LM2674
SNVS007F –SEPTEMBER 1998–REVISED APRIL 2013
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DESCRIPTION (CONTINUED)
Other features include an ensured ±1.5% tolerance on output voltage within specified input voltages and output
load conditions, and ±10% on the oscillator frequency. External shutdown is included, featuring typically 50 μA
stand-by current. The output switch includes current limiting, as well as thermal shutdown for full protection under
fault conditions.
To simplify the LM2674 buck regulator design procedure, there exists computer design software, LM267X Made
Simple (Version 6.0).
Connection Diagrams
1
2
3
16
15
14
13
12
11
10
9
CB
VSW
VSW
VIN
*
*
*
*
*
DAP**
4
5
6
7
8
*
GND
GND
*
*
FB
ON/OFF
* No Connections
**Connect to Pins 11, 12 on PCB
Figure 1. 16-Lead WSON Surface Mount Package
Top View
See Package Drawing Number NHN
Figure 2. SOIC-8/PDIP Package
See Package Drawing Number D0008A/P0008E
Top View
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.
2
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