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LM3754 датащи(PDF) 4 Page - Texas Instruments

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номер детали LM3754
подробное описание детали  Scalable 2-Phase Synchronous Buck Controller with Integrated FET Drivers and Linear Regulator Controller
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производитель  TI [Texas Instruments]
домашняя страница  http://www.ti.com
Logo TI - Texas Instruments

LM3754 датащи(HTML) 4 Page - Texas Instruments

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LM3754
SNVS789B – JANUARY 2012 – REVISED APRIL 2013
www.ti.com
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
Absolute Maximum Ratings
(1) (2)
VIN to SGND, PGND
−0.3V to 24V
SGND to PGND
−0.3V to 0.3V
VCC and VDD to VIN
+0.3V
VDD to PGND
−0.3V to 6V
PGOOD, FAULT to SGND
−0.3V to 6V
VCC, EN, SS, SYNC, CS1, CS2, CSM, ILIM, SNSM, SNSP to SGND
−0.3V to 6V
FREQ, PH, FB to SGND
−0.3 to VCC + 0.3V
BOOT1, BOOT2 to PGND(3)
−0.3V to 24V Peak
SW1, SW2 to PGND(3)
−0.3VDC to 24V Peak
−3V for less than 40 ns
BOOT1 to SW1,
−0.3V to 6.0V Peak
BOOT2 to SW2(3)
SYNCOUT
±20 mA
PGOOD, FAULT
±20 mA
VDIF
±5 mA
COMP
±4 mA
ESD Rating, HBM(4)
2 kV
Junction Temperature (TJ-MAX)
+150°C
Storage Temperature Range
−65°C to +150°C
(1)
Absolute Maximum Ratings indicate limits beyond which damage to the device may occur, including inoperability and degradation of
device reliability and/or performance. Functional operation of the device and/or non-degradation at the Absolute Maximum Ratings or
other conditions beyond those indicated in the Recommended Operating Conditions is not implied. Operating Range conditions indicate
the conditions at which the device is functional and the device should not be operated beyond such conditions. For ensured
specifications and conditions, see the Electrical Characteristics table.
(2)
If Military/Aerospace specified devices are required, please contact the Texas Instruments Sales Office/Distributors for availability and
specifications.
(3)
Peak is the dc plus transient voltage including switching spikes.
(4)
Human Body Model (HBM) is a 100 pF capacitor discharged through a 1.5 k
Ω resistor into each pin. Applicable standard is JESD22-
A114C. All pins pass 2 kV HBM except VDD, VIN and VCC which are rated for 1.5 kV.
Operating Ratings
(1)
VIN Low Range
4.5V to 5.5V
VIN High Range when using integrated VCC LDO
5.5V to 18V
VIN High Range when using integrated VDD linear regulator controller
6V to 18V
VCC External Supply Voltage
4.5V to 5.5V
VDD External Supply Voltage
4.5V to 5.5V
Output Voltage Range
0.6V to 3.6V
SYNC, EN
0V to 5.5V
SNSM
−0.25V to 1.0V
SNSP to SNSM
0V to 3.6V
IAVE
0V to 1.15V
CS1 and CS2 to CSM
−15 mV to 45 mV
CS1, CS2, ILIM and CSM to SGND
0V to 3.6V
ILIM to CSM
0V to 200 mV
Junction Temperature Range
−5°C to +125°C
(1)
Absolute Maximum Ratings indicate limits beyond which damage to the device may occur, including inoperability and degradation of
device reliability and/or performance. Functional operation of the device and/or non-degradation at the Absolute Maximum Ratings or
other conditions beyond those indicated in the Recommended Operating Conditions is not implied. Operating Range conditions indicate
the conditions at which the device is functional and the device should not be operated beyond such conditions. For ensured
specifications and conditions, see the Electrical Characteristics table.
4
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