Micrel CRCW06031742F 120vin, 150ma, ultra-low iq, high-psrr linear regulator Datasheet

MAQ5283
120VIN, 150mA, Ultra-Low IQ, High-PSRR
Linear Regulator
Automotive
General Description
Features
The MAQ5283 high-performance linear regulator offers a
very-wide input operating voltage range, up to 120V DC,
and supplies an output current of up to 150mA.
The MAQ5283 is ideal for high input voltage applications
such as automotive, industrial, and telecom, because it
offers ±3% initial accuracy, extremely high power supply
rejection ratio (75dB at 10kHz) and an ultra-low quiescent
current of 8µA. The MAQ5283 is optimized for high-voltage
line transients, making it ideal for harsh environment
applications.
The MAQ5283 is offered in both fixed output voltage (3.3V
or 5.0V) and adjustable output voltage (1.23V to 5.5V)
options.
•
•
•
•
•
•
•
•
•
The MAQ5283 operates over a −40°C to +125°C
temperature range and is available in a lead-free, RoHScompliant, ePad SOIC-8 package.
Data sheet and support documentation are available on
the Micrel website: www.micrel.com.
AEC-Q100 qualified
Wide input voltage range: 6V to 120V DC
Ultra-low quiescent current: 8µA
150mA guaranteed output current
Adjustable output from 1.23V to 5.5V
Stable with ceramic capacitors
Ultra-high PSRR (75dB at 10kHz)
Ultra-high line rejection (load dump)
High output accuracy:
– ±3% initial accuracy
• Thermal-shutdown and current-limit protection
• Thermally efficient, 8-pin ePad SOIC package
Applications
• Automotive
• Industrial applications
• Remote keyless entry power supply
• Telecom applications
• Off-line power supplies
___________________________________________________________________________________________________________
Typical Applications
Quiescent Supply Current
vs. Temperature
QUIESCENT CURRENT (µA)
12
VIN = 12V
VOUT = 1.23V
IOUT = 0mA
10
8
6
4
2
0
-50
-25
0
25
50
75
100
125
TEMPERATURE (°C)
Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com
October 2012
M9999-100912-A
Micrel, Inc.
MAQ5283
Ordering Information
Part Number
Output Voltage
Top Mark
Temperature Range
Package
Lead Finish
Adjustable
MAQ5283YME
–40°C to +125°C
8-Pin ePad SOIC
Pb-Free
MAQ5283-3.3YME
3.3V
MAQ5283-33YME
–40°C to +125°C
8-Pin ePad SOIC
Pb-Free
MAQ5283-5.0YME
5.0V
MAQ5283-50YME
–40°C to +125°C
8-Pin ePad SOIC
Pb-Free
MAQ5283YME
Pin Configuration
8-Pin ePAD SOIC
MAQ5283-x.xYME
Fixed Voltage Output
(TOP VIEW)
8-Pin ePAD SOIC
MAQ5283YME
Adjustable Voltage Output
(TOP VIEW)
Pin Description
Pin Number
Name
Function
Adjustable
Output
Fixed Output
1
1
2, 3, 7
2, 3, 7
NC
4
4
CPSRR
5
5
GND
6
—
FB
—
6
SNS
8
8
VOUT
Regulator Output. Connect 10µF capacitor from VOUT to GND.
EP
EP
ePad
Exposed Pad (ePad) for Thermal Dissipation. Connect to GND.
October 2012
VIN
Supply Voltage Input. Connect 1µF capacitor from VIN to GND.
Not internally connected. Connect NC to GND or leave unconnected.
Bypass Capacitor Connection. Connect 0.1µF capacitor from CPSRR to GND.
Ground.
Feedback Connection. For external resistor divider to set VOUT.
Sense input. Connect SNS to VOUT.
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MAQ5283
Absolute Maximum Ratings(1)
VIN to GND................................................... –0.3V to +125V
VCPSRR to GND..................................................–0.3 to +14V
VFB, VSNS, VOUT to GND ................................... –0.3V to +6V
Lead Temperature (soldering, 10s).......................... +260°C
Junction Temperature ......................... –40°C ≤ TJ ≤ +125°C
Storage Temperature .........................–65°C ≤ TA ≤ +150°C
ESD Ratings(4)
HBM ......................................................................... 2kV
MM .........................................................................200V
Operating Ratings(2)
VIN ................................................................. +6V to +120V
VOUT Adjust Range ..................................... +1.23V to +5.5V
Junction Temperature ......................... –40°C ≤ TJ ≤ +125°C
Power Dissipation (PD)........................... Internally Limited(3)
Junction Thermal Resistance (θJA)
8-pin ePad SOIC ...............................................41°C/W
Electrical Characteristics(5)
VIN = 12V, CIN = 1.0µF, CPSRR = 0.1µF, COUT = 10µF, IOUT = 100µA, TJ = 25°C, bold values indicate –40°C ≤ TJ ≤ +125°C, unless noted.
