MIC2211-NNBML [MICREL]
Dual UCap LDO in 3mm 】 3mm MLF⑩; 双UCAP LDO采用3mm 】 3毫米MLF⑩
| 型号： | MIC2211-NNBML |
| 厂家： | 
MICREL SEMICONDUCTOR |
| 描述： | Dual UCap LDO in 3mm 】 3mm MLF⑩ |
| 文件： | 总9页 (文件大小：198K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
MIC2211
Dual µCap LDO in 3mm × 3mm MLF™
General Description
Features
The MIC2211 is a dual µCap, low dropout regulator. The first
regulator is capable of sourcing 150mA, while the second
regulator can source up to 300mA.
• Input voltage range: 2.25V to 5.5V
• Stable with ceramic output capacitor
• 2 LDO outputs
• Output 1 - 150mA output current
• Output 2 - 300mA output current
• Low dropout voltage of 80mV @ 100mA
• Ultra-low quiescent current of 48µA total (24µA/LDO)
• High output accuracy:
• +1.0% initial accuracy
• +2.0% over temperature
• Thermal shutdown protection
• Current limit protection
• Tiny 10-pin 3mm × 3mm MLF™ package
Ideal for battery operated applications, the MIC2211 offers
1% accuracy, extremely low dropout voltage (80mV @
100mA), and extremely low ground current, only 48µA total.
EquippedwithTTLlogiccompatibleenablepins,theMIC2211
can be put into a zero-off-mode current state, drawing no
current when disabled. Separate enable pins allow individual
control of each output voltage.
The MIC2211 is a µCap design, operating with very small
ceramic output capacitors for stability, reducing required
board space and component cost.
Applications
The MIC2211 is available in fixed output voltages in the
10-pin 3mm × 3mm MLF™ leadless package.
• Cellular phones
• Wireless modems
• PDAs
Typical Application
MIC2211-xxBML
VIN
VOUT1
VI/O
OFF ON
OFF ON
VCORE
EN1
EN2
CBYP
VOUT2
1µF
Ceramic
1µF
Baseband
µProcessor
0.01µF
GND
MIC2211 Typical Cell Phone Application
MicroLeadFrame and MLF are trademarks of Amkor Technology, Inc.
Micrel, Inc. • 1849 Fortune Drive • San Jose, CA 95131 • USA • tel + 1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com
August 2004
1
M9999-080204
MIC2211
Micrel
Ordering Information
Part Number
Standard
Manufacturing Number
MIC2211-ADJ/ADJBML
MIC2211-1.5/1.8BML
MIC2211-1.5/2.8BML
MIC2211-1.5/3.1BML
MIC2211-1.6/2.8BML
MIC2211-1.6/2.9BML
MIC2211-1.6/3.3BML
MIC2211-1.8/2.8BML
MIC2211-1.8/2.9BML
MIC2211-1.8/3.0BML
MIC2211-1.8/3.3BML
MIC2211-1.9/2.8BML
MIC2211-2.5/1.8BML
MIC2211-2.5/1.9BML
MIC2211-2.5/2.8BML
MIC2211-2.5/3.0BML
MIC2211-2.5/3.3BML
MIC2211-2.8/1.5BML
MIC2211-2.8/1.8BML
MIC2211-2.8/2.5BML
MIC2211-2.8/3.0BML
MIC2211-2.8/3.3BML
MIC2211-2.85/3.3BML
MIC2211-2.85/2.85BML
MIC2211-2.9/1.5BML
MIC2211-3.0/1.6BML
MIC2211-3.0/2.8BML
MIC2211-3.0/3.0BML
MIC2211-3.0/3.3BML
MIC2211-3.3/2.8BML
MIC2211-3.3/3.3BML
MIC2211-1.5/3.1BML
MIC2211-3.6/3.6BML
Pb-Free
Contact Micrel
Contact Micrel
MIC2211-FMYML
Contact Micrel
Voltage*
Temp. Range
Package
