Data Sheet

[AP1153ADSXX]
AP1153ADSXX
14V Input / 100mA Output LDO Regulator
1. General Description
The AP1153ADSXX is a low dropout linear regulator with ON/OFF control, which can supply 100mA load
current. The IC is an integrated circuit with a silicon monolithic bipolar structure. The output voltage, trimmed
with high accuracy, is available from 1.3 to 5.0V in 0.1V steps. The output capacitor is available to use a small
0.22μF ceramic capacitor. The over current, thermal and reverse bias protections are integrated, and also the
package is small and thin type. The IC is designed for space saving requirements.
2. Feature
 Available to use a small 0.22μF ceramic capacitor
 Dropout Voltage
 Output Current
VDROP=160mV at 100mA
100mA
1.5% or 50mV
 High Precision output voltage
 High ripple rejection ratio
80dB at 1kHz
70dB at 10kHz
 Wide operating voltage range
 Very low quiescent current
2.1V to 14.0V
IQUT=75A at IOUT=0mA
 On/Off control (High active)
 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. Application
 Automotive accessory equipment
 Any Electronic Equipment
 Battery Powered Systems
 Mobile Communication
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4. Table of Contents
1.
2.
3.
4.
5.
6.
7.
General Description ........................................................................................................................................... 1
Feature................................................................................................................................................................ 1
Application......................................................................................................................................................... 1
Table of Contents ............................................................................................................................................... 2
Block Diagram ................................................................................................................................................... 3
Ordering Information ......................................................................................................................................... 4
Pin Configurations and Functions ...................................................................................................................... 5
■ Pin Configurations ............................................................................................................................................ 5
■ Functions .......................................................................................................................................................... 5
8. Absolute Maximum Ratings .............................................................................................................................. 6
9. Recommended Operating Conditions ................................................................................................................ 6
10. Electrical Characteristics.................................................................................................................................... 7
■ Electrical Characteristics of Ta=Tj=25C ........................................................................................................ 7
■ Electrical Characteristics of Ta=-40C~85C .................................................................................................. 9
11. Description ....................................................................................................................................................... 11
11.1 DC Characteristics .................................................................................................................................... 11
11.2 Temperature Characteristics ..................................................................................................................... 14
11.3 Ripple Rejection ....................................................................................................................................... 16
11.4 ON/OFF transient ..................................................................................................................................... 17
11.5 ON/OFF transient ..................................................................................................................................... 18
11.6 Line transient ............................................................................................................................................ 19
11.7 Output noise ............................................................................................................................................. 20
11.8 Stability..................................................................................................................................................... 21
11.9 Operating Region and Power Dissipation ................................................................................................ 23
11.10 ON/OFF Control ................................................................................................................................... 24
11.11 Noise Bypass ........................................................................................................................................ 25
11.12 The notes of the evaluation when output terminal is short-circuit to GND .......................................... 25
12. Definition of term............................................................................................................................................. 26
13. Recommended External Circuits ..................................................................................................................... 27
■External Circuit ............................................................................................................................................... 27
■Test Circuit ...................................................................................................................................................... 27
14. Package ............................................................................................................................................................ 28
■ Outline Dimensions ........................................................................................................................................ 28
15. Revise History .................................................................................................................................................. 29
IMPORTANT NOTICE .......................................................................................................................................... 30
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5. Block Diagram
Vin
VIN
Vout
VOUT
Over Heat &
Over Current
Protection
500kΩ
320kΩ
Control
Circuit
Vcont
VCONT
Bandgap
Reference
GND
GND
Np
NP
Figure 1. Block Diagram
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[AP1153ADSXX]
6. Ordering Information
AP1153ADSXX
Ta = -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.
AP1153ADSXX
Output voltage code
Table 1. Standard Voltage Version, Output Voltage & Voltage Code
XX
18
21
VOUT
1.8
2.1
XX
28
30
VOUT
2.8
3.0
XX
33
50
VOUT
3.3
5.0
Table 2. Optional Voltage Version, Output Voltage & Voltage Code
XX
VOUT
XX
VOUT
XX
VOUT
13
1.3
24
2.4
36
3.6
14
1.4
25
2.5
37
3.7
15
1.5
26
2.6
38
3.8
16
1.6
27
2.7
39
3.9
17
1.7
29
2.9
40
4.0
19
1.9
31
3.1
41
4.1
20
2.0
32
3.2
42
4.2
22
2.2
34
3.4
43
4.3
23
2.3
35
3.5
44
4.4
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XX
45
46
47
48
49
-
VOUT
4.5
4.6
4.7
4.8
4.9
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2015/01
[AP1153ADSXX]
7. Pin Configurations and Functions
VIN
VOUT
■ Pin Configurations
5
4
1
2
3
VCONT
GND
NP
(Top View)
■ Functions
Pin No.
