TC2015 Microchip Technology, TC2015 Datasheet

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TC2015

Manufacturer Part Number
TC2015
Description
(TC2xxx) 50 mA / 100 mA / 150 mA CMOS LDOs with Shutdown and Reference Bypass
Manufacturer
Microchip Technology
Datasheet

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Features
• Low Supply Current: 80 µA (Max)
• Low Dropout Voltage: 140 mV (Typ) @ 150 mA
• High Output Voltage Accuracy: ±0.4% (Typ)
• Standard or Custom Output Voltages
• Power-Saving Shutdown Mode
• Reference Bypass Input for Ultra Low-Noise
• Fast Shutdown Response Time: 60 µsec (Typ)
• Over-Current Protection
• Space-Saving 5-Pin SOT-23A Package
• Pin Compatible Upgrades for Bipolar Regulators
• Wide Operating Temperature Range:
Applications
• Battery Operated Systems
• Portable Computers
• Medical Instruments
• Instrumentation
• Cellular / GSM / PHS Phones
• Linear Post-Regulator for SMPS
• Pagers
Package Type
M
Operation
-40°C to +125°C
2003 Microchip Technology Inc.
V
V
OUT
5
1
50 mA, 100 mA, 150 mA CMOS LDOs with
IN
5-Pin SOT-23A
GND
2
Bypass
SHDN
Shutdown and Reference Bypass
4
3
TC2014
TC2015
TC2185
TC2014/2015/2185
General Description
The TC2014, TC2015 and TC2185 are high-accuracy
(typically ±0.4%) CMOS upgrades for bipolar low drop-
out regulators, such as the LP2980. Total supply cur-
rent is typically 55 µA; 20 to 60 times lower than in
bipolar regulators.
The key features of the device include low noise oper-
ation (plus bypass reference), low dropout voltage
– typically 45 mV for the TC2014, 90 mV for the
TC2015, and 140 mV for the TC2185, at full load – and
fast response to step changes in load. Supply current
is reduced to 0.5 µA (max) and V
the shutdown input is low. The devices also incorporate
over-current protection.
The TC2014, TC2015 and TC2185 are stable with an
output capacitor of 1 µF and have a maximum output
current of 50 mA, 100 mA and 150 mA, respectively.
For
(DS21356),
(DS21362) (I
Related Literature
• Application Notes: AN765, AN766, AN776 and
Typical Application
V
(from Power Control Logic)
AN792
IN
Shutdown Control
higher
+
1 µF
OUT
1
2
3
output
TC1108
V
GND
SHDN
= 300 mA) datasheets.
IN
TC2014
TC2015
TC2185
versions,
Bypass
(DS21357)
V
OUT
OUT
see
5
4
falls to zero when
DS21662C-page 1
and
+
the
1 µF
0.01 µF
Reference
Bypass Cap
(Optional)
TC1107
TC1173
V
OUT

Related parts for TC2015

TC2015 Summary of contents

Page 1

... The key features of the device include low noise oper- ation (plus bypass reference), low dropout voltage – typically 45 mV for the TC2014 for the TC2015, and 140 mV for the TC2185, at full load – and fast response to step changes in load. Supply current is reduced to 0.5 µA (max) and V the shutdown input is low ...

Page 2

... V < TC2014;TC2015 0 OUTMAX TC2185 0 Note 4 L OUTMAX Note 100 µ TC2015; TC2185 I = 100 mA L TC2185 I = 150 mA L SHDN = SHDN = 0V . DROPOUT for msec. MAX IN is switched from ...

Page 3

... Specifications are for a current pulse equal The maximum allowable power dissipation is a function of ambient temperature, the maximum allowable junction tem- perature and the thermal resistance from junction-to-air (i. Time required for V to reach 95 OUT 2003 Microchip Technology Inc. TC2014/2015/2185 = 100 µ ...

Page 4

... Output Voltage vs. Junction T = +25° -45° +125° 1. 3.3 µF OUT I = 150 mA L 3.2 3.6 4 4.4 4.8 5.2 5.6 6 Supply Voltage (V) Output Voltage vs. Supply 3.3 µF OUT I = 150 100 2.7V Junction Temperature (°C) Dropout Voltage vs. 2003 Microchip Technology Inc. ...

Page 5

... V = 2.7V R 2.674 C = 3.3 µF OUT 2.672 2.670 Junction Temperature (°C) FIGURE 2-9: Output Voltage vs. Junction Temperature (0.1 mA). 2003 Microchip Technology Inc. TC2014/2015/2185 = 100 µ 3.3 µF, SHDN > OUT 2.705 2.700 2.695 2.690 2.685 2.680 V 2.675 C 2.670 I 2.665 FIGURE 2-10: Temperature (150 mA) ...

