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LED2001 데이터시트(PDF) 6 Page - STMicroelectronics

부품명 LED2001
상세설명  4 A monolithic step-down current source with synchronous rectification
PDF  42 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

LED2001 데이터시트(HTML) 6 Page - STMicroelectronics

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Pin settings
LED2001
6/42
DocID024346 Rev 1
1
Pin settings
1.1
Pin connection
Figure 2. Pin connection (top view)
1.2
Pin description
1
4
5
8
VINA
DIM
FB
PGND
SW
VINSW
NC
NC
VFQFPN8 4x4
HSOP8
DIM
GND
9
2
3
6
7
9
AM12893v1
Table 1. Pin description
Package/pin
Type
Description
VFQFPN8
4x4
HS0P8
1
1
VINA
Analog circuitry power supply connection
22
DIM
Dimming control input. Logic low prevents the switching
activity, logic high enables it. A square wave on this pin
implements LED current PWM dimming. Connect to VINA if
not used (see Section 6.6)
33
FB
Feedback input. Connect a proper sensing resistor to set
the LED current
4
4
AGND
Analog circuitry ground connection
5
-
NC
Not connected
6
6
VINSW
Power input voltage
7
7
SW
Regulator switching pin
8
8
PGND
Power ground
ep
ep
Exposed pad
Connect the exposed pad to AGND



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