AP1156ADS14

更新时间:2024-09-18 22:04:20
品牌:AKM
描述:Negative Input / Output Voltage LDO Regulator

AP1156ADS14 概述

Negative Input / Output Voltage LDO Regulator

AP1156ADS14 数据手册

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[AP1156ADSXX]  
AP1156ADSXX  
Negative Input / Output Voltage LDO Regulator  
1. Genaral Description  
AP1156ADS series is a negative-input negative-output regulator IC using silicon monolithic bipolar structure  
which can supply 150mA output current. The output voltage can be set from -1.3 to -1.5V, which is trimmed  
in high accuracy. AP1156ADS is supplied with ON/OFF terminal and noise reduction terminal. The ON/OFF  
control can be controlled directly with positive logic or CPU. The over current, thermal and reverse bias  
protections are integrated.  
2.Features  
Available to use a small 1.0μF ceramic capacitor  
Dropout Voltage  
VDROP=160mV at 100mA  
150mA  
Output Current  
High Precision output voltage  
Wide operating voltage range  
2.0% or 60mV  
-2.8V to -17.0V  
Very low quiescent current  
On/Off control (High active)  
IQUT=155A at IOUT=0mA  
Built-in Short circuit protection, thermal shutdown  
Built-in reverse bias over current protection  
Available very low noise application  
Very small surface mount package  
SOT23-5  
3.Applications  
Battery Powered Systems  
DSC, CCD bias, GaAs bias  
014011333-E-00  
- 1 -  
2014/10  
 
 
 
[AP1156ADSXX]  
4.Table of Contents  
1. Genaral Description ....................................................................................................................................1  
2. Features.......................................................................................................................................................1  
3. Applications ................................................................................................................................................1  
4. Table of Contents........................................................................................................................................2  
5. Block Diagram ............................................................................................................................................3  
6. Ordering Information ..................................................................................................................................4  
7. Pin Configurations and Functions...............................................................................................................4  
8. Absolute Maximum Ratings .......................................................................................................................5  
9. Recommended Operating Conditions .........................................................................................................5  
10. Electrical Characteristics.........................................................................................................................6  
■ Electrical Characteristics (Ta=Tj=25°C) ....................................................................................................6  
■ Electrical Characteristics (Ta=-40°C~85°C) ..............................................................................................7  
11. Description ..............................................................................................................................................8  
11.1 DC Characteristics...............................................................................................................................8  
11.2 Temperature Characteristic................................................................................................................10  
11.3 Load Transient...................................................................................................................................12  
11.4 ON/OFF Transient .............................................................................................................................13  
11.5 Line Transient....................................................................................................................................14  
11.6 Ripple Rejection ................................................................................................................................16  
11.7 ESR Stability......................................................................................................................................18  
11.8 Operating Region and Power Dissipation..........................................................................................19  
11.9 Application hint .................................................................................................................................20  
12. Definition of term..................................................................................................................................21  
13. Test Circuit............................................................................................................................................22  
■Test Circuit.................................................................................................................................................22  
14. Package..................................................................................................................................................23  
■ Outline Dimensions...................................................................................................................................23  
15. Revise History .......................................................................................................................................24  
IMPORTANT NOTICE ...................................................................................................................................25  
014011333-E-00  
- 2 -  
2014/10  
 
[AP1156ADSXX]  
5.Block Diagram  
90k  
Cont  
Vout  
Bandgap  
Reference  
VEE  
Over Heat  
&
Over Current  
Protection  
Np  
GND  
Control:High Level On  
Figure 1. Block Diagram  
014011333-E-00  
- 3 -  
2014/10  
[AP1156ADSXX]  
6.Ordering Information  
AP1156ADSXX  
-40 to 85°C  
SOT23-5  
Output Voltage Code  
For product name, please check the below chart. Please contact your authorized ASAHI KASEI  
MICRODEVICES representative for voltage availability.  
