MIC2179YSM

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> Semiconductors - ICs

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Details for Microchip Technology

MIC2179YSM

1.5A 200kHz Synchronous Switcher
Buy Directly from Microchip Technology (7370 in Stock)
$3.7000 per unit
Series Information for MIC2179YSM - Microchip Technology

Description

DC-DC CONV BUCK 200KHZ SSOP-20
The Micrel MIC2179 is a 200kHz synchronous buck (step- down) switching regulator designed for high-efficiency, bat- tery-powered applications. TheMIC2179operatesfroma4.5Vto16.5Vinputandfeatures internal power MOSFETs that can supply up to 1.5A output current. It can operate with a maximum duty cycle of 100% for use in low-dropout conditions. It also features a shutdown mode that reduces quiescent current to less than 5µA. The MIC2179 achieves high efficiency over a wide output current range by operating in either PWM or skip mode. The operating mode is externally selected, typically by an intel- ligentsystem,whichchoosestheappropriatemodeaccording to operating conditions, efficiency, and noise requirements. The switching frequency is preset to 200kHz and can be synchronized to an external clock signal of up to 300kHz. The MIC2179 uses current-mode control with internal current sensing. Current-mode control provides superior line regula- tionandmakestheregulatorcontrolloopeasytocompensate. The output is protected with pulse-by-pulse current limiting andthermalshutdown. Undervoltagelockoutturnstheoutput off when the input voltage is less than 4.5V. The MIC2179 and is packaged in a 20-lead SSOP package with an operating temperature range of –40°C to +85°C.

Specifications

Topology:
Synchronous Buck (Step Down)
Input Voltage Min:
4.5V
Input Voltage Max:
16.5V
No. of Outputs:
1Outputs
DC / DC Converter IC Case:
SSOP
No. of Pins:
20Pins
Output Current:
1.5A
Output Voltage Min:
1.25V
Output Voltage Max:
16.5V
Switching Frequency:
200kHz
Operating Temperature Max:
85°C
Product Range:
-
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 2 - 1 year
SVHC:
No SVHC (15-Jan-2018)

Alternate Descriptions

Avnet America

Conv DC-DC Single Step Down 4.5V 16.5V 20-Pin SSOP Tube

Microchip Technology Inc

1.5A 200kHz Synchronous Switcher

Avnet Europe

Conv DC-DC Single Step Down 4.5V 16.5V 20-Pin SSOP Tube

Future Electronics

MIC2179 Series 16.5 V 200 kHz 1.5 A Synchronous Buck Regulator - SSOP-20