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LM2678S-5.0 Arkusz danych(PDF) 2 Page - Texas Instruments

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Numer części LM2678S-5.0
Szczegółowy opis  LM2678 SIMPLE SWITCHER High Efficiency 5A Step-Down Voltage Regulator
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Producent  TI [Texas Instruments]
Strona internetowa  http://www.ti.com
Logo TI - Texas Instruments

LM2678S-5.0 Arkusz danych(HTML) 2 Page - Texas Instruments

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background image
1
2
3
4
7
9
10
VSW
CB
*
VIN
5
6
11
12
13
14
VSW
GND
ON/OFF
*
*
*
FB
8
VIN
VSW
DAP**
* No Connections
** Connect to Pin 9 on PCB
*
LM2678
SNVS029I – MARCH 2000 – REVISED APRIL 2013
www.ti.com
Connection Diagrams
Top View
Top View
Figure 1. DDPAK Package
Figure 2. TO-220 Package
See Package Number KTW0007B
See Package Number NDZ0007B
Top View
Figure 3. VSON-14 Package
See Package Number NHM0014A
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 the 'Switch Voltage to Ground' applies to DC voltage. An extended negative voltage limit of -10V
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: LM2678


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