NJU7241 반도체 회로 부품 판매점
1.8 ~ 6.0 / SOT-23(MTP5)
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NJU7241 Series
High-Precision LDO 60mA C-MOS Voltage Regulator with Standby
s GENERAL DESCRIPTION
The NJU7241 series are high precision ±2%, 60mA
output, C-MOS voltage regulators with standby function,
which contains internal accurate voltage reference, error
amplifier, control transistor, output voltage setting resistor,
short current protection circuit and standby circuit.
The fixed regulation voltages of internal circuits are as
following line-up.
The NJU7241 series packed MTP5 and suitable for
battery-operated items, battery back-up systems, and es-
pecially control block of cellular phone system because of
low operating current and low dropout voltage.
s PACKAGE OUTLINE
NJU7241F
s FEATURES
• High Precision Output Voltage ±2%
• Low Operating Current
20µA typ.
• Low Standby Current
0.1µA typ.
• Low Dropout Voltage
• Ripple Rejection
0.2V typ. VOUT=3V
55dB typ. @1kHz
• Standby Function
• Small Temperature Coefficient of Output Voltage
• Wide Operating Voltage Range
• Package Outline
MTP-5
• C-MOS Technology
s OUTPUT VOLTAGE LINE-UP
Output Voltage
1.8V
2.4V
2.5V
2.55V
2.8V
2.85V
2.9V
3.0V
3.3V
Type
NJU7241F18
NJU7241F24
NJU7241F25
NJU7241F255
NJU7241F28
NJU7241F285
NJU7241F29
NJU7241F30
NJU7250F33
Output Voltage
3.4V
3.5V
3.6V
4.0V
4.5V
5.0V
5.9V
6.0V
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Type
NJU7250F34
NJU7241F35
NJU7241F36
NJU7241F40
NJU7241F45
NJU7241F50
NJU7241F59
NJU7241F60
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Planning Voltage: 2.4V, 3.5V, 3.6V, 4.0V and 6.0V
s TERMINAL DESCRIPTION
No. Symbol
Function
1 GND GND
2 VIN Input
3
VOUT
Output
4 NC None Connection
Standby: Internal Pull-down
5 STB H: Regulation
L: Standby, Output off
s PIN CONFIGURATION
15
2
34
J
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s EQUIVALENT CIRCUIT
VIN 2
Short Current
Protection Circuit
NJU7241 Series
3 VOUT
STB 5
-
+
VREF
GND 1
GND
s ABSOLUTE MAXIMUM RATINGS
(Ta=25°C)
Parameter
Input Voltage
Input Voltage
Output Voltage
Output Current
Power Dissipation
Operating Temperature
Storage Temperature
Symbol
VIN
VSTB
VOUT
IOUT
PD
Topr
Tstg
s ELECTRICAL CHARACTERISTICS
Ratings
15
GND-0.3 ∼ VIN+0.3
GND-0.3 ∼ VIN+0.3
120
200
-40 ∼ +85
-40 ∼ +125
Unit
V
V
V
mA
mW
°C
°C
•VO=1.8V
Parameter
Output Voltage
Dropout Voltage
Input Voltage
Operating Current
Standby Current
Input Current
Load Regulation
Line Regulation
Ripple Rejection
H Level Input Voltage
L Level Input Voltage
•VO=2.4V
Parameter
Output Voltage
Dropout Voltage
Input Voltage
Operating Current
Standby Current
Input Current
Load Regulation
Line Regulation
Ripple Rejection
H Level Input Voltage
L Level Input Voltage
Symbol
VO
∆VIO
VIN
IDD1
IDD2
ISTB
∆VO/∆IO
∆VO/∆VIN
RR
VSTBH
VSTBL
Symbol
VO
∆VIO
VIN
IDD1
IDD2
ISTB
∆VO/∆IO
∆VO/∆VIN
RR
VSTBH
VSTBL
(CIN=0.1µF, CO=10µF, Ta=25°C)
Condition
MIN. TYP. MAX. Unit
VIN=2.8V, IO=30mA
IO=15mA
1.764 1.800 1.836
0.2 0.3
14
V
V
V
VIN=2.8V, VSTB=VIN, No Load
VIN=2.8V, VSTB=GND
20 40
0.1 1.0
µA
µA
VIN=2.8V, VSTB=VIN
VIN=2.8V, 1mA≦IO≦60mA
0.56 1.12
200 300
µA
mV
VIN=2.8V∼12V
VIN=2.8V, ein=0.5Vp-p, 1kHz
0.10 %/V
55 dB
1.5 VIN V
0 0.25 V
(CIN=0.1µF, CO=10µF, Ta=25°C)
Condition
MIN. TYP. MAX. Unit
VIN=3.4V, IO=30mA
IO=30mA
2.352 2.400 2.448
0.2 0.3
14
V
V
V
VIN=3.4V, VSTB=VIN, No Load
VIN=3.4V, VSTB=GND
20 40
0.1 1.0
µA
µA
VIN=3.4V, VSTB=VIN
VIN=3.4V, 1mA≦IO≦60mA
0.9 1.8
200 300
µA
mV
VIN=3.4V∼12V
VIN=3.4V, ein=0.5Vp-p, 1kHz
0.10 %/V
55 dB
1.5 VIN V
0 0.25 V
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