MIC2211-AA BML
MIC2211-FGBML
MIC2211-FMBML
MIC2211-FQBML
ADJ/ADJ –40°C to +125°C 10-Pin 3×3 MLF™
1.5V/1.8V –40°C to +125°C 10-Pin 3×3 MLF™
1.5V/2.8V –40°C to +125°C 10-Pin 3×3 MLF™
1.5V/3.1V –40°C to +125°C 10-Pin 3×3 MLF™
1.6V/2.8V –40°C to +125°C 10-Pin 3×3 MLF™
1.6V/2.9V –40°C to +125°C 10-Pin 3×3 MLF™
1.6V/3.3V –40°C to +125°C 10-Pin 3×3 MLF™
1.8V/2.8V –40°C to +125°C 10-Pin 3×3 MLF™
1.8V/2.9V –40°C to +125°C 10-Pin 3×3 MLF™
1.8V/3.0V –40°C to +125°C 10-Pin 3×3 MLF™
1.8V/3.3V –40°C to +125°C 10-Pin 3×3 MLF™
1.9V/2.8V –40°C to +125°C 10-Pin 3×3 MLF™
2.5V/1.8V –40°C to +125°C 10-Pin 3×3 MLF™
2.5V/1.9V –40°C to +125°C 10-Pin 3×3 MLF™
2.5V/2.8V –40°C to +125°C 10-Pin 3×3 MLF™
2.5V/3.0V –40°C to +125°C 10-Pin 3×3 MLF™
2.5V/3.3V –40°C to +125°C 10-Pin 3×3 MLF™
2.8V/1.5V –40°C to +125°C 10-Pin 3×3 MLF™
2.8V/1.8V –40°C to +125°C 10-Pin 3×3 MLF™
2.8V/2.5V –40°C to +125°C 10-Pin 3×3 MLF™
2.8V/3.0V –40°C to +125°C 10-Pin 3×3 MLF™
2.8V/3.3V –40°C to +125°C 10-Pin 3×3 MLF™
2.85V/3.3V –40°C to +125°C 10-Pin 3×3 MLF™
2.85V/2.85V –40°C to +125°C 10-Pin 3×3 MLF™
2.9V/1.5V –40°C to +125°C 10-Pin 3×3 MLF™
3.0V/1.6V –40°C to +125°C 10-Pin 3×3 MLF™
3.0V/2.8V –40°C to +125°C 10-Pin 3×3 MLF™
3.0V/3.0V –40°C to +125°C 10-Pin 3×3 MLF™
3.0V/3.3V –40°C to +125°C 10-Pin 3×3 MLF™
3.3V/2.8V –40°C to +125°C 10-Pin 3×3 MLF™
3.3V/3.3V –40°C to +125°C 10-Pin 3×3 MLF™
1.5V/3.1V –40°C to +125°C 10-Pin 3×3 MLF™
3.6V/3.6V –40°C to +125°C 10-Pin 3×3 MLF™
MIC2211-WMBML Contact Micrel
MIC2211-WOBML Contact Micrel
MIC2211-WSBML MIC2211-WSYML
MIC2211-GMBML MIC2211-GMYML
MIC2211-GOBML
MIC2211-GPBML
MIC2211-GSBML
MIC2211-GOYML
MIC2211-GPYML
MIC2211-GSYML
MIC2211-YMBML Contact Micrel
MIC2211-JGBML
MIC2211-JYBML
MIC2211-JMBML
MIC2211-JPBML
MIC2211-JSBML
Contact Micrel
MIC2211-JYYML
MIC2211-JMYML
MIC2211-JPYML
MIC2211-JSYML
MIC2211-MFBML Contact Micrel
MIC2211-MGBML Contact Micrel
MIC2211-MJBML
Contact Micrel
MIC2211-MPBML Contact Micrel
MIC2211-MSBML MIC2211-MSYML
MIC2211-NSBML Contact Micrel
MIC2211-NNBML Contact Micrel
MIC2211-OFBML Contact Micrel
MIC2211-PWBML Contact Micrel
MIC2211-PMBML MIC2211-PMYML
MIC2211-PPBML MIC2211-PPYML
MIC2211-PSBML MIC2211-PSYML
MIC2211-SMBML Contact Micrel
MIC2211-SSBML
MIC2211-FQBML Contact Micrel
MIC2211-WBML Contact Micrel
Contact Micrel
*For other output voltage options, contact Micrel marketing.
Pin Configuration
10 VOUT1
9 VOUT2
8 NC
VIN
EN1
EN2
BYP
NC
1
2
3
4
5
7 NC
6 GND
10-Pin 3mm × 3mm MLF™ (ML)
(Top View)
M9999-090204
2
August 2004
MIC2211
Micrel
Voltage
Adj.
1.5
Code
A
F
1.6
W
G
D
Y
1.8
1.85
1.9
2.0
H
E
2.1
2.5
J
2.6
K
2.7
L
2.8
M
N
O
P
2.850
2.9
3.0
3.1
Q
R
S
3.2
3.3
3.4
T
3.5
U
V
3.6
Table 1. Voltage Codes
Pin Description
Pin Number
Pin Name
VIN
Pin Function
1
2
Supply Input: (VIN1 and VIN2 are internally tied together.)