AP1156ADSXX  
Output voltage code  
Table 1. Standard Voltage Version, Output Voltage & Voltage Code  
XX  
13  
VOUT  
-1.3  
15  
-1.5  
Table 2. Optional Voltage Version, Output Voltage & Voltage Code  
XX  
VOUT  
14  
-1.4  
7.Pin Configurations and Functions  
5
1
4
3
(Top View)  
2
014011333-E-00  
- 4 -  
2014/10  
[AP1156ADSXX]  
Condition  
8.Absolute Maximum Ratings  
Parameter  
Supply Voltage  
Symbol  
Vin  
min  
-20  
max  
0.4  
Unit  
V
|Vin|+|Vcont|20V  
Cont Terminal Voltage  
Vcont  
-0.4  
5
V
|Vin|+|Vcont|19V  
Reverse Bias Voltage  
Power Dissipation  
Junction temperature  
Storage Temperature Range  
Vrev  
PD  
Tj  
-20  
-
-
0.3  
500  
150  
150  
V
mW  
C  
Vin-Vout0.3V  
(Note 1)  
TSTG  
-55  
C  
Note 1. PD must be decreased at the rate of 4.0mW/C for operation above 25C.  
WARNING: The maximum ratings are the absolute limitation values with the possibility of the IC breakage.  
When the operation exceeds this standard quality cannot be guaranteed.  
9.Recommended Operating Conditions  
Parameter  
Symbol  
min  
typ  
max  
Unit  
Condition  
Operating Temperature Range  
Operating Voltage Range  
Ta  
-40  
-17  
-
-
85  
C  
V
VOP  
-2.8  
|Vin|+|Vcont|19V,  
014011333-E-00  
- 5 -  
2014/10  
 
[AP1156ADSXX]  
10. Electrical Characteristics  
Electrical Characteristics (Ta=Tj=25°C)  
The parameters with min or max values will be guaranteed at Ta=Tj=25C.  
(Vin=-3.7V, Ta=Tj=25C)  
Parameter  
Symbol  
Vout  
LinReg ΔVin=5V  
Iout=5mA~50mA  
Condition  
Iout=5mA  
min  
-
typ  
(Table 1)  
1
max  
Unit  
V
mV  
Vout  
Line Regulation  
5
Iout=5mA~100mA  
Iout=5mA~150mA  
Iout=0mA  
Load Regulation  
LoaReg  
(Table 1)  
mV  
Quiescent Current  
Standby Current  
Peak Output Current  
Short Circuit Current  
Cont Terminal Current  
Iq  
-
155  
0
280  
300  
12  
-
250  
1
-
µA  
µA  
mA  
mA  
A  
V
Istandby Vout Off State  
IoutMAX When Vout drops 10%  
IShort  
-
200  
-
-
1.3  
-
-
Icont  
Vcont=+1.8V  
Vout ON State  
Vout OFF State  
30  
-
0.3  
Cont Terminal Voltage  
Vcont  
-
V
Table 1. Standard Voltage Version  
LoaReg  
Iout=100mA  
Vout  
Part Number  
Iout=50mA  
Iout=150mA  
min  
-1.360  
-1.560  
typ  
-1.300  
-1.500  
max  
-1.240  
-1.440  
typ  
4
4
max  
15  
15  
typ  
8
8
max  
20  
20  
typ  
22  
22  
max  
50  
50  
AP1156ADS13  
AP1156ADS15  
Table 2. Optional Voltage Version  
LoaReg  
Iout=100mA  
Vout  
typ  
Part Number  
min  
Iout=50mA  
Iout=150mA  
max  
-1.340  
typ  
4
max  
15  
typ  
8
max  
20  
typ  
22  
max  
50  
AP1156ADS14  
-1.460  
-1.400  
014011333-E-00  
- 6 -  
2014/10  
 
[AP1156ADSXX]  
Electrical Characteristics (Ta=-40°C~85°C)  
The parameters with min or max values will be guaranteed at Ta=-40 ~ 85C.  
