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AME8855A-BET180

更新时间：2025-07-10 00:23:11
品牌：AME
描述：Regulator

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AME8855A-BET180 概述

Regulator

AME8855A-BET180 数据手册

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AME  
High PSRR, Low Noise, 600mA  
CMOS Regulator  
AME8855A  
n General Description  
n Typical Application  
The AME8855A family of positive, CMOS linear regula-  
tors provide low dropout voltage(420mV@600mA), low  
quiescent current, and low noise CMOS LDO. These  
rugged devices have both Thermal Shutdown, and Cur-  
rent limit to prevent device failure under the "Worst" of  
operating conditions.  
IN  
OUT  
IN  
OUT  
AME8855A  
EN  
GND  
C
1mF  
COUT  
1mF  
IN  
n Features  
l Low Dropout Voltage: 420mV@600mA  
l Guaranteed Current: 600mA  
l Quiescent Current: 60mA (typ.)  
l Over-Temperature Shutdown  
n Functional Block Diagram  
l Current Limiting protection  
l PSRR:60dB@10KHz  
IN  
OUT  
l Ultra-Low-Noise: 100mVRMS at 1Hz to 100KHz  
l Low Temperature Coefficient  
l Input Voltage Range 2.8V~5.5V  
l Output Voltage Range: 0.8V ~ 4.3V  
l Green Products Meet RoHS Standards  
Overcurrent  
Shutdown  
Thermal  
Shutdown  
EN  
R1  
n Applications  
-
AMP  
l Instrumentation  
+
l Portable Electronics  
l Wireless Devices  
l Cordless Phones  
l PC Peripherals  
R2  
Vref  
GND  
l Battery Powered Widgets  
Rev. B.01  
1
AME  
High PSRR, Low Noise, 600mA  
CMOS Regulator  
AME8855A  
n Pin Configuration  
3 Pin  
SOT-223  
SOT-223  
Top View  
Top View  
AME8855A-AGTxxx  
1. IN  
AME8855A-BGTxxx  
1. GND  
2. GND (TAB)  
3. OUT  
2. OUT (TAB)  
AME8855A  
AME8855 A  
3. IN  
1
2
3
3
3
1
2
3
* Die Attach:  
* Die Attach:  
Conductive Epoxy  
Non-Conductive Epoxy  
SOT-89  
SOT-89  
Top View  
Top View  
AME8855A-AFTxxx  
1. IN  
AME8855A-BFTxxx  
1. GND  
AME8855A  
AME8855A  
2. GND (TAB)  
3. OUT  
2. OUT (TAB)  
3. IN  
1
2
1
2
3
* Die Attach:  
* Die Attach:  
Conductive Epoxy  
Non-Conductive Epoxy  
SOT-89  
Top View  
AME8855A-CFTxxx  
1. GND  
AME8855A  
2. IN (TAB)  
3. OUT  
1
2
* Die Attach:  
Non-Conductive Epoxy  
2
Rev. B.01  
AME  
High PSRR, Low Noise, 600mA  
CMOS Regulator  
AME8855A  
n Pin Configuration (Contd.)  
3 Pin  
SOT-23  
SOT-23  
Top View  
Top View  
AME8855A-AETxxx  
AME8855A-BETxxx  
3
3
1. IN  
1. GND  
2. OUT  
2. GND  
3. OUT  
AME8855A  
3. IN  
AME8855A  
* Die Attach:  
* Die Attach:  
1
2
Non-Conductive Epoxy  
1
2
Non-Conductive Epoxy  
5 Pin  
8 Pin  
SOT-25  
Top View  
SOP-8  
Top View  
AME8855A-AEVxxx  
1. IN  
AME8855A-AHAxxx  
1. IN  
8
7
6
5
5
4
2. GND  
2. GND  
3. GND  
4. OUT  
AME8855A  
3. EN  
A
AME 8855  
4. NC  
5. OUT  
5. NC  
1
2
3
6. GND  
* Die Attach:  
7. GND  
1
2
3
4
Conductive Epoxy  
8. EN  
* Die Attach:  
Conductive Epoxy  
Rev. B.01  
3
AME  
High PSRR, Low Noise, 600mA  
CMOS Regulator  
AME8855A  
n Pin Description  
SOT-223  
Pin Number  
Pin Name  
Pin Description  
A
B
Input voltage pin; should be decoupled with 1µF or greater  
capacitor.  
1
3
IN  
2
3
1
2
GND  
OUT  
Ground connection pin.  
LDO voltage regulator output pin; should be decoupled with a 1.0µF  
or greater value low ESR ceramic capacitor.  
