MIC24085 Datasheet, PDF (4/16 Pages) Micrel Semiconductor – Integrated FET Buck Regulator

Micrel, Inc.
Electrical Characteristics⁽⁴⁾ (Continued)
VVCC = 12V; TA = 25°C, unless noted. Bold values indicate −40°C ≤ TJ ≤ +125°C.
Parameter
Condition
Internal MOSFET
High Side On-Resistance
ISW = 1A
Low Side On-Resistance
ISW = 1A
Overcurrent Protection
Current-Limit Threshold
VFB = 0.9V
Power Good
Power Good Threshold Voltage
Sweep VFB from Low-to-High
Power Good Hysteresis
Sweep VFB from High-to-Low
Power Good Low Voltage
VFB < 90% x VNOM, IPG = -0.3mA
Power Good Recovery Hold Time
PG recovery after power
restoration
Thermal Protection
Overtemperature Shutdown
TJ Rising
Overtemperature Shutdown Hysteresis
Min.
3.4
91
9
MIC24085
Typ. Max.
Units
135
mΩ
90
mΩ
3.8
4.4
A
93
95
%VOUT
1.5
%VOUT
50
100
mV
11
12
ms
170
°C
10
°C
October 22, 2013
4
Revision 1.1