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GRM188R72A104KA35L Datasheet(PDF) 1 Page - Panasonic Semiconductor

Part # GRM188R72A104KA35L
Description  10 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

GRM188R72A104KA35L Datasheet(HTML) 1 Page - Panasonic Semiconductor

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NN30332A
Page 1 of 42
Product Standards
High-Speed Response DC-DC Step Down Regulator
Circuit that employs Hysteretic Control System
Hi-side 20 m
 (Typ), Low-side 6 m (Typ) MOSFETs
for High efficiency at 10 A
Low Power Mode (discontinuous) for Light Load Efficiency
Maximum Output Current : 10 A
Input Voltage Range : AVIN = 4.5 V to 24 V,
PVIN = 4.5 V to 24 V,
V5 = 4.5 V to 5.5 V
Output Voltage Range : 0.75 V to 3.6 V
Selectable Switching Frequency 430 kHz / 630 kHz
Built-in Feed Back Resistors for 1.2 V / 1.05 V Output
Voltage (Also configurable using External Resistors)
Adjustable Soft Start
Selectable Low Operating and Standby Quiescent
Current to achieve light load efficiency
Open Drain Power Good Indication for Output Over /
Under Voltage
Built-in Under Voltage Lockout (UVLO),
Thermal Shut Down (TSD), Under Voltage Detection (UVD),
Over Voltage Detection (OVD), Short Circuit Protection (SCP)
Over Current Protection (OCP),
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)
High Current Distributed Power Systems such as
PCs
HDDs (Hard Disk Drives)
SSDs (Solid State Drives)
Game consoles
Servers
Security Cameras
Network TVs
Home Appliances
OA Equipment etc.
APPLICATIONS
NN30332A 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 10 A.
Condition :
VIN = 12 V, VOUT Setting = 1.05 V,
Switching Frequency = 430 kHz, Low Power Mode / Normal Mode,
LO = 1 µH, CO = 88 µF (22 µF x 4) #Including V5 current
VFB
V5
EN
PGOOD
BST
LX
PGND
AGND
SS
AVIN
PVIN
V5
AVIN
NN30332A
PVIN
VOUT
VOUT = 1.05 V
1 µH
100 k
22 µF
 4
0.1 µF
27 k
36 k
3.3 nF
V5
10 A Synchronous DC-DC Step down Regulator
with low quiescent power mode
(VIN = 4.5 V to 24 V, VOUT = 0.75 V to 3.6 V)
http://www.semicon.panasonic.co.jp/en/
SIMPLIFIED APPLICATION
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.
FEATURES
DESCRIPTION
Doc No. TA4-EA-06197
Revision. 3
Established : 2013-07-29
Revised
: 2014-02-18


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