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Datasheet> All Categories > Power/power management> The power supply circuit> MP2136EG-LF
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MP2136EG-LF

Description
Switching Regulator, Current-mode, 2000kHz Switching Freq-Max, PDSO6, 2 X 2 MM, ROHS COMPLIANT, QFN-6
CategoryPower/power management    The power supply circuit   
File Size863KB，11 Pages
ManufacturerMonolithic Power Systems
Websitehttps://www.monolithicpower.com
Environmental Compliance  
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MP2136EG-LF Overview

Switching Regulator, Current-mode, 2000kHz Switching Freq-Max, PDSO6, 2 X 2 MM, ROHS COMPLIANT, QFN-6

MP2136EG-LF Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerMonolithic Power Systems
Parts packaging codeQFN
package instructionQFN-6
Contacts6
Reach Compliance Codecompliant
ECCN codeEAR99
Other featuresOPERATES IN ADJUSTABLE MODE FROM 0.6 TO 6V
Analog Integrated Circuits - Other TypesSWITCHING REGULATOR
control modeCURRENT-MODE
Control TechnologyPULSE WIDTH MODULATION
Maximum input voltage6 V
Minimum input voltage2.5 V
Nominal input voltage3.6 V
JESD-30 codeS-PDSO-N6
JESD-609 codee3
length2 mm
Humidity sensitivity level1
Number of functions1
Number of terminals6
Maximum operating temperature85 °C
Minimum operating temperature-20 °C
Package body materialPLASTIC/EPOXY
encapsulated codeHVSON
Package shapeSQUARE
Package formSMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)260
Certification statusNot Qualified
Maximum seat height1 mm
surface mountYES
Switch configurationBUCK
Maximum switching frequency2000 kHz
Temperature levelOTHER
Terminal surfaceMatte Tin (Sn)
Terminal formNO LEAD
Terminal pitch0.65 mm
Terminal locationDUAL
Maximum time at peak reflow temperature40
width2 mm

