Datasheet

MC78M00, MC78M00A, NCV78M00 Series
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6
MC78M20C/B ELECTRICAL CHARACTERISTICS (V
I
= 29 V, I
O
= 350 mA, T
J
= T
low
to T
high
, P
D
≤ 5.0 W,
unless otherwise noted) (Note 6)
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
DI
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 -
mV
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
DV
O
/DT
- ±0.5 - mV/°C
(I
O
= 5.0 mA)
Peak Output Current I
O
- 700 - mA
(T
J
= 25°C)
MC78M24C/B ELECTRICAL CHARACTERISTICS (V
I
= 33 V, I
O
= 350 mA, T
J
= T
low
to T
high
, P
D
≤ 5.0 W,
unless otherwise noted) (Note 6)
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
DI
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 -
mV
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
DV
O
/DT
- ±0.5 - mV/°C
(I
O
= 5.0 mA)
Peak Output Current I
O
- 700 - mA
(T
J
= 25°C)
6. T
low
=0°C for MC78MxxAC, C T
high
= +125°C for MC78MxxAB, AC, B, C
= -40°C for MC78MxxAB, B