIMUM RATINGS (Notes 1, 2). PIN CONFIGURATION |
| File Format / Size | PDF / 446 Kb |
| Document Language | English |
ABSOLUTE MAXIMUM RATINGS (Notes 1, 2). PIN CONFIGURATION
Model Line for this Datasheet
Text Version of Document
LT3667
ABSOLUTE MAXIMUM RATINGS (Notes 1, 2)
FB2, FB3 Voltage ...±45V RT Voltage ..2V OUT2, OUT3 Voltage ...±45V FB1 Voltage ...6V IN2, IN3 (QFN) Voltage ..±45V EN2/ILIM2, EN3/ILIM3 Voltage ...4V OUT2 – IN2 Differential Voltage ..±45V PG Voltage ..30V OUT3 – IN3/BD Differential Voltage (MSOP)...±45V PG1, PG2, PG3 Voltage (QFN) ...30V OUT3 – IN3 Differential Voltage (QFN) ..±45V SYNC Voltage (QFN) ...6V IN1, EN, UVLO1 (QFN) Voltage (Note 3) ..60V Operating Junction Temperature Range (Notes 4, 5) IN1 Reverse Voltage ...–0.3V E-, I-Grades ... −40°C to 125°C EN Pin Current ...–1mA H-Grades ... −40°C to 150°C IN3/BD (MSOP) Voltage ..30V Storage Temperature Range .. −65°C to 150°C BD (QFN) Voltage ..30V Lead Temperature (Soldering, 10 sec) BOOST Pin Voltage ...50V MSOP Package Only ...300°C BOOST Pin Above SW Pin ...30V
PIN CONFIGURATION
TOP VIEW SW DA NC NC 24 23 22 21 BOOST 1 20 IN1 TOP VIEW SW 1 16 DA SYNC 2 19 UVLO1 BOOST 2 15 IN1 EN 3 18 PG EN 3 14 PG RT 4 17 13 EN3/ILIM3 RT 4 25 17 EN3/ILIM3 IN3/BD 5 GND 12 EN2/ILIM2 GND BD 5 16 EN2/ILIM2 OUT3 6 11 IN2 FB3 7 10 OUT2 IN3 6 15 IN2 FB1 8 9 FB2 OUT3 7 14 OUT2 MSE PACKAGE 16-LEAD PLASTIC MSOP FB3 8 13 FB2 θJA = 40°C/W 9 10 11 12 EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB PG1 FB1 PG2 PG3 UDD PACKAGE 24-LEAD (3mm × 5mm) PLASTIC QFN θJA = 46°C/W EXPOSED PAD (PIN 25) IS GND, MUST BE SOLDERED TO PCB 3667fb 2 For more information www.linear.com/LT3667 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Order Information Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Revision History Typical Application Related Parts
ABSOLUTE MAXIMUM RATINGS (Notes 1, 2)
FB2, FB3 Voltage ...±45V RT Voltage ..2V OUT2, OUT3 Voltage ...±45V FB1 Voltage ...6V IN2, IN3 (QFN) Voltage ..±45V EN2/ILIM2, EN3/ILIM3 Voltage ...4V OUT2 – IN2 Differential Voltage ..±45V PG Voltage ..30V OUT3 – IN3/BD Differential Voltage (MSOP)...±45V PG1, PG2, PG3 Voltage (QFN) ...30V OUT3 – IN3 Differential Voltage (QFN) ..±45V SYNC Voltage (QFN) ...6V IN1, EN, UVLO1 (QFN) Voltage (Note 3) ..60V Operating Junction Temperature Range (Notes 4, 5) IN1 Reverse Voltage ...–0.3V E-, I-Grades ... −40°C to 125°C EN Pin Current ...–1mA H-Grades ... −40°C to 150°C IN3/BD (MSOP) Voltage ..30V Storage Temperature Range .. −65°C to 150°C BD (QFN) Voltage ..30V Lead Temperature (Soldering, 10 sec) BOOST Pin Voltage ...50V MSOP Package Only ...300°C BOOST Pin Above SW Pin ...30V
PIN CONFIGURATION
TOP VIEW SW DA NC NC 24 23 22 21 BOOST 1 20 IN1 TOP VIEW SW 1 16 DA SYNC 2 19 UVLO1 BOOST 2 15 IN1 EN 3 18 PG EN 3 14 PG RT 4 17 13 EN3/ILIM3 RT 4 25 17 EN3/ILIM3 IN3/BD 5 GND 12 EN2/ILIM2 GND BD 5 16 EN2/ILIM2 OUT3 6 11 IN2 FB3 7 10 OUT2 IN3 6 15 IN2 FB1 8 9 FB2 OUT3 7 14 OUT2 MSE PACKAGE 16-LEAD PLASTIC MSOP FB3 8 13 FB2 θJA = 40°C/W 9 10 11 12 EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB PG1 FB1 PG2 PG3 UDD PACKAGE 24-LEAD (3mm × 5mm) PLASTIC QFN θJA = 46°C/W EXPOSED PAD (PIN 25) IS GND, MUST BE SOLDERED TO PCB 3667fb 2 For more information www.linear.com/LT3667 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Order Information Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Revision History Typical Application Related Parts