(Vin=-3.7V, Ta=-40 ~ 85C)  
Parameter  
Symbol  
Vout  
LinReg ΔVin=5V  
Iout=5mA~50mA  
Condition  
Iout=5mA  
min  
typ  
Max  
Unit  
V
Vout  
(Table 3, Table 4)  
1
Line Regulation  
-
8
mV  
mV  
mV  
mV  
µA  
µA  
mA  
mA  
Iout=5mA~100mA  
Iout=5mA~150mA  
Iout=0mA  
Load Regulation  
LoaReg  
(Table 3, Table 4)  
Supply Current  
Standby Current  
Peak Output Current  
Short Circuit Current  
Vcont Terminal Current  
Icc  
-
155  
0
280  
300  
12  
-
300  
5
-
-
30  
-
Istandby Vout Off State  
IoutMAX When Vout drops 10%  
IShort  
-
185  
-
-
1.3  
-
Icont  
Vcont=+1.8V  
Vout ON State  
Vout OFF State  
A  
V
V
Vcont Terminal Voltage  
Vcont  
-
0.3  
Table 3. Standard Voltage Version  
LoaReg  
Iout=100mA  
Vout  
Part Number  
Iout=50mA  
Iout=150mA  
min  
-1.390  
-1.590  
typ  
-1.300  
-1.500  
max  
-1.210  
-1.410  
typ  
4
4
max  
16  
16  
typ  
8
8
max  
22  
22  
typ  
22  
22  
max  
72  
72  
AP1156ADS13  
AP1156ADS15  
Table 4. Optional Voltage Version  
LoaReg  
Iout=100mA  
Vout  
typ  
Part Number  
min  
Iout=50mA  
Iout=150mA  
max  
-1.310  
typ  
4
max  
16  
typ  
8
max  
22  
typ  
22  
max  
72  
AP1156ADS14  
-1.490  
-1.400  
014011333-E-00  
- 7 -  
2014/10  
 
 
[AP1156ADSXX]  
11. Description  
11.1 DC Characteristics  
Unless otherwise specified Vin=-3.5V, Vcont=1.5V, Cin=1.0uF (MLCC),Cout=1.0uF(MLCC),Cnp=0.01uF  
Ta=25C  
1
2
3
Cont  
VEE  
Np  
Vout  
GND  
5
4
Icont  
Vout  
Cout  
Iout  
A
V
Cin  
Vin  
1F  
1F  
Vcont  
A
Cnp  
0.01F  
Iin  
Ignd  
6
5
4
3
2
1
0
0
100  
200  
Iout (mA)  
300  
400  
Iin (Iout=0mA)  
Dropout Voltage  
2000  
1800  
1600  
1400  
1200  
1000  
800  
600  
400  
200  
0
1.0  
0.9  
0.8  
0.7  
0.6  
0.5  
0.4  
0.3  
0.2  
0.1  
0.0  
0
0
5
10  
Vin (-V)  
15  
20  
50  
100  
Iout (mA)  
150  
014011333-E-00  
- 8 -  
2014/10  
[AP1156ADSXX]  
Icont VS Vcont (Iout=1mA)  
Icc Off Mode (Vcont=1.5V,Iout=0mA)  
20  
18  
16  
14  
12  
10  
8
6
4
2
0
1.00E-04  
1.00E-05  
1.00E-06  
1.00E-07  
1.00E-08  
1.00E-09  
1.00E-10  
1.00E-11  
1.00E-12  
0.0  
0.5  
1.0  
1.5  
2.0  
0
5
10  
15  
20  
Vcont (V)  
Vin (-V)  
Iin (Iout=0mA) (Enlargement)  
IQ (Enlargement)  
300  
250  
200  
150  
100  
50  
1.0  
0.9  
0.8  
0.7  
0.6  
0.5  
0.4  
0.3  
0.2  
0.1  
0.0  
0
0
50  
100  
150  
0
5
10  
Vin (-V)  
15  
20  
Iout (mA)  
014011333-E-00  
- 9 -  
2014/10  
[AP1156ADSXX]  
11.2 Temperature Characteristic  
Unless otherwise specified Vin=-3.5V, Vcont=1.5V, Cin=1.0uF(MLCC),Cout=1.0uF(MLCC),Cnp=0.01uF  
