NJM12856DL3-33 [NJRC]

Fixed Positive LDO Regulator, 3.3V, 0.28V Dropout, BIPolar, PSSO5, TO-252, 5 PIN;
NJM12856DL3-33
型号: NJM12856DL3-33
厂家: NEW JAPAN RADIO    NEW JAPAN RADIO
描述:

Fixed Positive LDO Regulator, 3.3V, 0.28V Dropout, BIPolar, PSSO5, TO-252, 5 PIN

文件: 总14页 (文件大小:490K)
中文:  中文翻译
下载:  下载PDF数据表文档文件
NJM12856  
LDO with Reverse Current Protection / Soft Start / Discharge Function  
GENERALDESCRIPTION  
PACKAGE OUTLINE  
The NJM12856 is a low dropout regulator which achieves  
high ripple rejection, low noise and high speed response with  
the bipolar technology.  
Adjustable soft-start function is useful for reducing inrush  
current and controlling power-on sequence. Moreover the  
discharge function makes effective sequence control with the  
soft-start function.  
NJM12856U2  
NJM12856DL3  
In addition, the reverse current protection makes external  
SBD unnecessary.  
FEATURE  
Operating Voltage Range 2.5V ~ 6.5V  
Output VoltageAccuracy  
Output Current  
VO 1.0%  
IO(min.)=1000mA  
Reverse Current Protection  
Adjustable soft-start Function  
Discharge Function  
ON/OFF Control  
Correspond to Low ESR capacitor (MLCC)  
Thermal Shutdown Circuit  
Over Current Protection Circuit  
Package Outline  
SOT-89-5, TO-252-5  
PIN CONFIGRATION  
5
4
3
2
CS  
5
VOUT  
GND  
CS  
1
2
3
V
IN  
VOUT  
GND  
2
4
GND  
3
V
IN  
CONTROL  
1
CONTROL  
NJM12856U2  
BLOCK DIAGRAM  
NJM12856DL3  
VIN  
VOUT  
Reverse  
Current  
Protection  
CONTROL  
Thermal  
Protection  
CS  
Bandgap  
Reference  
Over Current  
Protection  
GND  
Ver.2015-07-21  
- 1 -  
NJM12856  
OUTPUTVOLTAGE RANK LIST  
SOT-89-5  
TO-252-5  
Output  
Voltage  
1.5V  
Output  
Voltage  
1.5V  
Device Name  
Device Name  
NJM12856U2-15  
NJM12856U2-18  
NJM12856U2-25  
NJM12856DL3-15  
NJM12856DL3-18  
NJM12856DL3-25  
1.8V  
1.8V  
2.5V  
3.3V  
5.0V  
2.5V  
3.3V  
5.0V  
NJM12856U2-33  
NJM12856U2-05  
NJM12856DL3-33  
NJM12856DL3-05  
ABSOLUTE MAXIMUM RATINGS  
PARAMETER  
(Ta=25 C)  
SYMBOL  
VIN  
MAXIMUM RATING  
-0.3 ~ +7  
UNIT  
Input Voltage  
V
Control Pin Voltage  
VCONT  
-0.3 ~ +7  
V
-0.3 ~ +5.5  
-0.3 ~ +7  
-0.3 ~ +2.5  
V
V
V
Vo 1.8V  
Vo 1.8V  
Output Voltage  
VOUT  
VCS  
Soft start Pin Voltage  
625(*1)  
2400(*2)  
1190(*1)  
3125(*2)  
SOT-89-5  
TO-252-5  
Power Dissipation  
PD  
mW  
Junction Temperature Range  
Operating Temperature Range  
Storage Temperature Range  
Tj  
Topr  
Tstg  
-40 +150  
-40 +125  
-50 +150  
C
C
C
(*1): Mounted on glass epoxy board. (76.2 114.3 1.6mm:based on EIA/JDEC standard size, 2Layers, Cu area 100mm2)  
(*2): Mounted on glass epoxy board. (76.2 114.3 1.6mm:based on EIA/JDEC standard, 4Layers)  
(For 4Layers: Applying 74.2 74.2mm inner Cu area and a thermal via hole to a board based on JEDEC standard JESD51-5)  
Operating Voltage Range VIN=2.5V ~ 6.5V  
Ver.2015-07-21  
- 2 -  
NJM12856  
ELECTRICALCHARACTERISTICS  
(Unless other noted,  
VIN = VO + 1V, CIN = 0.33µF, CO =0.47µF(CO=1.0µF :2.4V Vo 2.9V, CO=2.2µF :1.7V Vo 2.4V, Co=4.7µF :Vo 1.7V), Cs=0.01µF, Ta = 25°C)  
PARAMETER  
Output Voltage  
SYMBOL  
TEST CONDITION  
IO=200mA  
MIN.  
