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PDF MIC5211-3.6BM6 Data sheet ( Hoja de datos )
| Número de pieza | MIC5211-3.6BM6 | |
| Descripción | Dual Cap 80mA LDO Regulator Preliminary Information | |
| Fabricantes | Micrel Semiconductor | |
| Logotipo |  |
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MIC5211
Micrel
MIC5211
Dual µCap 80mA LDO Regulator
Preliminary Information
General Description
The MIC5211 is a dual µCap 80mA linear voltage regulator
with very low dropout voltage (typically 20mV at light loads),
very low ground current (225µA at 20mA output current), and
better than 3% initial accuracy. This dual device comes in the
miniature SOT-23-6 package, featuring independent logic
control inputs.
The µCap regulator design is optimized to work with low-
value, low-cost ceramic capacitors. The outputs typically
require only 0.1µF of output capacitance for stability.
Designed especially for hand-held, battery-powered devices,
ground current is minimized using Micrel’s proprietary Super
ßeta PNP™ technology to prolong battery life. When dis-
abled, power consumption drops nearly to zero.
Key features include SOT-23-6 packaging, current limiting,
overtemperature shutdown, and protection against reversed
battery conditions.
The MIC5211 is available in dual 1.8V, 2.5V, 2.7V, 2.8V,
3.0V, 3.3V, 3.6V, and 5.0V versions. Certain mixed voltages
are also available. Contact Micrel for other voltages.
Features
• Stable with low-value ceramic or tantalum capacitors
• Independent logic controls
• Low quiescent current
• Low dropout voltage
• Mixed voltages available
• Tight load and line regulation
• Low temperature coefficient
• Current and thermal limiting
• Reversed input polarity protection
• Zero off-mode current
• Dual regulator in tiny SOT-23 package
• 2.5V to 16V input range
Applications
• Cellular telephones
• Laptop, notebook, and palmtop computers
• Battery-powered equipment
• Bar code scanners
• SMPS post regulator/dc-to-dc modules
• High-efficiency linear power supplies
Typical Application
Ordering Information
Part Number
Marking Voltage
MIC5211-1.8BM6
LFBB
1.8V
MIC5211-2.5BM6
LFCC
2.5V
MIC5211-2.7BM6
LFDD
2.7V
MIC5211-2.8BM6
LFEE
2.8V
MIC5211-3.0BM6
LFGG
3.0V
MIC5211-3.3BM6
LFLL
3.3V
MIC5211-3.6BM6
LFQQ
3.6V
MIC5211-5.0BM6
LFXX
5.0V
Dual-Voltage Regulators
MIC5211-1.8/2.5BM6 LFBC 1.8V/2.5V
MIC5211-1.8/3.3BM6 LFBL 1.8V/3.3V
MIC5211-2.5/3.3BM6 LFCL 2.5V/3.3V
MIC5211-3.3/5.0BM6 LFLX 3.3V/5.0V
Other voltages available. Contact Micrel for details.
Junction Temp. Range
0°C to +125°C
–40°C to +125°C
–40°C to +125°C
–40°C to +125°C
–40°C to +125°C
–40°C to +125°C
–40°C to +125°C
–40°C to +125°C
0°C to +125°C
0°C to +125°C
–40°C to +125°C
–40°C to +125°C
Package
SOT-23-6
SOT-23-6
SOT-23-6
SOT-23-6
SOT-23-6
SOT-23-6
SOT-23-6
SOT-23-6
SOT-23-6
SOT-23-6
SOT-23-6
SOT-23-6
VIN
Enable
Shutdown
Enable A
Enable
Shutdown
Enable B
MIC5211
16
25
34
VOUTA
0.1µF
VOUTB
0.1µF
Micrel, Inc. • 1849 Fortune Drive • San Jose, CA 95131 • USA • tel + 1 (408) 944-0800 • fax + 1 (408) 944-0970 • http://www.micrel.com
November 2000
1
MIC5211
1 page  
MIC5211
Micrel
Load Transient
200
0
-200
-1400
COUT = 1µF
VIN = VOUT + 1
50
0
-50
-1 0 1 2 3 4 5 6 7 8
TIME (ms)
100
0
-100
-1200
50
0
-50
-5
Load Transient
COUT = 10µF
VIN = VOUT + 1
0 5 10 15 20
TIME (ms)
Line Transient
(MIC5211-3.3)
3
2 CL = 1µF
1 IL = 1mA
0
-1
-28
6
4
2
-0.2 0.0 0.2 0.4 0.6 0.8 1.0
TIME (ms)
Line Transient
(MIC5211-3.3)
2
1
CL = 11µF
IL = 1mA
0
-81
6
4
2
-0.2 0.0 0.2 0.4 0.6 0.8 1.0
TIME (ms)
Ripple Voltage
vs. Frequency
100
80
60
40
IL = 100µA
20 CL = 1µF
VIN = VOUT + 1
0
FREQUENCY (Hz)
Ripple Voltage
vs. Frequency
100
80
60
40
IL = 1mA
20 CL = 1µF
VIN = VOUT + 1
0
FREQUENCY (Hz)
Ripple Voltage
vs. Frequency
100
80
60
40
IL = 50mA
20 CL = 1µF
VIN = VOUT + 1
0
FREQUENCY (Hz)
November 2000
5
MIC5211
5 Page 
MIC5211
Micrel
November 2000
11
MIC5211
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet MIC5211-3.6BM6.PDF ] | |
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