EN1
Enable Input to Regulator 1: Enables regulator 1 output. Active high input.
High = on, low = off. Do not leave floating.
3
4
EN2
Enable Input to Regulator 2: Enables regulator 2 output. Active high input.
High = on, low = off. Do not leave floating.
CBYP
Reference Bypass: Connect external 0.01µF to GND to reduce output noise.
May be left open.
5, 7, 8
6
NC
No Connection.
GND
Ground: Connect externally to Exposed Pad.
Output of Regulator 2: 300mA output current
Output of Regulator 1: 150mA output current
Ground: Internally connected to the Exposed Pad. Connect externally to pin 6.
9
VOUT2
VOUT1
GND
10
EP
August 2004
3
M9999-080204
MIC2211
Micrel
Absolute Maximum Rating(1)
Operating Ratings(2)
Supply Input Voltage (V ) .................................... 0V to 7V
Supply Input Voltage (V ) ............................ 2.25V to 5.5V
IN
IN
Enable Input Voltage (V ) ................................... 0V to 7V
Enable Input Voltage (V ) .................................. 0V to Vin
EN
EN
(3)
Power Dissipation (P ) ........................ Internally Limited
Junction Temperature (T ) ....................... –40°C to +125°C
D
J
Junction Temperature .............................. –40°C to +125°C
Package Thermal Resistance
MLF™-10 (θ )....................................................60°C/W
Storage Temperature (T ) ......................... –65°C to 150°C
JA
S
Lead Temperature (soldering, 5 sec.) ....................... 260°C
Electrical Characteristics(4)
VIN = VOUT +1.0V for higher output of the regulator pair; COUT = 1.0µF, IOUT = 100µA; TJ = 25°C, bold values indicate
–40°C ≤ TJ ≤ +125°C; unless noted.
Parameter
Conditions
Min
Typ
Max
Units
Output Voltage Accuracy
Variation from nominal VOUT
–1.0
–2.0
+1.0
+2.0
%
%
Output Voltage Temp. Coefficient
Line Regulation(5)
40
ppm/C
%/V
VIN = VOUT +1V to 5.5V
–0.3
–0.6
0.02
0.3
0.6
Load Regulation
I
OUT = 100µA to 150mA (Regulator 1 and 2)
0.2
1.0
%
%
IOUT = 100µA to 300mA (Regulator 2)
1.5
Dropout Voltage(6)
IOUT = 150mA (Regulator 1 and 2)
120
240
48
190
250
mV
mV
I
OUT = 300mA (Regulator 2)
340
420
mV
Ground Pin Current
IOUT1 = IOUT2 = 0µA
65
80
µA
µA
IOUT1 = 150mA & IOUT2 = 300mA
60
µA
µA
Ground Pin Current in Shutdown
Ripple Rejection
VEN ≤ 0.4V
2.0
f = 1kHz; COUT = 1.0µF ceramic; CBYP = 10nF
f = 20kHz; COUT = 1.0µF ceramic; CBYP = 10nF
VOUT = 0V (Regulator 1)
60
40
dB
dB
Current Limit
150
300
280
450
30
460
700
mA
VOUT = 0V (Regulator 2)
mA
Output Voltage Noise
Enable Input
COUT =1µF, CBYP =0.01µF, 10Hz to 100kHz
µVrms
Enable Input Voltage
Logic Low (Regulator Shutdown)
Logic High (Regulator Enabled)
VIL < 0.6V (Regulator Shutdown)
VIH > 1.8V (Regulator Enabled)
0.6
V
V
1.8
–1
–1
Enable Input Current
0.01
0.01
+1
+1
µA
µA
Notes:
1. Exceeding maximum rating may damage the device.
2. The device is not guaranteed to work outside its operating rating.
3. The maximum allowable power dissipation of any T (ambient temperature) is (P
= T
– T ) / θ . Exceeding the maximum allowable
J(max) A JA
A
D(max)
power dissipation will result in excessive die temperature, and the regulator will go into thermal shutdown.
4. Specification for packaged product only.
5. Minimum input for line regulation test is set to V
+ 1V relative to the highest output voltage.
OUT
6. Dropout voltage is defined as the input-to-output differential at which the output voltage drops 2% below its nominal value measured at 1V differen-
tial. For outputs below 2.25V, dropout voltage is the input-to-output voltage differential with the minimum input voltage 2.25V. Minimum input
operating voltage is 2.25V.