1
2
3
Cont  
VEE  
Np  
Vout  
GND  
5
4
Icont  
Vout  
Cout  
Iout  
A
V
Cin  
Vin  
1F  
1F  
Vcont  
A
Cnp  
0.01F  
Iin  
Vref  
1.25  
1.24  
1.23  
1.22  
1.21  
1.20  
1.19  
1.18  
1.17  
1.16  
1.15  
-40 -20  
0
20 40 60 80 100  
Ta (℃)  
IoutMAX (Iout Nonpulse)  
IoutMAX (Iout Pulse)  
300  
250  
200  
150  
100  
50  
300  
250  
200  
150  
100  
50  
0
0
-40 -20  
0
20 40 60 80 100  
-40 -20  
0
20 40 60 80 100  
Ta (℃)  
Ta (℃)  
014011333-E-00  
- 10 -  
2014/10  
[AP1156ADSXX]  
LoadReg  
ON/OFF  
50  
1.4  
Io=5-150m  
Io=5-100m  
45  
40  
35  
30  
25  
20  
15  
10  
5
1.2  
1.0  
0.8  
0.6  
0.4  
0.2  
0.0  
Vout On  
Vout Off  
Io=5-50mA  
0
-40 -20  
0
20 40 60 80 100  
-40 -20  
0
20 40 60 80 100  
Ta (℃)  
Ta (℃)  
Iin(Iout=0mA)  
Icont  
200  
190  
180  
170  
160  
150  
140  
130  
120  
110  
100  
16  
14  
12  
10  
8
6
4
2
0
-40 -20  
0
20 40 60 80 100  
-40 -20  
0
20 40 60 80 100  
Ta (℃)  
Ta (℃)  
Icc OFFMode  
Vdrop  
50  
45  
40  
35  
30  
25  
20  
15  
10  
5
900  
800  
700  
600  
500  
400  
300  
200  
100  
0
Io=50/100/150m  
0
-40 -20  
0
20 40 60 80 100  
-40 -20  
0
20 40 60 80 100  
Ta (℃)  
Ta (℃)  
014011333-E-00  
- 11 -  
2014/10  
[AP1156ADSXX]  
11.3 Load Transient  
Unless otherwise specified Vin= Vout(typ)-1.5V, Vcont=1.5V,Cin=1.0uF(MLCC),Cnp=0.01uF  
1
2
3
Cont  
VEE  
Np  
Vout  
5
Vout  
Cout  
Iout  
Vcont  
V
Cin  
Vin  
GND  
4
Cnp  
Iout=5→100mA  
Iout=0→100mA  
Cout=1.0uF(MLCC) 500mV/div  
Cout=1.0uF(Tantalum) 200mV/div  
Cout=2.2uF(Tantalum) 200mV/div  
Cout=2.2uF(MLCC) 500mV/div  
Io=0m  
Io=5m  
Io=100mA  
Io=100m  
014011333-E-00  
- 12 -  
2014/10  
[AP1156ADSXX]  
11.4 ON/OFF Transient  
Vin= -3.5V, Cin=1.0uF (MLCC),Cnp=0.01uF,Iout=100mA, Control f=1Hz(Cnp Full discharge)  
ON Transient Cnp Variable  
1
2
3
Cont  
VEE  
Np  
Vout  
5
Vcont=0→1.5→0  
Vout 2V/div  
V
←0V  
Cnp=1000pF,0.01uF,0.1u  
Cin  
Vin  
Vout  
Cout  
Iout  
GND  
4
Cnp  
Vcont 1V/div  
ON Transient Cout Variable  
OFF Transient Cnp Variable  
Vout 2V/div  
Vout 2V/div  
0V  
←0V  
Cout=1.0/2.2/4.7/10uF  
Cnp=1000pF,0.01uF,0.1u  
Vcont 1V/div  
Vcont 2V/div  
014011333-E-00  
- 13 -  
2014/10  
[AP1156ADSXX]  
11.5 Line Transient  
Vin=-Vout(typ)-1.5→-Vout(typ)-2.5V, Vcont=1.5V,Cin=1.0uF(MLCC),Cnp=0.01uF,Iout=100mA  
Cin=1.0uF(MLCC) Iout=5mA  
Cin=1.0uF(MLCC) Iout=100mA  
Cout=1.0uF(MLCC) 100mV/div  
Cout=1.0uF(MLCC) 100mV/div  
Cout=1.0uF(Tantalum) 100mV/div  
