202203A.pdf

DATA SHEET
AAT2606
Six-Channel 300mA LDO Regulator
General Description
Features
The AAT2606 is a member of Skyworks' Total Power
Management IC (TPMIC™) product family. It contains six
fully integrated 300mA low dropout (LDO) regulators in a
small, Pb-free 14-pin 3mm x 3mm TDFN package, making
it ideal for space-constraint systems.
• 2.7V to 5.5V Operating Input Voltage Range
• 6 Outputs with Factory Programmable Voltages from
0.6V to 3.7V
• 300mA Output Current per Channel
• 3mm x 3mm, 14-Pin TDFN Package
• ±1% Typical Accuracy
• Low 30µA Quiescent Current
• High PSRR (68dB @10KHZ)
• 250mV Dropout Voltage at 250mA
• Independent Enable
• Over-Current Protection
• Over-Thermal Protection
The AAT2606 features low power consumption, low dropout, and high noise immunity from the input power supply. Each channel consumes a mere 30µA of current
when enabled and features 250mV of dropout at 250mA
and 68dB of power supply rejection at 10kHz. Each channel has its own enable pin and uses a small 1µF output
capacitor. Output voltages are factory One Time
Programmable (OTP) between 0.6V and 3.7V with 100mV
increment and typical regulation accuracy is ±1%.
The AAT2606 is a safe solution that integrates an overcurrent limit for each channel and over-thermal protection. The device is rated over a temperature range of
-40°C to 85°C.
Applications
• Portable Navigation Devices (PND)
• Cellular Application
• Handheld Products
• Media Players (MP4 Players)
Typical Application
VIN
C1
2.2µF
1
2
EN1
EN3
4
EN4
5
VIN
AAT2606
EN5
EN6
GND
(VIN(DC) = 5V; VOUT = 1.9V; IOUT = 100mA)
VO1
VO1
13
VO2
12
VO2
VO3
11
VO3 C6
1µF
VO4
10
VO5
7
Power Supply Rejection Ratio, PSRR
AAT2606_TDFN33-14
EN2
3
14
6
VO6
80
70
VO4
VO5
9
8
VO6
C2
1µF
C7
1µF
60
PSRR (dB)
U1
C5
1µF
50
40
30
20
10
C4
1µF
0
10
100
1000
10000
100000
1000000
Frequency (Hz)
C3
1µF
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
202203A • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • August 27, 2012
1
DATA SHEET
AAT2606
Six-Channel 300mA LDO Regulator
Pin Descriptions
Pin #
Symbol
1
2
3
4
5
6
7
8
9
10
11
12
13
14
EN1
EN2
EN3
EN4
EN6
VIN
GND
VO6
VO5
VO4
VO3
VO2
VO1
EN5
Function
LDO1 enable, active high.
LDO2 enable, active high.
LDO3 enable, active high.
LDO4 enable, active high.
LDO6 enable, active high.
Input to power control circuit and all LDOs.
Ground.
LDO6 output voltage.
LDO5 output voltage.
LDO4 output voltage.
LDO3 output voltage.
LDO2 output voltage.
LDO1 output voltage.
LDO5 enable, active high.
Pin Configuration
TDFN33-14
(Top View)
EN1
EN2
EN3
EN4
EN6
VIN
GND
2
1
14
2
13
3
12
4
11
5
10
6
9
7
8
EN5
VO1
VO2
VO3
VO4
VO5
VO6
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
202203A • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • August 27, 2012
DATA SHEET
AAT2606
Six-Channel 300mA LDO Regulator
Absolute Maximum Ratings1
Symbol
VIN
Description
VIN, EN1, EN2, EN3, EN4, EN5, EN6 to GND
Value
Units
-0.3 to 6.5
V
Value
Units
50
2
-40 to 150
-65 to 150
300
°C/W
W
Thermal Information2
Symbol
θJA
PD
TJ
TS
TLEAD
Description
Thermal Resistance
Maximum Power Dissipation
Operating Temperature Range
Storage Temperature Range
Maximum Soldering Temperature (at leads, 10 sec)
°C
1. Stresses above those listed in Absolute Maximum Ratings may cause permanent damage to the device. Functional operation at conditions other than the operating conditions
specified is not implied. Only one Absolute Maximum Rating should be applied at any one time.
