MCP1826S-3302E/EB Microchip Technology, MCP1826S-3302E/EB Datasheet

1A CMOS LDO, Vout=3.3V, Extended Temp Range 3 DDPAK TUBE

MCP1826S-3302E/EB

Manufacturer Part Number
MCP1826S-3302E/EB
Description
1A CMOS LDO, Vout=3.3V, Extended Temp Range 3 DDPAK TUBE
Manufacturer
Microchip Technology
Datasheet

Specifications of MCP1826S-3302E/EB

Regulator Topology
Positive Fixed
Voltage - Output
3.3V
Voltage - Input
Up to 6V
Voltage - Dropout (typical)
0.25V @ 1A
Number Of Regulators
1
Current - Output
1A (Min)
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
TO-263-3, D²Pak (3 leads + Tab), TO-263AA
Number Of Outputs
1
Polarity
Positive
Input Voltage Max
6 V
Output Voltage
3.3 V
Output Type
Fixed
Dropout Voltage (max)
0.4 V at 1 A
Output Current
1 A
Line Regulation
0.05 % / V
Load Regulation
0.5 %
Voltage Regulation Accuracy
2 %
Maximum Operating Temperature
+ 125 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Current - Limit (min)
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant

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Features
• 1000 mA Output Current Capability
• Input Operating Voltage Range: 2.3V to 6.0V
• Adjustable Output Voltage Range: 0.8V to 5.0V
• Standard Fixed Output Voltages:
• Other Fixed Output Voltage Options Available
• Low Dropout Voltage: 250 mV Typical at 1000 mA
• Typical Output Voltage Tolerance: 0.5%
• Stable with 1.0 µF Ceramic Output Capacitor
• Fast response to Load Transients
• Low Supply Current: 120 µA (typ)
• Low Shutdown Supply Current: 0.1 µA (typ)
• Fixed Delay on Power Good Output
• Short Circuit Current Limiting and
• TO-263-5 (DDPAK-5), TO-220-5, SOT-223-5
• TO-263-3 (DDPAK-3), TO-220-3, SOT-223-3
Applications
• High-Speed Driver Chipset Power
• Networking Backplane Cards
• Notebook Computers
• Network Interface Cards
• Palmtop Computers
• 2.5V to 1.XV Regulators
© 2007 Microchip Technology Inc.
(MCP1826 only)
- 0.8V, 1.2V, 1.8V, 2.5V, 3.0V, 3.3V, 5.0V
Upon Request
(MCP1826 only)
(MCP1826 only)
Overtemperature Protection
Package Options (MCP1826).
Package Options (MCP1826S).
1000 mA, Low Voltage, Low Quiescent Current
MCP1826/MCP1826S
LDO Regulator
Description
The MCP1826/MCP1826S is a 1000 mA Low Dropout
(LDO) linear regulator that provides high current and
low output voltages. The MCP1826 comes in a fixed or
adjustable output voltage version, with an output
voltage range of 0.8V to 5.0V. The 1000 mA output cur-
rent capability, combined with the low output voltage
capability, make the MCP1826 a good choice for new
sub-1.8V output voltage LDO applications that have
high current demands. The MCP1826S is a 3-pin fixed
voltage version.
The MCP1826/MCP1826S is stable using ceramic
output capacitors that inherently provide lower output
noise and reduce the size and cost of the entire
regulator solution. Only 1 µF of output capacitance is
needed to stabilize the LDO.
Using CMOS construction, the quiescent current
consumed by the MCP1826/MCP1826S is typically
less than 120 µA over the entire input voltage range,
making it attractive for portable computing applications
that demand high output current. The MCP1826
versions have a Shutdown (SHDN) pin. When shut
down, the quiescent current is reduced to less than
0.1 µA.
On the MCP1826 fixed output versions the scaled-
down output voltage is internally monitored and a
power good (PWRGD) output is provided when the
output is within 92% of regulation (typical). The
PWRGD delay is internally fixed at 200 µs (typical).
The overtemperature and short circuit current-limiting
provide additional protection for the LDO during system
fault conditions.
DS22057A-page 1

Related parts for MCP1826S-3302E/EB

MCP1826S-3302E/EB Summary of contents

Page 1

... MCP1826 a good choice for new sub-1.8V output voltage LDO applications that have high current demands. The MCP1826S is a 3-pin fixed voltage version. The MCP1826/MCP1826S is stable using ceramic output capacitors that inherently provide lower output noise and reduce the size and cost of the entire regulator solution. Only 1 µ ...

