Switching RegulatorsProduct Portfolio

August, 2001

Product Application(s) Switching Output(s) PackagePow

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DC/DC Conversion ICs (Application Specific Switching Regulators)

Output- Max. Output Input- PWM Max.DutyVoltage Current Voltage Frequency Cycle (%) Current Limit

Product Type (V) (A) (V) max (kHz) Typical or OCP UVLO Soft Start Package

PWM/Phase Modulation Controllers (General Purpose Switching Regulators)

KA34063A DC/DC Adj 1.5 3 to 40 0.1 - 100 - External - X DIP-8, SO-8

MC33063A DC/DC Adj 1.5 3 to 40 0.1 - 100 - External - X DIP-8, SO-8

KA3511BS House-keeping circuit 40 0.2 40 10 50 X X X SDIP-24

KA3524 DC/DC 18 0.1 40 100 UP Variable X X X DIP-16

KA3525A DC/DC 5 0.5 40 0.06 - 430 50 X X X DIP-16

KA3842B DC/DC,OFF-Line Adj 1 30 52 97 X O X DIP-8, SO-14

KA3843B DC/DC,OFF-Line Adj 1 30 52 97 X O X DIP-8, SO-14

KA3844B DC/DC,OFF-Line Adj 1 30 52 48 X O X DIP-8, SO-14

KA3845B DC/DC,OFF-Line Adj 1 30 52 48 X O X DIP-8, SO-14

KA3846 DC/DC Adj 0.5 40 43 Variable External O X DIP-16

KA3882C DC/DC,OFF-Line Adj 1 30 52 96 X O X DIP-8, SO-8

KA3882E DC/DC,OFF-Line Adj 1 30 52 96 X O X DIP-8, SO-8

KA3883C DC/DC,OFF-Line Adj 1 30 52 96 X O X DIP-8, SO-8

KA3883E DC/DC,OFF-Line Adj 1 30 52 96 X O X DIP-8, SO-8

KA7500B DC/DC Adj 0.2 40 1 - 300 Variable X X X DIP-16, SO-16

KA7500C DC/DC Adj 0.2 40 1 - 300 Variable X X X DIP-16, SO-16

KA7511 OFF-Line 4 1.5 20 X - X X X SIP H/S-10

KA7515 DC/DC 13 12mA 20 X - X X X DIP-8

KA7552A DC/DC Adj 1.5 30 5 - 600 70 X O O DIP-8

KA7553A DC/DC Adj 1.5 30 5 - 600 46 X O O DIP-8

KA7577 DC/DC,OFF-Line 16.5 2 30 188 53 X X X DIP-16, SO-20

ML4818 Phase Modulation/Soft Adj 1.5 30 500 - X X X DIP-24 Narrow

Switching Controller

ML4823 High Frequency Power Adj 0.5 30 1000 80 X X X DIP-16, SO-16 Wide

Supply Controller

TL494 DC/DC Adj 0.2 40 1 - 300 Variable X X X DIP-16, SO-16

UC3525A DC/DC 5 0.5 40 0.06 - 430 50 X X X DIP-16

UC3842 DC/DC,OFF-Line Adj 1 30 52 97 X O X DIP-8, SO-14

UC3843 DC/DC,OFF-Line Adj 1 30 52 97 X O X DIP-8, SO-14

UC3844 DC/DC,OFF-Line Adj 1 30 52 48 X O X DIP-8, SO-14

UC3845 DC/DC,OFF-Line Adj 1 30 52 48 X O X DIP-8, SO-14

UC3846 DC/DC Adj 0.5 40 43 Variable External O X DIP-16

* Product In Development: Consult FactoryX = Increase width of flow

VRM-Compliant Desktop CPU Supply ControllersRC5051 Desktop PC CPU (VRM8.2) 1.3 - 3.5V @ 0 - 15+A 5 5 To 1MHz X X X X X SO-20