M9999-090204
4
August 2004
MIC2211
Micrel
Typical Characteristics
Spectral Noise
Density Output 1
PSRR Output 1
PSRR Output 2
80
80
60
40
20
0
10E-6
1E-6
CBYP = 100nF
CBYP = 100nF
100µA Load
CBYP = 10nF
CBYP = 10nF
60
CBYP = 1nF
CBYP = 1nF
40
100E-9
COUT = 1µF
20
VIN = VOUT + 1
IOUT = 150mA
VIN = VOUT + 1
IOUT = 300mA
COUT = 1µF
C
IN = 1µF
BYP = 0.01µF
C
COUT = 1µF
0
10E-9
0.01 0.1
1
10
100 1000
0.01 0.1
1
10
100 1000
10
100
1k
10k 100k 1M
FREQUENCY (kHz)
FREQUENCY (kHz)
FREQUENCY (Hz)
Dropout Characteristics
Output 1
Dropout Characteristics
Output 2
Spectral Noise
Density Output 2
3
2.5
2
3
2.5
2
10E-6
1E-6
100µA Load
100µA
100µA
150mA
300mA
1.5
1
1.5
1
100E-9
10E-9
COUT = 1µF
CIN = 1µF
0.5
0.5
CBYP = 0.01µF
0
0
0
1
2
3
4
5
0
1
2
3
4
5
10
100
1k
10k 100k 1M
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
FREQUENCY (Hz)
Ground Current
vs. Supply Voltage
Dropout Voltage
Output 2
Dropout Voltage
Output 1
60
50
40
30
20
10
0
150
100
50
350
300
250
200
150
100
50
Output 1 and 2
with 100µA load
150mA load
300mA load
0
0
0
1
2
3
4
5
6
-40 -20
0
20 40 60 80 100120140
-40 -20
0
20 40 60 80 100120140
SUPPLY VOLTAGE (V)
TEMPERATURE (°C)
TEMPERATURE (°C)
Ground Current
vs. Output 1 Current
Ground Current
vs. Output 2 Current
Ground Pin Current
60
50
40
30
20
10
0
60
50
40
30
20
10
0
60
50
40
30
20
10
0
1mA
100µA
0µA
Load on both outputs
0
20 40 60 80 100 120 140
0
50 100 150 200 250 300
OUTPUT 1 LOAD CURRENT (mA)
OUTPUT 2 LOAD CURRENT (mA)
TEMPERATURE (°C)
August 2004
5
M9999-080204
MIC2211
Micrel
Typical Characteristics (cont.)
Ground Current
vs. Output Current
Ground Current
vs. Output Current
Ground Current
vs. Output Current
35
30
25
20
15
10
5
35
60
50
40
30
20
30
Both Enabled
25
LDO1
LDO2
20
15
10
Both LDOs Active
LDO2 = 300mA
LDO2 Only
LDO1 Disabled (VEN1 = LOW)
LDO1 Only
LDO2 Disabled (VEN2 = LOW)
10 Output Current LDO1
Varied from 0 to Full Load
5
0
0
0
0
50 100 150 200 250 300
0
50
100
150
0
50
100
150
OUTPUT 2 LOAD CURRENT (mA)
OUTPUT 1 LOAD CURRENT (mA)
OUTPUT 1 LOAD CURRENT (mA)
Output Voltage
vs. Load Current
Output Voltage
vs. Load Current
Ground Current
vs. Output Current
2.610
2.605
2.600
2.595
2.590
2.585
2.580
2.870
2.865
2.860
2.855
2.850
2.845
2.840
2.835
2.830
2.825
2.820
60
50
40
30
20
10
0
Both Enabled
Both LDOs Active
LDO1 = 150mA
Output Current LDO2
Varied from 0 to Full Load
0
50 100 150 200 250 300
0
25 50 75 100 125 150
0
50 100 150 200 250 300
OUTPUT 2 LOAD CURRENT (mA)
OUTPUT 1 LOAD CURRENT (mA)
OUTPUT 2 LOAD CURRENT (mA)
Output Voltage 1
vs. Temperature
Output Voltage 2
vs. Temperature
Enable Voltage Threshold
vs. Supply Voltage
3.15
3.10
3.05
3.00
2.95
2.90
2.85
2.95
2.90
2.85
2.80
2.75
2.70
2.65
1.60
1.40
1.20
1.00
0.80
0.60
0.40
0.20
0.00
100µA load
100µA load
-40 -20
0
20 40 60 80 100120140
-40 -20
0
20 40 60 80 100120140
2.25 2.75 3.25 3.75 4.25 4.75 5.25
SUPPLY VOLTAGE (V)
TEMPERATURE (°C)
TEMPERATURE (°C)
M9999-090204
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August 2004
MIC2211
Micrel
Functional Characteristics
Load Transient Response (LDO 1)
Enable Characteristics
150mA
100µA
CIN = 1µF
CIN = 1µF
COUT = 1µF
CBYP = 0.01µF
VIN = VOUT+1V
COUT = 1µF Ceramic
CBYP = 0.01µF
VIN = 5V
Time (4µs/div)
Time (100µs/div)
Load Transient Response (LDO 2)
300mA
100µA
CIN = 1µF
COUT = 1µF
CBYP = 0.01µF
VIN = VOUT+1V
Time (4µs/div)
August 2004
7
M9999-080204
MIC2211
Micrel
Functional Diagram
VIN
OUT1
OUT2
LDO1
EN1
LDO2
EN2
CBYP
Reference
GND
MIC2211 Fixed Voltage Block Diagram
Functional Description
increase power supply rejection (PSRR). A quick-start fea-
ture allows for quick turn-on of the output voltage regardless
of the size of the capacitor. The recommended nominal
bypass capacitor is 0.01µF, but it can be increased without
limit.
