MCP1727-3302E/SN Microchip Technology, MCP1727-3302E/SN Datasheet

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MCP1727-3302E/SN

Manufacturer Part Number
MCP1727-3302E/SN
Description
IC REG LDO 1.5A 3.3V 8SOIC
Manufacturer
Microchip Technology
Datasheets

Specifications of MCP1727-3302E/SN

Package / Case
8-SOIC (3.9mm Width)
Regulator Topology
Positive Fixed
Voltage - Output
3.3V
Voltage - Input
Up to 6V
Voltage - Dropout (typical)
0.33V @ 1.5A
Number Of Regulators
1
Current - Output
1.5A (Min)
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Number Of Outputs
1
Polarity
Positive
Input Voltage Max
6 V
Output Voltage
3.3 V
Output Type
Fixed
Dropout Voltage (max)
0.55 V at 1.5 A
Output Current
1.5 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
Primary Input Voltage
3.85V
Output Voltage Fixed
3.3V
Dropout Voltage Vdo
330mV
No. Of Pins
8
Voltage Regulator Case Style
SOIC
Operating Temperature Range
-40°C To
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Current - Limit (min)
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
MCP1727-3302E/SN
Manufacturer:
MICROCHIP
Quantity:
12 000
Features
• 1A 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:
• Low Dropout Voltage: 220 mV Typical at 1A
• Typical Output Voltage Tolerance: 0.4%
• Stable with 1.0 µF Ceramic Output Capacitor
• Fast response to Load Transients
• Low Supply Current: 140 µA (typ)
• Low Shutdown Supply Current: 0.1 µA (typ)
• Adjustable Delay on Power Good Output
• Short Circuit Current Limiting and
• 3x3 DFN-8 and SOIC-8 Package Options
Applications
• High-Speed Driver Chipset Power
• Networking Backplane Cards
• Notebook Computers
• Network Interface Cards
• Palmtop Computers
• 2.5V to 1.XV Regulators
Package Types
© 2007 Microchip Technology Inc.
SHDN
GND
- 0.8V, 1.2V, 1.8V, 2.5V, 3.3V, 5.0V
Overtemperature Protection
1A, Low Voltage, Low Quiescent Current LDO
V
V
Adjustable (SOIC-8)
IN
IN
1
2
3
4
8
7
6
5
V
ADJ
C
PWRGD
OUT
DELAY
SHDN
GND
V
V
IN
IN
Fixed (SOIC-8)
1
2
3
4
8
7
6
5
V
V
C
PWRGD
OUT
OUT
DELAY
SHDN
GND
Adjustable (3x3 DFN)
V
V
IN
IN
Description
The MCP1726 is a 1A Low Dropout (LDO) linear
regulator that provides high current and low output
voltages in a very small package. The MCP1726
comes in a fixed (or adjustable) output voltage version,
with an output voltage range of 0.8V to 5.0V. The 1A
output current capability, combined with the low output
voltage capability, make the MCP1726 a good choice
for new sub-1.8V output voltage LDO applications that
have high current demands.
The MCP1726 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 MCP1726 is typically less than
140 µA over the entire input voltage range, making it
attractive for portable computing applications that
demand high output current. When shut down, the
quiescent current is reduced to less than 0.1 µA.
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). An
external capacitor can be used on the C
adjust the delay from 1 ms to 300 ms.
The overtemperature and short circuit current-limiting
provide additional protection for the LDO during system
fault conditions.
1
2
3
4
MCP1726
8
7
6
5
V
ADJ
C
PWRGD
OUT
DELAY
SHDN
GND
V
V
IN
IN
Fixed (3x3 DFN)
Regulator
1
2
3
4
DS21936C-page 1
DELAY
8
7
6
5
V
V
C
PWRGD
OUT
OUT
DELAY
pin to

Related parts for MCP1727-3302E/SN

MCP1727-3302E/SN Summary of contents

Page 1

... DELAY GND 4 5 PWRGD GND 4 © 2007 Microchip Technology Inc. MCP1726 Description The MCP1726 Low Dropout (LDO) linear regulator that provides high current and low output voltages in a very small package. The MCP1726 comes in a fixed (or adjustable) output voltage version, with an output voltage range of 0.8V to 5.0V. The 1A ...