SOT-89  
Pin Number  
B
Pin Name  
Pin Description  
A
C
Input voltage pin; should be decoupled with 1µF or greater  
capacitor.  
1
3
1
2
2
IN  
2
3
1
3
GND  
OUT  
Ground connection pin.  
LDO voltage regulator output pin; should be decoupled with a 1.0µF  
or greater value low ESR ceramic capacitor.  
4
Rev. B.01  
AME  
High PSRR, LowNoise, 600mA  
CMOS Regulator  
AME8855A  
„ Pin Description  
SOP-8  
Pin Name  
Pin Description  
IN  
Input voltage pin; should be decoupled with 1μF or greater capacitor.  
Ground connection pin.  
GND  
GND  
OUT  
NC  
Ground connection pin.  
LDO voltage regulator output pin; should be decoupled with a 1.0μF or greater value low ESR  
ceramic capacitor.  
No connection.  
GND  
GND  
EN  
Ground connection pin.  
Ground connection pin.  
Enable pin, Active “high". When pulled “low”, the PMOS pass transistor turns off, current  
consuming less than 1μA. When EN pin floating outside, it’s weakly pulled low by internal small  
current source .  
Rev. B.01  
5
AME  
High PSRR, Low Noise, 600mA  
CMOS Regulator  
AME8855A  
n Pin Configuration  
SOT-23  
Pin Number  
Pin Name  
Pin Description  
A
B
1
3
IN  
Input voltage pin; should be decoupled with 1µF or greater capacitor.  
Ground connection pin.  
2
3
1
2
GND  
OUT  
LDO voltage regulator output pin; should be decoupled with a 1.0µF  
or greater value low ESR ceramic capacitor.  
SOT-25  
Pin Number  
Pin Name  
Pin Description  
1
2
IN  
Input voltage pin; should be decoupled with 1µF or greater capacitor.  
Ground connection pin.  
GND  
Enable pin, Active “high". When pulled “low”, the PMOS pass transistor  
turns off, current consuming less than 1µA. When EN pin floating outside,  
it’ s weakly pulled low by internal small current source .  
3
EN  
4
5
NC  
No connection.  
LDO voltage regulator output pin; should be decoupled with a 1.0µF or  
greater value low ESR ceramic capacitor.  
OUT  
6
Rev. B.01  
AME  
High PSRR, Low Noise, 600mA  
CMOS Regulator  
AME8855A  
n Ordering Information  
AME8855A - x x x xxx  
Output Voltage  
Number of Pins  
Package Type  
Pin Configuration  
Package  
Type  
Number of  
Output Voltage  
Pins  
Pin Configuration  
A
1. IN  
2. GND  
3. OUT  
E: SOT-2X  
F: SOT-89  
G: SOT-223  
H: SOP  
A: 8  
T: 3  
V: 5  
080: 0.8V  
090: 0.9V  
100: 1.0V  
110: 1.1V  
120: 1.2V  
130: 1.3V  
140: 1.4V  
150: 1.5V  
(SOT-223)  
(SOT-23)  
(SOT-89)  
1. GND  
2. OUT  
3. IN  
B
(SOT-223)  
(SOT-23)  
(SOT-89)  
:
:
:
:
4.2V  
430: 4.3V  
C
1. GND  
2. IN  
420:  
(SOT-89)  
3. OUT  
1. IN  
A
(SOT-25) 2. GND  
3. EN  
4. BYP  
5. OUT  
A
(SOP-8)  
1. IN  
2. GND  
3. GND  
4. OUT  
5. NC  
6. GND  
7. GND  
8. EN  
Rev. B.01  
7
AME  
High PSRR, Low Noise, 600mA  
CMOS Regulator  
AME8855A  
n Absolute Maximum Ratings  
Parameter  
Maximum  
-0.3 to 6  
Unit  
V
Input Voltage  
EN Voltage  
-0.3 to 6  
V
Output Current  
Output Voltage  
PD/(VIN-VOUT  
)
mA  
V
GND-0.3 to VIN+0.3  
HBM  
2
kV  
ESD Classification  
MM  
200  
V
Caution: Stress above the listed in absolute maximum ratings may cause permanent damage to the device.  