TYP.  
MAX.  
UNIT  
VO  
IQ  
-1.0%  
-
-
+1.0%  
600  
V
Quiescent Current  
IO = 0mA, except ICONT  
VCONT = 0V  
400  
μA  
Quiescent Current  
at OFF-state  
IQ(OFF)  
-
-
10  
μA  
Output Current  
IO  
1000  
-
-
mA  
VO 0.9  
Line Regulation  
Load Regulation  
Dropout Voltage (*3)  
VIN = VO + 1V ~ 6.5V, Io=200mA  
IO = 0 ~ 1000mA  
IO=600mA  
-
-
-
-
-
0.15  
%/V  
VO/ VIN  
VO/ IO  
VIO  
0.003 %/mA  
0.20  
0.28  
-
V
Average Temperature  
Coefficient of Output Voltage  
-
ppm/ C  
VO/ Ta Ta= -40 ~ +125 C, IO=200mA  
50  
VIN =3.0V  
Vo=1.5V  
-
-
-
-
-
-
-
-
-
-
-
78  
76  
73  
72  
68  
17  
19  
24  
30  
42  
3
-
-
ein=200mVrms,  
Vo=1.8V  
Vo=2.5V  
Vo=3.3V  
Vo=5.0V  
Vo=1.5V  
Vo=1.8V  
Vo=2.5V  
Vo=3.3V  
Vo=5.0V  
f=1kHz, Io=10mA  
Ripple Rejection  
RR  
-
dB  
ein=200mVrms,  
f=1kHz, Io=10mA  
-
-
-
-
f=10Hz ~ 80kHz,  
Io=10mA  
μVrms  
Output Noise Voltage  
Control Current  
VNO  
-
-
-
ICONT  
VCONT =1.6V  
12  
μA  
Control Voltage at  
ON-state  
Control Voltage at  
OFF-state  
VCONT(ON)  
1.6  
-
-
-
-
V
VCONT(OFF)  
tS(ON)  
0.6  
-
V
Soft Start Time  
VCONT=LH, Io=200mA, Cs=0.022μF  
VIN=2.5V, VCONT=0V, VO =0.5V  
VIN=6.5V, VCONT=0V, VO =0.5V  
-
3
1.2  
10  
25  
msec  
Discharge Current  
at OFF-state  
IDIS  
mA  
15  
(*3): Except Output Voltage Rank less than 2.2V  
The above specification is a common specification for all output voltages.  
Therefore, it may be different from the individual specification for a specific output voltage.  
Ver.2015-07-21  
- 3 -  
NJM12856  
POWER DISSIPATION vs.AMBIENTTEMPERATURE  
NJM12856U2PowerDissipation  
(Topr=-40~+125°C,Tj=150°C)  
3000  
2500  
2000  
1500  
1000  
500  
on 4 layers board  
on 2 layers board  
0
-50  
-25  
0
25  
50  
75  
100  
125  
150  
Temperature : Ta(°C)  
NJM12856DL3PowerDissipation  
(Topr=-40~+125°C,Tj=150°C)  
3500  
3000  
2500  
2000  
1500  
1000  
500  
on 4 layers board  
on 2 layers board  
0
-50  
-25  
0
25  
50  
75  
100  
125  
150  
Temperature : Ta(°C)  
TESTCIRCUIT  
IIN  
A
VIN  
VOUT  
(*4)  
0.47μF  
(ceramic)  
IOUT  
VOUT  
V
VIN  
NJM12856  
0.33μF  
(ceramic)  
ICONT  
Cs  
A
CONTROL  
GND  
0.01μF  
(ceramic)  
VCONT  
V
*4: 2.4V<Vo 2.9V version: Co=1.0 F(Ceramic)  
1.7V<Vo 2.4V version: Co=2.2 F(Ceramic)  
Vo 1.7V version: Co=4.7 F(Ceramic)  
Ver.2015-07-21  
- 4 -  
NJM12856  
TYPICALAPPLICATION  
1. In the case where ON/OFF Control is not required  
VIN  
VOUT  
VIN  
VOUT  
(*5)  
0.47μF  
0.33μF  
NJM12856  
Cs  
CONTROL  
GND  
*Connected when soft start  
is Required.  