MP2136EG-LF Preview

MP2136
2.5V to 6V Input, 2MHz, 1A
Synchronous Step-Down Converter
The Future of Analog IC Technology
DESCRIPTION
The MP2136 is a 2MHz constant frequency,
current mode, PWM step-down converter with
integrated main switch and synchronous
rectifier that is ideal for powering portable
equipment that runs from a single Li-Ion or Li-
Polymer battery.
The MP2136 can supply up to 1A load current
from a 2.5V to 6V input voltage. The output
voltage can be as low as 0.6V.
Additional features include <1µA shutdown
current, internal soft-start, cycle-by-cycle over
current protection, short circuit protection, and
thermal shutdown.
The MP2136 is available in a 6-pin, QFN6
2mm×2mm package.
FEATURES
•
•
•
•
•
•
•
•
•
•
•
2MHz Constant Switching Frequency
1A Available Load Current
2.5V to 6V Input Voltage Range
Output Voltage as Low as 0.6V
Current Mode Control
Cycle-by-Cycle Over Current Protection
Short Circuit Protection
Thermal Shutdown
<1µA Shutdown Current
Internal Soft-Start
Space-Saving 6-pin, QFN6 2mm×2mm
package
Cellular Phones
Microprocessors and DSP Core Supplies
PDAs and Smart Phones
MP3 and Portable Media Players
Digital Still and Video Cameras
Portable Instruments
APPLICATIONS
•
•
•
•
•
•
“MPS” and “The Future of Analog IC Technology” are Registered Trademarks of
Monolithic Power Systems, Inc.
TYPICAL APPLICATION
Efficiency vs.
Output Current
U1
L1
1.2uH
100
R1
300k
1%
R2
300k
1%
L=2.2uH Vo=1.2V
Vin=3.3V
EFFICIENCY (%)
VIN
2.5V - 6V
C1
4.7uF
3
IN
4
SW
MP2136EG
C2
10uF
VOUT
1.2V/1A
90
80
70
60
50
40
30
20
10
0
OFF ON
EN
2
EN
1
NC
FB
GND
6
5
Vin=6V
Vin=5V
Vin=2.5V
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
OUTPUT CURRENT (A)
MP2136 Rev. 0.9
8/23/2010
www.MonolithicPower.com
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2010 MPS. All Rights Reserved.
1
MP2136 – 2.5V TO 6V INPUT, 2MHz, 1A SYNCHRONOUS STEP-DOWN CONVERTER
ORDERING INFORMATION
Part Number*
MP2136EG
Package
QFN6 (2mmx2mm)
Top Marking
6Q
Free Air Temperature(
T
A
)
–
20°C to +85°C
* For Tape & Reel, add suffix –Z (eg. MP2136EG–Z).
For RoHS Compliant Packaging, add suffix –LF (eg. MP2136EG–LF–Z)
PACKAGE REFERENCE
TOP VIEW
NC
1
6
FB
EN
2
5
GND
VIN
3
4
SW
ABSOLUTE MAXIMUM RATINGS
(1)
IN to GND ..................................
–
0.3V to +6.5V
SW to GND ..........................
–
0.3V to V
IN
+ 0.3V
FB, EN to GND .............................
–
0.3V to +6.5V
(2)
Continuous Power Dissipation. (T
A
= +25°C)
QFN6 (2mmx2mm) .................................... 2.5W
Junction Temperature ...............................150°C
Lead Temperature ....................................260°C
Storage Temperature...............
–
65°C to +150°C
Thermal Resistance
(4)
QFN6 (2mmx2mm) ................. 50 ...... 12...
°C/W
Notes:
1) Exceeding these ratings may damage the device.
2) The maximum allowable power dissipation is a function of the
maximum junction temperature T
J
(MAX), the junction-to-
ambient thermal resistance
θ
JA
, and the ambient temperature
T
A
. The maximum allowable continuous power dissipation at
any ambient temperature is calculated by P
D
(MAX) = (T
J
(MAX)-T
A
)/θ
JA
. Exceeding the maximum allowable power
dissipation will cause excessive die temperature, and the
regulator will go into thermal shutdown. Internal thermal
shutdown circuitry protects the device from permanent
damage.
3) The device is not guaranteed to function outside of its
operating conditions.
4) Measured on JESD51-7, 4-layer PCB.
θ
JA
θ
JC
Recommended Operating Conditions
(3)
Supply Voltage V
IN
.............................2.5V to 6V
Output Voltage V
OUT
...........................0.6V to 6V
Operating Junct.Temp. (T
J
)......
–
20°C to +125°C
MP2136 Rev. 0.9
8/23/2010
www.MonolithicPower.com
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2010 MPS. All Rights Reserved.
2
MP2136 – 2.5V TO 6V INPUT, 2MHz, 1A SYNCHRONOUS STEP-DOWN CONVERTER
ELECTRICAL CHARACTERISTICS
(5)
V
IN
= V
EN
= 3.6V, T
A
= +25°C, unless otherwise noted.
Parameters
Supply Current
Condition
V
EN
= V
IN
, V
FB
= 0.65V
1.8
0.582
0.576
-50
Min
Typ
350
0.01
2.1
250
0.594
0.594
1.5
200
150
–1
1.6
0.4
150
2
150
20
1
1
2.3
0.606
0.612
50
Max
Units
µA
µA
V
mV
V
V
nA
A
mΩ
mΩ
µA
V
V
µs
MHz
°C
°C
Shutdown Current
V
EN
= 0V, V
IN
= 6V
IN Under Voltage Lockout Threshold Rising Edge
IN Under Voltage Lockout Hysteresis
T
A
= +25°C
Regulated FB Voltage
–40°C
≤
T
A
≤
+85°C
FB Input Bias Current
V
FB
= 0.65V
PFET Current Limit
Duty=100%
PFET On-Resistance
I
SW
= 100mA
NFET On-Resistance
I
SW
= –100mA
V
EN
= 0V; V
IN
= 6V
SW Leakage Current
V
SW
= 0V or 6V
EN High Threshold
–40°C
≤
T
A
≤
+85°C
EN Low Threshold
–40°C
≤
T
A
≤
+85°C
Internal Soft-Start Time
Oscillator Frequency
Thermal Shutdown Threshold
Hysteresis=20°C
Note:
5) Production test at +25°C. Specifications over the temperature range are guaranteed by design and characterization.
MP2136 Rev. 0.9
8/23/2010
www.MonolithicPower.com
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2010 MPS. All Rights Reserved.
3
MP2136 – 2.5V TO 6V INPUT, 2MHz, 1A SYNCHRONOUS STEP-DOWN CONVERTER
TYPICAL PERFORMANCE CHARACTERISTICS
V
OUT
=1.2V, L=1.2uH, C2=10uF, T
A
=25°C, unless otherwise noted.
Steady State Operation
Vin=2.5V, Vo=1.2V, Io=0A
V
OUT
/AC
10mV/div.
V
OUT
/AC
10mV/div.
Steady State Operation
Vin=2.5V, Vo=1.2V, Io=1A
V
OUT
/AC
10mV/div.
Steady State Operation
Vin=6V, Vo=1.2V, Io=0A
V
SW
2V/div.
I
INDUCTOR
500mA/div.
V
SW
2V/div.
V
SW
5V/div.
I
INDUCTOR
500mA/div.
I
INDUCTOR
500mA/div.
200ns/div.
200ns/div.
200ns/div.
Steady State Operation
Vin=6V, Vo=1.2V, Io=1A
V
OUT
/AC
10mV/div.
V
EN
2V/div.
Start-up Through Enable
Vin=2.5V, Vo=1.2V, Io=0A
V
EN
2V/div.
Start-up Through Enable
Vin=2.5V, Vo=1.2V, Io=1A
V
SW
5V/div.
V
OUT
500mV/div.
V
SW
2V/div.
I
INDUCTOR
500mA/div.
V
OUT
500mV/div.
V
SW
2V/div.
I
INDUCTOR
1A/div.
I
INDUCTOR
500mA/div.
200ns/div.
40us/div.
40us/div.
Start-Up Through EN
Vin=6V, Vo=1.2V, Io=0A
V
EN
2V/div.
V
OUT
500mV/div.
V
EN
2V/div.
V
OUT
500mV/div.
V
SW
5V/div.
Start-Up Through EN
Vin=6V, Vo=1.2V, Io=1A
V
EN
2V/div.
V
OUT
500mV/div.
V
SW
2V/div.
Power-Down Through EN
Vin=2.5V
, Vo=1.2V, Io=0A
V
SW
5V/div.
I
INDUCTOR
500mA/div.
I
INDUCTOR
1A/div.
I
INDUCTOR
500mA/div.
40us/div.
40us/div.
2s/div.
MP2136 Rev. 0.9
8/23/2010
www.MonolithicPower.com
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2010 MPS. All Rights Reserved.
4
MP2136 – 2.5V TO 6V INPUT, 2MHz, 1A SYNCHRONOUS STEP-DOWN CONVERTER
TYPICAL PERFORMANCE CHARACTERISTICS
(continued)
V
OUT
=1.2V, L=1.2uH, C2=10uF, T
A
=25°C, unless otherwise noted.
2.1
2.05
2
1.95
1.9
1.85
1.8
1.75
1.7
-40 -25 -10 5 20 35 50 65 80 95 110125
1.210
1.208
1.206
1.204
1.202
1.200
1.198
1.196
1.194
1.192
1.190
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
Vin=5V
Vin=3.3V
1.4
1.2
1
0.8
0.6
0.4
0.2
0
2.5
3
3.5
4
4.5
5
5.5
6
Falling
Rising
MP2136 Rev. 0.9
8/23/2010
www.MonolithicPower.com
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2010 MPS. All Rights Reserved.
5
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MP2136EG-LF Related Products