2. Mounted on an FR4 board.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
202203A • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • August 27, 2012
3
DATA SHEET
AAT2606
Six-Channel 300mA LDO Regulator
Electrical Characteristics1
VIN = 5.0V, -40°C ≤ TA ≤ +85°C, unless noted otherwise. Typical values are TA = 25°C.
Symbol
Description
Conditions
Logic Control / Protection
Input High Threshold
VENx
Input Low Threshold
Input Supply
VIN
Input Voltage Range
UVLO
Under-Voltage Lockout Threshold
Min
Typ
Max
Units
0.3
V
V
5.5
V
1.4
2.7
Falling
Rising
2
2.2
V
Low-Dropout Regulator (LDO1:LDO6)
VLDO
IQ
ISHDN
VDO
PSRR
ILDO(LIM)
Thermal
TSD
THYS
LDO Output Voltage
ILDO = 1mA to 250mA, OTP per requirement
LDO Accuracy
ILDO = 10mA
VIN = 5V, added quiescent current when
LDO is enabled
VIN = 5.0V, EN = GND
ILDO = 10mA
ILDO = 250mA
VIN = 5.0V, EN = High, ILDO = 100mA,
f = 10KHz, VOx = 1.8V
LDO Quiescent Current
Shutdown Current
Line Regulation
Dropout Voltage
Power Supply Rejection Ratio
LDO Current Limit
Over-Temperature Shutdown Threshold
Over-Temperature Shutdown Hysteresis
0.6V
-3
VIN VDO
+3
%
55
µA
500
µA
%/V
mV
30
1
0.1
250
68
300
Rising
dB
mA
145
25
1. Specification over the -40°C to +85°C operating temperature range is assured by design, characterization and correlation with statistical process controls.
4
V
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
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°C
°C
DATA SHEET
AAT2606
Six-Channel 300mA LDO Regulator
Programming Output Voltages via OTP
Regulator
Output Voltage Range
LDO1
LDO2
LDO3
LDO4
LDO5
LDO6
0.6V
0.6V
0.6V
0.6V
0.6V
0.6V
Resolution
3.7V
3.7V
3.7V
3.7V
3.7V
3.7V
100mV
100mV
100mV
100mV
100mV
100mV
Block Diagram
VIN
Bias, Control,
and OTP
10µF
EN1
EN2
EN3
EN4
AAT2606
Output
Voltage Trim
LDO1
Output
Voltage Trim
LDO2
Output
Voltage Trim
LDO3
Output
Voltage Trim
LDO4
Output
Voltage Trim
LDO5
EN5
EN6
Output
Voltage Trim
LDO6
AGND
VO1
1µF
VO2
1µF
VO3
1µF
VO4
1µF
VO5
1µF
VO6
1µF
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
202203A • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • August 27, 2012
5
DATA SHEET
AAT2606
Six-Channel 300mA LDO Regulator
Typical Characteristics
Load Regulation
Load Regulation
(VOUT = 1V)
(VOUT = 3V)
0.5
VIN = 5.5V
VIN = 4.2V
VIN = 3.6V
VIN = 2.7V
0.4
0.3
0.2
Load Regulation (%)
Load Regulation (%)
0.5
0.1
0.0
-0.1
-0.2
-0.3
-0.4
-0.5
0.1
1
10
100
0.3
0.2
0.1
0.0
-0.1
-0.2
-0.3
-0.4
-0.5
0.1
1000
Output Current (mA)
VIN = 5.5V
VIN = 4.2V
VIN = 3.6V
VIN = 2.7V
0.4
1
Line Regulation
0.5
IOUT = 300mA
IOUT = 150mA
IOUT = 100mA
IOUT = 1mA
0.3
0.2
IOUT = 300mA
IOUT = 150mA
IOUT = 100mA
IOUT = 1mA
0.4
Line Regulation (%)
0.4
Line Regulation (%)
1000
(VOUT = 3V)
0.5
0.1
0.0
-0.1
0.3
0.2
0.1
0.0
-0.1
-0.2
-0.2
-0.3
-0.3
-0.4
-0.4
-0.5
2.7
3.1
3.5
3.9
4.3
4.7
5.1
-0.5
2.7
5.5
Input Voltage (V)
3.5
3.9
4.3
4.7
5.1
5.5
Output Voltage Error vs. Temperature
(LDO VOUT = 1V)
(LDO VOUT = 3V)
1.0
Output Voltage Error (%)
1.0
0.8
0.6
0.4
0.2
0.0
-0.2
-0.4
-0.6
IOUT = 1mA
IOUT = 250mA
-0.8
-1.0
-50
3.1
Input Voltage (V)
Output Voltage Error vs. Temperature
Output Voltage Error (%)
100
Line Regulation
(VOUT = 1V)
-25
0
25
50
Temperature (°C)
6
10
Output Current (mA)
75
0.8
0.6
0.4
0.2
0.0
-0.2
-0.4
-0.6
-1.0
-50
100
IOUT = 1mA
IOUT = 250mA
-0.8
-25
0
25
50
Temperature (°C)
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
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75
100
DATA SHEET
AAT2606
Six-Channel 300mA LDO Regulator
