STC7800 Datasheet, PDF (3/11 Pages) Suntac Electronic Corp. – 1.0 A Positive Voltage Regulators

STC7800 Series
ELECTRICAL CHARACTERISTICS (V_in = 10 V, I_O = 1.0 A, T_J = T_low to T_high (Note 1), unless otherwise noted)
STC7805
Characteristic
Symbol
Min
Typ
Max
Unit
Output Voltage (T_J = 25°C)
Output Voltage (5.0 mA ≤ I_O ≤ 1.0 A, P_D ≤ 15 W)
7.5 Vdc ≤ V_in ≤ 20 Vdc
Line Regulation (Note 2)
7.5 Vdc ≤ V_in ≤ 25 Vdc, I_O = 500 mA
8.0 Vdc ≤ V_in ≤ 12 Vdc, I_O = 1.0 A
8.0 Vdc ≤ V_in ≤ 12 Vdc, I_O = 1.0 A, T_J = 25°C
7.3 Vdc ≤ V_in ≤ 20 Vdc, I_O = 1.0 A, T_J = 25°C
Load Regulation (Note 2)
5.0 mA ≤ I_O ≤ 1.5 A, T_J = 25°C
5.0 mA ≤ I_O ≤ 1.0 A
250 mA ≤ I_O ≤ 750 mA
Quiescent Current
Quiescent Current Change
8.0 Vdc ≤ V_in ≤ 25 Vdc, I_O = 500 mA
7.5 Vdc ≤ V_in ≤ 20 Vdc, T_J = 25°C
5.0 mA ≤ I_O ≤ 1.0 A
Ripple Rejection
8.0 Vdc ≤ V_in ≤ 18 Vdc, f = 120 Hz, I_O = 500 mA
Dropout Voltage (I_O = 1.0 A, T_J = 25°C)
Output Noise Voltage (T_A = 25°C)
10 Hz ≤ f ≤ 100 kHz
V_O
4.9
V_O
4.8
Reg_line
−
−
−
−
Reg_load
−
−
−
I_B
−
DI_B
−
−
−
RR
68
V_I − V_O
−
V_n
−
5.0
5.0
0.5
0.8
1.3
4.5
1.3
0.8
0.53
3.2
0.3
−
0.08
83
2.0
10
5.1
Vdc
5.2
Vdc
mV
10
12
4.0
10
mV
25
25
15
6.0
mA
mA
0.8
0.8
0.5
−
dB
−
Vdc
−
mV/V_O
Output Resistance (f = 1.0 kHz)
r_O
−
0.9
−
mW
Short Circuit Current Limit (T_A = 25°C)
V_in = 35 Vdc
I_SC
−
0.2
−
A
Peak Output Current (T_J = 25°C)
I_max
−
2.2
−
A
Average Temperature Coefficient of Output Voltage
TCV_O
−
−0.3
−
mV/°C
1. T_low = 0°C for STC7800 Series
T_high = +125°C for STC7800 Series
= *40°C for STC7800 Series
2. Load and line regulation are specified at constant junction temperature. Changes in V_O due to heating effects must be taken into account
separately. Pulse testing with low duty cycle is used.
3