RC5052 Desktop PC CPU (VRM8.4) 1.3 - 3.5V @ 0 - 16+A 5 12 300 X X X X X SO-20

RC5057 Desktop PC CPU (VRM8.4) 1.3 - 3.5V @ 0 - 16+A 5 5 300 X X X X X SO-16

RC5058 Desktop PC CPU (VRM8.4) + Logic 1.3 - 3.5V @ 0 - 16+A 5 5 300 X X X X X a.1.5V, b. 2.5V, c.1.5/1.8V SO-24

FAN5059 Desktop PC CPU (VRM8.4) + Logic; 1.3 - 3.5V @ 0 - 16+A 5 5 300 X X X X X a.1.5V, b. 2.5V, c.1.5/1.8V SO-24

Enhanced Power Good

RC5061 Desktop PC CPU (VRM8.4) + Logic 1.3 - 3.5V @ 0 - 16+A 5 5 300 X X X X X a. 1.5/1.55V, b. 2.5V SO-20

FAN5056MV85 Desktop PC CPU (VRM8.5), 1.1 - 1.85V @ 0 - 30A 5 5 300 X X X X X a. 1.8V, b. 2.5V, c. 1.5/3.3V SO-24

Soft Start LDOs

FAN5071* Desktop PC CPU (VRM8.5) 1.1 - 1.85V @ 0 - 30A 5 5 300 X X X X X a. 1.8V, b. 2.5V, c. 1.5/3.3V SO-24

FAN5072* Desktop PC CPU (VRM9.0) 1.05 - 1.825V @ 0 - 30A 5 5 300 X X X X X a. 1.8V, b. 2.5V, c. 1.5/3.3V SO-24

FAN5091 Desktop PC CPU (VRM9.0); MOSFET 1.10 - 1.85V @ 0 - 70A 5 5 Variable 2 X X X X X TSSOP-24

Current Sense

FAN5093 Desktop PC CPU (VRM9.0); MOSFET 1.10 - 1.85V @ 0 - 70A 5 12 Variable 2 X X X X X TSSOP-24

Current Sense

FAN5094* Multiphase Desktop Pentium IV 1.10 - 1.85V @ 0 - 150A 5 12 200kHz 4 X X X X X TSSOP-28

Athlon, Ultrasparc CPU to 2MHz

FAN5098* K8 CPU 800mV - 1.550V @ 0 - 50A 5 12 200kHz 2 X X X X X TSSOP-24

to 2MHz

ML4812 1.0 Peak Current Boost 0.99 >50 VOUT>VIN 1 X X X X DIP-16, SO-20

ML4821 1.0 Average Current Boost 0.99 >500 VOUT>VIN 1 X X X X X DIP-18, SO-20

FAN7527 1.5 Peak Current Boost 0.99 <150 VOUT>VIN 0.4 X X X DIP-8, SO-8

Power Factor Correction Controllers – StandaloneReference Power Output VIN

Part Accuracy PFC Power Range Output Current Soft OV UV Feed BrownoutNumber % Topology Factor (W) Voltage A pk Start Protection Lockout Forward Protection Package

Power Factor Correction - Pulse-Width Modulation Power Supply Controllers

FAN4803-1 67 67 Average Current Boost Single-Ended 1 150 2 X X X X DIP-8, SO-8

FAN4803-2 67 134 Average Current Boost Single-Ended 1 150 2 X X X X DIP-8, SO-8

ML4800 1.5 200 200 Average Current Boost Single-Ended 0.5 300 4 X X X X X DIP-16, SO-16

ML4801 1.5 200 400 Average Current Boost Single-Ended 0.5 300 4 X X X X X DIP-16, SO-16

ML4802 1.5 200 400 Average Current Boost Single-Ended 0.5 300 4 X X X X X X DIP-16, SO-16

