AME8852A-AEU150 [AME]
High PSRR, Low Noise, 150mA CMOS Regulator;
| 型号： | AME8852A-AEU150 |
| 厂家： | 
ANALOG MICROELECTRONICS |
| 描述： | High PSRR, Low Noise, 150mA CMOS Regulator |
| 文件： | 总20页 (文件大小：468K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
AME
High PSRR, LowNoise, 150mA
CMOS Regulator
AME8852A
¢ General Description
¢ TypicalApplication
TheAME8852Afamily of positive, CMOS linear regula-
tors provide low dropout voltage(110mV@150mA), 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
AME8852A
EN
GND
COUT
1µF
C1
1µF
¢ Features
ò LowDropout Voltage: 110mV@150mA
ò Guaranteed Current: 150mA
¢ Functional Block Diagram
IN
OUT
ò Quiescent Current: 60µA (typ.)
ò Over-Temperature Shutdown
ò Current Limiting protection
Overcurrent
Shutdown
ò PSRR: 60dB@10KHz
ò Ultra-Low-Noise: 100µVRMS at 1Hz to 100KHz
ò Low Temperature Coefficient
Thermal
Shutdown
ò Input Voltage Range: 2.5V~5.5V
ò Output Voltage Range: 0.8V~4.3V
ò Green Products Meet RoHS Standards
EN
R1
-
AMP
+
¢Applications
ò Instrumentation
R2
ò Portable Electronics
ò Wireless Devices
ò Cordless Phones
ò PC Peripherals
Vref
GND
ò Battery Powered Widgets
Rev. C.01
1
AME
High PSRR, LowNoise, 150mA
CMOS Regulator
AME8852A
¢ Pin Configuration
SC-70-4
Top View
SOT-25/TSOT-25A
Top View
4
3
5
4
AME8852-AIUxxx
1. EN
AME8852-AEVxxx
1. IN
2. GND
2. GND
AME8852A
AME8852A
3. OUT
3. EN
4. IN
4. NC
1
2
5. OUT
1
2
3
* Die Attach:
Conductive Epoxy
* Die Attach:
Conductive Epoxy
¢ Pin Description
Pin Number
Pin Name
Pin Description
SOT-25 /
SC-70-4
TSOT-25A
Enable pin, Active “high". When pulled “low”, the PMOS pass
transistor turns off, current consuming less than 1ꢀA. When
EN pin floating outside, it’s weakly pulled low by internal small
current source .
1
3
EN
N/A
2
4
2
NC
No connection.
GND
Ground connection pin.
LDO voltage regulator output pin; should be decoupled with a
1ꢀF or greater capacitor.
3
4
5
1
OUT
IN
Input voltage pin; should be decoupled with 1ꢀF or greater
capacitor.
2
Rev. C.01
AME
High PSRR, LowNoise, 150mA
CMOS Regulator
AME8852A
¢ Ordering Information
AME8852A- x x x xxx x
Special Feature
Output Voltage
Number of Pins
Package Type
Pin Configuration
Number of
Pins
Pin Configuration
Package Type
Output Voltage
Special Feature
A
(SC-70-4)
1. EN
2. GND
E: SOT-2X
I: SC-70
U: 4
V: 5
080: 0.8V
090: 0.9V
N/A: SOT-2X
K: 0.9mm max height
3. OUT
4. IN
100: 1.0V
110: 1.1V
(for TSOT-2XA Only)
1.2V
120:
A
1. IN
130: 1.3V
140: 1.4V
150: 1.5V
(SOT-25)
2. GND
3. EN
4. NC
5. OUT
(TSOT-25A)
:
:
:
:
4.2V
420:
430: 4.3V
Rev. C.01
3
AME
High PSRR, LowNoise, 150mA
CMOS Regulator
AME8852A
¢ Absolute Maximum Ratings
Parameter
Input Voltage
Maximum
Unit
V
-0.3 to 6
Output Current
PD/(VIN-VOUT)
mA
V
Output Voltage
GND-0.3 to VIN+0.3
HBM
2
kV
V
ESD Classification
MM
200
¢ Recommended Operating Conditions
Parameter
Symbol
TA
Rating
-40 to +85
-40 to +125
-65 to +150
Unit
Ambient Temperature Range
Junction Temperature Range
Storage Temperature Range
oC
TJ
TSTG
¢ Thermal Information
Parameter
Package
Die Attach
Symbol Maximum Unit
SC-70-4
SOT-25
224
Thermal Resistance*
(Junction to Case)
oC / W
Conductive Epoxy
θJC
θJA
PD
81
TSOT-25A
SC-70-4
SOT-25
81
331
260
230
300
400
455
260
Thermal Resistance
(Junction to Ambient)
oC / W
Conductive Epoxy
Conductive Epoxy
TSOT-25A
SC-70-4
SOT-25
Internal Power Dissipation
mW
oC
TSOT-25A
Lead Temperature (Soldering, 10Sec.)**
* Measure θJC on backside center of molding compound if IC has no tab.
