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LM2670SDX-3.3 Scheda tecnica(PDF) 2 Page - Texas Instruments

Il numero della parte LM2670SDX-3.3
Spiegazioni elettronici  LM2670 SIMPLE SWITCHER High Efficiency 3A Step-Down Voltage Regulator with Sync
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Produttore elettronici  TI [Texas Instruments]
Homepage  http://www.ti.com
Logo TI - Texas Instruments

LM2670SDX-3.3 Scheda tecnica(HTML) 2 Page - Texas Instruments

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1
2
3
4
7
9
10
VSW
CB
*
VIN
5
6
SYNC
11
12
13
14
VSW
GND
ON/OFF
*
*
*
FB
8
VIN
VSW
DAP**
* No Connections
** Connect to Pin 9 on PCB
LM2670
SNVS036J – APRIL 2000 – REVISED APRIL 2013
www.ti.com
Connection Diagram
Figure 1. DDPAK Package (Top View)
Figure 2. TO-220 Package (Top View)
See Package Number KTW
See Package Number NDZ
Figure 3. VSON-14 Package (Top View)
See Package Number NHM
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)
Input Supply Voltage
45V
ON/OFF Pin Voltage
−0.1V to 6V
Switch Voltage to Ground(3)
−1V to VIN
Boost Pin Voltage
VSW + 8V
Feedback Pin Voltage
−0.3V to 14V
Power Dissipation
Internally Limited
ESD(4)
2 kV
Storage Temperature Range
−65°C to 150°C
Soldering Temperature
Wave
4 sec, 260°C
Infrared
10 sec, 240°C
Vapor Phase
75 sec, 219°C
(1)
Absolute Maximum Ratings are limits beyond which damage to the device may occur. Operating Ratings indicate conditions under
which of the device is ensured. Operating Ratings do not imply ensured performance limits. For ensured performance limits and
associated test condition, see the Electrical Characteristics tables
(2)
If Military/Aerospace specified devices are required, please contact the Texas Instruments Sales Office/Distributors for availability and
specifications.
(3)
The absolute maximum specification of Switch Voltage to Ground applies to DC voltage. An extended negative voltage limit of -8V
applies to a pulse of up to 20 ns, -6V of 60 ns and -3V of up to 100 ns.
(4)
ESD was applied using the human-body model, a 100pF capacitor discharged through a 1.5 k
Ω resistor into each pin.
2
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Copyright © 2000–2013, Texas Instruments Incorporated
Product Folder Links: LM2670


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