*5: 2.4V<Vo 2.9V version: Co=1.0 F  
1.7V<Vo 2.4V version: Co=2.2 F  
Vo 1.7V version: Co=4.7 F  
Connect CONTROLPin to VIN Pin  
2. In use of ON/OFF CONTROL  
VIN  
VOUT  
VIN  
VOUT  
(*6)  
0.47μF  
NJM12856  
0.33μF  
Cs  
CONTROL  
GND  
*Connected when soft start  
is Required.  
*6: 2.4V<Vo 2.9V version: Co=1.0 F  
1.7V<Vo 2.4V version: Co=2.2 F  
Vo 1.7V version: Co=4.7 F  
State of CONTROLPin:  
“H” output is enabled.  
“L” or “open” output is disabled  
Ver.2015-07-21  
- 5 -  
NJM12856  
*Reverse Current Protection  
The NJM12856 has built-in Reverse Current Protection circuit.  
This circuit prevents the large reverse current when output voltage is higher than input voltage.  
Therefore external schottky-barrier diode(SBD) is not required  
*Soft Start capacitor Cs  
The Soft Start function can control the rise time of Output Voltage and reduce the inrush current by connecting the Cs  
capacitor.  
The Soft Start time is defined as 10% to 90% of the Output Voltage.  
The Cs capacitor is not essential, but it used for noise bypass of bandgap reference either. Therefore Output Noise Voltage  
increases when the capacitor isn't connected.  
If the Cs capacitor is not used, the Cs Pin should be OPEN.  
NJM12856  
Soft Start Time vs Cs Pin Capacitor  
NJM12856  
Soft Start Time vs Temperature  
100  
10  
3
2.5  
2
@:Ta=25oC  
Vo_rise=10%-90%  
@:Cs=0.022µF  
Vo_rise=10%-90%  
1
1.5  
1
0.1  
0.01  
0.5  
0
0.001  
0.001 0.01  
0.1  
1
10  
100  
1000  
-50 -25  
0
25 50 75 100 125 150  
Temperature: (ºC)  
Cs Pin Capacitor : Cs (nF)  
Soft-StartTime vs. Cs Pin Capacitor  
Soft-StartTime (0.022μF) vs. Temperature  
NJM12856_3.3V  
Output Noise Voltage vs Cs Pin Capacitor  
NJM12856_3.3V  
Inrush Current vs Cs Pin capacitor  
300  
250  
200  
150  
100  
50  
450  
400  
350  
300  
250  
200  
150  
100  
50  
@:Ta=25oC  
VIN=4.3V  
Io=10mA  
CIN=0.33μF(Ceramic)  
Co=0.47μF(Ceramic)  
@:Ta=25ºC  
VIN=4.3V  
Io=30mA  
CIN=0.33μF  
Co=0.47μF  
0
0
0.001 0.01  
0.1  
1
10  
100  
1000  
0.001 0.01  
0.1  
1
10  
100 1000  
Cs Pin Capacitor : Cs (nF)  
Cs Pin Capacitor : Cs (nF)  
Output Noise Voltage vs. Cs Pin Capacitor  
Inrush Current vs. Cs Pin Capacitor  
Ver.2015-07-21  
- 6 -  
NJM12856  
*Discharge Function  
The NJM12856 has a built-in discharge circuit to discharge the charged output capacitors.  
Discharge circuit operates when the CONTROL Pin is set in LOW level. The circuit discharges the charged output  
capacitors rapidly.  