** MIL-STD-202G210F
4
Rev. C.01
AME
High PSRR, LowNoise, 150mA
CMOS Regulator
AME8852A
¢ Electrical Specifications
VIN=VOUT(NOM) +1V, (for VOUT<2V, VIN=2.5V), IOUT=1mA, and COUT=1µF, CIN=1µF unless otherwise noted.
Typical values are at TA=25oC.
Parameter
Input Voltage
Symbol
Test Condition
Min
Typ Max Units
VIN
2.5
5.5
2.0
4.3
V
%
V
Output Accuracy
VOUT,ACC
VOUT
IOUT=1mA
-2.0
0.8
Output Voltage Range
IOUT=150mA, 0.8V
V
1.9V
Note2
400
!
!
OUT(NOM)
IOUT=150mA, 1.9V<VOUT(NOM) 2.4V
!
Dropout Voltage
(Note 1)
VDROP
mV
mA
IOUT=150mA, 2.4V<VOUT(NOM) 2.8V
!
300
IOUT=150mA, 2.8V<VOUT(NOM)
110
60
230
Output Current
IOUT
IQ
150
Quiescent Current
IOUT=0mA
90
A
µ
IOUT=1mA, 0.8V
V
1.2V,
!
!
OUT
0.125 0.25
2.5V
V
!
3.5V
!
IN
Line Regulation
IOUT=1mA, 1.2V<VOUT 2.0V,
!
0.1
0.2
0.1
0.1
∆VOUT
×100%
∆VIN
2.5V
V
3.5V
!
!
IN
REGLINE
%/V
I
OUT=1mA, 2.0V<VOUT 4.2V,
!
0.05
0.05
VOUT
VIN(MIN)
V
V
IN(MIN)+1V
!
!
IN
I
OUT=1mA, 4.2V<VOUT 4.5V,
!
VIN(MIN)
V
!
5.5V
!
IN
1mA
I
150mA
!
!
OUT
2.5
1.7
1.0
5
4
3
Load Regulation
0.8V
V
1.2V
!
!
OUT(NOM)
∆VOUT
×100%
VOUT
1mA
I
150mA
!
!
OUT
REGLOAD
%/A
1.2V
V
2.0V
!
!
OUT(NOM)
∆IOUT
1mA
I
150mA
!
!
OUT
2.0V<VOUT(NOM)
Rev. C.01
5
AME
High PSRR, LowNoise, 150mA
CMOS Regulator
AME8852A
¢ Electrical Specifications
Parameter
Symbol
Test Condition
Min
Typ Max Units
F=100Hz
F=1KHz
F=10KHz
60
COUT=1uF, VOUT=1V
Power Supply
Rejection Ration
PSRR
IOUT=10mA
VIN=2.8V
60
60
dB
IOUT=10mA, VOUT=0.8V,
f=1Hz to 100KHz
Output Voltage Noise
eN
100
V
µ
RMS
Enable High(enabled)
Enable Low (shutdown)
VEN,HI
VEN,LO
IEN,HI
VIN(MIN)
V
5.5V
1.4
0
VIN
0.4
8
!
!
IN
IN
V
VIN(MIN)
V
!
5.5V
!
VEN=VIN
VEN=0V
Enable Input Bias Current
A
µ
IEN,LO
1
Shutdown Current
ISHDN
VIN=5.0V, VEN=0V
0.1
1
A
µ
Shutdown Output Voltage
Protection
VOUT,SD
IOUT=0.4mA, VEN=0
0.4
V
Output Current Limit
ILIM
VOUT=0.9 x VOUT(NOM)
250
mA
oC
Thermal Shutdown Temperature
Thermal Shutdown Hysteresis
TSHDN
Shutdown, temperature increasing
150
20
TSHDN(HYS)
Note1: Dropout Voltage is measured at VOUT=VOUT(NOM)x98%
Note2: For VOUT below 2.0V, Dropout Voltage is the input(MIN) to output differential.