Parameter
Condition
Min.
Typ.
Max.
Units
120
V
14
µA
+5
%
Power Supply Input
Input Voltage Range
Quiescent Supply Current
6
IOUT = 0
8
Output Voltage
Output Voltage Accuracy
Line Regulation
Variation from nominal VOUT
-5
100µA ≤ IOUT ≤ 150mA
VIN = 10V to 120V
−0.5
0.04
+0.5
%
100µA ≤ IOUT ≤ 150mA
1.167
1.228
1.289
V
Feedback Input (Adjustable)
FB Voltage
FB Current
3.2
nA
Current Limit
Current Limit
VOUT = 0V
180
300
500
mA
Ripple Rejection
Power Supply Rejection Ratio
IOUT = 50mA
100Hz ≤ f ≤ 1kHz
70
dB
1kHz < f ≤ 30kHz
75
dB
30kHz < f ≤ 100kHz
65
dB
Power Dropout Voltage
Dropout Voltage
IOUT = 150mA
1.8
TJ rising
155
°C
15
°C
2.8
V
Thermal Protection
Thermal-Shutdown Temperature
Thermal-Shutdown Hysteresis
Notes:
1.
Exceeding an absolute maximum rating may damage the device.
2.
The device is not guaranteed to function outside its operating rating.
3.
The maximum allowable power dissipation at any TA (ambient temperature) is PD(max) = (TJ(max) – TA) / θJA. Exceeding the maximum allowable power
dissipation results in excessive die temperature, and causes the regulator to enter thermal shutdown.
4.
Devices are ESD sensitive; use proper handling precautions. Human body model, 1.5kΩ in series with 100pF.
5.
Specifications are for packaged products only.
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MAQ5283
Typical Characteristics
12
10
8
6
4
2
0
5.002
VIN = 12V
VOUT = 1.23V
IOUT = 0mA
10
8
6
4
2
20
40
60
80
100
120
-50
-25
INPUT VOLTAGE (V)
0
25
50
75
100
0
5.00
4.95
4.90
125
5.10
5.00
4.95
4.90
Dropout Voltage
vs. Temperature
-25
0
25
50
75
100
0
-25
0
25
50
75
TEMPERATURE (°C)
October 2012
1.0
0.5
0
25
100
125
50
75
100
OUTPUT CURRENT (mA)
Feedback Pin Current
vs. Input Voltage
10
VIN = 12V
VFB = 1.228V
IOUT = 0
16
VFB = 1.228V
FB PIN CURRENT (nA)
FB PIN CURRENT (nA)
1
150
1.5
125
20
2
125
2.0
Feedback Pin Current
vs. Temperature
3
120
2.5
TEMPERATURE (°C)
VOUT = 5V
IOUT = 150mA
100
0.0
-50
4
80
VOUT = 5V
5.05
150
60
3.0
4.85
100
40
Dropout Voltage
vs. Output Current
VIN = 12V
VOUT = 5V
IOUT = 100µA
OUTPUT CURRENT (mA)
-50
20
INPUT VOLTAGE (V)
DROPOUT VOLTAGE (V)
OUTPUT VOLTAGE (V)
5.05
75
4.999
125
5.15
VIN = 12V
VOUT = 5V
50
5.000
Output Voltage
vs. Temperature
5.10
25
5.001
TEMPERATURE (°C)
Output Voltage
vs. Output Current
0
VOUT = 5V
IOUT = 100µA
4.998
0
0
OUTPUT VOLTAGE (V)
OUTPUT VOLTAGE (V)
VOUT = 5V
IOUT = 0
QUIESCENT CURRENT (µA)
QUIESCENT CURRENT (µA)
12
DROPOUT VOLTAGE (V)
Output Voltage
vs. Input Voltage
Quiescent Supply Current
vs. Temperature
Quiescent Supply Current
vs. Input Voltage
12
8
4
8
6
4
2
0
0
-50
-25
0
25
50
75
TEMPERATURE (°C)
4
100
125
0
20
40
60
80
100
120
INPUT VOLTAGE (V)
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Micrel, Inc.