n Recommended Operating Conditions  
Parameter  
Ambient Temperature Range  
Junction Temperaturen Range  
Storage Temperaturen Range  
Symbol  
Rating  
- 40 to +85  
- 40 to +125  
- 65 to +150  
Unit  
oC  
TA  
TJ  
oC  
oC  
TSTG  
8
Rev. B.01  
AME  
High PSRR, Low Noise, 600mA  
CMOS Regulator  
AME8855A  
n Thermal Information  
Parameter  
Package  
Die Attach  
Symbol Maximum  
Unit  
Conductive Epoxy  
40  
46  
25  
SOT-89  
Non-Conductive Epoxy  
Conductive Epoxy  
Thermal Resistance*  
(Junction to Case)  
oC / W  
qJ  
SOT-223  
C
Non-Conductive Epoxy  
Non-Conductive Epoxy  
Conductive Epoxy  
31  
SOT-23  
SOT-25  
140  
81  
Conductive Epoxy  
180  
180  
SOT-89  
Non-Conductive Epoxy  
Conductive Epoxy  
120  
Thermal Resistance  
(Junction to Ambient)  
oC / W  
qJA  
SOT-223  
Non-Conductive Epoxy  
Non-Conductive Epoxy  
Conductive Epoxy  
135  
280  
260  
550  
550  
SOT-23  
SOT-25  
Conductive Epoxy  
SOT-89  
Non-Conductive Epoxy  
Conductive Epoxy  
900  
PD  
Internal Power Dissipation  
SOT-223  
mW  
Non-Conductive Epoxy  
Non-Conductive Epoxy  
Conductive Epoxy  
800  
400  
400  
260  
SOT-23  
SOT-25  
oC  
Lead Temperature (Soldering, 10Sec.)**  
* Measure qJC on backside center of molding compound if IC has no tab.  
** MIL-STD-202G 210F  
Rev. B.01  
9
AME  
High PSRR, Low Noise, 600mA  
CMOS Regulator  
AME8855A  
n Electrical Specifications  
VIN=VOUT(NOM) +1V, (for VOUT<2V, VIN=2.8V), IOUT=1mA, and COUT=1mF, C =1mF unless otherwise noted.  
IN  
Typical values are at TA=25oC.  
Test Condition  
Parameter  
Input Voltage  
Symbol  
Min  
Typ  
Max Units  
VIN  
2.8  
5.5  
V
%
V
VOUT,ACC  
VOUT  
IOUT=1mA  
Output Accuracy  
-2.0  
0.8  
2.0  
Output Voltage Range  
4.3  
Note2  
850  
≦
≦
IOUT=600mA, 0.8V VOUT(NOM) 2.0V  
IOUT=600mA, 2.0V<VOUT(NOM)≦2.8V  
IOUT=600mA, 2.8V<VOUT(NOM)  
Dropout Voltage  
(Note 1)  
VDROP  
mV  
mA  
420  
60  
650  
IOUT  
IQ  
Output Current  
600  
IOUT=0mA  
m
A
Quiescent Current  
90  
IOUT=1mA, 0.8V≦VOUT≦1.2V,  
2.8V≦VIN≦3.5V  
0.125 0.25  
Line Regulation  
IOUT=1mA, 1.2V<VOUT≦2.0V,  
2.8V≦VIN≦3.5V  
0.1  
0.2  
0.1  
DVOUT  
´ 100%  
DVIN  
REGLINE  
%/V  
≦
IOUT=1mA, 2.0V<VOUT 4.2V,  
VOUT  
0.05  
≦
≦
VIN(MIN) VIN VIN(MIN)+1V  
≦
IOUT=1mA, 4.2V<VOUT 4.5V,  
0.05 0.25  
≦
≦
VIN(MIN) VIN 5.5V  
≦
≦
1mA IOUT 600mA  
1.5  
1.25  
1.0  
3
≦
≦
Load Regulation  
0.8V VOUT(NOM) 1.2V  
DVOUT  
´ 100%  
VOUT  
1mA≦IOUT≦600mA  
REGLOAD  
%/A  
2.5  
2.0  
≦
≦
1.2V VOUT(NOM) 2.0V  
DIOUT  
≦
≦
1mA IOUT 600mA  
2.0V<VOUT(NOM)  
10  
Rev. B.01  
AME  
High PSRR, LowNoise, 600mA  
CMOS Regulator  
AME8855A  
„ Electrical Specifications (Contd.)  