Page 2

... Package Types MCP1826 DDPAK-5 Fixed/Adjustable SOT-223 Pin Fixed 1 SHDN GND (TAB OUT 5 PWRGD 6 GND (TAB) DS22057A-page 2 TO-220-5 DDPAK Adjustable SHDN V IN GND (TAB) V OUT ADJ GND (TAB) MCP1826S TO-220 SOT-223 Pin GND (TAB OUT 4 GND (TAB) © 2007 Microchip Technology Inc. ...

Page 3

... Typical Application On SHDN Off V = 2. 4.7 µF On SHDN Off 2. 4.7 µF © 2007 Microchip Technology Inc. MCP1826/MCP1826S MCP1826 Fixed Output Voltage R 1 100 kΩ OUT GND MCP1826 Adjustable Output Voltage V ADJ R 40 kΩ OUT GND PWRGD V = 1.8V @ 1000 mA OUT ...

Page 4

... MCP1826/MCP1826S Functional Block Diagram - Adjustable Output V IN Undervoltage Lock Out (UVLO) SHDN Overtemperature Sensing V IN SHDN Soft-Start GND DS22057A-page 4 PMOS I SNS Driver w/limit EA and SHDN – SHDN V REF Reference Comp 92 REF V OUT ADJ/SENSE T DELAY © 2007 Microchip Technology Inc. ...

Page 5

... Functional Block Diagram - Fixed Output (3-Pin Undervoltage Lock Out (UVLO) SHDN Overtemperature Sensing V IN SHDN Soft-Start GND © 2007 Microchip Technology Inc. MCP1826/MCP1826S PMOS I SNS Driver w/limit EA and SHDN – SHDN V REF Reference Comp 92 REF V OUT Sense T DELAY DS22057A-page 5 ...

Page 6

... MCP1826/MCP1826S Functional Block Diagram - Fixed Output (5-Pin Undervoltage Lock Out (UVLO) SHDN Overtemperature Sensing V IN SHDN Soft-Start GND DS22057A-page 6 PMOS I SNS Driver w/limit EA and SHDN – SHDN V REF Reference Comp 92 REF V OUT Sense PWRGD T DELAY © 2007 Microchip Technology Inc. ...

Page 7

... The test time is small enough such that the rise in the junction temperature over the ambient temperature is not significant. © 2007 Microchip Technology Inc. MCP1826/MCP1826S † Notice: Stresses above those listed under “Maximum Rat- ings” may cause permanent damage to the device. This is a ...

Page 8

... MCP1826/MCP1826S AC/DC CHARACTERISTICS (CONTINUED) Electrical Specifications: Unless otherwise noted mA 4.7 µF (X7R Ceramic), T OUT IN OUT Boldface type applies for junction temperatures, T Parameters Sym Dropout Characteristics Dropout Voltage V DROPOUT Power Good Characteristics PWRGD Input Voltage Operat- V PWRGD_VIN ing Range PWRGD Threshold Voltage ...

Page 9

... Maximum Junction Temperature Storage Temperature Range Thermal Package Resistances Thermal Resistance, 3L-DDPAK Thermal Resistance, 3L-TO-220 Thermal Resistance, 3L-SOT-223 Thermal Resistance, 5L-DDPAK Thermal Resistance, 5L-TO-220 Thermal Resistance, 5L-SOT-223 © 2007 Microchip Technology Inc. MCP1826/MCP1826S = OUT(MAX) DROPOUT(MAX) = +25°C. A (Note 7) of -40°C to +125°C J ...

