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PDF MIC2601 Data sheet ( Hoja de datos )
| Número de pieza | MIC2601 | |
| Descripción | 1.2A - 1.2MHz/2MHz Wide Input Range Integrated Switch Boost Regulator | |
| Fabricantes | MICREL | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de MIC2601 (archivo pdf) en la parte inferior de esta página. Total 13 Páginas | ||
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MIC2601/2
1.2A, 1.2MHz/2MHz Wide Input Range
Integrated Switch Boost Regulator
General Description
The MIC2601/2 is a 1.2MHz/2MHz, PWM DC/DC boost
switching regulator available in a 2mm x 2mm MLF®
package. High power density is achieved with the
MIC2601/2’s internal 40V/1.2A switch, allowing it to power
large loads in a tiny footprint.
The MIC2601/2 implements constant frequency
1.2MHz/2MHz PWM current mode control. The MIC2601/2
offers internal compensation that provides excellent
transient response and output regulation performance. The
high frequency operation saves board space by allowing
small, low-profile external components. The fixed
frequency PWM scheme also reduces spurious switching
noise and ripple to the input power source.
Soft start reduces in rush current and is programmable via
external capacitor.
The MIC2601/2 is available in a 2mm x 2mm 8-pin MLF®
leadless package. Both devices have an output over-
voltage protection feature.
The MIC2601/2 has an operating junction temperature
range of –40°C to +125°C.
Data sheets and support documentation can be found on
Micrel’s web site at: www.micrel.com.
Features
• Wide input voltage range: 4.5V to 20V
• Output voltage adjustable to 40V
• 1.2A switch current
• MIC2601 operates at 1.2MHz
• MIC2602 operates at 2MHz
• Stable with small size ceramic capacitors
• High efficiency
• Programmable soft start
• <10µA shutdown current
• UVLO
• Output over-voltage protection
• Over temperature shutdown
• 8-pin 2mm x 2mm MLF® package
• –40°C to +125°C junction temperature range
Applications
• Multimedia STB/Antenna
• Broadband communications
• TFT-LCD bias supplies
• Bias supply
• Positive output regulators
• SEPIC converters
• DSL applications
• Local boost regulators
___________________________________________________________________________________________________________
Typical Application
10µH
VIN = 12V
2.2µF
www.DataSheet4U.co0m.1µF
MIC2601/2
VIN SW
EN FB
VDD
SS
AGND PGND
VOUT
18V, 500mA
6.65K
0.1µF
10µF
18VOUT Efficiency
100
90
80 8VIN
70
12VIN
60
50
40
30
20
10
00 100 200 300 400 500 600 700 800
LOAD CURRENT (mA)
MLF and MicroLeadFrame are registered trademarks of Amkor Technology, Inc.
Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com
September 2009
M9999-090909-A
1 page  
Micrel, Inc.
Typical Characteristics
2.0
1.9
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1.046
Frequency
vs. Input Voltage
MIC2602
MIC2601
81 01 21 41 61 82 0
INPUT VOLTAGE (V)
18VOUT Efficiency
100
90 4.5VIN
80
70
60 8VIN
12VIN
50
400 10 20 30 40 50 60 70 80 90 100
LOAD CURRENT (mA)
Frequency
vs. Temperature
2.0
1.9
1.8
MIC2602
1.7
1.6
1.5
1.4
1.3
1.2
1.1 MIC2601
1.-040 -20 0 20 40 60 80 100 120
TEMPERATURE (°C)
Shutdown Current
0.100
vs. Temperature
0.097
0.094
0.091
0.088
0.085
0.082
0.079
0.076
0.073
0.07-040 -20
0
EN = 0V
VIN = 12V
20 40 60 80 100 120
TEMPERATURE (°C)
MIC2601/2
18VOUT Efficiency
100
90
80 8VIN
70
12VIN
60
50
40
30
20
10
00 100 200 300 400 500 600 700 800
LOAD CURRENT (mA)
Thermal Derating
900
800
700
600
500
400
300
200
100 VIN = 12V
-040VO-2U0T
= 18V
0 20
40
60
80 100 120
TEMPERATURE (°C)
www.DataSheet4U.com
September 2009
5
M9999-090909-A
5 Page 
Micrel, Inc.
MIC2601/2
J1
VIN 12V
J2
GND
J3
EN
C1
2.2µF/16V
R3
10k
C2
0.1µF/50V
L1
10µH
12
U1 MIC2601/2
1 VIN
SW 7
3 EN
2 VDD
FB 6
SS 5
D1
B360A
21
R1
6.65k
C4
4.7µF/50V
J4
C5 VO 18V
4.7µF/50V
C3
0.1µF/50V
R2
J5
GND
Bill of Materials
Item
C1
Part Number
GRM21BR71C225KA12L
0805YC225MAT
C2, C3
VJ0603Y104KXAAT
06035C104MAT
GRM188R71C104KA01D
C4, C5 GRM31CR71H475KA12L
SS3P6-E3
D1
B360A
L1 LQH55DN100M03
R1 CRCW06036K65FKEA
R2 CRCW06034990FKEA
R3 CRCW060310K0FKEA
MIC2601YML
U1
MIC2602YML
Notes:
1. Murata: www.murata.com
2. AVX: www.avx.com
3. Vishay: www.vishay.com
ww4. wM.Duraattaa:Shwewewt4.dUio.cdoems.com
5. Micrel, Inc.: www.micrel.com
Manufacturer
Murata(1)
AVX(2)
Vishay(3)
AVX(2)
Murata(1)
Murata(1)
Vishay(3)
Diodes(4)
Murata(1)
Vishay Dale(3)
Vishay Dale(3)
Vishay Dale(3)
Micrel, Inc.(5)
Description
Capacitor, 2.2µF, 16V, X7R, Size 0805
Capacitor, 0.1µF, 50V, X7R, Size 0603
Capacitor, 0.1µF, 16V, X7R, Size 0603
Capacitor, 4.71µF, 50V, X7R, Size 1206
3A, 60V Schottky Diode
10µH, 1700mA
Resistor, 6.65k, 1%, 1/10W, Size 0603
Resistor, 499Ω, 1%, 1/10W, Size 0603
Resistor, 10k, 1%, 1/10W, Size 0603
1.2A, 1.2MHz Wide Range Integrated Switch Boost Regulator
1.2A, 2MHz Wide Range Integrated Switch Boost Regulator
Qty.
1
2
2
1
1
1
1
1
1
September 2009
11 M9999-090909-A
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet MIC2601.PDF ] | |
Hoja de datos destacado
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