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LM1770 Scheda tecnica(PDF) 2 Page - Texas Instruments

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Il numero della parte LM1770
Spiegazioni elettronici  Synchronous Buck Controller
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Produttore elettronici  TI1 [Texas Instruments]
Homepage  http://www.ti.com
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HG
1
3
5
4
LG
VIN
FB
2
GND
LM1770
SNVS403C – SEPTEMBER 2005 – REVISED APRIL 2013
www.ti.com
Connection Diagram
Figure 1. 5-Pin SOT-23 (Top View)
See DBV Package
Pin Functions
Table 1. Pin Descriptions
Pin #
Name
Function
1
VIN
Input supply
2
GND
Ground
3
LG
NFET Gate Drive
4
HG
PFET Gate Drive
5
FB
Feedback Pin
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
-0.3V to 6V
Storage Temperature Range
−65°C to 150°C
Junction Temperature
150°C
Lead Temperature (soldering, 10sec)
260°C
ESD Rating
2.5kV
(1)
Absolute Maximum Ratings indicate limits beyond which damage may occur to the device. Operating Ratings indicate conditions for
which the device is intended to be functional, but do not ensure specific performance limits. For ensured specifications, see Electrical
Characteristics.
(2)
If Military/Aerospace specified devices are required, please contact the Texas Instruments Sales Office/ Distributors for availability and
specifications.
Operating Ratings
(1)
VIN to GND
2.8V to 5.5V
Junction Temperature Range (TJ)
−40°C to +125°C
(1)
Absolute Maximum Ratings indicate limits beyond which damage may occur to the device. Operating Ratings indicate conditions for
which the device is intended to be functional, but do not ensure specific performance limits. For ensured specifications, see Electrical
Characteristics.
2
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Copyright © 2005–2013, Texas Instruments Incorporated
Product Folder Links: LM1770


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