MIC24052 Datasheet, PDF (5/34 Pages) Micrel Semiconductor – 12V, 6A High-Efficiency Buck Regulator

MIC24052
TABLE 1-1: ELECTRICAL CHARACTERISTICS (CONTINUED)
Electrical Characteristics: PV_IN = V_IN = V_EN = 12V, V_BST – V_SW = 5V; T_A = 25°C, unless noted. Bold values
indicate –40°C ≤ T_J ≤ +125°C. (Note 1).
Parameters
Sym. Min. Typ. Max. Units
Conditions
Internal FETs
Top-MOSFET R_DS(ON)
Bottom-MOSFET R_DS(ON)
SW Leakage Current
V_IN Leakage Current
—
—
42
—
mΩ
—
—
12.5
—
mΩ
—
—
—
60
µA
—
—
—
25
µA
I_SW = 3A
I_SW = 3A
V_EN = 0V
V_EN = 0V
Power Good (PG)
Power Good Threshold Voltage
Power Good Hysteresis
Power Good Delay Time
Power Good Low Voltage
—
85
92
95 %V_OUT Sweep V_FB from Low to High
—
—
5.5
— %V_OUT Sweep V_FB from High to Low
—
—
100
—
µs Sweep V_FB from Low to High
—
—
70
200 mV
Sweep V_FB < 0.9 x V_NOM,
I_PG = 1 mA
Thermal Protection
Overtemperature Shutdown
Overtemperature Shutdown
Hysteresis
—
—
160
—
°C
—
—
15
—
°C
T_J Rising
—
Note 1:
2:
3:
Specification for packaged product only.
Measured in test mode.
The maximum duty-cycle is limited by the fixed mandatory off-time (t_OFF) of typically 300 ns.
 2016 Microchip Technology Inc.
DS20005659A-page 5