MC79L12ACDR2G Datasheet, PDF (4/11 Pages) ON Semiconductor – 100 mA Negative Voltage Regulators

MC79L00A Series
ELECTRICAL CHARACTERISTICS (V_I = −27 V, I_O = 40 mA, C_I = 0.33 mF, C_O = 0.1 mF, −40°C < T_J +125°C (for MC79LXXAB),
0°C < T_J < +125°C (for MC79LXXAC), unless otherwise noted).
MC79L18AC
Characteristics
Symbol
Min
Typ
Max
Unit
Output Voltage (T_J = +25°C)
V_O
−17.3
−18
−18.7
Vdc
Input Regulation (T_J = +25°C)
−20.7 Vdc ≥ V_I ≥ −33 Vdc
−21.4 Vdc ≥ V_I ≥ −33 Vdc
−22 Vdc ≥ V_I ≥ −33 Vdc
−21 Vdc ≥ V_I ≥ −33 Vdc
Reg_line
−
−
−
−
mV
−
325
−
−
−
−
−
275
Load Regulation
T_J = +25°C, 1.0 mA ≤ I_O ≤ 100 mA
1.0 mA ≤ I_O ≤ 40 mA
Reg_load
−
−
mV
−
170
−
85
Output Voltage
−20.7 Vdc ≥ V_I ≥ −33 Vdc, 1.0 mA ≤ I_O ≤ 40 mA
−21.4 Vdc ≥ V_I ≥ −33 Vdc, 1.0 mA ≤ I_O ≤ 40 mA
V_I = −27 Vdc, 1.0 mA ≤ I_O ≤ 70 mA
Input Bias Current
(T_J = +25°C)
(T_J = +125°C)
V_O
Vdc
−17.1
−
−18.9
−
−
−
−17.1
−
−18.9
I_IB
−
−
mA
−
6.5
−
6.0
Input Bias Current Change
−21 Vdc ≥ V_I ≥ −33 Vdc
−27 Vdc ≥ V_I ≥ −33 Vdc
1.0 mA ≤ I_O ≤ 40 mA
I_IB
−
−
−
mA
−
1.5
−
−
−
0.1
Output Noise Voltage (T_A = +25°C, 10 Hz ≤ f ≤ 100 kHz)
V_n
−
150
−
mV
Ripple Rejection (−23 ≤ V_I ≤ −33 Vdc, f = 120 Hz, T_J = +25°C)
Dropout Voltage I_O = 40 mA, T_J = +25°C
RR
33
48
|V_I−V_O|
−
1.7
−
dB
−
Vdc
ELECTRICAL CHARACTERISTICS (V_I = −33 V, I_O = 40 mA, C_I = 0.33 mF, C_O = 0.1 mF, −40°C < T_J +125°C (for MC79LXXAB),
0°C < T_J < +125°C (for MC79LXXAC), unless otherwise noted).
MC79L24AC
Characteristics
Symbol
Min
Typ
Max
Unit
Output Voltage (T_J = +25°C)
V_O
−23
−24
−25
Vdc
Input Regulation (T_J = +25°C)
−27 Vdc ≥ V_I ≥ −38 Vdc
−27.5 Vdc ≥ V_I ≥ −38 Vdc
−28 Vdc ≥ V_I ≥ −38 Vdc
Reg_line
−
−
−
mV
−
350
−
−
−
300
Load Regulation
T_J = +25°C, 1.0 mA ≤ I_O ≤ 100 mA
1.0 mA ≤ I_O ≤ 40 mA
Reg_load
−
−
mV
−
200
−
100
Output Voltage
−27 Vdc ≥ V_I ≥ −38 V, 1.0 mA ≤ I_O ≤ 40 mA
−28 Vdc ≥ V_I ≥ −38 Vdc, 1.0 mA ≤ I_O ≤ 40 mA
V_I = −33 Vdc, 1.0 mA ≤ I_O ≤ 70 mA
V_O
Vdc
−22.8
−
−25.2
−
−
−
−22.8
−
−25.2
Input Bias Current
(T_J = +25°C)
(T_J = +125°C)
I_IB
−
−
mA
−
6.5
−
6.0
Input Bias Current Change
−28 Vdc ≥ V_I ≥ −38 Vdc
1.0 mA ≤ I_O ≤ 40 mA
DI_IB
−
−
mA
−
1.5
−
0.1
Output Noise Voltage (T_A = +25°C, 10 Hz ≤ f ≤ 100 kHz)
Ripple Rejection (−29 ≤ V_I ≤ −35 Vdc, f = 120 Hz, T_J = +25°C)
Dropout Voltage I_O = 40 mA, T_J = +25°C
V_n
−
200
RR
31
47
|V_I−V_O|
−
1.7
−
mV
−
dB
−
Vdc
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