MAQ5283
Typical Characteristics (Continued)
Feedback Pin Voltage
vs. Temperature
500
1.25
1.24
1.23
1.22
1.21
VIN = 12V
VOUT = 5V
1.24
CURRENT LIMIT (mA)
VIN = 12V
VOUT = 5V
IOUT = 100µA
FB PIN VOLTAGE (V)
1.23
1.22
1.21
1.20
1.20
-50
-25
0
25
50
75
100
0
125
25
TEMPERATURE (°C)
50
75
100
125
0.00
VIN = 10V to 120V
VOUT = 5V
IOUT = 100µA
-0.10
CASE TEMPERATURE (°C)
0.05
25
50
-25
0
75
100
125
50
75
100
125
Power Dissipation (ME)
vs. Output Current
1.2
VIN = 12V
VOUT = 5V
70
60
50
40
30
20
10
VIN = 12V
VOUT = 5V
1.0
0.8
0.6
0.4
0.2
0.0
0
25
50
75
100
OUTPUT CURRENT (mA)
TEMPERATURE (°C)
25
TEMPERATURE (°C)
0
0
100
-50
80
-25
200
Case Temperature* (ME)
vs. Output Current
0.10
-50
300
OUTPUT CURRENT (mA)
Line Regulation
vs. Temperature
-0.05
VIN = 12V
VOUT = 0V
400
0
150
POWER DISSIPATION (W)
FB PIN VOLTAGE (V)
1.25
LINE REGULATION (%)
Current Limit
vs. Temperature
Feedback Pin Voltage
vs. Output Current
125
150
0
25
50
75
100
125
150
OUTPUT CURRENT (mA)
PSRR vs. Frequency
RIPPLE REJECTION (dB)
40
20
0
-20
VIN = 12V
VOUT = 5.0V
IOUT = 50mA
VRIPPLE = 70mV
CIN = None
CPSRR = 0.1µF
COUT = 10µF
-40
-60
-80
-100
-120
0.01
0.1
1
10
100
1000
FREQUENCY (kHz)
Case Temperature*: The temperature measurement was taken at the hottest point on the MAQ5283 case mounted on a 2.25-square-inch PCB at an
ambient temperature of 25°C; see the “Thermal Measurements” section. Actual results depend on the size of the PCB, ambient temperature, and
proximity to other heat emitting components.
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MAQ5283
Functional Characteristics
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MAQ5283
Functional Characteristics (Continued)
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Detailed Description
The MAQ5283 voltage regulator accepts a 6V to 120V
input voltage and has an ultra-low 8µA typical quiescent
current while offering an excellent line transient response
and PSRR. These features make it ideal for harsh, noisy
environments. All options offer 150mA of output current.
The MAQ5283YME offers an adjustable output voltage
from 1.23V to 5.5V. The MAQ5283-3.3YME offers a fixed
3.3V output and the MAQ5283-5.0YME offers a fixed 5.0V
output. The YME packaged devices feature a heat slug to
remove heat from the die more effectively.
Applications Information
MAQ5283
Output Voltage Setting
For the MAQ5283YME, VOUT is programmable from 1.23V
to 5.5V using an external resistive divider. VOUT is set
using the following equation:
⎛ R1 ⎞
VOUT = VREF × ⎜
+ 1⎟
⎝ R2 ⎠
Eq. 1
where VREF = 1.228V, and R1 and R2 form the feedback
voltage divider from VOUT to ground.
Thermal Protection
The MAQ5283 has internal thermal shutdown to protect it
from excessive heating of the die. When the junction
temperature exceeds approximately +155°C, the output is
disabled and the device begins to cool down. The device
turns back on when the junction temperature cools by
15°C. This results in a cycled output during continuous
thermal-overload conditions.
Current Limit
The MAQ5283 features output current-limit protection. The
output sustains a continuous short circuit to GND without
damage to the device, but thermal shutdown often results.
The typical value for the current limit of the MAQ5283 is
300mA.
Input Capacitor
Connect a 1.0µF capacitor from VIN to GND. Micrel
recommends the C5750X7R2E105M, 1.0µF, 250V
capacitor made by TDK. When using a different capacitor,
make sure that the voltage rating of the capacitor has
enough headroom to withstand any potential transient.