6
Rev. C.01
AME
High PSRR, LowNoise, 150mA
CMOS Regulator
AME8852A
Capacitor Selection and Regulator Stability
¢ Detailed Description
The AME8852A family of CMOS regulators contain a
PMOS pass transistor, voltage reference, error amplifier,
over-current protection, thermal shutdown, and Power
Good detection circuitry.
The maximum output power of theAME8852 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 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 150mA. 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 AME8852A is stable with an output capacitor to
ground of 1µF or greater. Ceramic capacitors have the
lowest ESR, and will offer the best AC performance.
Conversely, Aluminum Electrolytic capacitors exhibit the
highest ESR, resulting in the poorestAC response. Un-
fortunately, large value ceramic capacitors are compara-
tively expensive. One option is to parallel a 0.1µF ce-
ramic capacitor with a 10µF 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 stabilizeVIN. The input capacitor should
be at least 0.1µF 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 than 1µA.
Rev. C.01
7
AME
High PSRR, LowNoise, 150mA
CMOS Regulator
AME8852A
¢ Characterization Curve
Output Voltage
Output Voltage
4.45
1.05
VIN = 5.3V, VOUT = 4.3V, IOUT = 1mA
VIN = 2.5V, VOUT = 1.0V, IOUT = 1mA
1.04
4.40
1.03
1.02
1.01
1.00
0.99
0.98
0.97
0.96
4.35
4.30
4.25
4.20
0.95
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
VOUT = 4.3V
VOUT = 1.0V
90
90
80
70
60
50
40
30
20
10
80
70
60
50
40
30
20
10
0
0
-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)
Current Limit vs. Input Voltage
Current Limit vs. Input Voltage
600
600
VOUT = 4.3V
VOUT = 1V
500
500
400
300
200
100
400
300
200
100
5.3
5.4
5.5
2.5
3.5
4.5
5.5
Input Voltage (V)
Input Voltage (V)
8
Rev. C.01
AME
High PSRR, LowNoise, 150mA
CMOS Regulator
AME8852A
¢ Characterization Curve (Contd.)
Dropout Voltage
PSRR vs. Frequency
100
400
VOUT = 1V, IOUT=10mA
VOUT = 4.3V
90
350
300
80
70
250
200
60
50
40
150
100
30
20
10
50
0
100
0
1K
10K
100 K
1M
-40 -25 -10 +5 +20 +35 +50 +65 +80 +95 +110 +125
Temperature(oC)
Frequency (Hz)
Stability vs. ESR vs. Load Current
10.00
VIN = 5V, CIN = COUT= 1µF / X7R
Unstable Range
Stable Range
1.00
0.10
0.01
0.005
Unstable Range
200
0.00
0
50
100
150
250
300
Load Current (mA)
Rev. C.01
9
AME
High PSRR, LowNoise, 150mA
CMOS Regulator
AME8852A
¢ Characterization Curve (Contd.)
Line Transient Response
Line Transient Response
TA = -40O
OUT = 1V
IOUT = 150 mA
C
TA = -40O
VOUT =1V
OUT = 10mA
C
V
I
VIN
(1V/Div)
VIN
(1V/Div)
VOUT
VOUT
(20mV/Div)
(20mV/Div)
20µS/Div
20µS/Div
Line Transient Response
Line Transient Response
VIN
(1V/Div)
VIN
(1V/Div)
TA = -40O
C
VOUT = 4.3V
OUT = 150 mA
TA = -40OC
VOUT = 4.3V
IOUT = 10mA
I
VOUT
(20mV/Div)
VOUT
(20mV/Div)
20µS/Div
20µS/Div
Line Transient Response
Line Transient Response
TA = 25O
C
VOUT = 1V
TA = 25O
C
VOUT = 1V
IOUT = 10mA
IOUT = 150mA
VIN
(1V/Div)
VIN
(1V/Div)
VOUT
VOUT
(20mV/Div)
(20mV/Div)
20µS/Div
20µS/Div
10
Rev. C.01
AME
High PSRR, LowNoise, 150mA
CMOS Regulator
AME8852A
¢ Characterization Curve (Contd.)
