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LM3671MF-1.6 数据表(PDF) 3 Page - Texas Instruments

部件名 LM3671MF-1.6
功能描述  LM3671, LM3671Q 2MHz, 600mA Step-Down DC-DC Converter
Download  38 Pages
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制造商  TI1 [Texas Instruments]
网页  http://www.ti.com
标志 TI1 - Texas Instruments

LM3671MF-1.6 数据表(HTML) 3 Page - Texas Instruments

  LM3671MF-1.6 Datasheet HTML 1Page - Texas Instruments LM3671MF-1.6 Datasheet HTML 2Page - Texas Instruments LM3671MF-1.6 Datasheet HTML 3Page - Texas Instruments LM3671MF-1.6 Datasheet HTML 4Page - Texas Instruments LM3671MF-1.6 Datasheet HTML 5Page - Texas Instruments LM3671MF-1.6 Datasheet HTML 6Page - Texas Instruments LM3671MF-1.6 Datasheet HTML 7Page - Texas Instruments LM3671MF-1.6 Datasheet HTML 8Page - Texas Instruments LM3671MF-1.6 Datasheet HTML 9Page - Texas Instruments Next Button
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1
3
4
6
En
Pgnd
Vin
2
5
Sw
Sgnd
Fb
TOP VIEW
LM3671
LM3671Q
www.ti.com
SNVS294Q – NOVEMBER 2004 – REVISED NOVEMBER 2013
Figure 5. 6-Pin USON Package
See Package Number NKH0006B (2 mm x 2 mm x 0.6 mm)
PIN DESCRIPTIONS (SOT-23)
Pin #
Name
Description
1
VIN
Power supply input. Connect to the input filter capacitor (Figure 1).
2
GND
Ground pin.
3
EN
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.
4
FB
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.
5
SW
Switching node connection to the internal PFET switch and NFET synchronous rectifier.
PIN DESCRIPTIONS (5-Bump DSBGA)
Pin #
Name
Description
A1
VIN
Power supply input. Connect to the input filter capacitor (Figure 1).
A3
GND
Ground pin.
C1
EN
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.
C3
FB
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.
B2
SW
Switching node connection to the internal PFET switch and NFET synchronous rectifier.
PIN DESCRIPTIONS (6-Pin USON)
Pin #
Name
Description
1
EN
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.
2
Pgnd
Ground pin.
3
VIN
Power supply input. Connect to the input filter capacitor (Figure 1).
4
SW
Switching node connection to the internal PFET switch and NFET synchronous rectifier.
5
Sgnd
Singnal ground (feedback ground).
6
FB
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.
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.
Copyright © 2004–2013, Texas Instruments Incorporated
Submit Documentation Feedback
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Product Folder Links: LM3671 LM3671Q


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