Pin
Description
Internal Equivalent Circuit
Description
Vcont
1
On/Off Control Terminal
1
Vcont > 1.8V : ON
Vcont < 0.35V : OFF
320k
VCONT
500k
The pull-down resister (500k) is built-in.
2
GND
-
GND Terminal
Np
3
Noise Bypass Terminal
3
NP
Connect a bypass capacitor between GND.
Vout
Vin
4
4
VOUT
Output Terminal
Vref
5
VIN
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Input Terminal
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[AP1153ADSXX]
8. Absolute Maximum Ratings
Parameter
Supply Voltage
Symbol
VccMAX
Reverse Bias
VrevMAX
Np pin Voltage
Control pin Voltage
Junction temperature
Storage Temperature Range
VnpMAX
VcontMAX
Tj
Tstg
min
-0.4
-0.4
-0.4
-0.4
-0.4
-55
max
16
6
12
5
16
150
150
Unit
V
V
V
V
V
C
C
Condition
Vout≦2.0V
2.1V≦Vout
When mounted on PCB
(Note 1)
Note 1. Please do derating with 4.0mW/C at Pd=500mW and 25C or more. Thermal resistance JA =
250C/W.
Power Dissipation
PD
-
500
mW
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
Operating Temperature Range
Operating Voltage Range
Ta
VOP
-40
2.1
-
85
14
C
V
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Condition
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[AP1153ADSXX]
10. Electrical Characteristics
■ Electrical Characteristics of Ta=Tj=25C
The parameters with min or max values will be guaranteed at Ta=Tj=25C.
Parameter
Output Voltage
Line Regulation
(VIN=Vouttyp+1V,Vcont=1.8V,Ta=Tj=25C, unless otherwise specified.)
Symbol
Condition
min
typ
max
Unit
Iout = 5mA
V
Vout
(Table 3, Table 4)
0.0
5.0
mV
LinReg Vin = 5V
Load Regulation
LoaReg
Dropout Voltage (Note 2)
Vdrop
Output Current(Note 3)
Maximum Output Current
(Note 3)
Supply Current
Standby Current
Quiescent Current
Control Terminal
Control Current
Iout
Iout = 5mA ~ 50mA
mV
(Table 3, Table 4)
Iout = 5mA ~ 100mA
mV
Iout = 50mA
-
90
160
mV
Iout = 100mA
-
160
280
mV
-
-
100
mA
150
200
-
mA
μA
IoutMAX
Vout=VoutTYP0.9
Icc
Istandby
Iq
Iout = 0mA
-
75
120
Vcont = 0V
-
0.0
0.1
μA
Iout = 50mA
-
1.5
2.7
mA
Icont
Vcont = 1.8V
-
5.0
15.0
μA
Vout ON state
1.8
-
-
V
-
-
0.35
V
Vnp
-
1.26
-
V
Output Voltage / Temp.
Vout/Ta
-
35
-
Short Circuit Current
Output Noise Voltage
(VoutTYP=3.0V)
ISHORT
-
200
-
mA
Cout=1.0F, Cnp=0.01F
Iout=30mA
-
38
-
μV
rms
Cout=1.0F, Cnp=0.001F
Iout=10mA, f=1kHz
-
80
-
dB
f=10kHz
-
70
-
dB
Cout=1.0F, Cnp=0.001F
Vcont: Pulse Wave (100Hz)
Vcont ON → Vout95%
point
-
35
-
μs
Control Voltage
Reference Value
Np Terminal Voltage
Ripple Rejection
(VoutTYP=3.0V)
Rise Time
(VoutTYP=3.0V)
Vcont
Vnoise
RR
tr
Vout OFF state
ppm
/C
Note 2. For Vout  2.0V , no regulations.
Note 3. The maximum output current is limited by power dissipation.
