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MIC2205-1.38YML-TR

2MHz 600mA PWM Synchronous Buck Regulator -w/LowQ® Mode.

Manufacturer:

Microchip
Mfr.Part #:

MIC2205-1.38YML-TR
Datasheet:

MIC2205-1.38YML-TR Datasheet (PDF)
Mounting Style:

SMD/SMT
Topology:

Buck
Moisture Sensitive:

Yes
Factory Pack Quantity:

5000

Email: [email protected]

Skype: live:.cid.ab6b29428937b76

Tel: +852 95804164

MIC2205-1.38YML-TR General Description

The MIC2205 is a high efficiency 2MHz PWM synchronous buck (step-down) regulator that features a LowQ^® size, and high efficiency solution for portable power applications.

In PWM mode, the MIC2205 operates with a constant frequency 2MHz PWM control. Under light load conditions, such as in system sleep or standby modes, the PWM switching operation can be disabled to reduce switching losses. In this light load LowQ^® mode, the LDO maintains the output voltage and draws only 18µA of quiescent current. The LDO mode of operation saves battery life while not introducing spurious noise and high ripple as experienced with pulse skipping or bursting mode regulators.

The MIC2205 operates from 2.7V to 5.5V input and features internal power MOSFETs that can supply up to 600mA output current in PWM mode. It can operate with a maximum duty cycle of 100% for use in low-dropout conditions.

Key Features

2.7V to 5.5V supply voltage
18µA quiescent current
Low noise, 75mVrms
Output current to 600mA
>95% efficiency
100% maximum duty cycle
Fixed output voltage option available
Ultra-fast transient response
Stable with 1µF ceramic output capacitor
Fully integrated MOSFET switches
40ºC to 125ºC junction temperature range
Thermal shutdown and current limit protection

Specifications

Product Category	Switching Voltage Regulators	Mounting Style	SMD/SMT
Topology	Buck	Moisture Sensitive	Yes
Product Type	Switching Voltage Regulators	Factory Pack Quantity	5000
Subcategory	PMIC - Power Management ICs	Part # Aliases	MIC2205-1.38YML TR