Page 2

... MCP1726 Fixed Output Voltage OUT OUT 3 SHDN C 6 DELAY 4 GND PWRGD 5 MCP1726 Adjustable Output Voltage OUT ADJ IN 3 SHDN C 6 DELAY 4 GND PWRGD 1. OUT µ 100 kΩ 1000 pF PWRGD OUT kΩ µ 100 kΩ kΩ 1000 pF PWRGD © 2007 Microchip Technology Inc. ...

Page 3

... Functional Block Diagram V IN Undervoltage Lock Out (UVLO) SHDN Overtemperature Sensing V IN SHDN Soft-Start GND © 2007 Microchip Technology Inc. PMOS I SNS Driver w/limit EA and SHDN – SHDN V REF Reference Comp 92 REF MCP1726 V OUT ADJ PWRGD T DELAY C DELAY DS21936C-page 3 ...

Page 4

... Peak Current LOAD 2. 6.0V OUT 6.0V ADJ ppm/°C Note 3 V Note 1A 2.3V OUT IN(MIN) (Note 5) DROPOUT. is the desired set point output R is the highest voltage measured over the ). Exceeding the maximum allowable power © 2007 Microchip Technology Inc. ...

Page 5

... The junction temperature is approximated by soaking the device under test at an ambient temperature equal to the desired junction temperature. 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 0.5V) or 2.3V, whichever is greater, I ...

Page 6

... J T — — +150 J T -65 — +150 A θ — 41 — JA θ — 150 — JA Units Conditions °C Steady State °C Transient °C °C/W 4-Layer JC51-7 Standard Board with vias °C/W 4-Layer JC51-7 Standard Board © 2007 Microchip Technology Inc. ...

Page 7

... OUT 140 V = 5.0V IN 130 2.5V IN 120 110 100 Temperature (°C) FIGURE 2-3: Quiescent Current vs. Junction Temperature (1.2V Adjustable). © 2007 Microchip Technology Inc 0.5V and T = +25°C. OUT OUT A 0.05 0.04 0.03 0.02 0.01 0 -0.01 -0.02 5.3 5.8 FIGURE 2-4: Temperature (1 ...

Page 8

... Input Voltage (V) Quiescent Current vs. Input V =3.3V OUT OUT +125°C +25°C -40°C Input Voltage (V) Quiescent Current vs. Input = 2.3V for 0.8V device V =3.3V OUT V =0.8V OUT 200 400 600 800 1000 Load Current (mA) Ground Current vs. Load © 2007 Microchip Technology Inc. ...

Page 9

... OUT 0.005 0 I =500 mA OUT -0.005 -0.01 -0.015 I =100 mA OUT -0.02 -0.025 Temperature (°C) FIGURE 2-15: Line Regulation vs. Temperature (0.8V Fixed) © 2007 Microchip Technology Inc 0.5V and T = +25°C. OUT OUT A 0.025 V OUT 0.02 0.015 0.01 0.005 0 -0.005 -0.01 FIGURE 2-16: Temperature (3 ...

Page 10

... Frequency (kHz) Output Noise Voltage V = 1.2V OUT V = 2. 100 1000 Frequency (kHz) Power Supply Ripple = 1.2V OUT V = 1.2V OUT V = 2. 100 1000 Frequency (kHz) Power Supply Ripple = 1.2V OUT © 2007 Microchip Technology Inc. ...

Page 11

... OUT 0 0.01 0 Frequency (kHz) FIGURE 2-26: Power Supply Ripple Rejection (PSRR) vs. Frequency (V Fixed). V OUT PWRGD V IN FIGURE 2-27: 2.5V (Adj.) Startup from V © 2007 Microchip Technology Inc 0.5V and T = +25°C. OUT OUT 2.5V OUT OUT SHDN 100 1000 FIGURE 2-28 ...

Page 12

... OUT OUT A V OUT µ µF OUT I OUT V IN FIGURE 2-33: (2.5V Fixed 1000 mA). V OUT µ µF OUT I OUT V IN FIGURE 2-34: (2.5V Fixed, 100 mA to 1000 mA). Dynamic Load Response Dynamic Load Response © 2007 Microchip Technology Inc. ...

Page 13

... For fixed output voltage versions greater than 2.5V, the hysteresis is 0.7%. The PWRGD output is delayed on power-up by 200 µs (typical, no capaci- tance on C pin). This delay time is controlled by DELAY the C pin. DELAY © 2007 Microchip Technology Inc. Table 3-1. Name Description V Input Voltage Supply IN V ...