Test Condition  
Parameter  
Symbol  
Min  
Typ Max Units  
F=100Hz  
F=1KHz  
F=10KHz  
60  
COUT=1uF, VOUT=0.8V  
Power Supply  
Rejection Ration  
IOUT=10mA  
PSRR  
dB  
60  
60  
VIN=2.8V  
IOUT=10mA, VOUT=0.8V,  
f=1Hz to 100KHz  
μVRMS  
Output Voltage Noise  
eN  
100  
VEN,HI  
VEN,LO  
IEN,HI  
V
IN(MIN)≦VIN≦5.5V  
IN(MIN)≦VIN≦5.5V  
VEN=VIN  
VIN  
0.4  
8
Enable High (Enabled)  
Enable Low (Shutdown)  
1.4  
0
V
V
Enable Input Bias Current  
μA  
VEN=0V  
IEN,LO  
1
VIN=5.0V, VEN=0V  
IOUT=0.4mA, VEN=0  
ISHDN  
Shutdown Current  
Shutdown Output Voltage  
Protection  
0.1  
1
μA  
VOUT,SD  
0.4  
V
VOUT=0.9 x VOUT(NOM)  
ILIM  
ISC  
Output Current Limit  
Short-Circuit Current  
750  
mA  
oC  
VOUT≦0.6V  
300  
150  
Thermal Shutdown  
Temperature  
TSHDN  
Shutdown, temperature increasing  
Thermal Shutdown  
Hysteresis  
TSHDN(HYS)  
20  
Note1: Dropout Voltage is measured at VOUT=VOUT(NOM)x98%  
Note2:For VOUT below 2.0V, Dropout Voltage is the Input(MIN) Voltage to Output Voltage differential.  
Rev. B.01  
11  
AME  
High PSRR, Low Noise, 600mA  
CMOS Regulator  
AME8855A  
Capacitor Selection and Regulator Stability  
n Detailed Description  
The maximum output power of the AME8855 is limited  
by the maximum power dissipation of the package. By  
calculation the power dissipation of the package as a  
function of the input voltage, output voltage and output  
current, the maximum input voltage can be obtained. The  
maximum power dissipation should not exceed the  
package’ s maximum power rating.  
The AME8855 family of CMOS regulators contain a  
PMOS pass transistor, voltage reference, error amplifier,  
over-current protection thermal shutdown, and Power Good  
detection circuitry.  
The P-channel pass transistor receives data from the  
error amplifier, over-current shutdown, and thermal pro-  
tection circuits. During normal operation, the error ampli-  
fier compares the output voltage to a precision reference.  
Over-current and Thermal shutdown circuits become ac-  
tive when the junction temperature exceeds 150oC, or  
the current exceeds 600mA. During thermal shutdown,  
the output voltage remains low. Normal operation is re-  
stored when the junction temperature drops more 20oC.  
PMAX = (VIN(MAX)-VOUT) x IOUT  
Where:  
VIN(MAX) = maximum input voltage  
PMAX = maximum power dissipation of the package  
Capacitor Selection and Regulator Stability  
The AME8855 is stable with an output capacitor to  
ground of 1mF or greater. Ceramic capacitors have the  
lowest ESR, and will offer the best AC performance. Con-  
versely, Aluminum Electrolytic capacitors exhibit the high-  
est ESR, resulting in the poorest AC response. Unfortu-  
nately, large value ceramic capacitors are comparatively  
expensive. One option is to parallel a 0.1mF ceramic  
capacitor with a 10mF Aluminum Electrolytic. The benefit  
is low ESR, high capacitance, and low overall cost.  
A second capacitor is recommended between the in-  
put and ground to stabilize VIN. The input capacitor should  
be at least 0.1mF to have a beneficial effect.  
Enable Pin  
The Enable Pin is pull-low. When activated pulled low,  
the MOS pass transistor shuts off, and all internal cir-  
cuits are powered down. In this state, the stand by cur-  
rent is less than 1mA.  
12  
Rev. B.01  
AME  
High PSRR, Low Noise, 600mA  
CMOS Regulator  
AME8855A  
n Characterization Curve  
Output Voltage  
Output Voltage  
1.05  
1.05  
1.04  
1.03  
1.02  
1.01  
1.00  
0.99  
0.98  
0.97  
1.04  
1.03  
1.02  
1.01  
1.00  
0.99  
0.98  
VIN = 2.8V  
VOUT = 1V  
IOUT = 600mA  
VIN = 2.8V  
VOUT = 1V  
IOUT = 1mA  
0.97  
0.96  
0.95  
0.96  
0.95  
-40 -25 -10  
+5 +20 +35 +50 +65 +80 +95 +110 +125  
-40 -25 -10 +50 +20 +35 +50 +65 +80 +95 +110 +125  
Temperature (OC)  
Temperature (OC)  
Output Voltage  
Output Voltage  
4.45  
4.45  
4.40  
4.35  
4.30  
4.40  
4.35  
4.30  
4.25  
4.25  
4.20  
4.15  
VIN = 5.5V  
VOUT = 4.3V  
IOUT = 600mA  
VIN = 5.5V  
VOUT = 4.3V  
IOUT = 1mA  
4.20  
4.15  
-40 -25 -10 +5 +20 +35 +50 +65 +80 +95 +110 +125  
-40 -25 -10 +5 +20 +35 +50 +65 +80 +95 +110 +125  
Temperature (OC)  
Temperature (OC)  
Quiescent Current  
Quiescent Current  
100  
90  
80  
70  
60  
50  
40  
30  
20  
100  
90  
80  
70  
60  
50  
40  
30  
20  
10  
0
VOUT = 1V  
VOUT = 4.3V  
10  
0
-40 -20 -10 +5 +20 +35 +50 +65 +80 95 +110 +125  
-40 -25 -10 +5 +20 +35 +50 +65 +80 +95 +110 +125  
Temperature(OC)  
Temperature(OC)  
Rev. B.01  
13  
AME  
High PSRR, Low Noise, 600mA  
CMOS Regulator  
AME8855A  
n Characterization Curve (Contd.)  
