TC1107 MICROCHIP [Microchip Technology], TC1107 Datasheet

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TC1107

Manufacturer Part Number
TC1107
Description
300mA CMOS LDO with Shutdown and VREF Bypass
Manufacturer
MICROCHIP [Microchip Technology]
Datasheet

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Features
• Extremely Low Supply Current (50µA, Typ.)
• Very Low Dropout Voltage
• 300mA Output Current
• High Output Voltage Accuracy
• Standard or Custom Output Voltages
• Power Saving Shutdown Mode
• Bypass Input for Ultra Quiet Operation
• Over Current and Over Temperature Protection
• Space-Saving MSOP Package Option
Applications
• Battery Operated Systems
• Portable Computers
• Medical Instruments
• Instrumentation
• Cellular/GSM/PHS Phones
• Linear Post-Regulators for SMPS
• Pagers
Device Selection Table
NOTE: xx indicates output voltages
Available Output Voltages: 2.5, 2.8, 3.0, 3.3, 5.0.
Other output voltages are available. Please contact Microchip
Technology Inc. for details.
Package Type
©
TC1107-xxVOA
TC1107-xxVUA
Part Number
2002 Microchip Technology Inc.
300mA CMOS LDO with Shutdown and V
8-Pin MSOP
8-Pin SOIC
Bypass
Package
V
GND
OUT
NC
1
2
3
4
8-Pin MSOP
TC1107VUA
-40°C to +125°C
-40°C to +125°C
Temp. Range
Junction
8
7
6
5
V
NC
NC
SHDN
IN
General Description
The TC1107 is a fixed output, high accuracy (typically
±0.5%) CMOS upgrade for older (bipolar) low dropout
regulators. Total supply current is typically 50µA at full
load (20 to 60 times lower than in bipolar regulators).
TC1107 key features include ultra low noise operation
(plus optional Bypass input); very low dropout voltage
(typically 240mV at full load), and fast response to step
changes in load. Supply current is reduced to 0.05µA
(typical) and V
input is low.
The TC1107 incorporates both over temperature and
over current protection. The TC1107 is stable with an
output capacitor of only 1µF and has a maximum
output current of 300mA.
Typical Application
Bypass
V
V
GND
OUT
OUT
NC
1
2
3
4
+
8-Pin SOIC
TC1107VOA
C1
1µF
OUT
C
470pF
(Optional)
BYPASS
1
2
4
3
falls to zero when the shutdown
V
GND
NC
Bypass
OUT
TC1107
TC1107
8
6
5
7
REF
Shutdown Control
(from Power Control Logic)
V
NC
NC
SHDN
IN
SHDN
V
NC
NC
IN
Bypass
8
6
5
7
DS21356B-page 1
V
IN

Related parts for TC1107

TC1107 Summary of contents

Page 1

... Supply current is reduced to 0.05µA (typical) and V input is low. The TC1107 incorporates both over temperature and over current protection. The TC1107 is stable with an output capacitor of only 1µF and has a maximum output current of 300mA. Typical Application V ...

Page 2

... SS Power Dissipation................Internally Limited (Note 6) Maximum Voltage on Any Pin ........ V IN Operating Temperature Range...... -40°C < T Storage Temperature.......................... -65°C to +150°C TC1107 ELECTRICAL SPECIFICATIONS Electrical Characteristics 1V OUT type specifications apply for junction temperatures of -40°C to +125°C. Symbol ...

Page 3

... Shutdown control input. The regulator is fully enabled when a logic high is applied to this input. The regulator enters shutdown when a logic low is applied to this input. During shutdown, output voltage falls to zero and supply current is reduced to 0.05µA (typical connect connect Unregulated supply input. IN 2002 Microchip Technology Inc. © TC1107 Description DS21356B-page 3 ...

Page 4

... TC1107 3.0 DETAILED DESCRIPTION The TC1107 is a precision regulator available in fixed voltages. Unlike bipolar regulators, the TC1107’s supply current does not increase with load current. In addition, V remains stable and within regulation OUT over the entire 0mA to I operating load current OUT ...

Page 5

... D J MAX (125 – 55) = 318mW In this example, the TC1107 dissipates a maximum of 167mW; below the allowable limit of 318mW similar manner, Equation 4-1 and Equation 4-2 can be used to calculate maximum current and/or input voltage limits. 4.3 Layout Considerations The primary path of heat conduction out of the package is via the package leads ...

Page 6

... TC1107 5.0 TYPICAL CHARACTERISTICS Note: The graphs and tables provided following this note are a statistical summary based on a limited number of samples and are provided for informational purposes only. The performance characteristics listed herein are not tested or guaranteed. In some graphs or tables, the data presented may be outside the specified operating range (e ...

Page 7

... TR Suffix Device Carrier Width (W) Pitch (P) Part Per Full Reel 2500 User Direction of Feed P Standard Reel Component Orientation for TR Suffix Device Carrier Width (W) Pitch (P) Part Per Full Reel 2500 TC1107 W Reel Size Reel Size 13 in DS21356B-page 7 ...

Page 8

... TC1107 6.3 Package Dimensions 8-Pin MSOP .122 (3.10) .114 (2.90) .026 (0.65) TYP. .122 (3.10) .114 (2.90) .016 (0.40) .006 (0.15) .010 (0.25) .002 (0.05) 8-Pin SOIC .157 (3.99) .150 (3.81) .050 (1.27) TYP. .197 (5.00) .189 (4.80) .020 (0.51) .010 (0.25) .013 (0.33) .004 (0.10) DS21356B-page 8 PIN 1 .197 (5.00) .189 (4.80) .043 (1.10) 6° MAX. MAX. .028 (0.70) .016 (0.40) PIN 1 .244 (6.20) .228 (5.79) .069 (1.75) .053 (1.35) ° ...

Page 9

... The Microchip Worldwide Site (www.microchip.com) Please specify which device, revision of silicon and Data Sheet (include Literature #) you are using. New Customer Notification System Register on our web site (www.microchip.com/cn) to receive the most current information on our products.  2002 Microchip Technology Inc. TC1107 DS21356B-page 9 ...

Page 10

... TC1107 NOTES: DS21356B-page 10  2002 Microchip Technology Inc. ...

Page 11

... Microchip. No licenses are con- veyed, implicitly or otherwise, under any intellectual property rights. 2002 Microchip Technology Inc. © TC1107 Trademarks The Microchip name and logo, the Microchip logo, FilterLab microID, MPLAB, PIC, PICmicro, PICMASTER, ...

Page 12

W ORLDWIDE AMERICAS Corporate Office 2355 West Chandler Blvd. Chandler, AZ 85224-6199 Tel: 480-792-7200 Fax: 480-792-7277 Technical Support: 480-792-7627 Web Address: http://www.microchip.com Rocky Mountain 2355 West Chandler Blvd. Chandler, AZ 85224-6199 Tel: 480-792-7966 Fax: 480-792-7456 Atlanta 500 Sugar Mill Road, ...

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