Page 14

... ESR of 50 milli-ohms. Larger LDO output capacitors can be used with the R 2 MCP1726 to improve dynamic performance and power supply ripple rejection performance. A maximum of 22 µF is recommended. capacitors are not recommended for low-temperature applications of < -25° Aluminum-electrolytic © 2007 Microchip Technology Inc. ...

Page 15

... Figure 4-3. © 2007 Microchip Technology Inc. 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 ...

Page 16

... LDO. For applications with input voltages near 2.3V, these PCB trace voltage drops can sometimes lower the input voltage enough to trigger a shutdown due to undervoltage lockout. Figure 4-5 for a timing diagram 400 ns (typ) 70 µs Shutdown Input Timing © 2007 Microchip Technology Inc. ...

Page 17

... The junction temperature of the die is a function of power dissipation, ambient temperature and package thermal resistance. See Section 5.0 “Application Circuits/Issues” for more information on LDO power dissipation and junction temperature. © 2007 Microchip Technology Inc. MCP1726 DS21936C-page 17 ...

Page 18

... LDO pin with no IN LDO output current (LDO quiescent current) ) term. Because of the CMOS construc- for the MCP1726 is 140 µA. GND C To estimate ° the JA C/W. ° × Rθ TOTAL JA AMAX temperature ambient © 2007 Microchip Technology Inc. ...

Page 19

... Rise in device junction temperature J(RISE) over the ambient temperature T = Ambient temperature A © 2007 Microchip Technology Inc. 5.3 Typical Application Internal power dissipation, junction temperature rise, junction temperature and maximum power dissipation is calculated in the following example. The power dissi- pation as a result of ground current is small enough to be neglected ...

Page 20

... DFN package. The exposed tab of the DFN package provides a very good thermal path from the die of the LDO to the PCB. The PCB then acts like a heatsink, providing more area to distribute the heat generated by the LDO. DS21936C-page 20 © 2007 Microchip Technology Inc. ...

Page 21

... 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. Example Voltage Code Option ...

Page 22

... BSC A 0.80 A1 0.00 A3 0.20 REF D 3.00 BSC E2 0.00 E 3.00 BSC D2 0.00 b 0.25 L 0. NOTE NOM MAX 8 0.90 1.00 0.02 0.05 – 1.60 – 2.40 0.30 0.35 0.30 0.55 – – Microchip Technology Drawing C04-062B © 2007 Microchip Technology Inc. ...

Page 23

... Dimensions D and E1 do not include mold flash or protrusions. Mold flash or protrusions shall not exceed 0.15 mm per side. 4. Dimensioning and tolerancing per ASME Y14.5M. BSC: Basic Dimension. Theoretically exact value shown without tolerances. REF: Reference Dimension, usually without tolerance, for information purposes only. © 2007 Microchip Technology Inc ...

Page 24

... MCP1726 NOTES: DS21936C-page 24 © 2007 Microchip Technology Inc. ...

Page 25

... System (PIS) section. Revision B (March 2005) The following is the list of modifications: 1. Replaced 3x3 DFN package diagram. 2. Emphasized (bolded) a few specifications of Section 1.0 “Electrical Characteristics” in the DC Characteristics table. Revision A (February 2005) • Original Release of this Document. © 2007 Microchip Technology Inc. MCP1726 DS21936C-page 25 ...

Page 26

... MCP1726 NOTES: DS21936C-page 26 © 2007 Microchip Technology Inc. ...

Page 27

... Tolerance 2 = 2.0% Temperature Range E = -40°C to +125°C Package * SN = Plastic SOIC, (150 mil Body) 8-Lead MF = Plastic Dual Flat No Lead, 3x3 mm Body (DFN), 8-Lead *Both packages are Lead Free. © 2007 Microchip Technology Inc. Examples MCP1726-0802E/MF: 0.8V, 1A LDO, Temp. Package Range b) MCP1726-1202E/SN: 1.20V, 1A LDO, c) MCP1726T-1802E/MF:Tape and Reel, 1 ...

Page 28

... MCP1726 NOTES: DS21936C-page 28 © 2007 Microchip Technology Inc. ...

Page 29

... 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 30

... 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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