Current Limit vs Input Voltage  
Current Limit vs Input Voltage  
1600  
1600  
1400  
1200  
1000  
800  
1400  
1200  
1000  
800  
VOUT = 1V  
VOUT = 4.3V  
600  
600  
2.8  
3.8  
4.8  
5.5  
5.3  
5.4  
5.5  
Input Voltage (V)  
Input Voltage (V)  
Dropout Voltage  
Stability vs. ESR vs. Load Current  
700  
600  
10.00  
Unstable Range  
500  
400  
300  
1.00  
0.10  
Stable Range  
200  
100  
0.01  
VOUT = 4.3V  
0.005  
VIN = 5V  
CIN = COUT = 1mF / X7R  
Unstable Range  
200  
-40 -25 -10 +5  
+20 +35 +50 +65 +80 +95 + 110  
0.00  
0
50  
100  
150  
250  
300  
Temperature (OC)  
Load Current(mA)  
Short Circuit Current Protection  
Short Circuit Current Protection  
800  
700  
800  
700  
600  
600  
500  
400  
300  
500  
400  
300  
200  
VOUT = 1V  
VOUT = 1V  
200  
5.5  
2.8  
3.8  
4.8  
5.5  
5.3  
Input Voltage (V)  
Input Voltage (V)  
14  
Rev. B.01  
AME  
High PSRR, Low Noise, 600mA  
CMOS Regulator  
AME8855A  
n Characterization Curve (Contd.)  
Line Transient Response  
Line Transient Response  
TA = -40OC  
VOUT = 1V  
5.5V  
4.8V  
5.5V  
IOUT = 10mA  
TA= -40OC  
VOUT = 4.3V  
IOUT = 10mA  
2.8V  
20mV  
0
20 mV  
0
-20 mV  
-20 mV  
20mS / div  
20mS / div  
Line Transient Response  
Line Transient Response  
TA = 25OC  
VOUT = 1V  
5.5V  
5.5V  
IOUT = 10mA  
4.8V  
TA = 25OC  
VOUT = 4.3V  
IOUT = 10mA  
2.8V  
20mV  
0
20mV  
0
-20mV  
-20mV  
20mS / div  
20mS / div  
Line Transient Response  
Line Transient Response  
TA = 125OC  
VOUT = 1V  
5.5V  
4.8V  
5.5V  
IOUT = 10mA  
TA = 125O C  
VOUT = 4.3V  
IOUT = 10mA  
2.8V  
20mV  
0
20mV  
0
-20mV  
-20mV  
20mS / div  
20mS / div  
Rev. B.01  
15  
AME  
High PSRR, Low Noise, 600mA  
CMOS Regulator  
AME8855A  
n Characterization Curve (Contd.)  
Line Transient Response  
Line Transient Response  
TA = -40OC  
VOUT = 1V  
IOUT = 600mA  
5.5V  
5.5V  
4.8V  
TA = -40OC  
VOUT = 4.3V  
IOUT = 600mA  
2.8V  
20mV  
20mV  
0
0
-20mV  
-20mV  
20mS / div  
20mS / div  
Line Transient Response  
Line Transient Response  
TA = 25O  
VOUT = 4.3V  
C
TA = 25OC  
5.5V  
4.8V  
IOUT = 600mA  
VOUT = 1V  
IOUT = 600mA  
5.5V  
2.8V  
40mV  
20mV  
20mV  
0
0
-20mV  
-20mV  
20mS / div  
20mS / div  
Line Transient Response  
Line Transient Response  
TA = 125OC  
VOUT = 1V  
5.5V  
5 .5V  
4 .8V  
IOUT = 600mA  
TA = 125OC  
VOUT = 4.3V  
IOUT = 600mA  
2.8V  
40 mV  
20mV  
20 mV  
0
0
-20 mV  
-20mV  
-40 mV  
20mS / div  
20mS / div  
16  
Rev. B.01  
AME  
High PSRR, Low Noise, 600mA  
CMOS Regulator  
AME8855A  
n Characterization Curve (Contd.)  
