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LM10507 データシート(PDF) 1 Page - Texas Instruments

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部品番号 LM10507
部品情報  LM10507 Triple Buck LDO Power Management Unit
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メーカー  TI1 [Texas Instruments]
ホームページ  http://www.ti.com
Logo TI1 - Texas Instruments

LM10507 データシート(HTML) 1 Page - Texas Instruments

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VINB
Cin
2.2uH
SW
FB
Cout
22uF
4.7uF
(x3)
Buck
Vout3
Vout2
Vout1
VINIO
SPI
(x4)
DEV_SLP
ENABLE
RESET
(x3)
PWR_OK
LDO
Power Supply
3.3 / 5V
Cldo
4.7uF
LM10507
Cinio
2.2uF
IO supply
1.75 ± 3.6V
Vldo
(x3)
VIN
Cvin
2.2uF
Product
Folder
Sample &
Buy
Technical
Documents
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Software
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Community
LM10507
SNVS999 – MAY 2014
LM10507 Triple Buck + LDO Power Management Unit
1 Features
2 Applications
Solid-State Drives
1
Three Highly Efficient Programmable Buck
Regulators
3 Description
Integrated FETs with Low RDS-ON
The LM10507 is an advanced PMU containing three
Bucks Operate with their Phases Shifted to
configurable,
high-efficiency
buck
regulators
for
Reduce the Input Current Ripple and Capacitor
supplying variable voltages. The device is ideal for
Size
supporting ASIC and SOC designs for Solid-State
and Flash drives.
Programmable Output Voltage via the SPI
Interface
LM10507
operates
cooperatively
with
ASIC
to
Over and Under-Voltage-Lockout
optimize the supply voltage for low power conditions
and power saving modes via SPI interface. It also
Automatic Internal Soft Start with Power-On
supports a 2.5 V 250 mA LDO.
Reset
Current Overload and Thermal Shutdown
Device Information(1)
Protection
PART NUMBER
PACKAGE
BODY SIZE (NOM)
PFM Mode for High Efficiency at Light Load
LM10507
DSBGA (34)
2.82 mm x 2.82 mm
Conditions
(1) For all available packages, see the orderable addendum at
Low-Dropout Regulator 2.5 V, 250mA
the end of the datasheet.
Hardware ENABLE and PWR_OK Terminal
4 Simplified Schematic
Fast Start-up for All Voltage Rails in about 3.5ms
to PWR_OK
Fast Turn-off / Active Discharge on Regulator
Outputs
Programmable Buck Regulators:
Buck 1: 0.9 - 3.4 V; 1.6A
Buck 2: 0.9 - 3.4 V; 1A
Buck 3: 0.865 - 1.5 V; 1A
±3% Feedback Voltage Accuracy
Up to 95% efficient Buck Regulators
2MHz Switching Frequency for Smaller
Inductor Size
2.8 x 2.8 mm, 0.4 mm pitch, 34-bump µSMD
Package
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.


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