Datasheet

MC78M00, MC78M00A Series
http://onsemi.com
6
MC78M20C ELECTRICAL CHARACTERISTICS (V
I
= 29 V, I
O
= 350 mA, 0°C < T
J
< 125°C, P
D
≤ 5.0 W, unless otherwise noted.)
Characteristics
Symbol Min Typ Max Unit
Output Voltage (T
J
= 25°C) V
O
19.2 20 20.8 Vdc
Output Voltage Variation V
O
19 – 21 Vdc
(23 Vdc ≤ V
I
≤ 35 Vdc, 5.0 mA ≤ I
O
≤ 350 mA)
Line Regulation Reg
line
– 10 50 mV
(T
J
= 25°C, 23 Vdc ≤ V
I
≤ 35 Vdc, I
O
= 200 mA)
Load Regulation Reg
load
mV
(T
J
= 25°C, 5.0 mA ≤ I
O
≤ 500 mA) – 30 400
(T
J
= 25°C, 5.0 mA ≤ I
O
≤ 200 mA) – 10 200
Input Bias Current (T
J
= 25°C) I
IB
– 3.2 6.5 mA
Quiescent Current Change ∆I
IB
mA
(23 Vdc ≤ V
I
≤ 35 Vdc, I
O
= 200 mA) – – 0.8
(5.0 mA ≤ I
O
≤ 350 mA) – – 0.5
Output Noise Voltage (T
A
= 25°C, 10 Hz ≤ f ≤ 100 kHz) V
n
– 110 – µV
Ripple Rejection RR dB
(I
O
= 100 mA, f = 120 Hz, 24 V ≤ V
I
≤ 34 V) 52 – –
(I
O
= 300 mA, f = 120 Hz, 24 V ≤ V
I
≤ 34 V, T
J
= 25°C) 52 70 –
Dropout Voltage V
I
–V
O
– 2.0 – Vdc
(T
J
= 25°C)
Short Circuit Current Limit (T
J
= 25°C, V
I
= 35 V) I
OS
– 50 – mA
Average Temperature Coefficient of Output Voltage ∆V
O
/∆T – ±0.5 – mV/°C
(I
O
= 5.0 mA)
Peak Output Current I
O
– 700 – mA
(T
J
= 25°C)
MC78M24C ELECTRICAL CHARACTERISTICS (V
I
= 33 V, I
O
= 350 mA, 0°C < T
J
< 125°C, P
D
≤ 5.0 W, unless otherwise noted.)
Characteristics Symbol Min Typ Max Unit
Output Voltage (T
J
= 25°C) V
O
23 24 25 Vdc
Output Voltage Variation V
O
22.8 – 25.2 Vdc
(27 Vdc ≤ V
I
≤ 38 Vdc, 5.0 mA ≤ I
O
≤ 350 mA)
Line Regulation Reg
line
– 10 50 mV
(T
J
= 25°C, 27 Vdc ≤ V
I
≤ 38 Vdc, I
O
= 200 mA)
Load Regulation Reg
load
mV
(T
J
= 25°C, 5.0 mA ≤ I
O
≤ 500 mA) – 30 480
(T
J
= 25°C, 5.0 mA ≤ I
O
≤ 200 mA) – 10 240
Input Bias Current (T
J
= 25°C) I
IB
– 3.2 7.0 mA
Quiescent Current Change ∆I
IB
mA
(27 Vdc ≤ V
I
≤ 38 Vdc, I
O
= 200 mA) – – 0.8
(5.0 mA ≤ I
O
≤ 350 mA) – – 0.5
Output Noise Voltage (T
A
= 25°C, 10 Hz ≤ f ≤ 100 kHz) V
n
– 170 – µV
Ripple Rejection RR dB
(I
O
= 100 mA, f = 120 Hz, 28 V ≤ V
I
≤ 38 V) 50 – –
(I
O
= 300 mA, f = 120 Hz, 28 V ≤ V
I
≤ 38 V, T
J
= 25°C) 50 70 –
Dropout Voltage V
I
–V
O
– 2.0 – Vdc
(T
J
= 25°C)
Short Circuit Current Limit (T
J
= 25°C) I
OS
– 50 – mA
Average Temperature Coefficient of Output Voltage ∆V
O
/∆T – ±0.5 – mV/°C
(I
O
= 5.0 mA)
Peak Output Current I
O
– 700 – mA
(T
J
= 25°C)