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ISL9110

Description
2.8 A SWITCHING REGULATOR, 2750 kHz SWITCHING FREQ-MAX, PDSO12
Categorysemiconductor    Analog mixed-signal IC   
File Size896KB,20 Pages
ManufacturerIntersil ( Renesas )
Websitehttp://www.intersil.com/cda/home/
Download Datasheet Parametric Compare View All

ISL9110 Overview

2.8 A SWITCHING REGULATOR, 2750 kHz SWITCHING FREQ-MAX, PDSO12

ISL9110 Parametric

Parameter NameAttribute value
Rated input voltage3.6 V
Number of functions1
Number of terminals12
Minimum operating temperature-40 Cel
Maximum operating temperature85 Cel
Processing package description3 X 3 MM, 0.40 MM PITCH, ROHS COMPLIANT, PLASTIC, TDFN-12
stateActive
Analog IC other typesSWITCHING REGULATOR
control modeVOLTAGE-MODE
Control TechnologyPULSE WIDTH MODULATION
Minimum input voltage1.8 V
Maximum input voltage5.5 V
jesd_30_codeS-PDSO-N12
jesd_609_codee3
Maximum output current2.8 A
Packaging MaterialsPLASTIC/EPOXY
ckage_codeHVSON
ckage_equivalence_codeSOLCC12,.12,16
packaging shapeSQUARE
Package SizeSMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
qualification_statusCOMMERCIAL
seated_height_max0.8000 mm
sub_categorySwitching Regulator or Controllers
surface mountYES
Switch configurationBUCK-BOOST
Maximum switching frequency2750 kHz
Temperature levelINDUSTRIAL
terminal coatingMATTE TIN
Terminal formNO LEAD
Terminal spacing0.4000 mm
Terminal locationDUAL
length3 mm
width3 mm
dditional_featureALSO HAS A CONTROL TECHNIQUE OF PFM, OPERATES IN ADJUSTABLE MODE FROM 1 TO 5.2V
1.2A High Efficiency Buck-Boost Regulators
ISL9110, ISL9112
The ISL9110 and ISL9112 are highly-integrated Buck-Boost
switching regulators that accept input voltages either above or
below the regulated output voltage. Unlike other Buck-Boost
regulators, these regulators automatically transition between
operating modes without significant output disturbance.
Both parts are capable of delivering up to 1.2A output current,
and provide excellent efficiency due to their fully synchronous
4-switch architecture. No-load quiescent current of only 35µA
also optimizes efficiency under light-load conditions. Forced
PWM and/or synchronization to an external clock may also be
selected for noise sensitive applications.
The ISL9110 is designed for standalone applications and
supports 3.3V and 5V fixed output voltages or variable output
voltages with an external resistor divider. Output voltages as low
as 1V, or as high as 5.2V are supported using an external resistor
divider.
The ISL9112 supports a broader set of programmable features
that may be accessed via an I
2
C bus interface. With a
programmable output voltage range of 1.9V to 5V, the ISL9112
is ideal for applications requiring dynamically changing supply
voltages. A programmable slew rate can be selected to provide
smooth transitions between output voltage settings.
The ISL9110 and ISL9112 require only a single inductor and very
few external components. Power supply solution size is
minimized by a tiny 3mmx3mm package and a 2.5MHz
switching frequency, which further reduces the size of external
components.
Features
• Accepts Input Voltages Above or Below Regulated Output
Voltage
• Automatic and Seamless Transitions Between Buck and Boost
Modes
• Input Voltage Range: 1.8V to 5.5V
• Output Current: Up to 1.2A
• High Efficiency: Up to 95%
• 35µA Quiescent Current Maximizes Light-load Efficiency
• 2.5MHz Switching Frequency Minimizes External Component
Size
• Selectable Forced-PWM Mode and External Synchronization
• I
2
C Interface (ISL9112)
• Fully Protected for Overcurrent, Over-temperature and
Undervoltage
• Small 3mmx3mm TDFN Package
Applications
• Regulated 3.3V from a Single Li-Ion Battery
• Smart Phones and Tablet Computers
• Handheld Devices
• Point-of-Load Regulators
Related Literature
• See
AN1648
“ISL9110IRTNEVAL1Z, ISL9110IRT7EVAL1Z,
ISL9110IRTAEVAL1Z Evaluation Board User Guide”
• See
AN1647
“ISL9112IRTNEVAL1Z, ISL9112IRT7EVAL1Z
EvaluationBoard User Guide”
100
V
IN
=
1.8V TO 5.5V
C1
10µF
ISL9110IRTNZ
95
EFFICIENCY (%)
4
5 PVIN
6
10
9
8
7
VIN
MODE
EN
BAT
PG
GND
LX1
2
LX2
1
VOUT
L1
2.2µH
V
OUT
=
3.3V/1A
C2
10µF
90
V
IN
= 5V
85
80
75
V
OUT
= 3.3V
70
0.01
V
IN
= 3V
V
IN
= 2.5V
11
3
PGND
STATUS
OUTPUTS
FB 12
0.05
I
OUT
(A)
0.25
1.25
FIGURE 1. TYPICAL APPLICATION
FIGURE 2. EFFICIENCY
July 13, 2012
FN7649.2
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774
|
Copyright Intersil Americas Inc. 2011, 2012. All Rights Reserved
Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.
All other trademarks mentioned are the property of their respective owners.

