MCP1826S-ADJ02E/AT datasheet, PDF

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MCP1826S-ADJ02E/AT: Description3.3 V FIXED POSITIVE LDO REGULATOR, 0.4 V DROPOUT, PDSO5; Categorysemiconductor Power management; File Size826KB，38 Pages; ManufacturerMicrochip; Websitehttps://www.microchip.com

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MCP1826S-ADJ02E/AT Overview

3.3 V FIXED POSITIVE LDO REGULATOR, 0.4 V DROPOUT, PDSO5

MCP1826S-ADJ02E/AT Parametric

Parameter Name	Attribute value
Minimum input voltage	3.78 V
Maximum input voltage	6 V
Number of functions	1
Number of terminals	5
Processing package description	PLASTIC, SOT-223, 5 PIN
each_compli	Yes
EU RoHS regulations	Yes
China RoHS regulations	Yes
state	Active
Adjustment type	FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
Adjustable	FIXED
dropout_voltage1_nom	0.2500 V
Maximum voltage difference 1	0.4000 V
input_voltage_absolute_max	6.5 V
jesd_30_code	R-PDSO-G5
jesd_609_code	e3
load_regulation_max	0.0330 V
moisture_sensitivity_level	1
Number of outputs	1
erating_temperature,_tj_mi	-40 Cel
erating_temperature,_tj_max	125 Cel
Maximum output current 1	1 A
Rated output voltage 1	3.3 V
Minimum output voltage 1	3.22 V
Maximum output voltage 1	3.38 V
Packaging Materials	PLASTIC/EPOXY
ckage_code	SOP
ckage_equivalence_code	SOT-223-5
packaging shape	RECTANGULAR
Package Size	SMALL OUTLINE
eak_reflow_temperature__cel_	260
qualification_status	COMMERCIAL
seated_height_max	1.8 mm
sub_category	Other Regulators
surface mount	YES
Craftsmanship	CMOS
terminal coating	MATTE TIN
Terminal form	GULL WING
Terminal spacing	1.27 mm
Terminal location	DUAL
ime_peak_reflow_temperature_max__s_	40
voltage_tolerance_max	2.5 %
length	6.5 mm
width	3.5 mm

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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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