MIC2875 Datasheet, PDF (8/24 Pages) Microchip Technology – 4.8A ISW, Synchronous Boost Regulator with Bi-Directional Load Disconnect

MIC2875
2.40
RISING
2.30
2.20
2.10
FALLING
2.00
-50 -25
FIGURE 2-7:
Temperature.
0
25 50 75 100 125 150
TEMPERATURE (℃)
UVLO Threshold vs.
1.20
1.00
RISING
0.80
FALLING
0.60
-50 -25
FIGURE 2-8:
Temperature.
0
25 50 75 100 125 150
TEMPERATURE (℃)
Enable Threshold vs.
4.80
4.60
4.40
ADJUSTABLE
R2 = 910kΩ
R3 = 200kΩ
V_OUT = 5.0V
4.20
4.00
RISING
FALLING
3.80
-50 -25
FIGURE 2-9:
Temperature.
0
25 50 75 100 125 150
TEMPERATURE (℃)
Power Good Threshold vs.
V_SW
(5V/div)
V_/PG
(2V/div)
V_OUT
(1V/div)
(AC-COUPLED)
V_IN = 3.5V, V_OUT = 5.0V
L = 1μH, I_OUT = 0A TO 1.2A
I_OUT
(1A/div)
FIGURE 2-10:
Time (100μs/div)
Load Transient (0A to 1.2A).
.
V_SW
(5V/div)
V_/PG
(2V/div)
V_OUT
(1V/div)
(AC-COUPLED)
I_OUT
(1A/div)
FIGURE 2-11:
.
V_IN = 3.5V, V_OUT = 5.0V
L = 1μH, I_OUT = 1.2A TO 0A
Time (100μs/div)
Load Transient (1.2A to 0A).
V_IN
(2V/div)
V_OUT
(500mV/div)
(AC-COUPLED)
V_OUT
(5V/div)
I_L
(2A/div)
FIGURE 2-12:
3.5V).
V_IN = 2.5V TO 3.5V
V_OUT = 5.0V
L = 1μH
I_OUT = 1A
Time (100μs/div)
Line Transient (2.5V to
DS20005549A-page 8
 2015 Microchip Technology Inc.