ISL9110 Related Products

ISL9110 ISL9110IRTNZ-T ISL9110IRTNEVAL1Z ISL9112IRT7EVAL1Z ISL9110IRTAEVAL1Z ISL9112IRTNEVAL1Z
Description 2.8 A SWITCHING REGULATOR, 2750 kHz SWITCHING FREQ-MAX, PDSO12 2.8 A SWITCHING REGULATOR, 2750 kHz SWITCHING FREQ-MAX, PDSO12 2.8 A SWITCHING REGULATOR, 2750 kHz SWITCHING FREQ-MAX, PDSO12 2.8 A SWITCHING REGULATOR, 2750 kHz SWITCHING FREQ-MAX, PDSO12 2.8 A SWITCHING REGULATOR, 2750 kHz SWITCHING FREQ-MAX, PDSO12 2.8 A SWITCHING REGULATOR, 2750 kHz SWITCHING FREQ-MAX, PDSO12
Rated input voltage 3.6 V - 3.6 V 3.6 V 3.6 V 3.6 V
Number of functions 1 - 1 1 1 1
Number of terminals 12 - 12 12 12 12
Minimum operating temperature -40 Cel - -40 Cel -40 Cel -40 Cel -40 Cel
Maximum operating temperature 85 Cel - 85 Cel 85 Cel 85 Cel 85 Cel
Processing package description 3 X 3 MM, 0.40 MM PITCH, ROHS COMPLIANT, PLASTIC, TDFN-12 - 3 X 3 MM, 0.40 MM PITCH, ROHS COMPLIANT, PLASTIC, TDFN-12 3 X 3 MM, 0.40 MM PITCH, ROHS COMPLIANT, PLASTIC, TDFN-12 3 X 3 MM, 0.40 MM PITCH, ROHS COMPLIANT, PLASTIC, TDFN-12 3 X 3 MM, 0.40 MM PITCH, ROHS COMPLIANT, PLASTIC, TDFN-12
state Active - Active Active Active Active
Analog IC other types SWITCHING REGULATOR - SWITCHING REGULATOR SWITCHING REGULATOR SWITCHING REGULATOR SWITCHING REGULATOR
control mode VOLTAGE-MODE - VOLTAGE-MODE VOLTAGE-MODE VOLTAGE-MODE VOLTAGE-MODE
Control Technology PULSE WIDTH MODULATION - PULSE WIDTH MODULATION PULSE WIDTH MODULATION PULSE WIDTH MODULATION PULSE WIDTH MODULATION
Minimum input voltage 1.8 V - 1.8 V 1.8 V 1.8 V 1.8 V
Maximum input voltage 5.5 V - 5.5 V 5.5 V 5.5 V 5.5 V
jesd_30_code S-PDSO-N12 - S-PDSO-N12 S-PDSO-N12 S-PDSO-N12 S-PDSO-N12
jesd_609_code e3 - e3 e3 e3 e3
Maximum output current 2.8 A - 2.8 A 2.8 A 2.8 A 2.8 A
Packaging Materials PLASTIC/EPOXY - PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
ckage_code HVSON - HVSON HVSON HVSON HVSON
ckage_equivalence_code SOLCC12,.12,16 - SOLCC12,.12,16 SOLCC12,.12,16 SOLCC12,.12,16 SOLCC12,.12,16
packaging shape SQUARE - SQUARE SQUARE SQUARE SQUARE
Package Size SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE - SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
qualification_status COMMERCIAL - COMMERCIAL COMMERCIAL COMMERCIAL COMMERCIAL
seated_height_max 0.8000 mm - 0.8000 mm 0.8000 mm 0.8000 mm 0.8000 mm
sub_category Switching Regulator or Controllers - Switching Regulator or Controllers Switching Regulator or Controllers Switching Regulator or Controllers Switching Regulator or Controllers
surface mount YES - YES YES YES YES
Switch configuration BUCK-BOOST - BUCK-BOOST BUCK-BOOST BUCK-BOOST BUCK-BOOST
Maximum switching frequency 2750 kHz - 2750 kHz 2750 kHz 2750 kHz 2750 kHz
Temperature level INDUSTRIAL - INDUSTRIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL
terminal coating MATTE TIN - MATTE TIN MATTE TIN MATTE TIN MATTE TIN
Terminal form NO LEAD - NO LEAD NO LEAD NO LEAD NO LEAD
Terminal spacing 0.4000 mm - 0.4000 mm 0.4000 mm 0.4000 mm 0.4000 mm
Terminal location DUAL - DUAL DUAL DUAL DUAL
length 3 mm - 3 mm 3 mm 3 mm 3 mm
width 3 mm - 3 mm 3 mm 3 mm 3 mm
dditional_feature ALSO HAS A CONTROL TECHNIQUE OF PFM, OPERATES IN ADJUSTABLE MODE FROM 1 TO 5.2V - ALSO HAS A CONTROL TECHNIQUE OF PFM, OPERATES IN ADJUSTABLE MODE FROM 1 TO 5.2V ALSO HAS A CONTROL TECHNIQUE OF PFM, OPERATES IN ADJUSTABLE MODE FROM 1 TO 5.2V ALSO HAS A CONTROL TECHNIQUE OF PFM, OPERATES IN ADJUSTABLE MODE FROM 1 TO 5.2V ALSO HAS A CONTROL TECHNIQUE OF PFM, OPERATES IN ADJUSTABLE MODE FROM 1 TO 5.2V
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