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PDF MIC61300 Data sheet ( Hoja de datos )
| Número de pieza | MIC61300 | |
| Descripción | Low Input Voltage Single-Supply High-Current LDO | |
| Fabricantes | MICREL | |
| Logotipo |  |
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MIC61300
Low Input Voltage, Single-Supply
High-Current LDO
General Description
Features
The Micrel MIC61300 is a 3A output, low input voltage,
single-supply regulator. This regulator operates over a
single input voltage range of 1.1V to 3.6V and offers an
ultra-low dropout less than 350mV over the entire
operating temperature range.
The MIC61300 is designed to drive digital circuits requiring
low voltages at high currents such as DSPs, FPGAs,
microcontrollers, etc. The regulator is available as a 1.0V
fixed-output voltage option or as an adjustable-output
voltage option.
The MIC61300 is stable with a 47µF, low-ESR ceramic
output capacitor, and includes protection features such as
thermal shutdown, current limiting and logic enable.
The MIC61300 is offered in two different packages: a low-
profile, leadless 10-pin 3mm x 3mm MLF® and a 10-pin
ePad MSOP. The MIC61300 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.
• Single VIN rail: 1.1V to 3.6V
• Output voltage accuracy: ±2.5% over temperature
• Typical dropout of 150mV at room temperature
– Maximum dropout of 350mV at full load over
temperature
• Output voltage adjustable down to 0.5V
• Soft-start control via external capacitor
• Excellent line and load regulation
• Logic controlled shutdown
• Thermal-shutdown and current-limit protection
• 10-pin 3mm × 3mm MLF® package
• 10-pin ePad MSOP package
• Junction temperature range from −40°C to +125°C
Applications
• Point-of-load applications
• ASIC / Microprocessor power supply
• FPGA power supply
• Telecom / Networking cards
• Wireless infrastructure
____________________________________________________________________________________________________________
Typical Application
Dropout Voltage
vs. Output Current
200
150
VIN = 1.5V
VFB = 0V
TA = 25ºC
100
50
www.DataSheet4U.com
0
0.0
1.0 2.0
OUTPUT CURRENT (A)
3.0
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 2010
M9999-092910-A
1 page  
Micrel, Inc.
Typical Characteristics
Dropout Voltage
vs. Input Voltage
300
ADJUSTABLE OPTION
250 VFB = 0V
200
IOUT = 3A
150
100 IOUT = 1.5A
50
0
1.0
IOUT = 100mA
1.5 2.0 2.5 3.0 3.5
INPUT VOLTAGE (V)
4.0
0.510
0.505
Feedback Voltage
vs. Input Voltage
VOUT = 1.0V
IOUT = 10mA
0.500
0.495
0.490
1.0
1.5 2.0 2.5 3.0 3.5
INPUT VOLTAGE (V)
4.0
Short-Circuit Current
vs. Input Voltage
10
8 VOUT = 0V
6
4
2
0
1.0
1.5 2.0 2.5 3.0 3.5
INPUT VOLTAGE (V)
4.0
www.DataSheet4U.com
GND Pin Current
vs. Input Voltage
20
16 VIN = VOUT + 0.4V
IOUT = 3A
12
8
4
0
1.0
1.5 2.0 2.5 3.0 3.5
INPUT VOLTAGE (V)
4.0
Feedback Pin Current
vs. Input Voltage
30
25 IOUT = 0A
20 VFB = 0.5V
15
10
5
0
1.0
1.5 2.0 2.5 3.0 3.5
INPUT VOLTAGE (V)
4.0
Enable Pin Current
vs. Input Voltage
20
15
10
VOUT = 1.0V
IOUT = 10mA
5 VEN = 3.6V
0
1.0
1.5 2.0 2.5 3.0 3.5
INPUT VOLTAGE (V)
4.0
MIC61300
Shutdown Ground Current
vs. Input Voltage
1.0
0.8 VOUT = 0V
VEN = 0V
0.6
0.4
0.2
0.0
1.0
2.0 3.0
INPUT VOLTAGE (V)
4.0
Load Regulation
vs. Input Voltage
0.10
0.05
0.00
-0.05
VOUT = 1.0V
IOUT = 10mA to 3A
-0.10
1.0
1.5 2.0 2.5 3.0 3.5
INPUT VOLTAGE (V)
4.0
10
8
6
4
2
0
0
Charge Pump Voltage
vs. Input Voltage
VOUT = 0.5V
IOUT = 50mA
123
INPUT VOLTAGE (V)
4
September 2010
5 M9999-092910-A
5 Page 
Micrel, Inc.
Functional Diagram
MIC61300
Figure 1. MIC61300 Block Diagram – Fixed
www.DataSheet4U.com
September 2010
Figure 2. MIC61300 Block Diagram – Adjustable
11
M9999-092910-A
11 Page | ||
| Páginas | Total 22 Páginas | |
| PDF Descargar | [ Datasheet MIC61300.PDF ] | |
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