Page 10

... MCP1826/MCP1826S 2.0 TYPICAL PERFORMANCE CURVES 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 11

... 3.9V 110.0000 IN 100.0000 -45 - Temperature (°C) FIGURE 2-9: Power Good (PWRGD) Time Delay vs. Temperature. © 2007 Microchip Technology Inc. MCP1826/MCP1826S = 4.7 µF Ceramic (X7R 4.7 µF Ceramic (X7R), I OUT IN 150 V OUT I 140 OUT 130 +130°C 120 +90°C = 2.5V Adj +25°C 110 0° ...

Page 12

... MCP1826/MCP1826S Note: Unless otherwise indicated, C Temperature = +25° 0.6V, Fixed output. IN OUT 130 I OUT 125 120 115 110 V = 2.5V OUT 105 100 0.8V OUT 90 -45 - Temperature (°C) FIGURE 2-13: Quiescent Current vs. Temperature. 0.50 0. 3. 0.10 0.00 -45 - Temperature (°C) ...

Page 13

... Input Voltage (V) FIGURE 2-21: Short Circuit Current vs. Input Voltage. © 2007 Microchip Technology Inc. MCP1826/MCP1826S = 4.7 µF Ceramic (X7R 4.7 µF Ceramic (X7R), I OUT IN 10.000 1.000 0.100 0.010 1000 0.01 FIGURE 2-22: Density vs. Frequency 1000 mA -10 ...

Page 14

... MCP1826/MCP1826S .Note: Unless otherwise indicated, C Temperature = +25° 0.6V, Fixed output. IN OUT FIGURE 2-25: 2.5V (Adj.) Startup from V FIGURE 2-26: 2.5V (Adj.) Startup from Shutdown. FIGURE 2-27: Power Good (PWRGD) Timing. DS22057A-page 14 = 4.7 µF Ceramic (X7R 4.7 µF Ceramic (X7R), I OUT IN . FIGURE 2-28: ...

Page 15

... The V pin is the regulated output voltage of the OUT LDO. A minimum output capacitance of 1.0 µF is required for LDO stability. The MCP1826/MCP1826S is stable with ceramic, tantalum and aluminum-electro- lytic capacitors. See Section 4.3 “Output Capacitor” for output capacitor selection guidance. © 2007 Microchip Technology Inc. ...

Page 16

... LDO Output Voltage The 5-pin MCP1826 LDO is available with either a fixed output voltage or an adjustable output voltage. The output voltage range is 0.8V to 5.0V for both versions. The 3-pin MCP1826S LDO is available as a fixed voltage device. 4.1.1 ADJUST INPUT The adjustable version of the MCP1826 uses the ADJ pin (pin 5) to get the output voltage feedback for output voltage regulation ...

Page 17

... The power good output is an open-drain output that can be pulled up to any voltage that is equal to or less than the LDO input voltage. This output is capable of sinking 1 < 0.4V maximum). PWRGD © 2007 Microchip Technology Inc. MCP1826/MCP1826S V PWRGD_TH V OUT step load PWRGD ...

Page 18

... V + 0.5V differential applied. The MCP1826/ R MCP1826S LDO has a very low dropout voltage specification of 300 mV (typical) at 1000 mA of output current. See Section 1.0 “Electrical Characteristics” for maximum dropout voltage specifications. The MCP1826/MCP1826S LDO operates across an 400 ns (typ) input voltage range of 2 ...

Page 19

... I VIN PWRGD The total power dissipated within the MCP1826/ MCP1826S is the sum of the power dissipated in the LDO pass device and the P(I CMOS construction, the typical I MCP1826S is 120 µA. Operating at a maximum V 3.465V results in a power dissipation of 0.12 milli-Watts for a 2.5V output. For most applications, this is small compared to the LDO pass device power dissipation and can be neglected ...

Page 20

... MCP1826/MCP1826S The maximum power dissipation capability for a package can be calculated given the junction-to- ambient thermal resistance and the maximum ambient temperature for the application. Equation 5-4 can be used to determine the package maximum internal power dissipation. EQUATION 5- – MAX A MAX P = --------------------------------------------------- ...