NJM12856_3.3V  
ON/OFF Transient Response without Load  
@Ta=25 C  
10  
5
V =4.3V  
IN  
Io=0mA  
Control Voltage  
CIN=0.33μF  
Co=0.47μF  
Cs=0.01μF  
0
4
3
2
1
0
Output Voltage  
0
4
8
12  
16  
20  
Time t (ms)  
Output Voltage sweep down characteristics by Discharge function  
*Input Capacitor CIN  
The input capacitor CIN is required to prevent oscillation and reduce power supply ripple for applications when high  
power supply impedance or a long power supply line.  
Therefore, use the recommended CIN value (refer to conditions of ELECTRIC CHARACTERISTIC) or larger and  
should connect between GND and VIN as shortest path as possible to avoid the problem.  
*Output Capacitor CO  
The output capacitor CO will be required for a phase compensation of the internal error amplifier.  
The capacitance and the equivalent series resistance (ESR) influence to stable operation of the regulator.  
Use of a smaller CO may cause excess an output noise or an oscillation of the regulator due to lack of the  
phase compensation.  
On the other hand, use of a larger CO reduces an output noise and a ripple output, and also improves an  
output transient response when a load rapidly changes.  
Therefore, use the recommended CO value (refer to conditions of ELECTRIC CHARACTERISTIC) or larger  
and should connect between GND and VOUT as shortest path as possible for stable operation  
The recommended capacitance depends on the output voltage rank. Especially, a low voltage regulator requires  
larger CO value.  
In addition, you should consider varied characteristics of capacitor (a frequency characteristic, a temperature  
characteristic, a DC bias characteristic and so on) and unevenness peculiar to a capacitor supplier enough.  
When selecting CO, recommend that have withstand voltage margin against an output voltage and superior  
temperature characteristics though this product is designed stability works with wide range ESR of capacitor including  
low ESR products.  
Ver.2015-07-21  
- 7 -  
NJM12856  
TYPICALCHARACTERISTICS  
NJM12856_3.3V  
Output Voltage vs Input Voltage  
3.6  
NJM12856_3.3V  
Output Voltage vs Output Current  
4
3.5  
3
@:Ta=25oC  
CIN=0.33 F(Ceramic)  
Co=0.47 F(Ceramic)  
Cs=0.01 F(Ceramic)  
3.5  
3.4  
Ta=-40℃  
2.5  
2
Io=100mA  
Ta=25℃  
3.3  
3.2  
3.1  
3
Io=0A  
Ta=150℃  
1.5  
1
@:VIN=4.3V  
Io=500mA  
CIN=0.33 F(Ceramic)  
Co=0.47 F(Ceramic)  
Cs=0.01 F(Ceramic)  
0.5  
0
Io=1000mA  
3
3.1  
3.2  
3.3  
3.4  
3.5  
3.6  
0
500  
1000  
1500  
2000  
2500  
Input Voltage:VIN (V)  
Output Current : Io (mA)  
NJM12856_3.3V  
GND Pin Current vs Output Current  
NJM12856_3.3V  