General Note:
Parameter with only typical value is for reference only.
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Table 3. Standard Voltage Version
Output Voltage
Part Number
AP1153ADS18
AP1153ADS21
AP1153ADS28
AP1153ADS30
AP1153ADS33
AP1153ADS50
min
typ
max
V
1.750
2.050
2.750
2.950
3.250
4.925
V
1.800
2.100
2.800
3.000
3.300
5.000
V
1.850
2.150
2.850
3.050
3.350
5.075
Load Regulation
Iout = 50mA
Iout = 100mA
typ
max
typ
max
V
V
mV
mV
5
12
11
26
5
12
12
28
6
14
14
34
6
15
15
35
7
16
16
37
9
20
21
50
Table 4. Optional Voltage Version
Load Regulation
Output Voltage
Part Number
AP1153ADS13
AP1153ADS14
AP1153ADS15
AP1153ADS16
AP1153ADS17
AP1153ADS19
AP1153ADS20
AP1153ADS22
AP1153ADS23
AP1153ADS24
AP1153ADS25
AP1153ADS26
AP1153ADS27
AP1153ADS29
AP1153ADS31
AP1153ADS32
AP1153ADS34
AP1153ADS35
AP1153ADS36
AP1153ADS37
AP1153ADS38
AP1153ADS39
AP1153ADS40
AP1153ADS41
AP1153ADS42
AP1153ADS43
AP1153ADS44
AP1153ADS45
AP1153ADS46
AP1153ADS47
AP1153ADS48
AP1153ADS49
015000869-E-00
min
typ
max
V
1.250
1.350
1.450
1.550
1.650
1.850
1.950
2.150
2.250
2.350
2.450
2.550
2.650
2.850
3.050
3.150
3.349
3.447
3.546
3.644
3.743
3.841
3.940
4.038
4.137
4.235
4.334
4.432
4.531
4.629
4.728
4.826
V
1.300
1.400
1.500
1.600
1.700
1.900
2.000
2.200
2.300
2.400
2.500
2.600
2.700
2.900
3.100
3.200
3.400
3.500
3.600
3.700
3.800
3.900
4.000
4.100
4.200
4.300
4.400
4.500
4.600
4.700
4.800
4.900
V
1.350
1.450
1.550
1.650
1.750
1.950
2.050
2.250
2.350
2.450
2.550
2.650
2.750
2.950
3.150
3.250
3.451
3.553
3.654
3.756
3.857
3.959
4.060
4.162
4.263
4.365
4.466
4.568
4.669
4.771
4.872
4.974
-8-
Iout = 50mA
typ
max
V
V
5
10
5
10
5
11
5
11
5
11
5
12
5
12
6
13
6
13
6
13
6
14
6
14
6
14
6
15
7
15
7
15
7
16
7
16
7
17
7
17
7
17
8
17
8
18
8
18
8
18
8
18
8
19
8
19
8
19
8
20
9
20
9
20
Iout = 100mA
typ
max
mV
mV
10
22
10
23
10
24
11
25
11
25
11
27
12
28
12
29
13
30
13
31
13
31
14
32
14
33
15
34
15
36
16
37
16
38
16
39
17
40
17
40
17
41
18
42
18
43
18
43
19
44
19
45
19
46
20
46
20
47
20
48
21
49
21
49
2015/01
[AP1153ADSXX]
■ Electrical Characteristics of Ta=-40C~85C
The parameters with min or max values will be guaranteed at Ta=Tj=-40 ~ 85C.
Parameter
Output Voltage
Line Regulation
(VIN=VoutTYP+1V,Vcont=1.8V,Ta=-40 ~ 85C, unless otherwise specified.)
Symbol
Condition
min
typ
max
Unit
Iout = 5mA
V
Vout
(Table 5, Table 6)
mV
LinReg Vin = 5V
0.0
8.0
Load Regulation
LoaReg
Dropout Voltage (Note 4)
Vdrop
Output Current(Note 5)
Maximum Output Current
(Note 5)
Supply Current
Standby Current
Quiescent Current
Control Terminal
Control Current
Iout
Control Voltage
IoutMAX
Iout = 5mA ~ 50mA
Iout = 5mA ~ 100mA
90
160
Iout = 50mA
Iout = 100mA
Vout=VoutTYP0.9
mV
(Table 5, Table 6)
110
mV
205
360
100
mV
200
-
mA
mV
mA
Icc
Iout = 0mA
75
145
μA
Istandby
Vcont = 0V
0.0
0.5
μA
Iq
Iout = 50mA
1.5
3.3
mA
Icont
Vcont = 1.8V
-
5.0
15.0
μA
Vout ON state
1.8
-
-
V
-
-
0.35
V
Vcont
Vout OFF state
Reference Value
Np Terminal Voltage
Vnp
Output Voltage / Temp.