Page 21

... D(MAX) DDPAK-5 (31.2°C/Watt Rθ (125°C – 60°C)/ 31.2°C/W D(MAX 2.083W D(MAX) From this table, you can see the difference in maximum allowable power dissipation between the TO-220-5 package and the DDPAK-5 package. © 2007 Microchip Technology Inc. MCP1826/MCP1826S DS22057A-page 21 ...

Page 22

... PACKAGING INFORMATION 6.1 Package Marking Information 3-Lead DDPAK (MCP1826S) XXXXXXXXX XXXXXXXXX YYWWNNN 3-Lead SOT-223 (MCP1826S) XXXXXXX XXXYYWW NNN 3-Lead TO-220 (MCP1826S) XXXXXXXXX XXXXXXXXX YYWWNNN Legend: XX...X Customer-specific information Y Year code (last digit of calendar year) YY Year code (last 2 digits of calendar year) WW Week code (week of January 1 is week ‘01’) ...

Page 23

... Note: In the event the full Microchip part number cannot be marked on one line, it will be carried over to the next line, thus limiting the number of available characters for customer-specific information. © 2007 Microchip Technology Inc. MCP1826/MCP1826S Example: MCP1826 e 1.0EET^^ 3 ...

Page 24

... MCP1826/MCP1826S DS22057A-page 24 © 2007 Microchip Technology Inc. ...

Page 25

... Microchip Technology Inc. MCP1826/MCP1826S DS22057A-page 25 ...

Page 26

... MCP1826/MCP1826S DS22057A-page 26 © 2007 Microchip Technology Inc. ...

Page 27

... Microchip Technology Inc. MCP1826/MCP1826S DS22057A-page 27 ...

Page 28

... MCP1826/MCP1826S DS22057A-page 28 © 2007 Microchip Technology Inc. ...

Page 29

... Microchip Technology Inc. MCP1826/MCP1826S DS22057A-page 29 ...

Page 30

... MCP1826/MCP1826S NOTES: DS22057A-page 30 © 2007 Microchip Technology Inc. ...

Page 31

... APPENDIX A: REVISION HISTORY Revision A (August 2007) • Original Release of this Document. © 2007 Microchip Technology Inc. MCP1826/MCP1826S DS22057A-page 31 ...

Page 32

... MCP1826/MCP1826S NOTES: DS22057A-page 32 © 2007 Microchip Technology Inc. ...

Page 33

... Output Feature Tolerance Voltage Code Device: MCP1826: 1000 mA Low Dropout Regulator MCP1826T: 1000 mA Low Dropout Regulator Tape and Reel MCP1826S: 1000 mA Low Dropout Regulator MCP1826ST: 1000 mA Low Dropout Regulator Tape and Reel Output Voltage *: 08 = 0.8V “Standard” 1.2V “Standard” 1.8V “Standard” ...

Page 34

... MCP1826/MCP1826S NOTES: DS22057A-page 34 © 2007 Microchip Technology Inc. ...

Page 35

... PowerInfo, PowerMate, PowerTool, REAL ICE, rfLAB, Select Mode, Smart Serial, SmartTel, Total Endurance, UNI/O, WiperLock and ZENA are trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. SQTP is a service mark of Microchip Technology Incorporated in the U.S.A. All other trademarks mentioned herein are property of their respective companies. ...

Page 36

... Fax: 886-3-572-6459 Taiwan - Kaohsiung Tel: 886-7-536-4818 Fax: 886-7-536-4803 Taiwan - Taipei Tel: 886-2-2500-6610 Fax: 886-2-2508-0102 Thailand - Bangkok Tel: 66-2-694-1351 Fax: 66-2-694-1350 © 2007 Microchip Technology Inc. EUROPE Austria - Wels Tel: 43-7242-2244-39 Fax: 43-7242-2244-393 Denmark - Copenhagen Tel: 45-4450-2828 Fax: 45-4485-2829 France - Paris Tel: 33-1-69-53-63-20 ...

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