Cout=1.0uF(Tantalum) 100mV/div  
Vin=-6.5V  
Vin=-7.5V  
Vin=-6.5V  
Vin=-7.5V  
Cin=1.0uF(MLCC) Iout=5mA  
Cin=1.0uF(MLCC) Iout=100mA  
Cout=2.2uF(MLCC) 100mV/div  
Cout=2.2uF(Tantalum) 100mV/div  
Cout=2.2uF(MLCC) 100mV/div  
Cout=2.2uF(Tantalum) 100mV/div  
Vin=-6.5V  
Vin=-7.5V  
Vin=-6.5V  
Vin=-7.5V  
014011333-E-00  
- 14 -  
2014/10  
[AP1156ADSXX]  
Cin=1.0uF(Tantalum) Iout=5mA  
Cin=1.0uF(Tantalum) Iout=100mA  
Cout=1.0uF(MLCC) 100mV/div  
Cout=1.0uF(MLCC)100mV/div  
Cout=1.0uF(Tantalum) 100mV/div  
Cout=1.0uF(Tantalum) 100mV/div  
Vin=-6.5V  
Vin=-7.5V  
Vin=-6.5V  
Vin=-7.5V  
Cin=1.0uF(Tantalum) Iout=5mA  
Cin=1.0uF(Tantalum) Iout=100mA  
Cout=2.2uF(MLCC) 100mV/div  
Cout=2.2uF(Tantalum) 100mV/div  
Cout=2.2uF(MLCC) 100mV/div  
Cout=2.2uF(Tantalum) 100mV/div  
Vin=-6.5V  
Vin=-7.5V  
Vin=-6.5V  
Vin=-7.5V  
014011333-E-00  
- 15 -  
2014/10  
[AP1156ADSXX]  
11.6 Ripple Rejection  
Vin=-3.5(V) Vcont=1.5V, Vripple=500mVp-p,Cnp=0.01uF,Iout=10mA  
View point  
1
2
3
Cont  
VEE  
Np  
Vout  
GND  
5
Vripple=500mVp-p  
Cout  
Iout  
4
Vin=Vouttyp-2.0V  
Cnp  
Cout=1.0uF(Tantalum),Iout=5mA  
Cout=1.0uF(MLCC),Iout=5mA  
0dB→  
0dB→  
10dB/div  
10dB/div  
Cout=1.0uF(Tantalum),Iout=100mA  
Cout=1.0uF(MLCC),Iout=100mA  
0dB→  
0dB→  
10dB/div  
10dB/div  
014011333-E-00  
- 16 -  
2014/10  
[AP1156ADSXX]  
Cout=2.2uF(Tantalum),Iout=5mA  
Cout=2.2uF(MLCC),Iout=5mA  
0dB→  
0dB→  
10dB/div  
10dB/div  
Cout=2.2.uF(Tantalum),Iout=100mA  
Cout=2.2uF(MLCC),Iout=100mA  
0dB→  
0dB→  
10dB/div  
10dB/div  
014011333-E-00  
- 17 -  
2014/10  
[AP1156ADSXX]  
11.7 ESR Stability  
IC does operate with 1.0uF Cout. If it is 1.0uF or larger, the capacitor of any type can be used in all range  
without considering ESR. But due to the parts are uneven, please enlarge the capacitance as much as possible.  
With larger capacity, the output noise decreases more. In addition, the response to the load change, etc. can be  
improved. The IC wont be damaged by enlarging the capacity.  
The input capacitor is necessary in case the battery voltage drops, the power supply impedance increases, or  
the distance to the power supply is far. 1 input capacitor might be necessary for each 1 IC or for several ICs. It  
depends on circuit condition. Please confirm the stability by each circuit.  
Generally, Multi-layer ceramic capacitor (MLCC) has the temperature characteristic and the voltage  
characteristic. Please select parts in consideration of the voltage and the temperature used.  