Load Transient Response  
Load Transient Response  
TA = -40OC  
VOUT = 1V  
TA = -40OC  
VOUT = 1V  
20mV  
20mV  
IOUT = 10~600mA  
IOUT = 10~600mA  
0
0
-20mV  
-20mV  
600mA  
10mA  
600mA  
10mA  
Time (20mSec/DIV)  
Time (20mSec/DIV)  
Load Transient Response  
Load Transient Response  
TA =25OC  
VOUT = 4.3V  
IOUT = 10~600m A  
TA =25O  
VOUT = 1V  
IOUT = 10~600mA  
C
20mV  
0
20mV  
0
-20mV  
-20mV  
600mA  
600mA  
10mA  
10mA  
Time (20mSec/DIV)  
Time (20mSec/DIV)  
Load Transient Response  
Load Transient Response  
TA =125OC  
TA =125OC  
VOUT = 1V  
IOUT = 10~600mA  
VOUT = 4.3V  
IOUT = 10~600mA  
20mV  
20mV  
0
0
-20mV  
-20mV  
600mA  
600mA  
10mA  
10mA  
Time (20mSec/DIV)  
Time (20mSec/DIV)  
Rev. B.01  
17  
AME  
High PSRR, Low Noise, 600mA  
CMOS Regulator  
AME8855A  
n Characterization Curve (Contd.)  
Chip Enable Transient Response  
Chip Enable Transient Response  
1
1
2
VOUT = 1V  
IOUT = 0mA  
VOUT = 4.3V  
IOUT = 0mA  
2
10mS / DIV  
40mS / DIV  
1) EN= 2V/div  
2) VOUT= 2V/div  
1) EN= 2V/div  
2) VOUT= 500mV/div  
Chip Enable Transient Response  
Chip Enable Transient Response  
1
1
2
VOUT = 1V  
VOUT = 4.3V  
IOUT = 600mA  
2
IOUT = 600mA  
10mS / DIV  
40mS / DIV  
1) EN= 1V/div  
2) VOUT= 500mV/div  
1) EN= 2V/div  
2) VOUT= 2V/div  
18  
Rev. B.01  
AME  
High PSRR, Low Noise, 600mA  
CMOS Regulator  
AME8855A  
n Characterization Curve (Contd.)  
Shut down curve Output Voltage  
Shut down curve Output Voltage  
1
1
2
2
VOUT = 1V  
VOUT = 1V  
IOUT = 600mA  
IOUT = 0mA  
40mS / DIV  
4mS / DIV  
1) EN= 1V/div  
1) EN= 1V/div  
2) VOUT= 500mV/div  
2) VOUT= 500mV/div  
Shut down curve Output Voltage  
Shut down curve Output Voltage  
1
1
2
2
VOUT = 4.3V  
IOUT = 0mA  
VOUT = 4.3V  
IOUT = 600mA  
40mS / DIV  
20mS / DIV  
1) EN= 2V/div  
2) VOUT= 2V/div  
1) EN= 2V/div  
2) VOUT= 2V/div  
Rev. B.01  
19  
AME  
High PSRR, Low Noise, 600mA  
CMOS Regulator  
AME8855A  
n Characterization Curve (Contd.)  
PSRR vs Frequency  
100  
90  
80  
70  
60  
50  
40  
30  
20  
VOUT = 1V  
10  
IOUT = 10mA  
0
100  
1K  
10K  
100K  
1M  
Frequency(Hz)  
20  
Rev. B.01  
AME  
High PSRR, Low Noise, 600mA  
CMOS Regulator  
AME8855A  
n Tape and Reel Dimension  
SOT-223  
Carrier Tape, Number of Components Per Reel and Reel Size  
Package  
Carrier Width (W)  
Pitch (P)  
Part Per Full Reel  
Reel Size  
SOT-223  
12.0±0.1 mm  
4.0±0.1 mm  
2500pcs  
330±1 mm  
SOP-8  
Carrier Tape, Number of Components Per Reel and Reel Size  
Package  
Carrier Width (W)  
Pitch (P)  
Part Per Full Reel  
Reel Size  
SOP-8  
12.0±0.1 mm  
4.0±0.1 mm  
2500pcs  
330±1 mm  
Rev. B.01  
21  
AME  
High PSRR, Low Noise, 600mA  
CMOS Regulator  
AME8855A  
n Tape and Reel Dimension (Contd.)  