Vout/Ta
35
Short Circuit Current
Output Noise Voltage
(VoutTYP=3.0V)
ISHORT
200
mA
Cout=1.0F, Cnp=0.01F
Iout=30mA
38
μV
rms
Cout=1.0F, Cnp=0.001F
Iout=10mA, f=1kHz
80
dB
f=10kHz
70
dB
Cout=1.0F, Cnp=0.001F
Vcont: Pulse Wave (100Hz)
Vcont ON → Vout95%
point
35
μs
Ripple Rejection
(VoutTYP=3.0V)
Rise Time
(VoutTYP=3.0V)
Vnoise
RR
tr
1.26
V
ppm
/C
Note 4. For Vout  2.0V, no regulations.
Note 5. The maximum output current is limited by power dissipation.
General Note:
Parameter with only typical value is for reference only.
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[AP1153ADSXX]
Table 5. Standard Voltage Version
Output Voltage
Part Number
AP1153ADS18
AP1153ADS21
AP1153ADS28
AP1153ADS30
AP1153ADS33
AP1153ADS50
min
typ
max
V
1.720
2.020
2.720
2.920
3.217
4.875
V
1.800
2.100
2.800
3.000
3.300
5.000
V
1.880
2.180
2.880
3.080
3.383
5.125
Load Regulation
Iout = 50mA
Iout = 100mA
typ
max
typ
max
V
V
mV
mV
5
14
11
29
5
14
12
31
6
16
14
37
6
17
15
38
7
18
16
40
9
22
21
55
Table 6. Optional Voltage Version
Load Regulation
Output Voltage
Part Number
AP1153ADS13
AP1153ADS14
AP1153ADS15
AP1153ADS16
AP1153ADS17
AP1153ADS19
AP1153ADS20
AP1153ADS22
AP1153ADS23
AP1153ADS24
AP1153ADS25
AP1153ADS26
AP1153ADS27
AP1153ADS29
AP1153ADS31
AP1153ADS32
AP1153ADS34
AP1153ADS35
AP1153ADS36
AP1153ADS37
AP1153ADS38
AP1153ADS39
AP1153ADS40
AP1153ADS41
AP1153ADS42
AP1153ADS43
AP1153ADS44
AP1153ADS45
AP1153ADS46
AP1153ADS47
AP1153ADS48
AP1153ADS49
015000869-E-00
min
typ
max
V
1.220
1.320
1.420
1.520
1.620
1.820
1.920
2.120
2.220
2.320
2.420
2.520
2.620
2.820
3.020
3.120
3.312
3.412
3.510
3.605
3.705
3.805
3.900
3.986
4.085
4.184
4.283
4.382
4.481
4.580
4.679
4.777
V
1.300
1.400
1.500
1.600
1.700
1.900
2.000
2.200
2.300
2.400
2.500
2.600
2.700
2.900
3.100
3.200
3.400
3.500
3.600
3.700
3.800
3.900
4.000
4.100
4.200
4.300
4.400
4.500
4.600
4.700
4.800
4.900
V
1.380
1.480
1.580
1.680
1.780
1.980
2.080
2.280
2.380
2.480
2.580
2.680
2.780
2.980
3.180
3.280
3.488
3.588
3.690
3.795
3.895
3.995
4.100
4.214
4.315
4.416
4.517
4.618
4.719
4.820
4.921
5.023
- 10 -
Iout = 50mA
typ
max
V
V
5
12
5
12
5
13
5
13
5
13
5
14
5
14
6
15
6
15
6
15
6
16
6
16
6
16
6
17
7
17
7
17
7
18
7
18
7
19
7
19
7
19
8
19
8
20
8
20
8
20
8
20
8
21
8
21
8
21
8
22
9
22
9
20
Iout = 100mA
typ
max
mV
mV
10
25
10
26
10
27
11
28
11
28
11
30
12
31
12
32
13
33
13
34
13
34
14
35
14
36
15
37
15
39
16
40
16
41
16
42
17
43
17
43
17
44
18
45
18
46
18
47
19
48
19
49
19
50
20
50
20
51
20
52
21
54
21
54
2015/01
[AP1153ADSXX]
11. Description
11.1 DC Characteristics
 Line Regulation
Test conditions
Vin
=VoutTYP+1V
Vin
Cin
1.0F
Vout
Vcont
Iin (mA)
Cout
1.0F
Np
Vcont
1.8V
 Iin vs VIN
Iout=0mA
Iout=5mA
Cnp
0.001F
 Quiescent Current
Iout=0mA
2.6
2.4
2.2
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
