MIC2875 Datasheet, PDF (4/24 Pages) Microchip Technology – 4.8A ISW, Synchronous Boost Regulator with Bi-Directional Load Disconnect

MIC2875
TABLE 1-1: ELECTRICAL CHARACTERISTICS (Note 1)
Electrical Characteristics: V_IN = 3.6V, V_OUT = 5V, C_IN = 4.7 μF, C_OUT = 22 μF, L = 1 μH T_A = 25°C, bold values are
valid for –40°C  T_J  +125°C Unless otherwise indicated.
Parameters
Sym.
Min.
Typ.
Max.
Units
Conditions
Power Supply
Supply Voltage Range
UVLO Rising Threshold
UVLO Hysteresis
Quiescent Current
V_IN
V_UVLOR
V_UVLOH
I_VIN
V_IN Shutdown Current
I_VINSD
V_OUT Shutdown Current I_VOUTSD
Output Voltage
Feedback Voltage
Voltage Accuracy
Line Regulation
V_OUT
V_FB
—
—
2.5
—
—
2.32
—
200
—
1
—
1
—
2
V_IN
—
0.8865 0.9
1.5
—
—
0.3
Load Regulation
Maximum Duty Cycle
Minimum Duty Cycle
Low-side Switch Current
Limit
Switch On-Resistance
—
D_MAX
D_MIN
I_LS
PMOS
—
0.2
—
92
—
6.5
3.8
4.8
—
79
NMOS
—
82
Switch Leakage Current I_SW
(Note 2)
—
0.2
Minimum Switching
Frequency
F_SWMIN
—
45
Oscillator Frequency
Overtemperature
Shutdown Threshold
Overtemperature
Shutdown Hysteresis
F_OSC
T_SD
1.6
2
—
155
—
15
Soft-Start
Soft-Start Time
T_SS
—
1.1
Note 1: Specification for packaged product only.
2: Guaranteed by design and characterization.
5.5
2.49
—
—
3
5
5.5
0.9135
+1.5
—
—
—
—
5.8
—
—
5
—
2.4
—
—
—
V—
V—
mV —
mA Operating at minimum
switching frequency
μA V_EN = 0V, V_IN = 5.5V, V_OUT =
0V
μA V_EN = 0V, V_IN = 0.3V, V_OUT =
5.5V
V—
V Adjustable version, I_OUT = 0A
% Fixed version, I_OUT = 0A
%/V 2.5V < V_IN < 4.5V, I_OUT =
500 mA
%/A I_OUT = 200 mA to 1200 mA
%—
%—
A V_IN = 2.5V
mΩ V_IN = 3.0V, I_SW = 200 mA,
V_OUT = 5.0V
mΩ V_IN = 3.0V, I_SW = 200 mA,
V_OUT = 5.0V
μA V_EN = 0V, V_IN = 5.5V
kHz I_OUT = 0 mA
MHz —
—
°C
—
ms ^VOUT ^{= 5.0V}
DS20005549A-page 4
 2015 Microchip Technology Inc.