Typical Characteristics
Load Transient
Supply Current vs. Supply Voltage
(VOUT = 1.85V; VIN = 3.6V; IOUT = 30mA to 300mA)
35
2.00
34
1.95
Output Voltage
(50mV/div) (top)
33
32
31
30
29
28
27
1.90
1.85
1.80
0.4
0.2
0.0
26
25
2.7
Output Current
(200mA/div) (bottom)
Supply Current (μA)
(Contributed By Each LDO)
-0.2
3.1
3.5
3.9
4.3
4.7
5.1
5.5
Supply Voltage (V)
Time (200µs/div)
Power Supply Rejection Ratio, PSRR
(VIN(DC) = 5V; VOUT = 1.9V; IOUT = 100mA)
80
70
PSRR (dB)
60
50
40
30
20
10
0
10
100
1000
10000
100000
1000000
Frequency (Hz)
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
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DATA SHEET
AAT2606
Six-Channel 300mA LDO Regulator
Functional Block Diagram
EN6
VIN
VIN
EN1
VIN
VO6
VO1
VREF
VREF
OTP
OTP
S
S
Control Logic
EN4
EN3
VIN
VIN
VO3
VO4
VREF
VREF
OTP
Functional Description
The AAT2606 includes six LDO regulators. The regulators
operate from the 2.7V to 5.5V input voltage to a regulated output voltage. Each LDO regulator has its own
independent enable pin. The LDO regulators have a fixed
output programmed during manufacturing. Each LDO
consumes 30μA of quiescent current and is stable with a
small 1.0μF ceramic output capacitor. These LDOs offer
high power supply rejection, over-current protection and
over-temperature protection.
8
OTP
Application Information
Input Capacitor
Typically, a 2.2μF or larger ceramic capacitor is recommended for CVIN in most applications. The input capacitor
should be located as close to the input (VIN) of the device
as practically possible. CVIN values greater than 2.2μF will
offer superior input line transient response and will assist
in maximizing the highest possible power supply ripple
rejection.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
202203A • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • August 27, 2012
DATA SHEET
AAT2606
Six-Channel 300mA LDO Regulator
Output Capacitor
PLDO1 = ILDO1 · (VIN - VO1)
For proper load voltage regulation and operational stability, a capacitor is required between the VOUT and
GND pins. The COUT capacitor connection to the LDO
regulator ground pin should be made as direct as practically possible for maximum device performance.
The AAT2606 LDO regulators have been specifically
designed to function with very low ESR ceramic capacitors. Although the device is intended to operate with
these low ESR capacitors, it is stable over a very wide
range of capacitor ESR, thus it will also work with higher
ESR tantalum or aluminum electrolytic capacitors.
However, for best performance, ceramic capacitors are
recommended.
Typical output capacitor values for maximum output current conditions range from 1μF to 10μF.
Thermal Calculations
There are two types of losses associated with the
AAT2606 total power management solution [six LDO
regulators]: conduction losses, and quiescent current
losses. Conduction losses are associated with the power
loss of the voltage difference across the pass switch/FET
of the six LDO regulators. At full load, a simplified form
of the losses is given by the following (quiescent losses
are ignored, since conduction losses are so dominant):
PLDO2 = ILDO2 · (VIN - VO2)
PLDO3 = ILDO3 · (VIN - VO3)
PLDO4 = ILDO4 · (VIN - VO4)
PLDO5 = ILDO5 · (VIN - VO5)
PLDO6 = ILDO6 · (VIN - VO6)
PTOTAL = PLDO1 + PLDO2 + PLDO3 + PLDO4 + PLDO5 + PLDO6
Layout
The suggested PCB layout for the AAT2606 is shown in
Figures 2 and 3. The following guidelines should be used
to help ensure a proper layout.
