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Details for MIC2124YMM by Microchip Technology
MIC2124
MIC2124YMM
Buy Directly from Microchip Technology Inc (6380 in stock) $1.4000
Synch Buck Controller with Adaptive On-Time Control
MIC2124YMM image

MIC2124YMM by Microchip Technology

Synch Buck Controller with Adaptive On-Time Control
Features
+3V to +18V input voltage
25A output current capability
Any Capacitor™ stable
Zero ESR to high ESR
Output down to 0.8V with ±1% FB accuracy
Up to 94% efficiency
300kHz switching frequency
All N-Channel MOSFET design
Shutdown feature with EN/COMP
No current-sense resistor needed
Internal 4ms digital soft-start
Thermal shutdown
Pre-bias output safe
Cycle-by-Cycle foldback current-limit protection
10-pin MSOP package
-40°C to +125°C junction temperature range
Description

The MIC2124 is a member of the Hyper Speed Control™ family of DC-DC controllers. It uses an adaptive on-time current mode control scheme and operates at a constant frequency.

The MIC2124 operates over a supply range of +3V to +18V, and is independent of the IC supply voltage VIN. It operates at a fixed 300kHz switching frequency and can be used to provide up to 25A of output current. The output voltage is adjustable down to +0.8V.

The MIC2124 includes an EN/COMP pin that can be pulled low to shut down the converter. The MIC2124 optimizes performance and ensures stability with external compensation.

The UVLO is provided to ensure proper operation under power-sag conditions and to make sure that the external power MOSFET has enough voltage to work with. An internal digital soft-start ensures reduced inrush current. Cycle-by-cycle current limiting ensures FET protection.

The MIC2124 is available in a 10-pin MSOP package with a junction temperature operating range from -40°C to +125°C.

Specifications
Supported Topologies:
Sync. Buck
Supported Outputs:
1
Minimum Input Voltage (V):
3
Maximum Input Voltage (V):
18
Minimum Output Voltage (V):
0.8
Typical Tolerance (%):
±1
Duty Cycle Max (%):
0.91
Operating Frequency (Hz):
300K
Soft Start:
True
Internal Voltage Bias:
True
Enable Pin:
True
Current Limit / Short Circuit Protection:
True
Input UVLO Typ (V):
2.7
Operating Supply Current (mA):
1.4
Iq Off (µA):
1
Package:
10/MSOP
Temperature Range:
-40C to +125C
Alternate Descriptions
SYNCH BUCK CONTROLLER WITH ADAPTIVE ON-TIME CONTROL 10 MSOP 3X3X1.0MM TUBE Newark Electronics
SYNCH BUCK CONTROLLER WITH ADAPTIVE ON-TIME CONTROL Avnet America
PMIC; DC/DC converter; Uoper:3÷18V; Uout:0.8÷5.5V; MSOP10; buck Transfer Multisort Elektronik
Synch Buck Controller with Adaptive On-Time Control Microchip Technology Inc
MIC2124 Series 18 V 300 kHz 25 A Synchronous Buck Controller - MSOP-10 Future Electronics
Similar Part
Details for MIC2124YMM by Microchip Technology
MIC2124
MIC2124YMM
Buy Directly from Microchip Technology Inc (6380 in stock) $1.4000
IC BUCK CNTRL SYNCHR 10MSOP
MIC2124YMM image

MIC2124YMM by Microchip Technology

IC BUCK CNTRL SYNCHR 10MSOP
Features
10-pin MSOP package
25A output current capability
300kHz switching frequency
All N-Channel MOSFET design
Any Capacitor TM stable
Cycle-by-Cycle foldback current-limit protection
Internal 4ms digital soft-start
No current-sense resistor needed
Output down to 0.8V with u00b11% FB accuracy
Pre-bias output safe
Shutdown feature with EN/COMP
Thermal shutdown
Up to 94% efficiency
Zero ESR to high ESR
u201340u00baC to +125u00baC
Part Information
MIC2124YMM image
RoHS Compliant
Description
The Micrel MIC2124 is a member of the Hyper Speed Contro™l family of DC-DC controllers. It uses an adaptive on-time current mode control scheme and operates at a constant frequency. The MIC2124 operates over a supply range of +3V to +18V, and is independent of the IC supply voltage VIN. It operates at a fixed 300kHz switching frequency and can be used to provide up to 25A of output current. The output voltage is adjustable down to +0.8V. The MIC2124 includes an EN/COMP pin that can be pulled low to shut down the converter. The MIC2124 optimizes performance and ensures stability with external compensation. The UVLO is provided to ensure proper operation under power-sag conditions and to make sure that the external power MOSFET has enough voltage to work with. An internal digital soft-start ensures reduced inrush current. Cycle-by-cycle current limiting ensures FET protection. The MIC2124 is available in a 10-pin MSOP package with a junction temperature operating range from –40ºC to +125ºC.
Specifications
Supply Voltage Min:
3V
Supply Voltage Max:
18V
No. of Outputs:
1 Output, 1Outputs
Duty Cycle (%):
93%
Controller IC Case Style:
MSOP
No. of Pins:
10Pins
Switching Frequency:
360kHz
Topology:
Synchronous Buck (Step Down)
Operating Temperature Min:
-40°C
Operating Temperature Max:
125°C
Product Range:
-
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
-
SVHC:
No SVHC (15-Jan-2018)
Frequency:
300kHz
Operating Temperature Range:
-40°C to +125°C
Output Current:
25A
Primary Input Voltage:
18V
Alternate Descriptions
SYNCH BUCK CONTROLLER WITH ADAPTIVE ON-TIME CONTROL 10 MSOP 3X3X1.0MM TUBE Newark Electronics
SYNCH BUCK CONTROLLER WITH ADAPTIVE ON-TIME CONTROL Avnet America
PMIC; DC/DC converter; Uoper:3÷18V; Uout:0.8÷5.5V; MSOP10; buck Transfer Multisort Elektronik
Synch Buck Controller with Adaptive On-Time Control Microchip Technology Inc
MIC2124 Series 18 V 300 kHz 25 A Synchronous Buck Controller - MSOP-10 Future Electronics