MP2136EG-LF MP2136EG MP2136EG-Z
Description Switching Regulator, Current-mode, 2000kHz Switching Freq-Max, PDSO6, 2 X 2 MM, ROHS COMPLIANT, QFN-6 Switching Regulator, Current-mode, 2000kHz Switching Freq-Max, PDSO6, 2 X 2 MM, QFN-6 Switching Regulator, Current-mode, 2000kHz Switching Freq-Max, PDSO6, 2 X 2 MM, QFN-6
Is it lead-free? Lead free Contains lead Contains lead
Is it Rohs certified? conform to incompatible incompatible
Maker Monolithic Power Systems Monolithic Power Systems Monolithic Power Systems
Parts packaging code QFN QFN QFN
package instruction QFN-6 HVSON, HVSON,
Contacts 6 6 6
Reach Compliance Code compliant compliant compliant
ECCN code EAR99 EAR99 EAR99
Other features OPERATES IN ADJUSTABLE MODE FROM 0.6 TO 6V OPERATES IN ADJUSTABLE MODE FROM 0.6 TO 6V OPERATES IN ADJUSTABLE MODE FROM 0.6 TO 6V
Analog Integrated Circuits - Other Types SWITCHING REGULATOR SWITCHING REGULATOR SWITCHING REGULATOR
control mode CURRENT-MODE CURRENT-MODE CURRENT-MODE
Control Technology PULSE WIDTH MODULATION PULSE WIDTH MODULATION PULSE WIDTH MODULATION
Maximum input voltage 6 V 6 V 6 V
Minimum input voltage 2.5 V 2.5 V 2.5 V
Nominal input voltage 3.6 V 3.6 V 3.6 V
JESD-30 code S-PDSO-N6 S-PDSO-N6 S-PDSO-N6
length 2 mm 2 mm 2 mm
Number of functions 1 1 1
Number of terminals 6 6 6
Maximum operating temperature 85 °C 85 °C 85 °C
Minimum operating temperature -20 °C -20 °C -20 °C
Package body material PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code HVSON HVSON HVSON
Package shape SQUARE SQUARE SQUARE
Package form SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius) 260 NOT SPECIFIED NOT SPECIFIED
Certification status Not Qualified Not Qualified Not Qualified
Maximum seat height 1 mm 1 mm 1 mm
surface mount YES YES YES
Switch configuration BUCK BUCK BUCK
Maximum switching frequency 2000 kHz 2000 kHz 2000 kHz
Temperature level OTHER OTHER OTHER
Terminal form NO LEAD NO LEAD NO LEAD
Terminal pitch 0.65 mm 0.65 mm 0.65 mm
Terminal location DUAL DUAL DUAL
Maximum time at peak reflow temperature 40 NOT SPECIFIED NOT SPECIFIED
width 2 mm 2 mm 2 mm

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