1. The input capacitors (C1 should connect as closely
as possible to VIN (Pin 6) and GND (Pin 7).
2. The resistance of the trace from the load return to
the GND (Pins 7) should be kept to a minimum. This
will help to minimize any error in DC regulation due
to differences in the potential of the internal signal
ground and the power ground.
3. For good thermal coupling, PCB vias are required
from the pad for the TDFN33-14's exposed paddle to
the ground plane.
Table 1 lists the output voltage options for the 6 LDO regulators (LDO1 ∼ LDO6).
Part Number
AAT2606IWO-1-T1
AAT2606IWO-4-T1
Output Voltage Options
VO1 (V)
1.8
3.3
VO2 (V)
2.7
3.3
VO3 (V)
3.0
3.3
VO4 (V)
1.8
3.3
VO5 (V)
2.8
3.3
VO6 (V)
1.0
3.3
Table 1: Output Voltage Options.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
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9
DATA SHEET
AAT2606
Six-Channel 300mA LDO Regulator
VIN
TP1
VIN
C1
2.2µF
6
U1
AAT2606_TDFN33-14
VIN
1
2
VIN
1
12
3
4
EN1
VO1
EN2
EN3
VO2
AAT2606
EN4
VO3
VO4
TP7
13
TP6
12
TP5
11
TP4
10
SW1
14
5
EN5
VO5
EN6
VO6
GND
R1
1M
R2
1M
R3
1M
R4
1M
R5
1M
R6
1M
TP3
9
TP2
8
C2
1µF
C6 VO2
1µF
C5 VO3
1µF
C4 VO4
1µF
C3 VO5
1µF
VO6
7
Figure 1: AAT2606 Evaluation Board Schematic.
10
Figure 2: AAT2606 Evaluation Board
Top Side Layout.
Figure 3: AAT2606 Evaluation Board
Bottom Side Layout.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
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C7 VO1
1µF
DATA SHEET
AAT2606
Six-Channel 300mA LDO Regulator
Ordering Information
Package
Marking1
Part Number (Tape and Reel)2
TDFN33-14
TDFN33-14
9WXYY
X9XYY
AAT2606IWO-1-T1
AAT2606IWO-4-T1
Skyworks Green™ products are compliant with
all applicable legislation and are halogen-free.
For additional information, refer to Skyworks
Definition of Green™, document number
SQ04-0074.
Package Information
TDFN33-143
Detail "A"
3.000 ± 0.050
2.500 ± 0.050
Index Area
3.000 ± 0.050
1.650 ± 0.050
Top View
Bottom View
+ 0.100
- 0.000
Pin 1 Indicator
(Optional)
0.180 ± 0.050
Side View
0.400 BSC
0.000
0.203 REF
0.750 ± 0.050
0.425 ± 0.050
Detail "A"
All dimensions in millimeters.
1. XYY = assembly and date code.
2. Sample stock is generally held on part numbers listed in BOLD.
3. The leadless package family, which includes QFN, TQFN, DFN, TDFN and STDFN, has exposed copper (unplated) at the end of the lead terminals due to the manufacturing
process. A solder fillet at the exposed copper edge cannot be guaranteed and is not required to ensure a proper bottom solder connection.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
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11
DATA SHEET
AAT2606
Six-Channel 300mA LDO Regulator
Copyright © 2012 Skyworks Solutions, Inc. All Rights Reserved.
Information in this document is provided in connection with Skyworks Solutions, Inc. (“Skyworks”) products or services. These materials, including the information contained herein, are provided by Skyworks as a
service to its customers and may be used for informational purposes only by the customer. Skyworks assumes no responsibility for errors or omissions in these materials or the information contained herein. Skyworks may change its documentation, products, services, specifications or product descriptions at any time, without notice. Skyworks makes no commitment to update the materials or information and shall have no
responsibility whatsoever for conflicts, incompatibilities, or other difficulties arising from any future changes.
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Customers are responsible for their products and applications using Skyworks products, which may deviate from published specifications as a result of design defects, errors, or operation of products outside of published parameters or design specifications. Customers should include design and operating safeguards to minimize these and other risks. Skyworks assumes no liability for applications assistance, customer product
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Skyworks, the Skyworks symbol, and “Breakthrough Simplicity” are trademarks or registered trademarks of Skyworks Solutions, Inc., in the United States and other countries. Third-party brands and names are for
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Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
202203A • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • August 27, 2012