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NCP339 Datasheet

3A Ultra-Small Controlled Load Switch

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NCP339 pdf
NCP339
3 A Ultra-Small Controlled
Load Switch with
Auto-Discharge Path and
Reverse Current Control
The NCP339 is a very low Ron MOSFET controlled by external
logic pin, allowing optimization of battery life, and portable device
autonomy.
Indeed, due to a current consumption optimization with PMOS
structure, leakage currents are eliminated by isolating connected IC on
the battery when not used.
Reverse blocking control is automatically engage if OUT pin
voltage is higher than IN pin voltage, eliminate leakages current from
OUT to IN.
Proposed in a wide input voltage range from 1.2 V to 5.5 V, in a
small 1 x 1.5 mm WLCSP6, pitch 0.5 mm.
Features
1.2 V 5.5 V Operating Range
19 mW P MOSFET at 4.5 V
DC Current up to 3 A
Soft Start Control
Low Quiescent Current
Reverse Blocking
Active High EN pin
WLCSP6 1 x 1.5 mm
This is a PbFree Device
Typical Applications
Mobile Phones
Tablets
Digital Cameras
GPS
Portable Devices
Computers
http://onsemi.com
WLCSP6, 1.00x1.50
CASE 567FH
MARKING DIAGRAM
XX
AYWG
G
XX = NP or DP
A = Assembly Location
Y = Year
W = Work Week
G = PbFree Package
(*Note: Microdot may be in either location)
PACKAGE PINOUT DIAGRAM
12
A OUT IN
B OUT IN
C GND EN
(Top View)
ORDERING INFORMATION
See detailed ordering, marking and shipping information in the
package dimensions section on page 9 of this data sheet.
© Semiconductor Components Industries, LLC, 2013
November, 2013 Rev. 2
1
Publication Order Number:
NCP339/D


  ON Semiconductor Electronic Components Datasheet  

NCP339 Datasheet

3A Ultra-Small Controlled Load Switch

No Preview Available !

NCP339 pdf
VCC
SMPS
V+
DCDC Converter
or LDO
ENx
NCP339
LS
1 mF
NCP339
A2
B2
C2
ENy
IN OUT
IN OUT
EN
A1
B1
100n
0
Platform IC’n
LS Platform IC’n+1
Figure 1. Typical Application Circuit
Table 1. PIN FUNCTION DESCRIPTION
Pin Name Pin Number
Type
Description
IN
A2, B2
POWER Load-switch input voltage; connect a 1 mF or greater ceramic capacitor from IN to GND
as close as possible to the IC.
GND
C1 POWER Ground connection.
EN
C2
INPUT
Enable input, logic high turns on power switch.
OUT
A1, B1
OUTPUT
Load-switch output; connect a 100 nF ceramic capacitor from OUT to GND as close as
possible to the IC is recommended.
IN: pin A2, B2
EN: C2
Control
logic
Gate driver and soft
start control
EN block
7M
Optional
OUT: pin A1, B1
GND: C1
Figure 2. Block Diagram
http://onsemi.com
2


Part Number NCP339
Description 3A Ultra-Small Controlled Load Switch
Maker ON Semiconductor
Total Page 10 Pages
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