MIC2124YMM datasheet(4/24 Pages) MICREL

4 / 24 page

Micrel, Inc.

MIC2124

June 2010

M9999-060810-D

Parameter

Conditions

Min

Typ

Max

Units

FET Drivers

DH, DL Output Low Voltage

ISINK = 10mA

0.1

DH, DL Output High Voltage

ISOURCE = 10mA, measured the difference

between VBST-VDH, VIN-VDL

0.1

DH On-Resistance, High State

Ω

DH On-Resistance, Low State

1.5

Ω

DL On-Resistance, High State

Ω

DL On-Resistance, Low State

Ω

LX, BST, HSD Leakage Current

TA = 25°C

µA

Thermal Protection

Over-temperature Shutdown

160

°C

Over-temperature Shutdown

Hysteresis

°C

Shutdown Control

EN/COMP Logic Level High

3V < VIN <5.5V

0.5

0.4

EN/COMP Logic Level Low

3V < VIN <5.5V

0.4

0.25

EN/COMP Hysteresis

3V < VIN <5.5V

EN/COMP Pull-up Current

VEN/COMP = 0V

100

µA

Notes:

1. Exceeding the absolute maximum rating may damage the device.

2. The device is not guaranteed to function outside its operating rating.

3. The maximum allowable power dissipation of any TA is PD(max) = (TJ(max)-TA) / θJA. Exceeding the maximum allowable power dissipation will result in

excessive die temperature, and the regulator will go into thermal shutdown.

4. Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5k in series with 100pF.

5. Specification for packaged product only.

6. The application is fully functional at low IN (supply of the control section) if the external MOSFETs have enough low voltage VTH.

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