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MC78BC30NTR 반도체 회로 부품 판매점

Micropower Voltage Regulator



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MC78BC30NTR 데이터시트, 핀배열, 회로
MC78BC00 Series
Micropower Voltage
Regulator
The MC78BC00 voltage regulators are specifically designed to be
used with an external power transistor to deliver high current with high
voltage accuracy and low quiescent current.
The MC78BC00 series are devices suitable for constructing
regulators with ultra-low dropout voltage and output current in the
range of several tens of mA to hundreds of mA. These devices have a
chip enable function, which minimizes the standby mode current
drain. Each of these devices contains a voltage reference unit, an error
amplifier, a driver transistor and feedback resistors. These devices are
available in the SOT-23, 5 pin surface mount packages.
These devices are ideally suited for battery powered equipment, and
power sources for hand-held audio instruments, communication
equipment and domestic appliances.
Features
Ultra-Low Supply Current (50 mA)
Standby Mode (0.2 mA)
Ultra-Low Dropout Voltage (0.1 V with External Transistor and
IO = 100 mA)
Excellent Line Regulation (Typically 0.1%/V)
High Accuracy Output Voltage (±2.5%)
ORDERING INFORMATION
Device
Output
Voltage
Operating
Temperature Range
Package
MC78BC30NTR
3.0
MC78BC31NTR
3.1
MC78BC33NTR
3.3
MC78BC40NTR
MC78BC43NTR
4.0
TA = -30° to +80°C
SOT-23
4.3
MC78BC45NTR
4.5
MC78BC50NTR
5.0
Other voltages from 2.0 to 6.0 V, in 0.1 V increments, are available. Consult
factory for information.
Ext 4
2
Vin
3
VO
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VOLTAGE REGULATOR
WITH EXTERNAL POWER
TRANSISTOR
5
1
SOT-23
N SUFFIX
PLASTIC PACKAGE
CASE 1212
MARKING
DIAGRAM
5
xx D
1
xx = MC78BC30NTR = K0
= MC78BC31NTR = K1
= MC78BC33NTR = K3
= MC78BC40NTR = L0
= MC78BC43NTR = L3
= MC78BC45NTR = L5
= MC78BC50NTR = M0
D = Date Code
PIN CONNECTIONS
Ground 1
5 CE
Input 2
Output 3
4 Ext
(Top View)
Standard Application
Q
CC
Vref
CE 5
This device contains 13 active transistors.
Figure 1. Representative Block Diagram
© Semiconductor Components Industries, LLC, 2003
January, 2003 - Rev. 4
1
Gnd
1
Input 2
4
3
MC78BCXX
Cin 1
5
Output
CO
Publication Order Number:
MC78BC00/D


MC78BC30NTR 데이터시트, 핀배열, 회로
MC78BC00 Series
MAXIMUM RATINGS (TC = 25°C, unless otherwise noted.)
Rating
Input Voltage
Power Dissipation and Thermal Characteristics
Maximum Power Dissipation
Case 1212 (SOT-23) H Suffix
Thermal Resistance, Junction-to-Ambient
Operating Junction Temperature
Operating Ambient Temperature
Storage Temperature Range
NOTE: ESD data available upon request.
Symbol
VCC
PD
RqJA
TJ
TA
Tstg
Value
10
Unit
Vdc
150
333
125
-30 to +80
-40 to +125
mW
°C/W
°C
°C
°C
ELECTRICAL CHARACTERISTICS (Vin = VO + 1.0 V, IO = 50 mA, TJ = 25°C 9 (Note 1), unless otherwise noted.)
Characteristic
Symbol
Min
Typ
Max
Unit
Output Voltage
MC78BC30NTR
MC78BC31NTR
MC78BC33NTR
MC78BC40NTR
MC78BC43NTR
MC78BC45NT4
MC78BC50NTR
VO V
2.925 3.0 3.075
3.023 3.1 3.178
3.218 3.3 3.382
3.900 4.0 4.100
4.193 4.3 4.408
4.386 4.5 4.613
4.875 5.0 5.125
Line Regulation
VO + 0.5 V Vin 8.0 V
Load Regulation
Vin - VO = 1.0 V
1.0 mA lO 100 mA
Output Current (Note 2)
Vin - VO = 1.0 V
Dropout Voltage
IO = 100 mA
Supply Current
Vin = 8.0 V
Vin - VO = 1.0 V
IO = 0 (at no load)
Supply Current (Standby)
Vin = 8.0 V
Ext Leakage Current
Chip Enable Input Logic Voltage
Logic “0” (Regulator “On”)
Logic “1” (Regulator “Off”)
Regline
Regload
lO
Vin - VO
lss
0
-
-
-
-
lstandby
lLK
VCE
0.1
-
0
1.5
0.1
40
1000
100
50
0.3 mV
60 mV
- mA
200 mV
80 mA
0.2 1.0 mA
- 0.5 mA
V
- 0.25
- 8.0
Chip Enable Input Current
VCE = 0.25 V
VCE = 1.5 V
lCEL
mA
-5.0 -3.0 -0.1
- - 0.1
Output Voltage Temperature Coefficient
TC
-
±100
- ppm/°C
1. Low duty pulse techniques are used during test to maintain junction temperature as close to ambient as possible.
2. The output current depends upon the performance of External PNP Transistor. Use External PNP Transistor of a low saturation type, with
an HFE of 100 or more.
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