Line Transient Response
Line Transient Response
VIN
(1V/Div)
VIN
(1V/Div)
TA = 25O
C
TA = 25O
OUT =4.3V
IOUT = 10mA
C
VOUT = 4.3V
IOUT = 150mA
V
VOUT
VOUT
(20mV/Div)
(20mV/Div)
20µS/Div
20µS/Div
Line Transient Response
Line Transient Response
TA =125 O
VOUT = 1V
IOUT =10mA
C
TA = 125O
VOUT = 1V
OUT = 150mA
C
I
VIN
VIN
(1V/Div)
(1V/Div)
VOUT
VOUT
(20mV/Div)
(20mV/Div)
20µS/Div
20µS/Div
Line Transient Response
Line Transient Response
VIN
VIN
(1V/Div)
(1V/Div)
TA = 125 O
C
VOUT = 4.3V
IOUT = 150 mA
TA = 125O
C
VOUT = 4.3V
IOUT = 10mA
VOUT
VOUT
(20mV/Div)
(20mV/Div)
20µS/Div
20µS/Div
Rev. C.01
11
AME
High PSRR, LowNoise, 150mA
CMOS Regulator
AME8852A
¢ Characterization Curve (Contd.)
Load Transient Response
Load Transient Response
TA = -40O
C
TA = -40O
OUT = 1V
OUT = 10~150 mA
C
VOUT = 4.3V
V
I
OUT = 10~150 mA
I
VOUT
VOUT
(20mV/Div)
(20mV/Div)
IOUT
(50mA/Div)
IOUT
(50mA/Div)
Time (20µSec/Div)
Time (20µSec/Div)
Load Transient Response
Load Transient Response
TA = 25O
OUT = 4.3V
OUT = 10~150mA
C
TA= 25O
VOUT = 1V
= 10~150mA
C
V
I
I
OUT
VOUT
VOUT
(20mV/Div)
(20mV/Div)
IOUT
(50mA/Div)
IOUT
(50mA/Div)
Time (20µSec/Div)
Time (20µSec/Div)
Load Transient Response
Load Transient Response
TA = 125O
VOUT = 1V
C
TA = 125O
VOUT =4.3V
C
I
= 10~150mA
I
=
OUT
OUT
10~150mA
VOUT
(20mV/Div)
VOUT
(20mV/Div)
IOUT
(50mA/Div)
IOUT
(50mA/Div)
Time (20µSec/Div)
Time (20µSec/Div)
12
Rev. C.01
AME
High PSRR, LowNoise, 150mA
CMOS Regulator
AME8852A
¢ Characterization Curve (Contd.)
Chip Enable Transient Response
Chip Enable Transient Response
EN
EN
(1V/Div)
(1V/Div)
VOUT
VOUT
(500mV/Div)
(500mV/Div)
VOUT=1V
IOUT=10mA
V
OUT=1V
IOUT=10mA
IOUT
IOUT
(20mA/Div)
(20mA/Div)
50µS/Div
20µS/Div
Chip Enable Transient Response
Chip Enable Transient Response
EN
EN
(2V/Div)
(2V/Div)
VOUT
(2V/Div)
VOUT
(2V/Div)
VOUT=4.3V
IOUT=10mA
VOUT=4.3V
IOUT=10mA
IOUT
IOUT
(20mA/Div)
(20mA/Div)
50µS/Div
20µS/Div
Rev. C.01
13
AME
High PSRR, LowNoise, 150mA
CMOS Regulator
AME8852A
¢ Characterization Curve (Contd.)