Dropout Voltage vs Output Current  
50  
45  
40  
35  
30  
25  
20  
15  
10  
5
0.40  
0.35  
0.30  
0.25  
0.20  
0.15  
0.10  
0.05  
0.00  
@:Ta=25oC  
VIN=4.3V  
CIN=0.33 F(Ceramic)  
Co=0.47 F(Ceramic)  
Cs=0.01 F(Ceramic)  
@:Ta=25oC  
CIN=0.33 F(Ceramic)  
Co=0.47 F(Ceramic)  
Cs=0.01 F(Ceramic)  
0
0
200  
400  
600  
800  
1000  
0
200  
400  
600  
800  
1000  
Output Current : Io (mA)  
Output Current : Io (mA)  
NJM12856_3.3V  
NJM12856_3.3V  
Output Voltage vs Control Voltage  
Control Current vs Control Voltage  
@:Ta=25oC  
30  
25  
20  
15  
10  
5
4
3.5  
3
VIN=4.3V  
CIN=0.33 F(Ceramic)  
Co=0.47 F(Ceramic)  
Cs=0.01 F(Ceramic)  
2.5  
2
1.5  
1
@:Ta=25oC  
VIN=4.3V  
CIN=0.33 F(Ceramic)  
Co=0.47 F(Ceramic)  
Cs=0.01 F(Ceramic)  
0.5  
0
0
0
1
2
3
4
5
6
7
0
0.5  
1
1.5  
2
2.5  
3
Control Voltage:VCONT (V)  
Control Voltage:VCONT (V)  
Ver.2015-07-21  
- 8 -  
NJM12856  
NJM12856_3.3V  
Load Regulation vs Output Current  
NJM12856_3.3V  
Quiescent Current vs Input Voltage  
0
-10  
-20  
-30  
-40  
-50  
-60  
-70  
-80  
6000  
5000  
4000  
3000  
2000  
1000  
0
@:Ta=25oC  
Output is Open  
except ICONT  
CIN=0.33 F(Ceramic)  
Co=0.47 F(Ceramic)  
Cs=0.01 F(Ceramic)  
@:Ta=25oC  
VIN=4.3V  
CIN=0.33 F(Ceramic)  
Co=0.47 F(Ceramic)  
Cs=0.01 F(Ceramic)  
0
4
0
200  
400  
600  
800  
1000  
0
4
0
1
2
3
4
5
6
6.5  
6
7
7
7
Output Current : Io (mA)  
Input Voltage:VIN (V)  
NJM12856_3.3V  
NJM12856_3.3V  
Peak Output Current vs Input Voltage  
Short Circuit Current vs Input Voltage  
3000  
2500  
2000  
1500  
1000  
500  
800  
700  
600  
500  
400  
300  
200  
100  
0
@:Ta=25oC  
VO=0V  
CIN=0.33 F(Ceramic)  
Co=0.47 F(Ceramic)  
Cs=0.01 F(Ceramic)  
@:Ta=25oC  
Vo=2.97V  
CIN=0.33 F(Ceramic)  
Co=0.47 F(Ceramic)  
Cs=0.01 F(Ceramic)  
0
4.5  
5
5.5  
6
6.5  
7
4.5  
5
5.5  
6
Input Voltage:VIN (V)  
Input Voltage:VIN (V)  
NJM12856_3.3V  
NJM12856_3.3V  
Reverse Current vs Input Voltage  
Discharge Current vs Output Voltage  
@Ta=25ºC  
4
3.5  
3
50  
45  
40  
35  
30  
25  
20  
15  
10  
5
@:Ta=25oC  
VIN=VCONT  
Vo=3.3V-7.0V  
CIN=0.33µF(Ceramic)  
Co=0.47µF(Ceramic)  
Cs=0.01µF(Ceramic)  
VCONT=0V  
CIN=0.33µF(Ceramic)  
Co=0.47µF(Ceramic)  
Cs=0.01µF(Ceramic)  
2.5  
2
1.5  
1
Reverse Current  
0.5  
0
-0.5  
-1  
Quiescent Current  
VIN=4.3V  
VIN=7.0V  
-1.5  
-2  
0
1
2
3
4
5
6
7
1
2
3
4
5
Output Voltage:VO (V)  
Input Voltage:VIN (V)  
Ver.2015-07-21  
- 9 -  
NJM12856  
NJM12856_3.3V  
Output Noise Voltage vs Output Current  
NJM12856_3.3V  
Equivalent Serise Resistance vs Output Current  
100  
90  
80  
70  
60  
50  
40  
30  
20  
10  
0
100  
10  
@:Ta=25oC  