Vout=
1.5,2.0,3.0,4.0,5.0V
0
2
4
6
8
10
12 14
16
Vin (V)
 Peak Output Current
Vout (V)
 Load Regulation
6.0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
Vout= 5.0V
4.0V
3.0V
2.0V
1.5V
0
50
100
150
200
250
300
Iout (mA)
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[AP1153ADSXX]
Ignd (mA)
 GND Pin Current
Test conditions
Vin
=VoutTYP+1V
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
Vin
Cin
1.0F
Vcont
Vout
50
Cout
1.0F
Np
Vcont
1.8V
0
Iout=5mA
Cnp
0.001F
100
Iout (mA)
 Dropout Voltage
2.1V  Vouttyp
 Standby Current (Off state)
Vcont=0V
0
1.E-06
-20
1.E-07
Istanby (A)
Vdrop (mV)
-40
-60
-80
-100
-120
1.E-08
1.E-09
1.E-10
-140
-160
1.E-11
0
50
100
0
Iout (mA)
4
6
8
10
12 14
16
Vin (V)
 Control Current
015000869-E-00
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 Control Current, ON/OFF Point
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[AP1153ADSXX]
 Vout vs VIN Regulation Point
2.1V  Vouttyp
Test conditions
Vin
=VoutTYP+1V
Vin
Cin
1.0F
Vout
Vcont
Iout=5mA
Cout
1.0F
Np
Vcont
1.8V
1.54
1.52
1.50
1.48
1.46
1.44
1.42
1.40
1.38
1.36
1.34
 Vout vs VIN Regulation Point
Vouttyp=2.0V
Iout=0,50,100mA
Vout (V)
Vout (V)
 Vout vs VIN Regulation Point
Vouttyp=1.5V
1.5
1.6
1.7
1.8
Cnp
0.001F
1.9
2.04
2.02
2.00
1.98
1.96
1.94
1.92
1.90
1.88
1.86
1.84
2.0
Iout=0,50,100mA
1.8
1.9
2.0
Vin (V)
2.2
2.3
Vin (V)
 Reverse Bias Current
VIN=0V, Vcont=0V
Test conditions
Vin=0V
Vin
Cin
1.0F
Vcont
Vcont
0V
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Irev
Vout
Cout
1.0F
Np
Vrev
Cnp
0.001F
2015/01
[AP1153ADSXX]
11.2 Temperature Characteristics
 Vout
Vouttyp=3.0V
Test conditions
Vin
=VoutTYP+1V
20
Vin
Vout
Iout=5mA
ΔVout (mV)
10
Cin
1.0F
0
Vcont
Cout
1.0F
Np
-10
-20
Vcont
1.8V
35.15 ppm/℃
Cnp
0.001F
-30
-40
-40 -20
0
20
40
60
80
100
T a （℃）
 Peak Output Current
Vout=Vouttyp  0.9
 GND Pin Current
250
6.0
200
5.0
Ignd(mA)
IoutPEAK(mA)
Iout=100mA
Iout=50mA
Iout=30mA
7.0
150
100
4.0
3.0
2.0
50
1.0
0.0
0
-40 -20
0
20
40
60
-40 -20
80 100
0
40
60
80
100
T a(°C)
Ta(℃)
 Dropout Voltage
2.1V  Vouttyp
Vdrop(mV)
20
 Quiescent Current
Iout=0mA
300
Iout=100mA
Iout=50mA
250
Iout=30mA
200
150
100
50
0
-40 -20
0
20
40
60
80
100
T a(°C)
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 Load Regulation
Vouttyp=3.0V
 Line Regulation
VIN = 5V
0
20
15
-10
LinReg(mV)
LoaReg(mV)
10
-20
Iout=30mA
-30
Iout=50mA
-40
Iout=100mA
5
0
-5
-10
-50
-15
-20
-60
-40 -20
0
20
40
60
80
-40 -20
100
0
20
40
60
80
100
60
80
100
T a(℃)
T a(℃)
 ON/OFF Point
Vcont(V)
 Control Current
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
Vout_ON
Vout_OFF
-40 -20
0
20
40
T a（℃）
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11.3 Ripple Rejection
 Cout=0.22F, 0.47F, 1.0F, 2.2F
Test conditions
Vripple
Vin(DC)=VoutTYP+1.5V
200mVp-p
C
o
u
t
=
0
.