The MIC2211 is a high performance, low quiescent current
power management IC consisting of two µCap low dropout
regulators. The first regulator is capable of sourcing 150mA
at output voltages from 1.25V to 5V. The second regulator is
capable of sourcing 300mA of current at output voltages from
1.25V to 5V.
Output Capacitor
Enable 1 and 2
Each regulator output requires a 1µF ceramic output capaci-
tor for stability. The output capacitor value can be increased
to improve transient response, but performance has been
optimized for a 1µF ceramic type output capacitor.
The enable inputs allow for logic control of both output
voltages with individual enable inputs. The enable input is
active high, requiring 1.8V for guaranteed operation. The
enable input is CMOS logic and cannot by left floating.
X7R/X5R dielectric-type ceramic capacitors are recom-
mended because of their temperature performance. X7R-
type capacitors change capacitance by 15% over their oper-
ating temperature range and are the most stable type of
ceramiccapacitors.Z5UandY5Vdielectriccapacitorschange
value by as much as 50% and 60% respectively over their
operatingtemperatureranges. Touseaceramicchipcapaci-
torwithY5Vdielectric, thevaluemustbemuchhigherthanan
X7R ceramic capacitor to ensure the same minimum capaci-
tance over the equivalent operating temperature range.
Input Capacitor
Good bypassing is recommended from input to ground to
help improve AC performance. A 1µF capacitor or greater
located close to the IC is recommended.
Bypass Capacitor
The internal reference voltage of the MIC2211 can be by-
passed with a capacitor to ground to reduce output noise and
M9999-090204
8
August 2004
MIC2211
Micrel
Package Information
+0.15
0.85
0.01
—0.05
+0.15
1.60
0.80
—0.15
+0.15
—0.15
3.00 BSC.
+0.04
—0.01
1.50 BSC.
1.50 BSC.
0.48 typ.
PIN 1 ID
+0.07
—0.05
0.23
1
1
2
3
+0.15
—0.15
1.15
2
3
+0.15
3.00 BSC.
2.30
—0.15
0.20 dia
0.50 BSC.
+0.15
—0.05
0.40
TOP
BOTTOM
SEATING PLANE
TERMINAL TIP
+0.07
—0.05
0.23
+0.04
—0.01
0.01
0.50 BSC.
0.50 BSC.
TERMINAL TIP
ODD TERMINAL SIDE
EVEN TERMINAL SIDE
10-Lead MLF™ (ML)
MICREL, INC. 1849 FORTUNE DRIVE SAN JOSE, CA 95131 USA
TEL + 1 (408) 944-0800 FAX + 1 (408) 474-1000 WEB http://www.micrel.com
The information furnished by Micrel in this datasheet is believed to be accurate and reliable. However, no responsibility is assumed by Micrel for its use.
Micrel reserves the right to change circuitry and specifications at any time without notification to the customer.
Micrel Products are not designed or authorized for use as components in life support appliances, devices or systems where malfunction of a product can
reasonably be expected to result in personal injury. Life support devices or systems are devices or systems that (a) are intended for surgical implant into
the body or (b) support or sustain life, and whose failure to perform can be reasonably expected to result in a significant injury to the user. A Purchaser’s
use or sale of Micrel Products for use in life support appliances, devices or systems is at Purchaser’s own risk and Purchaser agrees to fully indemnify
Micrel for any damages resulting from such use or sale.
© 2004 Micrel, Incorporated.
August 2004
9
M9999-080204
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