Chip Enable Transient Response
Chip Enable Transient Response
EN
EN
(1V/Div)
(1V/Div)
VOUT
VOUT
(500mV/Div)
(500mV/Div)
VOUT=1V
VOUT=1V
IOUT=150mA
IOUT=150mA
IOUT
(50mA/Div)
IOUT
(50mA/Div)
50µS/Div
10µS/Div
Chip Enable Transient Response
Chip Enable Transient Response
EN
(2V/Div)
EN
(2V/Div)
VOUT
(2V/Div)
VOUT
(2V/Div)
VOUT=4.3V
IOUT=150mA
IOUT
(50mA/Div)
IOUT
(50mA/Div)
10µS/Div
14
Rev. C.01
AME
High PSRR, LowNoise, 150mA
CMOS Regulator
AME8852A
¢ Tape and Reel Dimension
SC-70-4
P0
W
AME
AME
PIN 1
P
Carrier Tape, Number of Components Per Reel and Reel Size
Package
Carrier Width (W)
Pitch (P)
Pitch (P0)
Part Per Full Reel
Reel Size
SC-70-4
8.0 0.1 mm
4.0 0.1 mm
4.0 0.1 mm
3000pcs
180 1 mm
Rev. C.01
15
AME
High PSRR, LowNoise, 150mA
CMOS Regulator
JCET_TDS_A8550AEXXA230Z_010512_1
AME8852A
¢ Tape and Reel Dimension (Contd.)
SOT-25
P0
W
AME
AME
PIN 1
P
Carrier Tape, Number of Components Per Reel and Reel Size
Package
Carrier Width (W)
Pitch (P)
Pitch (P0)
Part Per Full Reel
Reel Size
SOT-25
8.0 0.1 mm
4.0 0.1 mm
4.0 0.1 mm
3000pcs
180 1 mm
TSOT-25A
P0
W
AME
AME
PIN 1
P
Carrier Tape, Number of Components Per Reel and Reel Size
Package
Carrier Width (W)
Pitch (P)
Pitch (P0)
Part Per Full Reel
Reel Size
TSOT-25A
8.0 0.1 mm
4.0 0.1 mm
4.0 0.1 mm
3000pcs
180 1 mm
16
Rev. C.01
AME
High PSRR, LowNoise, 150mA
CMOS Regulator
AME8852A
¢ PackageDimension
SC-70-4
D
e1
ꢀ
MILLIMETERS
INCHES
MIN
SYMBOLS
e
MIN
0.900
0.000
0.900
0.250
0.350
0.080
MAX
1.100
0.100
1.000
0.400
0.500
0.150
MAX
0.043
0.004
0.039
0.016
0.020
0.006
L
A
A1
A2
b
0.035
0.000
0.035
0.010
0.014
0.003
E
E1
PIN1
b1
c
L1
0.20
d
c
b
b1
0.050 TYP
0.002 TYP
d
TOP VIEW
SIDE VIEW
D
2.000
1.150
2.150
2.200
1.350
2.450
0.079
0.045
0.085
0.087
0.053
0.096
E
E1
e
0.650 TYP
0.026TYP
e1
L
1.200
1.400
0.047
0.055
0.525 REF
0.021 REF
FRONT VIEW
L1
0.260
0o
0.460
8o
0.010
0o
0.018
8o
θ
¢ Lead Pattern
1.3 BSC
Note:
1. Lead pattern unit description:
BSC: Basic. Represents theoretical exact dimension or
dimension target.
2. Dimensions in Millimeters.
0.45 BSC
3.General tolerance +0.05mm unless otherwise specified.
0.05REF
0.35 BSC
Rev. C.01
17
AME
High PSRR, LowNoise, 150mA
CMOS Regulator
AME8852A
¢ Package Dimension (Contd.)
SOT-25
¢ Lead Pattern
0.70 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.
0.95 BSC
0.95 BSC
1.90 BSC
18
Rev. C.01
AME
High PSRR, LowNoise, 150mA
CMOS Regulator
AME8852A
¢ Package Dimension (Contd.)
TSOT-25A
D
ꢀ
MILLIMETERS
INCHES
MIN
SYMBOLS
b
MIN
0.700
0.000
0.700
0.350
0.080
2.820
1.600
2.650
MAX
0.900
0.100
0.800
0.500
0.200
3.020
1.700
2.950
MAX
0.035
0.004
0.031
0.020
0.008
0.119
0.067
0.116
L
A
A1
A2
b
0.028
0.000
0.028
0.014
0.003
0.111
0.063
0.104
0.25
E
E1
c
PIN1
D
e
c
E
e1
E1
e
TOP VIEW
SIDE VIEW
0.95 BSC
1.90 BSC
0.037 BSC
0.075 BSC
e1
L
0.300
0o
0.600
8o
0.012
0o
0.024
8o
θ
REAR VIEW
¢ Lead Pattern
0.70 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.
0.95 BSC
0.95 BSC
1.90 BSC
Rev. C.01
19
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 2016
Document: TM001-DS8852A-C.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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