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TC110331ECTRT

Description
0.1 A SWITCHING CONTROLLER, 115 kHz SWITCHING FREQ-MAX, PDSO5, SOT-23, 5 PIN
CategoryPower/power management    The power supply circuit   
File Size94KB,13 Pages
ManufacturerMicrochip
Websitehttps://www.microchip.com
Environmental Compliance  
Download Datasheet Parametric Compare View All

TC110331ECTRT Overview

0.1 A SWITCHING CONTROLLER, 115 kHz SWITCHING FREQ-MAX, PDSO5, SOT-23, 5 PIN

TC110331ECTRT Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerMicrochip
Parts packaging codeSOT-23
package instructionLSSOP,
Contacts5
Reach Compliance Codecompliant
ECCN codeEAR99
Analog Integrated Circuits - Other TypesSWITCHING CONTROLLER
Control TechnologyPULSE WIDTH MODULATION
Maximum input voltage10 V
Minimum input voltage2 V
Nominal input voltage3.3 V
JESD-30 codeR-PDSO-G5
JESD-609 codee3
length2.9 mm
Humidity sensitivity level1
Number of functions1
Number of terminals5
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Maximum output current0.1 A
Package body materialPLASTIC/EPOXY
encapsulated codeLSSOP
Package shapeRECTANGULAR
Package formSMALL OUTLINE, LOW PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)260
Certification statusNot Qualified
Maximum seat height1.45 mm
surface mountYES
Switch configurationSINGLE
Maximum switching frequency115 kHz
Temperature levelINDUSTRIAL
Terminal surfaceMatte Tin (Sn)
Terminal formGULL WING
Terminal pitch0.95 mm
Terminal locationDUAL
Maximum time at peak reflow temperature40
width1.65 mm
Base Number Matches1
TC110
PFM/PWM Step-Up DC/DC Controller
FEATURES
s
s
s
s
s
s
s
s
Space-Saving 5-Pin SOT-23A Package
Guaranteed Start-Up at 0.9V
50
µ
A (Typ) Supply Current (f
OSC
= 100 KHz)
300 mA Output Current @ V
IN
2.7V
0.5
µ
A Shutdown Mode
100 KHz and 300 KHz Switching Frequency Options
Programmable Soft-Start
84% Efficiency
GENERAL DESCRIPTION
The TC110 is a step-up (Boost) switching controller that
furnishes output currents as high as 300 mA while delivering
a typical efficiency of 84%. The TC110 normally operates in
pulse width modulation mode (PWM), but automatically
switches to pulse frequency modulation (PFM) at low output
loads for greater efficiency. Supply current draw for the 100
KHz version is typically only 50
µA,
and is reduced to less
than 0.5
µA
when the SHDN input is brought low. Regulator
operation is suspended during shutdown.
Housed in a tiny 5-pin SOT-23A package, the TC110
occupies minimum board space, and uses tiny external
components (the 300 KHz version allows for less than 5 mm
surface-mount magnetics).
The TC110 accepts input voltages from 2.0V to 10.0V,
with a guaranteed start-up voltage of 0.9V.
TYPICAL APPLICATIONS
s
s
s
s
Palmtops
Battery Powered Systems
Positive LCD Bias Generators
Portable Communicators
TYPICAL OPERATING CIRCUIT
ORDERING INFORMATION
Part
Number
Output
Voltage*
(V)
Package
5.0
3.3
3.0
5.0
3.3
3.0
5-Pin SOT-23A
5-Pin SOT-23A
5-Pin SOT-23A
5-Pin SOT-23A
5-Pin SOT-23A
5-Pin SOT-23A
Osc. Operating
Freq.
Temp.
(KHz) Range
100
100
100
300
300
300
–40 to +85°C
–40 to +85°C
–40 to +85°C
–40 to +85°C
–40 to +85°C
–40 to +85°C
Battery
3V
10
µF
+
47
µH
D1
IN5817
V
OUT
Si9410DY
47
µF
Tantalum
+
5
EXT
4
GND
TC110501ECT
TC110331ECT
TC110301ECT
TC110503ECT
TC110333ECT
TC110303ECT
NOTE: *Other output voltages available. Please contact Microchip
Technology for details.
TC110
V
OUT
V
DD
SHDN/SS
PIN CONFIGURATION
5-Pin SOT-23A
R
OFF ON
1
2
3
C
*RC Optional
5
4
3V to 5V Supply
TC110
1
2
3
© 2001 Microchip Technology Inc.
DS21355A
TC110-2 5/24/99

