LM3673TLX-ADJ/NOPB National Semiconductor, LM3673TLX-ADJ/NOPB Datasheet - Page 2
![IC CONV DC/DC 350MA ADJ 5USMD](/photos/7/60/76032/tla05cba_sml.jpg)
LM3673TLX-ADJ/NOPB
Manufacturer Part Number
LM3673TLX-ADJ/NOPB
Description
IC CONV DC/DC 350MA ADJ 5USMD
Manufacturer
National Semiconductor
Series
PowerWise®r
Type
Step-Down (Buck)r
Datasheet
1.LM3673TL-1.5NOPB.pdf
(20 pages)
Specifications of LM3673TLX-ADJ/NOPB
Internal Switch(s)
Yes
Synchronous Rectifier
Yes
Number Of Outputs
1
Voltage - Output
1.1 ~ 3.3 V
Current - Output
350mA
Frequency - Switching
2MHz
Voltage - Input
2.7 ~ 5.5 V
Operating Temperature
-30°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
5-MicroSMD
Power - Output
1.18W
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
LM3673TLX-ADJ
www.national.com
Connection Diagram and Package Mark Information
Pin Descriptions (5-Bump MicroSMD)
Pin #
C1
C3
A1
A3
B2
FIGURE 3. 5-Bump MicroSMD Package NS Package Number TLA05CBA
Name
GND
SW
V
EN
FB
IN
FIGURE 2. Typical Application Circuit for ADJ version
Description
Power supply input. Connect to the input filter capacitor (Figure 1).
Ground pin.
Enable pin. The device is in shutdown mode when voltage to this pin is <0.4V and enabled
when >1.0V. Do not leave this pin floating.
Feedback analog input. Connect directly to the output filter capacitor for fixed voltage
versions. For adjustable version external resistor dividers are required (Figure 2). The
internal resistor dividers are disabled for the adjustable version.
Switching node connection to the internal PFET switch and NFET synchronous rectifier.
2
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20183344