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SC410AMLTRT

Description
2A EcoSpeed Step-Down Regulator with LDO and Power Save
CategoryPower/power management    The power supply circuit   
File Size743KB,26 Pages
ManufacturerSEMTECH
Websitehttp://www.semtech.com
Environmental Compliance
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SC410AMLTRT Overview

2A EcoSpeed Step-Down Regulator with LDO and Power Save

SC410AMLTRT Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
MakerSEMTECH
Parts packaging codeSOIC
package instructionHVSON, SOLCC10,.12,20
Contacts10
Reach Compliance Codecompli
ECCN codeEAR99
Other featuresALSO OPERATES IN ADJUSTABLE MODE FROM 0.75 TO 7.5V
Analog Integrated Circuits - Other TypesSWITCHING REGULATOR
control modeVOLTAGE-MODE
Control TechnologyPULSE WIDTH MODULATION
Maximum input voltage24 V
Minimum input voltage7 V
Nominal input voltage12 V
JESD-30 codeS-PDSO-N10
length3 mm
Humidity sensitivity level1
Number of functions1
Number of terminals10
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Maximum output current5 A
Package body materialPLASTIC/EPOXY
encapsulated codeHVSON
Encapsulate equivalent codeSOLCC10,.12,20
Package shapeSQUARE
Package formSMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)260
Certification statusNot Qualified
Maximum seat height1 mm
surface mountYES
Switch configurationBUCK
Maximum switching frequency1000 kHz
Temperature levelINDUSTRIAL
Terminal formNO LEAD
Terminal pitch0.5 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
width3 mm
2A EcoSpeed
®
Step-Down Regulator
with LDO and Power Save
POWER MANAGEMENT
Features
SC410A
Description
The SC410A is an integrated, synchronous 2A EcoSpeed
®
step-down regulator. It incorporates Semtech’s advanced,
patented adaptive on-time architecture to achieve best-
in-class dynamic performance using point-of-load appli-
cations. The input voltage range is 7V to 24V with a
programmable output voltage from 0.75V up to 7.5V. The
device features an internal LDO and PSAVE mode for high
efficiency across the output load range.
Adaptive on-time control provides programmable
pseudo-fixed frequency operation in continuous conduc-
tion and excellent transient performance. The switching
frequency can be set from 200kHz to 1MHz, allowing the
designer to reduce external LC filtering and minimize light
load (standby) losses.
Additional features include cycle-by-cycle current limit,
soft start, output OV protection and over temperature
protection. The open-drain PGOOD pin provides output
status.
The device is available in a low profile, thermally enhanced
MLPD 3 x 3(mm) 10-pin package.
Input voltage — 7V to 24V
Output voltage — 0.75V to 7.5V
Output current — Up to 2A
Internal reference — + 1%
Small ceramic capacitors
Power good pin (open-drain)
Adaptive on-time control:
Excellent transient response
Programmable pseudo-fixed frequency during
CCM
Fault protection features (automatic fault recovery):
Cycle-by-cycle current limit
Short circuit protection
Over and under output voltage protection
Over-temperature
Internal soft-start
Power save and smart PSAVE
Internal LDO for bias voltage
Ultra-small lead-free 3 x 3(mm), 10-Pin MLPD package
WEEE and RoHS compliant and halogen-free
Applications
Networking Equipment, Embedded Systems
Medical Equipment, Office Automation
Instrumentation, Portable Systems
Consumer Devices such as DTV and Set-top Boxes
POL Converters
Typical Application Circuit
Enable
V
IN
EN
VIN
TON
C
IN
R
TON
LDO
C
LDO1
AGND
FB
PGND
R
BOT
SC410A
PGOOD
BST
LX
C
BST
PGOOD
L1
C
OUT
R
TOP
V
OUT
C
LDO2
Rev. 1.0
© 2011 Semtech Corporation
1

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