TC110331ECTRT Related Products

TC110331ECTRT TC110303ECTRT TC110301ECTRT TC110333ECTRT TC110501ECTRT TC110503ECTRT
Description 0.1 A SWITCHING CONTROLLER, 115 kHz SWITCHING FREQ-MAX, PDSO5, SOT-23, 5 PIN 0.1 A SWITCHING CONTROLLER, 345 kHz SWITCHING FREQ-MAX, PDSO5, SOT-23, 5 PIN 0.1 A SWITCHING CONTROLLER, 115 kHz SWITCHING FREQ-MAX, PDSO5, SOT-23, 5 PIN 0.1 A SWITCHING CONTROLLER, 345 kHz SWITCHING FREQ-MAX, PDSO5, SOT-23, 5 PIN 0.1 A SWITCHING CONTROLLER, 115 kHz SWITCHING FREQ-MAX, PDSO5, SOT-23, 5 PIN 0.1 A SWITCHING CONTROLLER, 345 kHz SWITCHING FREQ-MAX, PDSO5, SOT-23, 5 PIN
Is it lead-free? Lead free Lead free Lead free Lead free Lead free Lead free
Is it Rohs certified? conform to conform to conform to conform to conform to conform to
Parts packaging code SOT-23 SOT-23 SOT-23 SOT-23 SOT-23 SOT-23
package instruction LSSOP, LSSOP, LSSOP, LSSOP, LSSOP, EIAJ, SC-74A, SOT-23A, 5 PIN
Contacts 5 5 5 5 5 5
Reach Compliance Code compliant compliant compliant compliant compliant compliant
ECCN code EAR99 EAR99 EAR99 EAR99 EAR99 EAR99
Analog Integrated Circuits - Other Types SWITCHING CONTROLLER SWITCHING CONTROLLER SWITCHING CONTROLLER SWITCHING CONTROLLER SWITCHING CONTROLLER SWITCHING CONTROLLER
Control Technology PULSE WIDTH MODULATION PULSE WIDTH MODULATION PULSE WIDTH MODULATION PULSE WIDTH MODULATION PULSE WIDTH MODULATION PULSE WIDTH MODULATION
Maximum input voltage 10 V 10 V 10 V 10 V 10 V 10 V
Minimum input voltage 2 V 2 V 2 V 2 V 2 V 2 V
Nominal input voltage 3.3 V 3 V 3 V 3.3 V 5 V 5 V
JESD-30 code R-PDSO-G5 R-PDSO-G5 R-PDSO-G5 R-PDSO-G5 R-PDSO-G5 R-PDSO-G5
JESD-609 code e3 e3 e3 e3 e3 e3
length 2.9 mm 2.9 mm 2.9 mm 2.9 mm 2.9 mm 2.9 mm
Humidity sensitivity level 1 1 1 1 1 1
Number of functions 1 1 1 1 1 1
Number of terminals 5 5 5 5 5 5
Maximum operating temperature 85 °C 85 °C 85 °C 85 °C 85 °C 85 °C
Minimum operating temperature -40 °C -40 °C -40 °C -40 °C -40 °C -40 °C
Maximum output current 0.1 A 0.1 A 0.1 A 0.1 A 0.1 A 0.1 A
Package body material PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code LSSOP LSSOP LSSOP LSSOP LSSOP LSSOP
Package shape RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR
Package form SMALL OUTLINE, LOW PROFILE, SHRINK PITCH SMALL OUTLINE, LOW PROFILE, SHRINK PITCH SMALL OUTLINE, LOW PROFILE, SHRINK PITCH SMALL OUTLINE, LOW PROFILE, SHRINK PITCH SMALL OUTLINE, LOW PROFILE, SHRINK PITCH SMALL OUTLINE, LOW PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius) 260 260 260 260 260 260
Certification status Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified
Maximum seat height 1.45 mm 1.45 mm 1.45 mm 1.45 mm 1.45 mm 1.45 mm
surface mount YES YES YES YES YES YES
Switch configuration SINGLE SINGLE SINGLE SINGLE SINGLE SINGLE
Maximum switching frequency 115 kHz 345 kHz 115 kHz 345 kHz 115 kHz 345 kHz
Temperature level INDUSTRIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL
Terminal surface Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn)
Terminal form GULL WING GULL WING GULL WING GULL WING GULL WING GULL WING
Terminal pitch 0.95 mm 0.95 mm 0.95 mm 0.95 mm 0.95 mm 0.95 mm
Terminal location DUAL DUAL DUAL DUAL DUAL DUAL
Maximum time at peak reflow temperature 40 40 40 40 40 40
width 1.65 mm 1.65 mm 1.65 mm 1.65 mm 1.65 mm 1.65 mm
Maker Microchip Microchip - - Microchip Microchip
Base Number Matches 1 1 1 1 - -
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