2
2

F
0.47F
1.0F
2.2F
C
n
p
=
0
.
0
0
1

F
Ripple Rejection (dB)
 R.R vs Iout : Frequency=1kHz
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
0
20
40
60
80
f=100Hz 1MHz
Vcont
Vout
Iout=10mA
Cout
1.0F
Np
Vcont
1.8V
Cnp
0.001F
 Iout=10mA, 20mA, 50mA, 100mA
I
o
u
t
=
1
0
0
m
A
C
n
p
=
0
.
0
1

F
0
.
1

F
 R.R vs Low VIN :
Ripple Rejection (dB)
 Cnp=0.00F, 0.01F, 0.1F
Vin
100
Iout=100mA
Iout=50mA
Iout=20mA
Iout=10mA
Iout=1mA
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
0
Iout (mA)
50mA
20mA
Frequency=1kHz
10mA
0.2
0.4
0.6
0.8
1
Vin-Vout(Typ) (V)
The ripple rejection (R.R) characteristic depends on the characteristic and the capacitance of the output
capacitor. The R.R characteristic at 50kHz or more varies greatly with the capacitor on the output side and
PCB pattern. Please check stability during operation.
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11.4 ON/OFF transient
Test conditions
Vin
=VoutTYP+1V
Voltage
Vcont
Cin
1.0F
立上り時間
Vout×95%
Vcont=0V2V
(f=100Hz)
Vout
Vin
Vcont
Vout
Iout=30mA
Cout
1.0F
Np
Cnp
0.001F
Time
 Cout=0.47F, 1.0F, 2.2F
 Cout=0.47F, 1.0F, 2.2F
 Cnp=0.001F, 0.01F, 0.1F
Rise time becomes longer if Cout or Cnp becomes larger.
Fall time depends on Cout.
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11.5 ON/OFF transient
Test conditions
Vin
=VoutTYP+1V
Cin
1.0F
Vin
Vcont
Vcont
1.8V
Iout
ONOFF
Vout
Cout
1.0F
Np
Cnp
0.001F
 Iout=0100mA, 5105mA
 Iout=100mA0mA, 105mA5mA
 Cout=0.47F, 1.0F, 2.2F : Iout=0mA100mA
 Cout=0.47F, 1.0F, 2.2F : Iout=100mA0mA
Increase the load side capacitor when the load change is fast or when there is a large current change. In
addition, at no load, supplying small load current to ground can reduce the voltage change.
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11.6 Line transient
 Cnp=0.001F, 0.01F, 0.1F
Test conditions
Vin
=VoutTYP+1V+2V
Vin
Vcont
Vcont
1.8V
 Cout=0.1F, 0.22F, 0.47F
015000869-E-00
Vout
Iout=30mA
Cout
1.0F
Np
Cnp
0.001F
 Cout=1.0F, 2.2F
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[AP1153ADSXX]
11.7 Output noise
 Vout vs Noise
Test conditions
80
Vin
=VoutTYP+1V
Vin
Noise (uVrms)
70
60
Cin
1.0F
50
Vout
Vcont
Iout=30mA
Cout
1.0F
Np
40
Vcont
1.8V
30
20
10
Cnp
0.01F
BPF=400Hz 80kHz
0
1.0
2.0
3.0
4.0
5.0
Vout(Typ) (V)
 Cnp vs Noise
 Iout vs Noise
Cout=0.22uF
300
Cout=0.47uF
Cout=1.0uF
Noise (uVrms)
Noise (uVrms)
250
200
Cout=2.2uF
150
100
50
0
1p
10p
Cout=0.22uF
70
65
60
55
50
45
40
35
30
25
20
Cout=0.47uF
Cout=1.0uF
Cout=2.2uF
0
100p 1000p 0.01u 0.1u
20
40
60
80
100
Iout (mA)
Cnp (F)
Increase Cnp to decrease the noise. The recommended Cnp capacitance is 0.01F  0.1F.