100  
Unstable area  
10  
1
0.1  
Stable area  
0.01  
0
50  
100  
Iout (mA)  
150  
Figure 2. Stability area graph  
Condition:Vin=Vout(typ)-1.5V Cin=0.1μF, Cout=1.0μF (MLCC)  
The output can be seen as oscillated when the overheating protection or the overcurrent protection start  
operation, or the input voltage is low. In this case, please lower the power consumption, decrease the load  
current or make the input voltage higher.  
Generally, a ceramic capacitor has the temperature characteristic and the voltage characteristic. Please select  
parts in consideration of the voltage and the temperature used. ASAHI KASEI TOKO POWER DEVICES  
recommend B characteristic type.  
Figure 3. (Left) Capacitance vs. Voltage; (Right) Capacitance vs. Temperature  
014011333-E-00  
- 18 -  
2014/10  
[AP1156ADSXX]  
11.8 Operating Region and Power Dissipation  
The power dissipation of the device is dependent on the junction temperature. Therefore, the package  
dissipation is assumed to be an internal limitation. The package itself does not have enough heat radiation  
characteristic due to the small size. Heat runs away by mounting IC on PCB. This value changes by the  
material, copper pattern etc. of PCB.  
The overheating protection operates when there is a lot of loss inside the regulator (Ambient temperature high,  
heat radiation bad, etc.). The output current and the output voltage will drop when the protection circuit  
operates. When joint temperature (Tj) reaches the set temperature, IC stops the operation. However, operation  
begins at once when joint temperature (Tj) decreases.  
The thermal resistance when mounted on PCB  
The chip joint temperature during operation is shown by Tj=θja×Pd+Ta. Joint part temperature (Tj) of  
AP1156ADSxx is limited around 150°C with the overheating protection circuit. Pd is the value when the  
overheating protection circuit starts operation. When you assume the ambient temperature to be 25°C,  
150=θja×Pd()+25  
θja×Pd=125  
θja=125/Pd (°C/W)  
Example of mounting substrate  
Figure 4. PCB Material: Two layer glass epoxy substrate  
(x=30mm,y=30mm,t=1.0mm,Copper pattern thickness 35um)  
Please do derating with 5.9mW/°C at Pd=736mW and 25°C or higher. Thermal resistance is (θja=170°C/W)  
Method of obtaining Pd easily  
Connect output terminal to GND(short circuited), and measure the input current by increasing the input  
voltage gradually up to 10V. The input current will reach the maximum output current, but will decrease soon  
according to the chip temperature rising, and will finally enter the state of thermal equilibrium (natural air  
cooling) The input current and the input voltage of this state will be used to calculate the Pd.  
Pd(mW) Vin (V) Iin (mA)  
When the device is mounted, mostly achieve 600mW or more.  
Pd(mW)  
Pd  
Procedure (When mounted on PCB).  
1.Find Pd (Vin×Iin when the output is short-circuited).  
2. Plot Pd against 25°C.  
2
3. Connect Pd to the point corresponding to the 150°C with a  
straight line.  
D Pd  
5
4. Pull a vertical line from the maximum operating  
temperature in your design (e.g., 75°C).  
5. Read the value of Pd against the point at which the  
vertical line intersects the derating curve(DPd).  
6.DPd÷(Vinmax-Vout)=Iout (at 75°C)  
3
4
0
25  
50  
75  
Ta (℃)  
100  
150  
Figure 5. Method of obtaining Pd  
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The maximum output current at the highest operating temperature will be IoutDPd÷(Vinmax-Vout).  
Please use the device at low temperature with better radiation. The lower temperature provides better quality.  
The operation area  
Pd when mounted on the substrate as shown on the Figure 4. (Ta=25°C)  
SOT23-5=736mW (derating 5.9mW)  
The current which can be used continuously with Ta=25°C min is calculated by the following.  
736 5.9(Ta 25)  
Iout(mA)   
… SOT23-5  
Vin Vout  
*Iout<150mA  
The operation area is the part enclosed in the line including the 0mentioned in graph1  
The overheating sensor may operate, or the output voltage may drop outside those area.  
