NN31000A Regulator Datasheet

NN31000A Datasheet, PDF, Equivalent


Part Number

NN31000A

Description

10A Synchronous DC-DC Step down Regulator

Manufacture

Panasonic

Total Page 30 Pages
Datasheet
Download NN31000A Datasheet


NN31000A
DReovcisNioon. . T1A4-EA-06261
Product Standards
NN31000A
http://www.semicon.panasonic.co.jp/en/
10 A Synchronous DC-DC Step down Regulator,
Power Supply in Package
(VIN = 4.5 V to 28 V, VOUT = 0.6 V to 5.5 V)
FEATURES
DESCRIPTION
High-Speed Response DC-DC Step Down Regulator Circuit
that employs Hysteretic Control System
Built-in inductor and capacitors
Skip (discontinuous) Mode for high efficiency at light load
Maximum Output Current : 10 A
Input Voltage Range : PVIN=AVIN = 4.5 V to 28 V,
Output Voltage Range : 0.6 V to 5.5 V
Selectable Switching Frequency 400 kHz / 600 kHz / 800 kHz
Built-in Feed Back Resistors for 1.0 V / 3.3 V default settings
Configurable output voltage settings using external Resistors
Adjustable Soft Start
Low Operating and Standby Quiescent Current
Open Drain Power Good Indication for Output Over / Under
Voltage
Selectable Auto recovery / latch off protection system
Adjustable current limit threshold
Built-in Under Voltage Lockout (UVLO),
NN31000A is a synchronous DC-DC step down
regulator (1-ch), Power Supply in Package (PSiP), which
integrates a Controller IC that employs a hysteretic
control system, two Power MOSFETs, an Inductor and
Capacitors into a single 8.5 x 7.5 x 4.7mm QFN package.
The easiness of mounting PSiP onto a Printed Circuit
Board (PCB), a very small footprint and a highly reduced
number of external components, offers very compact
and simplified solutions for applications requiring point-
of-load design.
The number of external components have been reduced
to only input/output capacitor, slow start capacitor and
feedback resistors.
Furthermore, for applications requiring an output voltage
of 1.0 V / 3.3 V, the external feedback resistors can be
eliminated, resulting into even a smaller footprint.
The PSiP achieves efficiencies of greater than 95 % with
very good power dissipation capabilities.
Thermal Shut Down (TSD), Under Voltage Detection (UVD), APPLICATIONS
Over Voltage Detection (OVD), Short Circuit Protection (SCP)
Over Current Protection (OCP)
High Current Distributed Power Systems such as
DSP and FPGA Point-of-Load Applications
Plastic Quad Flat Non-leaded Package Heat Slug Down
Routers
(QFN Type, Size : 8.5 mm 7.5 mm, 0.5 mm pitch)
Industrial Equipment
Space constrained Applications etc.
SIMPLIFIED APPLICATION
VREG
100
90
VIN
1k
1.5k
PVIN
AVIN
BST
LX
VFB
EN
PGOOD
PRTCNT
OCPCNT
NN31000A
VREG
MODE
FSEL
VOUTM
VOUT
SS AGND1, 2 PGND
4.7nF
100k
VOUT = 1.0V
#1.0V / 3.3V
without using FB resistor
22µF x 3
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.
80
70
60
50
40
0.01
VOUT=1V, Fsw=400kHz
VOUT=1V, Fsw=600kHz
VOUT=1V, Fsw=800kHz
VOUT=3.3V, Fsw=600kHz
VOUT=3.3V, Fsw=800kHz
0.1 1
Load Current [A]
Condition :
Vin = 12 V, VOUT Setting = 1.0 V / 3.3 V
Switching Frequency = 400 / 600 / 800 kHz, Skip mode
Co = 66 µF ( 22 µF x 3 )
10
Page 1 of 33
Established : 2014-07-03
Revised : ####-##-##

NN31000A
DReovcisNioon. . T1A4-EA-06261
ORDERING INFORMATION
Order Number
NN31000A-BB
Feature
Maximum Output Current : 10 A
Package
57 pin HQFN
Product Standards
NN31000A
Output Supply
Emboss Taping
ABSOLUTE MAXIMUM RATINGS
Parameter
Supply voltage
Operating free-air temperature
Operating junction temperature
Storage temperature
Input Voltage Range
Symbol
VIN
Topr
Tj
Tstg
VMODE,VFSEL,VOUTM,VPRTCNT
VOCPCNT,VFB
VEN
Output Voltage Range
VPGOOD
VLX
ESD
HBM
Rating
30
– 40 to + 85
– 40 to + 150
– 55 to + 150
– 0.3 to (VREG + 0.3)
– 0.3 to 6.0
– 0.3 to (VREG + 0.3)
– 0.3 to (VIN + 0.3)
2
Unit Notes
V *1
C *2
C *2
C *2
V
*1
*3
V *1
V
*1
*3
V
*1
*4
kV —
Notes : This product may sustain permanent damage if subjected to conditions higher than the above stated absolute
maximum rating. This rating is the maximum rating and device operating at this range is not guaranteed as it
is higher than our stated recommended operating range.
When subjected under the absolute maximum rating for a long time, the reliability of the product may be affected.
VIN is voltage for AVIN, PVIN. VIN = AVIN = PVIN.
Do not apply external currents and voltages to any pin not specifically mentioned.
*1 : The values under the condition not exceeding the above absolute maximum ratings and
the power dissipation.
*2 : Except for the power dissipation, operating ambient temperature, and storage temperature,
all ratings are for Ta = 25 C.
*3 :(VREG + 0.3) V must not exceed 6 V.
*4 : (VIN + 0.3) V must not exceed 30 V.
Established : 2014-07-03
Revised : ####-##-##
Page 2 of 33


Features DReovcisNioon. . T1A4-EA-06261 Product Standards NN31000A http://www.semicon .panasonic.co.jp/en/ 10 A Synchronous D C-DC Step down Regulator, Power Supply in Package (VIN = 4.5 V to 28 V, VOUT = 0.6 V to 5.5 V) FEATURES DESCRIPTION  High-Speed Response DC-DC Step Do wn Regulator Circuit that employs Hyste retic Control System  Built-in induc tor and capacitors  Skip (discontinu ous) Mode for high efficiency at light load Maximum Output Current : 10 A  Input Voltage Range : PVIN=AVIN = 4.5 V to 28 V, Output Voltage Range : 0.6 V to 5.5 V Selectable Switching Frequency 400 kHz / 600 kHz / 800 kHz  Built- in Feed Back Resistors for 1.0 V / 3.3 V default settings Configurable output voltage settings using external Resisto rs  Adjustable Soft Start  Low Op erating and Standby Quiescent Current Open Drain Power Good Indication for Output Over / Under Voltage  Select able Auto recovery / latch off protecti on system  Adjustable current limit threshold  Built-in Under Voltage Lockout (.
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