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ETQP3W1R0WFN Datasheet(PDF) 1 Page - Panasonic Semiconductor

Part # ETQP3W1R0WFN
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

ETQP3W1R0WFN Datasheet(HTML) 1 Page - Panasonic Semiconductor

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NN30320A
Page 1 of 32
Product Standards
3 A Synchronous DC-DC Step down Regulator
(V
IN = 4.5 V to 28 V, VOUT = 0.75 V to 5.5 V)
 High-Speed Response DC-DC Step Down Regulator
Circuit that employs Hysteretic Control System
 Two 20 m
 (Typ) MOSFETs
for High Efficiency at 3 A
 Skip (discontinuous) mode for Light Load Efficiency
 Maximum Output Current : 3 A
 Input Voltage Range : AV
IN = 4.5 V to 28 V,
PV
IN = 4.5 V to 28 V
 Output Voltage Range : 0.75 V to 5.5 V
 Selectable Switching Frequency
: 210 kHz, 430 kHz, 650 kHz
 Adjustable Soft Start
 Low Operating and Standby Quiescent Current
 Power Good Indication for Output Over and
Under Voltage
 Built-in Under Voltage Lockout (UVLO),
Thermal Shut Down (TSD),
Over Voltage Detection (OVD),
Under Voltage Detection (UVD),
Over Current Protection (OCP),
Short Circuit Protection (SCP)
 24 pin Plastic Quad Flat Non-leaded Package Heat
Slug Down (QFN Type)
(Size : 4 mm
 4 mm  0.7 mm, 0.5 mm pitch)
FEATURES
DESCRIPTION
NN30320A is a synchronous DC-DC Step down
Regulator (1-ch) comprising of a Controller IC and two
power MOSFETs and employs the hysteretic control
system.
By this system, when load current changes suddenly,
it responds at high speed and minimizes the changes
of output voltage.
Since it is possible to use capacitors with small
capacitance and it is unnecessary to add external parts
for system phase compensation, this IC realizes
downsizing of set and reducing in the number of
external parts. Output voltage is adjustable by user.
Maximum current is 3 A.
High Current Distributed Power Systems such as
・HDDs (Hard Disk Drives)
・SSDs (Solid State Drives)
・PCs
・Game consoles
・Servers
・Security Cameras
・Network TVs
・Home Appliances
・OA Equipment
etc.
APPLICATIONS
APPLICATION CIRCUIT EXAMPLE
EFFICIENCY CURVE
Note : The application circuit is an example. The operation of
the mass production set is not guaranteed. Sufficient
evaluation and verification is required in the design of
the mass production set. The Customer is fully
responsible for the incorporation of the above
illustrated application circuit in the design of the
equipment.
http://www.semicon.panasonic.co.jp/en/
VFB
VREG
EN
PGOOD
BST
LX
PGND
AGND
SS
AVIN
PVIN
VREG
AVIN
NN30320A
PVIN
VOUT
V
OUT = 1.2 V
1 µH
100 k
22 µF
 2
0.1 µF
1.5 k
1.5 k
1 µF
10 nF
Condition :
V
IN = 12 V, VOUT Setting = 1.05 V, 1.2 V, 1.8 V, 3.3 V, 5.0 V,
Switching Frequency = 650 kHz, FCCM / Skip mode,
L
O = 1 µH, CO = 44 µF (22 µF  2)
Doc No. TA4-EA-06187
Revision. 2
Established : 2013-06-20
Revised
: 2015-02-08


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