LT3667H Просмотр технического описания (PDF) - Linear Technology
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LT3667H Datasheet PDF : 34 Pages
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LT3667
ABSOLUTE MAXIMUM RATINGS (Notes 1, 2)
FB2, FB3 Voltage......................................................±45V
OUT2, OUT3 Voltage................................................±45V
IN2, IN3 (QFN) Voltage.............................................±45V
OUT2 – IN2 Differential Voltage...............................±45V
OUT3 – IN3/BD Differential Voltage (MSOP)...........±45V
OUT3 – IN3 Differential Voltage (QFN).....................±45V
IN1, EN, UVLO1 (QFN) Voltage (Note 3).....................60V
IN1 Reverse Voltage................................................–0.3V
EN Pin Current........................................................–1mA
IN3/BD (MSOP) Voltage.............................................30V
BD (QFN) Voltage.......................................................30V
BOOST Pin Voltage....................................................50V
BOOST Pin Above SW Pin..........................................30V
RT Voltage...................................................................2V
FB1 Voltage..................................................................6V
EN2/ILIM2, EN3/ILIM3 Voltage....................................4V
PG Voltage.................................................................30V
PG1, PG2, PG3 Voltage (QFN)....................................30V
SYNC Voltage (QFN)....................................................6V
Operating Junction Temperature Range (Notes 4, 5)
E-, I-Grades........................................ −40°C to 125°C
H-Grades............................................ −40°C to 150°C
Storage Temperature Range................... −65°C to 150°C
Lead Temperature (Soldering, 10 sec)
MSOP Package Only.......................................... 300°C
PIN CONFIGURATION
TOP VIEW
SW 1
16 DA
BOOST 2
15 IN1
EN 3
14 PG
RT 4
17
13 EN3/ILIM3
IN3/BD 5
GND
12 EN2/ILIM2
OUT3 6
11 IN2
FB3 7
10 OUT2
FB1 8
9 FB2
MSE PACKAGE
16-LEAD PLASTIC MSOP
θJA = 40°C/W
EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB
TOP VIEW
BOOST 1
SYNC 2
EN 3
RT 4
BD 5
IN3 6
OUT3 7
FB3 8
24 23 22 21
25
GND
9 10 11 12
20 IN1
19 UVLO1
18 PG
17 EN3/ILIM3
16 EN2/ILIM2
15 IN2
14 OUT2
13 FB2
UDD PACKAGE
24-LEAD (3mm × 5mm) PLASTIC QFN
θJA = 46°C/W
EXPOSED PAD (PIN 25) IS GND, MUST BE SOLDERED TO PCB
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For more information www.linear.com/LT3667
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