SOT-89  
Carrier Tape, Number of Components Per Reel and Reel Size  
Package  
Carrier Width (W)  
Pitch (P)  
Part Per Full Reel  
Reel Size  
SOT-89  
12.0±0.1 mm  
4.0±0.1 mm  
1000pcs  
180±1 mm  
22  
Rev. B.01  
AME  
High PSRR, Low Noise, 600mA  
CMOS Regulator  
AME8855A  
n Tape and Reel Dimension (Contd.)  
SOT-23  
P
W
AME  
AME  
PIN 1  
Carrier Tape, Number of Components Per Reel and Reel Size  
Package  
Carrier Width (W)  
Pitch (P)  
Part Per Full Reel  
Reel Size  
SOT-23  
8.0±0.1 mm  
4.0±0.1 mm  
3000pcs  
180±1 mm  
SOT-25  
P
W
AME  
AME  
PIN1  
Carrier Tape, Number of Components Per Reel and Reel Size  
Package  
Carrier Width (W)  
Pitch (P)  
Part Per Full Reel  
Reel Size  
SOT-25  
8.0±0.1 mm  
4.0±0.1 mm  
3000pcs  
180±1 mm  
Rev. B.01  
23  
AME  
High PSRR, Low Noise, 600mA  
CMOS Regulator  
AME8855A  
n Package Dimension  
SOT-223  
Top View  
Side View  
D
B1  
θ
C
o
13 (4X)  
H
E
K
PIN 1  
e
Front View  
13 o(4X)  
F
A1  
MILLIMETERS  
INCHES  
MIN MAX  
B
SYMBOLS  
MIN  
0.01  
0.60  
2.90  
0.23  
6.20  
3.30  
MAX  
0.10  
0.84  
3.15  
0.38  
6.71  
3.71  
A1  
B
0.0004 0.0039  
0.0236 0.0330  
0.1140 0.1240  
0.0091 0.0150  
0.2441 0.2640  
0.1299 0.1460  
0.0906 BSC  
B1  
C
D
E
e
2.30 BSC  
F
H
K
q
1.40  
6.70  
1.80  
7.30  
0.0551 0.0709  
0.2638 0.2874  
0.0656 0.0657  
1.665  
0o  
1.669  
10o  
0o  
10o  
24  
Rev. B.01  
AME  
High PSRR, Low Noise, 600mA  
CMOS Regulator  
AME8855A  
n Package Dimension (Contd.)  
SOP-8  
Top View  
Side View  
C
E
H
L
PIN 1  
θ
D
Front View  
MILLIMETERS  
INCHES  
MIN MAX  
7o (4X)  
SYMBOLS  
MIN  
1.35  
0.10  
MAX  
1.75  
0.30  
A
A1  
A2  
B
C
D
E
0.0531 0.0689  
0.0039 0.0118  
0.0580 REF  
1.473 REF  
e
0.33  
0.17  
4.70  
3.80  
0.51  
0.25  
5.33  
4.00  
0.0130 0.0201  
0.0067 0.0098  
0.1850 0.2098  
0.1496 0.1575  
0.0500 BSC  
B
1.27 BSC  
e
L
0.40  
5.80  
-
1.27  
6.30  
0.10  
0.0157 0.0500  
0.2283 0.2480  
H
y
-
0.0039  
8o  
0o  
8o  
0o  
q
Rev. B.01  
25  
AME  
High PSRR, Low Noise, 600mA  
CMOS Regulator  
AME8855A  
n Package Dimension (Contd.)  
SOT-89  
TOP VIEW  
SIDE VIEW  
BOTTOM VIEW  
D2  
D
D1  
E2  
3'  
10'  
PIN 1  
C
S1  
e
MILLIMETERS  
INCHES  
MIN MAX  
SYMBOLS  
MIN  
MAX  
A
1.39  
1.60  
0.0547 0.0630  
0.0315 REF  
I
A1  
0.8 REF  
FRONT VIEW  
C
D
D1  
E
I
0.35  
4.39  
1.35  
2.28  
0.32  
0.44  
4.60  
1.83  
2.60  
0.56  
0.0138 0.0173  
0.1728 0.1811  
0.0531 0.0720  
0.0898 0.1024  
0.0126 0.0220  
0.1181 REF  
3.00 REF  
e
0.70 REF  
1.50 REF  
0.0276 REF  
H
0.0591 REF  
S1  
E2  
D2  
0.0807 0.1024  
0.0591 0.0728  
2.05  
1.50  
2.60  
1.85  
26  
Rev. B.01  
AME  
High PSRR, Low Noise, 600mA  
CMOS Regulator  
AME8855A  
n Package Dimension (Contd.)  