The heat radiation characteristic changes in various conditions, so please check under your condition.  
Pd (mW)  
IoutMAX vs IN-OUT VOLTAGE DIFF  
SOT23-5  
1000  
Installed On a PCB  
Ta=+25℃  
160  
140  
120  
100  
80  
-5.9mW/°C  
800  
600  
Ta=+85℃  
Ta=+70℃  
400  
200  
60  
Unit  
-4.2mW/°C  
Ta=+50℃  
40  
20  
0
0
25  
50  
85  
125  
150  
0
1
2
3
4
5
6
7
8
9 10  
Ta (℃)  
IN-OUT VOLTAGE DIFF (V)  
Figure 6. SOT23-5  
11.9 Application hint  
Vout  
Positive REG  
Load  
TK721xxC  
Negative REG  
Vout  
Figure 7.  
When using positive output regulator together with this device, sometimes the voltage may not be outputted.  
To solve this problem, please connect Schottkey diode between GND and output, or change the timing of  
On/Off.  
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12. Definition of term  
Relating Characteristic  
Each characteristic will be measured in a short period not to be influenced by joint temperature (Tj).  
Output voltage (Vout)  
The output voltage is specified with Vin= Vout(typ)+1V and Iout=5mA  
Output current (Iout)  
Output current, which can be used continuously (It is the range where overheating protection of the IC does not  
operate.)  
Peak output current (IoutPEAK  
)
The rated output current is specified under the condition where the output voltage drops 90% by increasing the  
output current, compared to the value specified at Vin=Vout(typ)-1.5V.  
Dropout voltage (Vdrop)  
It is an I/O voltage difference when the circuit stops the stable operation by decreasing the input voltage.  
It is measured when the output voltage drops 100mV from its nominal value by decreasing the input voltage  
gradually.  
Line Regulation (LinReg)  
It is the fluctuations of the output voltage value when the input voltage is changed.  
Load Regulation (LoaReg)  
It is the fluctuations of output voltage value when the input voltage is assumed to be Vout(typ) -1.5V, and the  
load current is changed.  
Ripple Rejection (R.R)  
Ripple rejection is the ability of the regulator to attenuate the ripple content of the input voltage at the output.  
It is measured with the condition of  
Vin=Vout-2.0V. Ripple rejection is the ratio of the ripple content  
between the output vs. input and is expressed in dB  
Standby current (Istandby)  
It is an input current which flows to the Cont terminal, when the IC is turned off.  
Relating Protection Circuit  
Over Current Protection  
It is a function to protect the IC by limiting the output current when excessive current flows to IC, such as the  
output is connected to GND, etc.  
Thermal Protection  
It protects the IC not to exceed the permissible power consumption of the package in case of large power loss  
inside the regulator.  
The output is turned off when the chip reaches around 150, but it turns on again when the temperature of the  
chip decreases.  
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13. Test Circuit  
Test Circuit  
DC  
Load Transient  
1
2
3
Cont  
VEE  
Np  
Vout  
GND  
5
4
1
2
3
Cont  
VEE  
Np  
Vout  
GND  
5
4
Icont  
Vout  
Cout  
Iout  
Vout  
Cout  
Iout  
Vcont  
A
V
V
Cin  
Vin  
Cin  
Vin  
1F  
1F  
Vcont  
A
Cnp  
0.01F  
Cnp  
Iin  
Line Transient  
ON/OFF Transient  
1
2
3
Cont  
Vout  
5
4
1
Cont  
VEE  
Np  
Vout  
GND  
5
4
Vin=Vouttyp-1.5V  
Vcont=0→1.5→0  
Vout  
Cout  
Iout  
V
Vin  
VEE  
Np  
V
2
Cin  
Vin  
Vin=Vouttyp-2.5V  
Vout  
Cout  
Iout  
Vcont  
Cin  
GND  
3
Cnp  
Cnp  
Ripple Rejection  
ESR Stability  
View point  
1
2
3
Cont  
VEE  
Np  
Vout  
GND  
5
4
1
Cont  
VEE  
Np  
Vout  
GND  
5
Vout  
ESR  
Iout  
Vcont  
Vripple=500mVp-p  
V
Cin  
Vin  
2
3
Cout  
Cout  
Iout  
4
Vin=Vouttyp-2.0V  
Cnp  
Cnp  
External Components  
MLCC: Multi layer Ceramic Capacitor  
Tantalum: Tantalum Capacitor  
Figure 8. Test Circuit  
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14. Package  
Outline Dimensions  
(Unit:mm)  
Mark  
4
Lot No.  