ML4803-1 67 67 Average Current Boost Single-Ended 1 150 2 X X X X DIP-8, SO-8

ML4803-2 67 134 Average Current Boost Single-Ended 1 150 2 X X X X DIP-8, SO-8

ML4804 1.3 250 250 Average Current Boost Single-Ended 1 200 5.5 X X X X DIP-16, SO-16

ML4805 1.3 200 400 Average Current Boost Single-Ended 1 200 5.5 X X X X DIP-18, SO-18

ML4819 1.0 500 500 Peak Current Boost Single-Ended 1 600 25 X X DIP-20, SO-20

ML4826 1.5 500 500 Average Current Boost Push-Pull 0.5 700 22 X X X X X DIP-20, SO-20

ML4841 1.5 200 400 Average Current Boost Single-Ended 0.5 700 17 X X X X X DIP-16, SO-16

ReferenceAccuracy

%

PFC MaxFrequency

kHz

OperatingCurrent

mAPFC Topology

Start-upCurrent

µµA

PWM MaxFrequency

kHz

PWMOutputDriver

PWMOutputCurrent

A pkSoft Start

UVLockout

CurrentLimit

FeedForward

Brown-out

ProtectionGreenMode

PartNumber Package

DC/DC Conversion ICs (Application Specific Switching Regulators) Continued

Product Application(s) Switching Output(s) PackagePow

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* Product In Development: Consult FactoryX = Increase width of flow

Desktop Logic Supply ControllersFAN5037 Desktop PC Logic/Vtt 1.2- 3.6V @ 0 - 13A 5 PFM X SO-8

FAN5066 Ultra-Low Voltage Desktop, Vtt 0.4 - 3.5V @ 0 - 19A 5 to 1MHz X X X X SO-20

RC5037 Desktop PC Logic/Vtt 1.5 - 3.6V @ 0 - 13A 5 PFM X SO-8

FAN5038 DSP/ASIC/FPGA Supplies 1.5 - 3.6V @ 0 - 13A 5 PFM X X Adj./1.5-3.6V SO-16

RC5060 ACPI Switch Controller 5, 12 X X X 5V Dual for USB, 3.3V Dual for PCI, SO-20

3.3V for SDRAM, 2.5V Dual for RAMBUS

FAN5063 ACPI Dual Switch Controller 3.3V, 2.5V - 3.3V Adj. 5, 12 X X X 3.3V Dual for PCI and adjustable SO-16

2.5V - 3.3V for SDRAM or RAMBUS

Notebook and LCD PC Supply ControllersFAN5230 Notebook PC Logic/System a. 3.3V @ 5A, b. 5V @ 5A, 5.6 - 24 300 X X X X X a. 5V - Always @ 50mA QSOP24

c. 12V @ 150mA b. 3.3V - Always @ 50mA

FAN5231 Ultra-Low Voltage Notebook PC CPU a. 0.925 - 2V b. 1.5V 5 6 - 20 300 X X X X X 2.5V QSOP-20

FAN5232 Buck Controller for LCD PCs + Logic 5V - 19V 5.6 - 24 300 X X X X X 3.3V - Always, 5V - Always TSSOP-14

FAN5234* Low-Voltage Logic 0.9 - 5V @ 10A 5 - 24 300 X X X X X QSOP-18

FAN5235 LCD PC Logic/System a. 3.3V @ 5A, b. 5V @ 5A, 5.6 - 24 300 X X X X X a. 3.3V - Always @ 50mA, QSOP-24

c. 12V @ 150mA b. 5V - Always @ 50mA

FAN5236* Dual Buck Controller 0.9 - 5.5V @ 10A each 5 - 24 300/600 X X X X X QSOP-28

FAN5240* Mobile Athlon, Duron CPU 0.925 - 2.0V 5 5 - 24 300 2 X X X X X TSSOP-28

FAN5250* Transmeta Crusoe CPU 0.600 - 1.750V 5 5 - 24 300 X X X X X SSOP-24

Handheld CPU, Display, and Logic Supply ControllersML4854 Handheld CPU 3.3V @ 250mA or 1.5 - 3.0 Variable X X X TSSOP-8