CPSRR Capacitor
To maintain high power supply rejection, connect a 0.1µF
capacitor from CPSRR to GND. The voltage rating of the
capacitor must be at least 14V.
Output Capacitor
Connect a 10µF capacitor from VOUT to GND. Make sure
that the voltage rating of the capacitor is greater than the
designed output voltage of the MAQ5283.
October 2012
Thermal Measurements
It is always a good idea to measure an IC’s case
temperature to make sure that it is within operating limits,
but it is easy to get false results. The standard
thermocouple that comes with many voltage meters uses a
large wire gauge that behaves like a heat-sink. This
causes artificially low case temperature measurements.
Use a thermocouple of 36-gauge wire or smaller, such as
the Omega (5SC-TT-K-36-36), to minimize the heatsinking effect. Also, apply a thermal compound to
maximize heat transfer between the IC and the
thermocouple.
An infrared thermometer is a recommended alternative.
The IR thermometer from Optris has a 1mm spot size,
which is ideal for monitoring small surface-mount
packages. Also, the optional stand makes it easy to keep
the beam on the IC for long periods of time.
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MAQ5283
Functional Diagram
MAQ5283 Adjustable Version
MAQ5283 Fixed Version
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MAQ5283
MAQ5283 Evaluation Board Schematic
MAQ5283 Evaluation Board Schematic
Bill of Materials
Item
C1
Part Number
C5750X7R2E105M
Manufacturer
Description
Qty.
(1)
1.0µF, 250V, 20%, X7R capacitor (2220)
(2)
0.1µF 25V 20%, X7R capacitor (0805)
1
10µF, 10V, 20%, X5R, capacitor (0805)
1
0Ω, 1% resistor, 0603
1
29.4kΩ, 1% resistor, 0603
1
9.53kΩ Film Resistor, Size 0603, 1%
1
TDK
C2
08053C104KAT2A
C3
0805ZD106KAT2A
AVX
AVX
R1
CRCW06030000F
Vishay/Dale(3)
R2
CRCW06032942F
Vishay/Dale
(3)
R3
CRCW06039531F
R4
CRCW06031742F
Vishay
17.4kΩ Film Resistor, Size 0603, 1%
1
R5
CRCW06032802F
Vishay
28.0kΩ Film Resistor, Size 0603, 1%
1
R6
CRCW06036192F
Vishay
61.9kΩ Film Resistor, Size 0603, 1%
1
120VIN, 150mA, Ultra-Low IQ, High-PSRR Linear Regulator
1
U1
MAQ5283YML
Vishay
1
Micrel
(4)
Notes:
1. TDK: www.tdk.com.
2. AVX: www.avx.com.
3. Vishay Tel: www.vishay.com.
4. Micrel, Inc.: www.micrel.com.
October 2012
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MAQ5283
PCB Evaluation Board Layout
Top Layer
Bottom Layer
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MAQ5283
PCB Evaluation Board Layout (Continued)
Evaluation Board Dimensions
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MAQ5283
Package Information
8-Pin Exposed Pad SOIC (ME)
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MAQ5283
Recommended Land Pattern
8-Pin Exposed Pad SOIC
MICREL, INC. 2180 FORTUNE DRIVE SAN JOSE, CA 95131 USA
TEL +1 (408) 944-0800 FAX +1 (408) 474-1000 WEB http://www.micrel.com
Micrel makes no representations or warranties with respect to the accuracy or completeness of the information furnished in this data sheet. This
information is not intended as a warranty and Micrel does not assume responsibility for its use. Micrel reserves the right to change circuitry,
specifications and descriptions at any time without notice. No license, whether express, implied, arising by estoppel or otherwise, to any intellectual
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whatsoever, and Micrel disclaims any express or implied warranty relating to the sale and/or use of Micrel products including liability or warranties
relating to fitness for a particular purpose, merchantability, or infringement of any patent, copyright or other intellectual property right.
Micrel Products are not designed or authorized for use as components in life support appliances, devices or systems where malfunction of a product
can reasonably be expected to result in personal injury. Life support devices or systems are devices or systems that (a) are intended for surgical implant
into the body or (b) support or sustain life, and whose failure to perform can be reasonably expected to result in a significant injury to the user. A
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© 2012 Micrel, Incorporated.
October 2012
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