Page 6

... Junction Temperature (°C) Dropout Voltage vs 3. 2.8V OUT Ceramic Ceramic OUT Frequency = 1 kHz V 100mV/DIV OUT Load Current 150mA Load 100mA Load Transient Response. 100mV / DIV V OUT Load Current 150mA Load 100mA Load Transient Response. 2003 Microchip Technology Inc. ...

Page 7

... V = 3.006V OUT Ceramic Ceramic OUT LOAD FIGURE 2-20: Load Transient Response in Dropout µF). OUT FIGURE 2-21: Shutdown Delay Time. 2003 Microchip Technology Inc. TC2014/2015/2185 = 100 µ 3.3 µF, SHDN > OUT FIGURE 2-22 - OUT V -20 -30 150mA ...

Page 8

... OUT 10 10.000 1.000 1 0.1 0.100 0.10 0.010 100k 1M 0.001 0 10 FIGURE 2-26 +25° 4. 3.0V OUTDC I = 100 µA OUT C = 470 pF BYPASS µ µF OUT OUT 100 1k 10k 100k 1M 100 1000 10000 100000 100000 0 Frequency (Hz) Output Noise vs. Frequency. 2003 Microchip Technology Inc. ...

Page 9

... GND. Also connect one side of the 1 µF typical input decoupling capacitor close to this pin and one side of the output capacitor C to this pin. OUT 2003 Microchip Technology Inc. TC2014/2015/2185 3.3 Shutdown Control Input (SHDN) The regulator is fully enabled when a logic high is applied to SHDN. The regulator enters shutdown when a logic low is applied to this input ...

Page 10

... TC2014/2015/2185 4.0 DETAILED DESCRIPTION The TC2014, TC2015 and TC2185 are precision fixed output voltage regulators (If an adjustable version is needed, see the TC1070, TC1071 or TC1187 (DS21353) datasheet.) Unlike bipolar regulators, the TC2014, TC2015 and TC2185 supply current does not increase with load current. In addition, the LDO output voltage is stable using 1 µ ...

Page 11

... FR4 dielectric copper clad PC board. EQUATION T – T JMAX AMAX -------------------------------------- - P = DMAX JA Where all terms are previously defined. 2003 Microchip Technology Inc. TC2014/2015/2185 The P equation can be used in conjunction with the D P equation to ensure regulator thermal operation DMAX is within limits. For example: Given: V INMAX V ...

Page 12

... TC2014/2015/2185 6.0 PACKAGING INFORMATION 6.1 Package Marking Information & represents part number code + temperature range and voltage (V) TC2014 TC2015 represents year and 2-month period code represents lot ID number DS21662C-page 12 TC2185 2003 Microchip Technology Inc. ...

Page 13

... Mold Draft Angle Bottom * Controlling Parameter § Significant Characteristic Notes: Dimensions D and E1 do not include mold flash or protrusions. Mold flash or protrusions shall not exceed .010” (0.254mm) per side. JEDEC Equivalent: MO-178 Drawing No. C04-091 2003 Microchip Technology Inc. TC2014/2015/2185 ...

Page 14

... TC2014/2015/2185 NOTES: DS21662C-page 14 2003 Microchip Technology Inc. ...

Page 15

... TC2014-3.3VCTTR: 5LD SOT-23-A, 3.3V, Tape and Reel. a) TC2015-1.8VCTTR: 5LD SOT-23-A, 1.8V, Tape and Reel. b) TC2015-2.85VCTTR: 5LD SOT-23-A, 2.85V, Tape and Reel. c) TC2015-3.0VCTTR: 5LD SOT-23-A, 3.0V, Tape and Reel. a) TC2185-1.8VCTTR: 5LD SOT-23-A, 1.8V, Tape and Reel. b) TC2185-2.8VCTTR: 5LD SOT-23-A, 2.8V, Tape and Reel. DS21662C-page15 ...

Page 16

... TC2014/2015/2185 NOTES: DS21662C-page 16 2003 Microchip Technology Inc. ...

Page 17

... ICSP, ICEPIC, microPort, Migratable Memory, MPASM, MPLIB, MPLINK, MPSIM, PICC, PICkit, PICDEM, PICDEM.net, PowerCal, PowerInfo, PowerTool, rfPIC, Select Mode, SmartSensor, SmartShunt, SmartTel and Total Endurance are trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. Serialized Quick Turn Programming (SQTP service mark of Microchip Technology Incorporated in the U.S.A. ...

Page 18

... Korea Microchip Technology Korea 168-1, Youngbo Bldg. 3 Floor Samsung-Dong, Kangnam-Ku Seoul, Korea 135-882 Tel: 82-2-554-7200 Fax: 82-2-558-5934 Singapore Microchip Technology Singapore Pte Ltd. 200 Middle Road #07-02 Prime Centre Singapore, 188980 Tel: 65-6334-8870 Fax: 65-6334-8850 Taiwan Microchip Technology (Barbados) Inc., Taiwan Branch 11F-3, No ...

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