5.0V @ 150mA

ML4865 Handheld Display 12V or Adj. 1.8 - 5.5 200 X X SO-8

Bus Termination Regulators

FAN5066 Ultra-Low Voltage Vtt Controller 0.4 - 3.5 @ 0 - 19A 5 To 1MHz X X X X X SO-20

FAN5236* Complete DDR Controller a. VDDQ @ 6A b. Vtt @ 3A 3.3 - 24 300 X X X X X VREF @ 5mA QSOP-28

ML6553 1A Bus Termination Regulator 1.1 - 1.4V @ ± 1A 2.0 - 3.6 650 SO-8

FAN6555* 2A Bus Termination Regulator 0.75 - 1.4V @ ± 2A 2.3 - 4.0 650 X SO-16

ML6554 3A Bus Termination Regulator 0.75 - 1.4V @ ± 3A 2.3 - 4.0 650 X SO-16

DIP - 8 DIP - 16 QSOP - 20 QSOP - 24

SO - 16 SO - 18 SO - 20 SO - 24

KA Series

A or B = Improved Electrical Specification

KA 3843 B D

Package Designator Suffix

Package Suffix

DIP-8 Blank

DIP-14 Blank

DIP-16 Blank

SDIP-24 S

SIPH/S-10 Blank

SO-8 D

SO-14 D

SO-16 D

SO-24 D

KA Family

Device Designator

Industry Standard Series (MC, TL, UC Prefixes)

UC 3843 D

Device Designator

MC, TL, UC Families

Ordering Information

Available Packages

Package Designator Suffix

MC TL UC

DIP-8 P P N

DIP-16 N N

SO-14 D

SO-16 D

SDIP - 24 SIPH/S - 10 SO - 8 SO - 14

TSSOP - 14 TSSOP - 24

ML Series

ML 4800 X T P — X

Package Designator Suffix

Package Suffix

Plastic DIP P

Plastic LeadedChip Carrier (PLCC) Q

Small Outline (SOIC) S

UF: Ultra Fast S/W

Temperature Range

C = 0… to +70…

I = -40… to +85…

UF: Ultra Fast S/W

FAN or RC Series

FAN 5056 M V85

Package Designator Suffix

Package Suffix

QSOP-20 QS

QSOP-24 QS

SO-16 M

SO-18 M

SO-20 M

SO-24 M

TSSOP-14 MT

TSSOP-24 MT

UF: Ultra Fast S/W

FAN or RC Family

Device Designator

Output Voltage Designator

Blank = Adjustable

25 = 2.5V Fixed

285 = 2.85V Fixed

5 = 5V Fixed

UF: Ultra Fast S/W

ML Family

Device Designator

Improved Electrical Specification

Improved Electrical Specification

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Lit No. 600317-001

The following are registered and unregistered trademarks Fairchild Semiconductor Corporation owns or is authorized to use and is not intended to be anexhaustive list of all such trademarks: ACEx™, Bottomless™, CoolFET™, CROSSVOLT™, DenseTrench™, DOME™, EcoSPARK™, E2CMOS™, EnSigna ™,FACT™, FACT Quiet Series™, FAST®, FASTr™, GlobalOptoisolator™, GTO™, HiSeC™, ISOPLANAR™, LittleFET™, MicroFET™, MICROWIRE™, OPTO-LOGIC™, OPTOPLANAR™, PACMAN™, POP™, PowerTrench®, QFET™, QS™, QT Optoelectronics™, Quiet Series™, SILENT SWITCHER®, SMART START™,Star* Power™, Stealth™, SuperSOT™-3, SuperSOT™-6, SuperSOT™-8, SyncFET™, TinyLogic™, UHC™, UltraFET®, VCX™

© 2001 Fairchild Semiconductor CorporationAll Rights Reserved

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