GM7230 Datasheet, PDF (8/12 Pages) List of Unclassifed Manufacturers – 3A STEP-DOWN VOLTAGE REGULATOR

GM7230
Typical Performance Characteristics
Figure 2. Switch Saturation Voltage
1.4
V_IN = 12V
1.3
1.2
1.1
T_J = - 40°C
1.0
0.9
0.8 _25°C
0.7
125 °C
0.6
0
1
2
3
4
SWITCH CURRENT (A)
Figure 3. Switch Current Limit
5.5
V_IN = 12V
V_OUT = 5V
5.0
4.5
4.0
3.5
-50 -25 0 25 50 75 100 125
JUNCTION TEMPERATURE (°C)
Figure 4. Dropout Voltage
1.6
L = 33 µH
R_IND = 0.04W
1.4
V_OUT = V_REG -50mV
1.2
1.0
I_LOAD = 1A
0.8
I_LOAD = 3A
0.6
-50 -25 0 25 50 75 100 125
JUNCTION TEMPERATURE (°C)
Figure 5. Operating Quiescent Current
24
4.5V < V_IN < 40V
20
SWITCH = 0
16
Switch ON
12
8
Switch OFF
4
0
-50 -25 0 25 50 75 100 125
JUNCTION TEMPERATURE (°C)
Figure 6. Shutdown Quiescent Current
120
V_{ON / OFF} = 5V
100
T_J = 25°C
80
T_J = -40°C AND 125°C
60
40
20
0
0
10
20
30
40
SUPPLY VOLTAGE (V)
Figure 7. Minimum Operating Supply Voltage
5
4
3
2
1 _{VOUT = 1.23V}
I_LOAD = 120 mA
0
-50 -25 0 25 50 75 100 125
JUNCTION TEMPERATURE (°C)
8