SOT-25  
Top View  
Side View  
D
θ1  
S1  
PIN1  
e
Front View  
MILLIMETERS  
INCHES  
MIN MAX  
SYMBOLS  
MIN  
0.90  
0.00  
0.30  
2.70  
1.40  
MAX  
1.30  
0.15  
0.55  
3.10  
1.80  
A
0.0354 0.0512  
0.0000 0.0059  
0.0118 0.0217  
0.1063 0.1220  
0.0551 0.0709  
0.0748 BSC  
b
A1  
b
D
E
e
1.90 BSC  
H
L
2.60  
3.00  
0.1024 0.1181  
0.0146 BSC  
0.37 BSC  
q
0o  
10o  
0o  
10o  
1
0.95 BSC  
0.0374 BSC  
S1  
Rev. B.01  
27  
AME  
High PSRR, Low Noise, 600mA  
CMOS Regulator  
AME8855A  
n Package Dimension (Contd.)  
SOT-23  
Top View  
Side View  
D
θ1  
e
PIN 1  
Front View  
MILLIMETERS  
INCHES  
MIN MAX  
SYMBOLS  
MIN  
0.90  
0.00  
0.30  
2.70  
1.40  
MAX  
1.40  
0.15  
0.50  
3.10  
1.80  
A
0.0354 0.0551  
0.0000 0.0059  
0.0118 0.0197  
0.1063 0.1220  
b
A1  
b
D
E
e
0.0551 0.0709  
0.0748 BSC  
1.90 BSC  
H
L
2.40  
3.00  
0.0945 0.1181  
0.0138 BSC  
0.35BSC  
0o  
10o  
0o  
10o  
q
1
28  
Rev. B.01  
AME  
High PSRR, Low Noise, 600mA  
CMOS Regulator  
AME8855A  
n Lead Pattern  
SOT-223  
4.00 BSC  
1.20 BSC  
2.30 BSC 2.30 BSC  
Note:  
1. Lead pattern unit description:  
BSC: Basic. Represents theoretical exact dimension or dimension target.  
2. Dimensions in Millimeters.  
3. General tolerance +0.05mm unless otherwise specified.  
Rev. B.01  
29  
AME  
High PSRR, Low Noise, 600mA  
CMOS Regulator  
AME8855A  
n Lead Pattern (Contd.)  
SOP-8  
7.400 BSC  
3.000 BSC  
2.200 BSC  
5.200 BSC  
Note:  
1. Lead pattern unit description:  
BSC: Basic. Represents theoretical exact dimension or dimension target.  
2. Dimensions in Millimeters.  
3. General tolerance +0.05mm unless otherwise specified.  
30  
Rev. B.01  
AME  
High PSRR, Low Noise, 600mA  
CMOS Regulator  
AME8855A  
n Lead Pattern (Contd.)  
SOT-89  
2.600 BSC  
1.400 BSC  
45oC  
1.800 BSC  
1.600 BSC  
3.000 BSC  
Note:  
1. Lead pattern unit description:  
BSC: Basic. Represents theoretical exact dimension or dimension target.  
2. Dimensions in Millimeters.  
3. General tolerance +0.05mm unless otherwise specified.  
Rev. B.01  
31  
AME  
High PSRR, Low Noise, 600mA  
CMOS Regulator  
AME8855A  
n Lead Pattern (Contd.)  
SOT-25  
0.70 BSC  
0.95 BSC  
0.95 BSC  
1.90 BSC  
Note:  
1. Lead pattern unit description:  
BSC: Basic. Represents theoretical exact dimension or dimension target.  
2. Dimensions in Millimeters.  
3. General tolerance +0.05mm unless otherwise specified.  
32  
Rev. B.01  
www.ame.com.tw  
E-Mail: sales@ame.com.tw  
Life Support Policy:  
These products of AME, Inc. are not authorized for use as critical components in life-support  
devices or systems, without the express written approval of the president  
of AME, Inc.  
AME, Inc. reserves the right to make changes in the circuitry and specifications of its devices and  
advises its customers to obtain the latest version of relevant information.  
©AME, Inc. , April 2012  
Document: TM001-DS8855A-B.01  
Corporate Headquarter  
AME, Inc.  
8F, 12, WenHu St., Nei Hu  
Taipei, Taiwan. 114  
Tel: 886 2 2627-8687  
Fax: 886 2 2659-2989  

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