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LM3205 Scheda tecnica(PDF) 2 Page - Texas Instruments

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Il numero della parte LM3205
Spiegazioni elettronici  650mA Miniature, Adjustable, Step-Down DC-DC Converter for RF Power Amplifiers
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Produttore elettronici  TI1 [Texas Instruments]
Homepage  http://www.ti.com
Logo TI1 - Texas Instruments

LM3205 Scheda tecnica(HTML) 2 Page - Texas Instruments

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LM3205
Top View
PGND
PGND
SGND
VCON
FB
SW
PVin
PVin
VDD
EN
1
2
3
4
5
10
9
8
7
6
LM3205
Bottom View
PGND
PGND
SGND
VCON
FB
SW
PVin
PVin
VDD
EN
Package Marking
Top View
A1
B1
C1
A3
B3
C3
SW
A2
C2
EN
PGND
SGND
VDD
FB
VCON
PVIN
A3
B3
C3
A1
B1
C1
A2
C2
VCON
SW
PGND
SGND
FB
PVIN
VDD
EN
PIN 1 IDENTIFIER
Top View
Bottom View
Package Mark õ Top View
LM3205
SNVS388D – JULY 2005 – REVISED MAY 2009
www.ti.com
CONNECTION DIAGRAMS
Figure 2. 8–Bump Thin Micro SMD Package, Large Bump NS Package Number TLA08GNA
Figure 3. 10–Pin LLP NS Package Number SDA10A
Table 1. PIN DESCRIPTIONS
Pin #
Name
Description
microSMD
LLP
A1
8, 9
PVIN
Power Supply Voltage Input to the internal PFET switch.
B1
7
VDD
Analog Supply Input.
C1
6
EN
Enable Input. Set this digital input high for normal operation. For shutdown, set low.
C2
4
VCON
Voltage Control Analog input. VCON controls VOUT in PWM mode.
C3
5
FB
Feedback Analog Input. Connect to the output at the output filter capacitor.
B3
3
SGND
Analog and Control Ground
A3
1, 2
PGND
Power Ground
A2
10
SW
Switch node connection to the internal PFET switch and NFET synchronous rectifier.
Connect to an inductor with a saturation current rating that exceeds the maximum Switch Peak
Current Limit specification of the LM3205.
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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Copyright © 2005–2009, Texas Instruments Incorporated
Product Folder Links: LM3205


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