MIC28303 Datasheet, PDF (5/38 Pages) Microchip Technology – 50V, 3A Power Module

MIC28303
TABLE 1-1: ELECTRICAL CHARACTERISTICS (CONTINUED)
Electrical Characteristics: PV_IN = V_IN = 12V, V_OUT = 5V, V_BST – V_SW = 5V; T_A = 25°C, unless noted. Bold values
indicate –40°C ≤ T_J ≤ +125°C. (Note 1).
Parameters
Min.
Typ.
Max.
Units
Conditions
Current-Limit Source Current
60
80
100
µA V_FB = 0.79V
Short-Circuit Source Current
27
36
47
V_FB = 0V
Leakage
SW, BSTR Leakage Current
—
—
50
µA —
Power Good
Power Good Threshold
Voltage
Power Good Hysteresis
Power Good Delay Time
Power Good Low Voltage
Thermal Protection
Overtemperature Shutdown
Overtemperature Shutdown
Hysteresis
85
90
95
%V_OUT Sweep V_FB from low-to-high
—
6
—
—
100
—
—
70
200
Sweep V_FB from high-to-low
µs Sweep V_FB from low-to-high
mV V_FB < 90% x V_NOM, I_PG = 1 mA
—
160
—
—
4
—
°C T_J rising
—
Output Characteristic
Output Voltage Ripple
Line Regulation
Load Regulation
—
16
—
—
0.36
—
—
0.75
—
—
0.05
—
Output Voltage Deviation from
—
400
—
Load Step
mV I_OUT = 3A
%
PV_IN = V_IN = 7V to 50V, I_OUT = 3A
%
I_OUT = 0A to 3A PV_IN= V_IN =12V
(MIC28303-1)
I_OUT = 0A to 3A PV_IN= V_IN =12V
(MIC28303-2)
mV I_OUT from 0A to 3A at 5 A/µs
(MIC28303-1)
—
500
—
—
400
—
I_OUT from 3A to 0A at 5 A/µs
(MIC28303-1)
I_OUT from 0A to 3A at 5 A/µs
(MIC28303-2)
—
500
—
Note 1: Specification for packaged product only.
I_OUT from 3A to 0A at 5 A/µs
(MIC28303-2)
 2016 Microchip Technology Inc.
DS20005464A-page 5