The amount of noise increases with the higher output voltages.
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11.8 Stability
Linear regulators require input and output capacitors in order to maintain the regulator's loop stability. If
0.22μF or larger capacitor is connected to the output pin, the IC provides stable operation at any voltage
(1.3V≤VoutTYP≤5.0V). (The capacitor must be larger than 0.22μF at all temperature and voltage range.)
If the capacitor with high Equivalent Series Resistance (ESR) is used, such as tantalum capacitor etc., the
regulator may oscillate. Please select parts with low ESR. 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 won’t be damaged by enlarging the capacity.
A recommended value of the application is Cin=Cout≥0.47μF Ceramic Capacitance.
Vin
Vout
AP1153ADSXX
Cin 0.47 F
Cout 0.47 F
Cnp
0.001 F
GND
Figure 2. Recommended value
Cout=0.1F
Cout=0.22F
100
Unstable area
ESR (Ω)
10
1
S table area
0.1
Unstable area
0.01
0
20
40 60 80 100
Iout (mA)
1.5V  VoutTYP  5.0V
Figure 3. Stable operation area, Output current and ESR
Figure 3 shows stable operation with a ceramic capacitor of 0.22F. Since it may oscillate if ESR is large, we
recommend using ceramic capacitor. The stability of the regulator improves with larger output capacitor (the
stable operation area extends.) Please use the capacitor with larger capacitance as possible.
For evaluation
Kyocera: CM05B104K10AB, CM05B224K10AB, CM105B104K16A, CM105B224K16A, CM21B225K10A
Murata: GRM36B104K10, GRM42B104K10, GRM39B104K25, GRM39B224K10, GRM39B105K6.3
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The input capacitor is necessary in case the battery voltage drops, the power supply impedance increases, or the
distance to the power supply is long. One input capacitor might be necessary for each IC or for several ICs. It
depends on circuit condition. Please confirm the stability by each circuit.
Figure 4. Example Ceramic Capacitance vs. Bias Voltage, Temperature
Generally, a ceramic capacitor has both temperature characteristic and voltage characteristic. Please consider
both characteristics when selecting the part. The B curves are the recommend characteristics.
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11.9 Operating Region and Power Dissipation
The power dissipation of the device depends 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 junction temperature during operation is shown by Tj=θJA×Pd+Ta. Junction temperature (Tj) is
limited around 140°C by the thermal protection circuit. Pd is the value when the overheating protection circuit
starts operation.
When you assume the ambient temperature to be 25°C,
140 = θJA × Pd(W) + 25
θJA × Pd = 115
θJA = 115/Pd (°C /W)
Figure 5. Example PCB layout
PCB Material: Two layer glass epoxy substrate
(x=30mm,y=30mm,t=1.0mm,Copper pattern thickness 35um)
AP1153ADSXX (SOT23-5)
Please derate 5.4mW/°C at Pd=677mW above 25°C. Thermal resistance (θJA) is 185°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: 500mW or more
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[AP1153ADSXX]
Procedure (When mounted on PCB).
Pd(mW)
1.Find Pd (Vin × Iin when the output is short-circuited).
2. Plot Pd against 25°C.
3. Connect Pd to the point corresponding to the 140°C with
a straight line.
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)
2
Pd
D Pd
5
3
4
0
0
25
50
75C
Ta(°C)
100
140C
The maximum output current at the highest operating temperature will be Iout ≈ DPd / (Vinmax-Vout).
Please use the device at low temperature with better radiation. The lower temperature provides better quality.
11.10 ON/OFF Control
It is recommended to turn the regulator off when the circuit following the regulator is not operating. A design with
small electric power loss can be implemented.
Because the control current is small, it is possible to control it directly by CMOS logic.
