MCP1826S-3302E/EB datasheet, PDF

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MCP1826S-3302E/EB: DescriptionLow dropout voltage regulator 1A CMOS LDO Vout 3.3V ETR; CategoryPower/power management The power supply circuit; File Size724KB，39 Pages; ManufacturerMicrochip; Websitehttps://www.microchip.com; Environmental Compliance

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MCP1826S-3302E/EB Overview

Low dropout voltage regulator 1A CMOS LDO Vout 3.3V ETR

MCP1826S-3302E/EB Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Parts packaging code	TO-252
package instruction	TO-263, SMSIP3H,.55TB
Contacts	3
Reach Compliance Code	compliant
ECCN code	EAR99
Factory Lead Time	10 weeks
Adjustability	FIXED
Maximum drop-back voltage 1	0.4 V
Nominal dropback voltage 1	0.25 V
Maximum absolute input voltage	6.5 V
Maximum input voltage	6 V
Minimum input voltage	3.7825 V
JESD-30 code	R-PSSO-G3
JESD-609 code	e3
length	10.16 mm
Maximum grid adjustment rate	0.02442%
Maximum load regulation	0.033%
Humidity sensitivity level	1
Number of functions	1
Output times	1
Number of terminals	3
Working temperatureTJ-Max	125 °C
Working temperature TJ-Min	-40 °C
Maximum output current 1	1 A
Maximum output voltage 1	3.3825 V
Minimum output voltage 1	3.2175 V
Nominal output voltage 1	3.3 V
Package body material	PLASTIC/EPOXY
encapsulated code	TO-263
Encapsulate equivalent code	SMSIP3H,.55TB
Package shape	RECTANGULAR
Package form	SMALL OUTLINE
Peak Reflow Temperature (Celsius)	245
Certification status	Not Qualified
Regulator type	FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
Maximum seat height	5.08 mm
surface mount	YES
technology	CMOS
Terminal surface	Matte Tin (Sn)
Terminal form	GULL WING
Terminal pitch	2.54 mm
Terminal location	SINGLE
Maximum time at peak reflow temperature	40
Maximum voltage tolerance	2.5%
width	9.017 mm
Base Number Matches	1

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MCP1826/MCP1826S

1000 mA, Low-Voltage, Low Quiescent Current

LDO Regulator

Features:

• 1000 mA Output Current Capability

• Input Operating Voltage Range: 2.3V to 6.0V

• Adjustable Output Voltage Range: 0.8V to 5.0V

(MCP1826 only)

• Standard Fixed Output Voltages:

- 0.8V, 1.2V, 1.8V, 2.5V, 3.0V, 3.3V, 5.0V

• Other Fixed Output Voltage Options Available

Upon Request

• 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)

(MCP1826 only)

• Fixed Delay on Power Good Output

(MCP1826 only)

• Short Circuit Current Limiting and

Overtemperature Protection

• TO-263-5 (DDPAK-5), TO-220-5, SOT-223-5

Package Options (MCP1826).

• TO-263-3 (DDPAK-3), TO-220-3, SOT-223-3

Package Options (MCP1826S).

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.

Applications:

•

High-Speed Driver Chipset Power

Networking Backplane Cards

Notebook Computers

Network Interface Cards

Palmtop Computers



2007-2013 Microchip Technology Inc.

DS22057B-page 1

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