VIN=4.3V  
CIN=0.33μF(Ceramic)  
Co=0.47μF(Ceramic)  
Cs=0.01μF(Ceramic)  
1
STABLE REGION  
0.1  
@CIN=0.33μF(Ceramic)  
Co=0.47μF(Ceramic)  
Cs=0.01μF(Ceramic)  
0.01  
0.001 0.01  
0.1  
1
10  
100  
1000  
0.001 0.01  
0.1  
1
10  
100  
1000  
Output Current :Io (mA)  
Output Current : Io (mA)  
NJM12856_3.3V  
Ripple Rejection Ratio vs Output Current  
NJM12856_3.3V  
Ripple Rejection Ratio vs Frequency  
100  
100  
90  
80  
70  
60  
50  
40  
30  
20  
10  
0
90  
80  
70  
60  
50  
40  
30  
20  
10  
0
f=1kHz  
f=10kHz  
@:Ta=25oC  
VIN=4.3V  
ein=200mVrms  
CIN=0.33μF(Ceramic)  
Co=1μF(Ceramic)  
Cs=0.01μF(Ceramic)  
@:Ta=25oC  
VIN=4.3V  
ein=200mVrms  
CIN=0.33μF(Ceramic)  
Co=0.47μF(Ceramic)  
Cs=0.01μF(Ceramic)  
Io=0mA  
Io=10mA  
Io=100mA  
Io=500mA  
Io=30mA  
Io=200mA  
Io=1000mA  
0.01  
0.1  
1
10  
100  
1000  
0.01  
0.1  
1
10  
100  
1000  
Output Current :Io (mA)  
Frequency :f (kHz)  
NJM12856_3.3V  
OutputVoltage vs Temperature  
NJM12856_3.3V  
Dropout Voltage vs Temperature  
3.4  
3.38  
3.36  
3.34  
3.32  
3.3  
0.4  
0.35  
0.3  
@:Io=600mA  
@:VIN=4.3V  
CIN=0.33µF(Ceramic)  
Co=1.0µF(Ceramic)  
Cs=0.01µF(Ceramic)  
CIN=0.33µF(Ceramic)  
Co=1.0µF(Ceramic)  
Cs=0.01µF(Ceramic)  
0.25  
0.2  
3.28  
3.26  
3.24  
3.22  
3.2  
0.15  
0.1  
Io=0mA  
Io=30mA  
Io=200mA  
Io=500mA  
Io=1000mA  
0.05  
0
-50 -25  
0
25 50 75 100 125 150  
Temperature: (ºC)  
-50 -25  
0
25 50 75 100 125 150  
Temperature: (ºC)  
Ver.2015-07-21  
- 10 -  
NJM12856  
NJM12856_3.3V  
Control Voltage vs Temperature  
NJM12856_3.3V  
Control Current vs Temperature  
2
1.8  
1.6  
1.4  
1.2  
1
12  
10  
8
@:VIN=4.3V  
@:VCONT=1.6V  
CIN=0.33µF(Ceramic)  
Co=1.0µF(Ceramic)  
Cs=0.01µF(Ceramic)  
CIN=0.33µF(Ceramic)  
Co=1.0µF(Ceramic)  
Cs=0.01µF(Ceramic)  
6
0.8  
0.6  
0.4  
0.2  
0
4
2
0
-50 -25  
0
25 50 75 100 125 150  
-50 -25  
0
25 50 75 100 125 150  
Temperature: (ºC)  
Temperature: (ºC)  
NJM12856_3.3V  
NJM12856_3.3V  
Quiesent Current vs Temperature  
@:VIN=4.3V  
Discharge Current vs Temperature  
@:VCONT=0V  
600  
500  
400  
300  
200  
100  
0
40  
35  
30  
25  
20  
15  
10  
5
VO=0.5V  
Output is Open  
except ICONT  
CIN=0.33µF(Ceramic)  
Co=1.0µF(Ceramic)  
Cs=0.01µF(Ceramic)  
CIN=0.33µF(Ceramic)  
Co=1.0µF(Ceramic)  
Cs=0.01µF(Ceramic)  
VIN=6.5V  
VIN=2.5V  
0
-50 -25  
0
25 50 75 100 125 150  
Temperature: (ºC)  
-50 -25  
0
25 50 75 100 125 150  
Temperature: (ºC)  
NJM12856_3.3V  
Line Regulation vs Temperature  
NJM12856_3.3V  
Load Regulation vs Temperature  
0.3  
0.25  
0.2  
0.010  
0.009  
0.008  
0.007  
0.006  
0.005  
0.004  
0.003  
0.002  
0.001  
0.000  