Control Terminal Voltage (Vcont)
Vcont > 1.8V
Vcont < 0.35V
ON/OFF State
ON
OFF
Parallel Connected ON/OFF Control
AP1153ADS50
VIN
Vout
5V
3.3V
AP1153ADS33
R
2.0V
AP1153ADS20
On/Off Cont.
Figure 6. Parallel Connection Example
Figure 6 shows the multiple regulators being controlled by a single ON/OFF control signal. There is fear of
overheating, because the power loss of the low voltage side (AP1153ADS20) is large. The series resistor (R) is put
in the input line of the low output voltage regulator in order to prevent over-dissipation. The voltage dropped across
the resistor reduces the large input-to-output voltage across the regulator, reducing the power dissipation in the
device. When the thermal sensor works, a decrease of the output voltage, oscillation, etc. may be observed.
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[AP1153ADSXX]
11.11 Noise Bypass
The noise characteristics depend on the capacitance on the Np terminal. A standard value is Cnp=0.001μF. Increase
Cnp in a design with important output noise requirements. The IC will not be damaged even the capacitor value is
increased. The on/off switching speed changes depending on the Np terminal capacitance. The switching speed
slows when the capacitance is large.
11.12 The notes of the evaluation when output terminal is short-circuit to GND
By the resonance phenomenon by Cout (C ingredient) and the short circuit line (L ingredient), which are attached to
an output terminal, an output terminal changes with minus potential. In order that Parasitism Tr arises within the IC,
and a latch rise phenomenon may occur within IC when the worst if it goes into an output terminal's minus side, it
results in damage by fire (white smoke) and breakage of a package. (f0 = 1 / 2π√ (L C))
The above-mentioned resonance phenomenon appears notably in a ceramic capacitor with the small ESR value, etc.
A resonance phenomenon can be reduced by connecting resistance (around 2ohms or more) in series with a short
circuit line. Thereby, the latch rise phenomenon within IC can be prevented.
Generally, when using tantalum or large electrolysis capacitor, the influence of resonance phenomenon can be
reduced due to the large ESR (2ohms or more).
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[AP1153ADSXX]
12. Definition of term
Relating Characteristic
Note Each characteristics 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= VoutTYP+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 maximum 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=VoutTYP+1V.
•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 the output voltage value when the input voltage is assumed to be VoutTYP +1V, 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+1.5V. 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 control 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
temperature of the chip decreases.
•Reverse Voltage Protection
Reverse voltage protection prevents damage due to the output voltage being higher than the input voltage. This
fault condition can occur when the output capacitor remains charged and the input is reduced to zero, or when an
external voltage higher than the input voltage is applied to the output side. Generally, a LDO regulator has a
diode in the input direction from an output. If an input falls from an output in an input-GND short circuit etc. and
this diode turns on, current will flow for an input terminal from an output terminal. In the case of excessive
current, IC may break. In order to prevent this, it is necessary to connect a Schottky Diode etc. outside. This
product is equipped with reverse bias over-current prevention, and excessive current does not flow in to IC.
Therefore, no need to connect diode outside.
Vin
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Vout
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[AP1153ADSXX]
13. Recommended External Circuits
■External Circuit
VIN
VIN
VOUT
Cin=0.1μF
To load
CL=0.22μF
（CL=1.0μF）
VCONT
NP
GND
Vcont
Cnp=0.1μF
Figure 7. External Circuit
■Test Circuit
5
4
Iin
A
Vin
Vin
+
Vout
Cin
CL
1.0F
Vcont
GND
Np
1
2
3
Icont
A
+
Iout
Vout
V
1.0F
Cnp
Vcont
0.001F
Figure 8. Test Circuit
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[AP1153ADSXX]
14. Package
■ Outline Dimensions
Unit: mm
Mark
Lot No.
5
4
1
1.6 0.1
+0.2
R33
xxx
3
0.4 +
 0.1
0.95
0.95
015000869-E-00
+0.10
0.125 0.05
0 ~0.15
1.1 +
 0.1
 0.2
2.9 +
+0.2
2.8 0.3
- 28 -
0.4 +
 0.2
2015/01
[AP1153ADSXX]
15. Revise History
Date
(YY/MM/DD)
15/01/21
015000869-E-00
Revision
Page
Contents
00
-
First edition
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[AP1153ADSXX]
IMPORTANT NOTICE
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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
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