STC7800 Datasheet, PDF (9/11 Pages) Suntac Electronic Corp. – 1.0 A Positive Voltage Regulators

STC7800 Series
3.0
T_J = −40°C
2.5
T_J = 0°C
2.0
1.5
T_J = 85°C
1.0
T_J = 25°C
0.5
T_J = 125°C
0
4.0 6.0 8.0 10 12 15 20 25 30 35 40
V_in−V_out, INPUT/OUTPUT VOLTAGE DIFFERENTIAL (V)
Figure 2. Peak Output Current as a Function of
Input/Output Differential Voltage
80
70
PART # V_in
STMCC7805C = 10 V
60 _{STMCC7806C = 11 V}
ST_MC_{C7808C = 14 V}
STMCC7812C = 19 V
50
STMCC7815C = 23 V
STMCC7818C = 27 V
MC7824C = 33 V
f = 120 Hz
I_O = 20 mA
DV_in = 1.0 V(RMS)
40
4.0 6.0 8.0 10 12 14 16 18 20 22 24
V_O, OUTPUT VOLTAGE (V)
Figure 3. Ripple Rejection as a Function of
Output Voltages
80
70
MSCT78CXX7B8,0C0, AC
60
V_in = 8.0 V to 18 V
I_O = 500 mA
50
f = 120 Hz
T_A = 25°C
40
30
0.01
0.1
1.0
10
f, FREQUENCY (kHz)
Figure 4. Ripple Rejection as a Function of
Frequency
5.0
V_in = 20 V
I_O = 5.0 mA
4.9
4.8
−60
−20
20
60
100
140
180
T_J, JUNCTION TEMPERATURE (°C)
Figure 5. Output Voltage as a Function of
Junction Temperature (STC7805)
10
5.0
f = 120 Hz
3.0
I_O = 500 mA
2.0
C_L = 0 mF
1.0
0.5
0.3
0.2
0.1
4.0
8.0
12
16
20
24
V_O, OUTPUT VOLTAGE (V)
Figure 6. Output Impedance as a Function of
Output Voltage
6.0
V_in = 10 V
4.0
V_O = 5.0 V
I_L = 20 mA
3.0
2.0
1.0
0
−75 −50
−25 0 25 50 75
T_J, JUNCTION TEMPERATURE (°C)
100 125
Figure 7. Quiescent Current as a Function of
Temperature
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