@:VIN=4.3V  
Io=0-1000mA  
CIN=0.33µF(Ceramic)  
Co=1.0µF(Ceramic)  
Cs=0.01µF(Ceramic)  
@:VIN=4.3-6.5V  
Io=200mA  
CIN=0.33µF(Ceramic)  
Co=1.0µF(Ceramic)  
Cs=0.01µF(Ceramic)  
0.15  
0.1  
0.05  
0
-0.05  
-0.1  
-50 -25  
0
25 50 75 100 125 150  
Temperature: (ºC)  
-50 -25  
0
25 50 75 100 125 150  
Temperature: Ta (ºC)  
Ver.2015-07-21  
- 11 -  
NJM12856  
NJM12856_3.3V  
Peak Output Current vs Temperature  
NJM12856_3.3V  
Short Circuit Current vs Temperature  
2500  
2000  
1500  
1000  
500  
1000  
900  
800  
700  
600  
500  
400  
300  
200  
100  
0
@:VIN=4.3V  
VO=0V  
CIN=0.33µF(Ceramic)  
Co=1.0µF(Ceramic)  
Cs=0.01µF(Ceramic)  
@:VIN=4.3V  
VO=2.97V  
CIN=0.33µF(Ceramic)  
Co=1.0µF(Ceramic)  
Cs=0.01µF(Ceramic)  
0
-50 -25  
0
25 50 75 100 125 150  
-50 -25  
0
25 50 75 100 125 150  
Temperature: (ºC)  
Temperature: (ºC)  
NJM12856_3.3V  
OutputVoltage vs Temperature  
4
3.5  
3
2.5  
2
1.5  
1
@:VIN=4.3V  
CIN=0.33µF(Ceramic)  
Co=1.0µF(Ceramic)  
Cs=0.01µF(Ceramic)  
0.5  
0
-50 -25  
0
25 50 75 100 125 150 175 200  
Temperature: (ºC)  
Ver.2015-07-21  
- 12 -  
NJM12856  
NJM12856_3.3V  
NJM12856_3.3V  
Load transient Response  
Load transient Response  
@Ta=25 C  
@Ta=25 C  
V =4.3V  
1000  
500  
0
IN  
V =4.3V  
400  
200  
0
IN  
Io=100mA-500mA  
Io=10mA-200mA  
Output Current  
Output Current  
CIN=0.33μF  
Co=4.7μF  
Cs=0.01μF  
CIN=0.33μF  
Co=0.47μF  
Cs=0.01μF  
3.8  
3.8  
3.3  
2.8  
2.3  
3.3  
2.8  
2.3  
Output Voltage  
Output Voltage  
120  
160  
120  
160  
0
40  
80  
200  
0
40  
80  
200  
Time t (μs)  
Time t (μs)  
NJM12856_3.3V  
ON/OFF Transient Response  
NJM12856_3.3V  
Input transient Response  
@Ta=25 C  
@Ta=25 C  
V =4.3-5.3V  
V =4.3V  
IN  
IN  
10  
5
6
5
4
Input Voltage  
Io=200mA  
CIN=0.33μF  
Co=0.47μF  
Cs=0.01μF  
Io=200mA  
CIN=0.33μF  
Co=0.47μF  
Cs=0.01μF  
Control Voltage  
0
4
3
2
1
Output Voltage  
3.35  
3.30  
3.25  
Output Voltage  
0
120  
Time t (μs)  
160  
12  
Time t (ms)  
16  
0
40  
80  
200  
0
4
8
20  
NJM12856_3.3V  
CONTROL_ON Delay Time  
10  
5
Control Voltage  
0
Output Voltage  
4
3
2
1
0
@Ta=25 C  
V =4.3V  
IN  
Io=200mA  
CIN=0.33μF  
Co=0.47μF  
Cs=0.01μF  
0
1
2
3
4
5
Time t (ms)  
Ver.2015-07-21  
- 13 -  
NJM12856  
[CAUTION]  
Thespecificationsonthisdatabookareonly  
givenforinformation,withoutanyguarantee  
asregardseither mistakesoromissions.The  
applicationcircuitsinthisdatabookare  
describedonlytoshowrepresentativeusages  
oftheproductandnotintendedforthe  
guaranteeorpermissionofanyrightincludingthe  
industrialrights.  
Ver.2015-07-21  
- 14 -  

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