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ERJ3EKF1501V Datasheet(PDF) 8 Page - Panasonic Semiconductor

Part # ERJ3EKF1501V
Description  3 A Synchronous DC-DC Step down Regulator
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Manufacturer  PANASONIC [Panasonic Semiconductor]
Direct Link  http://www.panasonic.com/industrial/
Logo PANASONIC - Panasonic Semiconductor

ERJ3EKF1501V Datasheet(HTML) 8 Page - Panasonic Semiconductor

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NN30320A
Page 8 of 32
Product Standards
PIN CONFIGURATION
Top View
Pin No.
Pin name
Type
Description
1
LX
Output
Power MOSFET output pin
An inductor is connected and switching operation is carried out
between V
IN and GND.
Due to high current and large amplitude at this terminal,
the parasitic inductance and impedance of the routing path
can cause an increase in noise and a degradation in the efficiency.
Routing path should be kept as short as possible.
2
3
4
5
6
7
PGND
Ground
Ground pin for Power MOSFET
8
9
10
MODE
Input
Skip (discontinuous) mode / FCCM (Forced Continuous Conduction Mode )
select pin
Skip mode is set at Low level input, FCCM is set at High level input.
11
AGND
Ground
Ground pin
20
12
AVIN
Power supply
Power supply pin
Recommended rise time ( time to reach 90 % of set value ) setting is
greater than or equal to 10 µs and less than or equal to 1 s.
13
FSEL
Input
Frequency selection pin
This is set to 430 kHz at Low level input, 210 kHz at High level input,
and 650 kHz at open.
14
EN
Input
ON / OFF control pin
DC-DC is stopped at Low level input, and it is started at High level input.
PIN FUNCTIONS
Note : Detailed pin descriptions are provided in the OPERATION and APPLICATION INFORMATION section.
MODE
AGND
PGND
AVIN
PGOOD
AGND
BST
PVIN
16
7
10
12
13
18
19
20
24
26
PVIN
25
AGND
27
LX
21
22
23
17 16 15 14
11
8
9
5
4
3
2
Doc No. TA4-EA-06187
Revision. 2
Established : 2013-06-20
Revised
: 2015-02-08


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