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ELM612DA Datasheet(PDF) 2 Page - ELM Electronics

Part # ELM612DA
Description  3A 36V PWM step down DC/DC converter
PDF  8 Pages
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Manufacturer  ELM [ELM Electronics]
Direct Link  http://www.elmelectronics.com
Logo ELM - ELM Electronics

ELM612DA Datasheet(HTML) 2 Page - ELM Electronics

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2
Rev.1.1
8 -
SOP-8(TOP VIEW)
4
3
2
1
5
6
7
8
■Pin configuration
Pin No.
Pin name
Pin description
1
FB
Feedback(0.82V operation)
2
EN
Enable / Disable
H: Normal operation mode.(Step-down operation)
L: Shutdown mode.(All circuits deactivated)
3
VC
Add an external capacitor to VIN.
The voltage is set to Vin -7V
4
VIN
IC power supply
5, 6
SW
Switch. Connect external inductor/diode to here.
Minimize trace area at this pin to reduce EMI.
7, 8
GND
GND
■Standard circuit
VIN
SW
FB
EN
VC
R1
GND
Cc=
0.1µF/16V
L=47µH
ELM612DA
R2
+
-
Cin=330µF/50V
24V
Cout=
330µF/16V
D=5A/40V
Vout
* Taping direction is one way.
ELM612DA-N
Symbol
a
Package
D: SOP-8
b
Product version
A
c
Taping direction
N: Refer to PKG file
ELM612DA - N
↑ ↑ ↑
a b c
■Selection guide
Vout=Vfb(1+R1/R2)
ELM612DA 3A 36V PWM step down DC/DC converter



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