5
xxx  
1
3
+
0.1  
0.4  
0.95  
0.95  
+
0.2  
2.9  
+
0.2  
0.4  
+0.2  
0.3  
2.8  
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15. Revise History  
Date  
(YY/MM/DD)  
14/10/29  
Revision  
00  
Page  
-
Contents  
First Edition  
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[AP1156ADSXX]  
IMPORTANT NOTICE  
0. Asahi Kasei Microdevices Corporation (“AKM”) reserves the right to make changes to the  
information contained in this document without notice. When you consider any use or application of  
AKM product stipulated in this document (Product), please make inquiries the sales office of  
AKM or authorized distributors as to current status of the Products.  
1. All information included in this document are provided only to illustrate the operation and  
application examples of AKM Products. AKM neither makes warranties or representations with  
respect to the accuracy or completeness of the information contained in this document nor grants any  
license to any intellectual property rights or any other rights of AKM or any third party with respect  
to the information in this document. You are fully responsible for use of such information contained  
in this document in your product design or applications. AKM ASSUMES NO LIABILITY FOR  
ANY LOSSES INCURRED BY YOU OR THIRD PARTIES ARISING FROM THE USE OF  
SUCH INFORMATION IN YOUR PRODUCT DESIGN OR APPLICATIONS.  
2. The Product is neither intended nor warranted for use in equipment or systems that require  
extraordinarily high levels of quality and/or reliability and/or a malfunction or failure of which may  
cause loss of human life, bodily injury, serious property damage or serious public impact, including  
but not limited to, equipment used in nuclear facilities, equipment used in the aerospace industry,  
medical equipment, equipment used for automobiles, trains, ships and other transportation, traffic  
signaling equipment, equipment used to control combustions or explosions, safety devices, elevators  
and escalators, devices related to electric power, and equipment used in finance-related fields. Do  
not use Product for the above use unless specifically agreed by AKM in writing.  
3. Though AKM works continually to improve the Product’s quality and reliability, you are  
responsible for complying with safety standards and for providing adequate designs and safeguards  
for your hardware, software and systems which minimize risk and avoid situations in which a  
malfunction or failure of the Product could cause loss of human life, bodily injury or damage to  
property, including data loss or corruption.  
4. Do not use or otherwise make available the Product or related technology or any information  
contained in this document for any military purposes, including without limitation, for the design,  
development, use, stockpiling or manufacturing of nuclear, chemical, or biological weapons or  
missile technology products (mass destruction weapons). When exporting the Products or related  
technology or any information contained in this document, you should comply with the applicable  
export control laws and regulations and follow the procedures required by such laws and  
regulations. The Products and related technology may not be used for or incorporated into any  
products or systems whose manufacture, use, or sale is prohibited under any applicable domestic or  
foreign laws or regulations.  
5. Please contact AKM sales representative for details as to environmental matters such as the RoHS  
compatibility of the Product. Please use the Product in compliance with all applicable laws and  
regulations that regulate the inclusion or use of controlled substances, including without limitation,  
the EU RoHS Directive. AKM assumes no liability for damages or losses occurring as a result of  
noncompliance with applicable laws and regulations.  
6. Resale of the Product with provisions different from the statement and/or technical features set forth  
in this document shall immediately void any warranty granted by AKM for the Product and shall not  
create or extend in any manner whatsoever, any liability of AKM.  
7. This document may not be reproduced or duplicated, in any form, in whole or in part, without prior  
written consent of AKM.  
014011333-E-00  
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2014/10  

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