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PDF MIC5206-3.6BM5 Data sheet ( Hoja de datos )
| Número de pieza | MIC5206-3.6BM5 | |
| Descripción | 150mA Low-Noise LDO Regulator | |
| Fabricantes | Micrel Semiconductor | |
| Logotipo |  |
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MIC5206
Micrel
MIC5206
150mA Low-Noise LDO Regulator
General Description
The MIC5206 is an efficient linear voltage regulator with very
low dropout voltage (typically 17mV at light loads and 165mV
at 150mA), and very low ground current (600µA at 100mA
output), with better than 1% initial accuracy. It has a logic
compatible enable/shutdown control input and an internal
undervoltage monitor.
Designed especially for hand-held, battery-powered devices,
the MIC5206 can be switched by a CMOS or TTL compatible
logic signal. When disabled, power consumption drops
nearly to zero. Dropout ground current is minimized to
prolong battery life.
Key features include an undervoltage monitor with an error
flag output, a reference bypass pin to improve its already low-
noise performance (8-lead versions only), reversed-battery
protection, current limiting, and overtemperature shutdown.
The MIC5206 is available in several fixed voltages in a tiny
SOT-23-5 package. It features a pinout, similar to the LP2980,
but has significantly better performance. Fixed and adjust-
able output voltage versions, featuring the reference bypass
option, are available in the 8-lead Micrel Mini 8™ 8-lead
MSOP (micro small-outline package).
For low-dropout regulators that are stable with ceramic
output capacitors, see the µCap MIC5245/6/7 family.
Features
• Error flag indicates undervoltage fault
• High output voltage accuracy
• Guaranteed 150mA output
• Ultra-low-noise output (8-lead versions)
• Low quiescent current
• Low dropout voltage
• Extremely tight load and line regulation
• Very low temperature coefficient
• Current and thermal limiting
• Reversed-battery protection
• “Zero” off-mode current
• Logic-controlled electronic enable
Applications
• Cellular telephones
• Laptop, notebook, and palmtop computers
• Battery-powered equipment
• PCMCIA VCC and VPP regulation/switching
• Consumer/personal electronics
• SMPS post-regulator/dc-to-dc modules
• High-efficiency linear power supplies
Typical Applications
MIC5206-x.xBM5
VIN 1
5
VOUT
Enable
Shutdown
Enable (pin 3) may be
connected directly to
Supply Input (pin 1).
2
3
100k
4
COUT
1µF tantalum
Flag Output
(optional)
VOUT
Flag Output
(optional)
tantalum
1µF
1
2
3
4
47k
8 VIN
7 Enable
Shutdown
6
5
R1 MIC5206BMM
Enable (pin 7) may be
connected directly to
Supply Input (pin 8).
R2
SOT-23-5 Fixed Voltage Application
Adjustable Voltage Application
Micrel Mini 8™ is a trademark of Micrel, Inc.
Micrel, Inc. • 1849 Fortune Drive • San Jose, CA 95131 • USA • tel + 1 (408) 944-0800 • fax + 1 (408) 944-0970 • http://www.micrel.com
January 2000
1
MIC5206
1 page  
MIC5206
Typical Characteristics
Power Supply
Rejection Ratio
0
VIN = 6V
-20 VOUT = 5V
-40
-60
-80 IOUT = 10mA
COUT = 1µF
-100
1E1+01 11E0+02 1E1+k3 11E0+k4 11E0+05k 1E1M+6 1E0M+7
FREQUENCY (Hz)
Power Supply
Rejection Ratio
0
VIN = 6V
-20 VOUT = 5V
-40
-60
-80 IOUT = 100mA
COUT = 1µF
-100
1E1+01 11E0+02 1E1+k3 11E0+k4 11E0+05k 1E1M+6 1E0M+7
FREQUENCY (Hz)
Noise Performance
10
1 100mA
0.1 10mA
0.01
0.001
VOUT = 5V
COUT = 10µF
1mA
electrolytic
0.0001
1E10+1 11E0+02 1E1k+3 11E0+k4 11E0+0k5 1E1M+6 11E0+M7
FREQUENCY (Hz)
Noise Performance
10
1 10mA
100mA
0.1
0.01 VOUT = 5V
1mA
COUT = 10µF
0.001 electrolytic
CBYP = 1nF
0.0001
1E10+1 11E0+02 1E1k+3 11E0+k4 11E0+0k5 1E1M+6 11E0+M7
FREQUENCY (Hz)
January 2000
Power Supply
Rejection Ratio
0
VIN = 6V
-20 VOUT = 5V
-40
-60
IOUT = 10mA
-80 COUT = 2.2µF
-100
CBYP = 0.01µF
1E1+01 11E0+02 1E1+k3 11E0+k4 11E0+05k 1E1M+6 1E0M+7
FREQUENCY (Hz)
Power Supply
Rejection Ratio
0
VIN = 6V
-20 VOUT = 5V
-40
-60
-80
IOUT = 100mA
COUT = 2.2µF
-100
CBYP = 0.01µF
1E1+01 11E0+02 1E1+k3 11E0+k4 11E0+05k 1E1M+6 1E0M+7
FREQUENCY (Hz)
Noise Performance
10
1
10mA
0.1 100mA
0.01 VOUT = 5V
0.001
COUT = 22µF
tantalum
1mA
CBYP = 10nF
0.0001
1E10+1 11E0+02 1E1k+3 11E0+k4 11E0+0k5 1E1M+6 11E0+M7
FREQUENCY (Hz)
Noise Performance
10
1 10mA
100mA
0.1
0.01 VOUT = 5V
1mA
COUT = 10µF
0.001 electrolytic
CBYP = 1nF
0.0001
1E10+1 11E0+02 1E1k+3 11E0+k4 11E0+0k5 1E1M+6 11E0+M7
FREQUENCY (Hz)
5
Micrel
Turn-On Time
vs. Bypass Capacitance
10000
1000
100
10
10
100 1000 10000
CAPACITANCE (pF)
Noise Performance
10
10mA, COUT = 1µF
1
0.1
0.01
1mA
COUT = 1µF
CBYP = 10nF
0.001
VOUT = 5V
0.0001
1E1+01 11E0+02 1E1+k3 11E0+k4 11E0+05k 11EM+6 11E0+M7
FREQUENCY (Hz)
Noise Performance
10
1
100mA
0.1
0.01 VOUT = 5V
1mA
0.001
COUT = 10µF
electrolytic
10mA
CBYP = 100pF
0.0001
1E10+1 11E0+02 1E1k+3 11E0+k4 11E0+0k5 1E1M+6 11E0+M7
FREQUENCY (Hz)
320
280
240
200
160
120
80
40
0
0
Dropout Voltage
vs. Output Current
+125°C
+25°C
–40°C
40 80 120 160
OUTPUT CURRENT (mA)
MIC5206
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet MIC5206-3.6BM5.PDF ] | |
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