LXDC2UR [MURATA]
Micro DCDC converter; 微型DC-DC转换器
| 型号： | LXDC2UR |
| 厂家： | 
muRata |
| 描述： | Micro DCDC converter |
| 文件： | 总10页 (文件大小：416K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
LXDC2UR series
Micro DCDC converter
1. Features
Low EMI noise and small footprint using inductor-imbedded ferrite substrate
High efficiency using synchronous rectifier technology
Selectable operating mode (PWM forced or PFM/PWM auto-select)
Input voltage range: 2.7 - 5.5V
Output voltage: 1.2 - 3.3V
Maximum Load Current: 600mA
Switching frequency: 6.0MHz
2. Mechanical details
2-1 Outline
Top View
Bottom View
Capacitor
a
IC
(C0.15)
2
9
3
4
b
d
8
W
d
e
7 6 5
L
e
c
c
Side View
Substrate
T
Unit:mm
Mark
L
Dimension
Mark
Dimension
0.45 +/-0.1
0.35 +/- 0.1
0.325
2.5 +/- 0.2
2.3 +/- 0.2
1.2MAX
a
b
c
d
e
W
T
0.375
0.25 +/- 0.2
1
June 2012
LXDC2UR series
Micro DCDC converter
2-2 Pin configuration
No.
Symbol
I/O
Description
Operation mode select pin
1
Mode
Input
H: Forced PWM mode, L: Auto PFM/PWM mode
2
GND
Vout
-
GND pin
3,4
Output
Voltage output pin
ON/OFF control pin
H: Enable, L: Disable
GND pin
5
EN
Input
6
7,8
9
GND
Vin
-
Input
-
Voltage input pin
GND pin
GND
3. Ordering Information
Part number
Output Voltage
1.2V
Device Specific Feature
MOQ
LXDC2UR12A-118
LXDC2UR15A-119
LXDC2UR18A-120
LXDC2UR30A-143
LXDC2UR33A-122
T/R,3000pcs/R
T/R,3000pcs/R
T/R,3000pcs/R
T/R,3000pcs/R
T/R,3000pcs/R
1.5V
1.8V
3.0V
3.3V
4. Electrical Specification
4-1 Absolute maximum ratings
Parameter
Symbol
Rating
6.3
Unit
V
oC
oC
Maximum input voltage
Operating temperature
Storage temperature
Vin
TOP
-40 to +85
-40 to +85
TSTO
2
June 2012
LXDC2UR series
Micro DCDC converter
4-2 Electrical characteristics (Ta=25℃)
Parameter
Symbol
Condition
LXDC2UR12A-118
Min.
2.7
2.7
2.7
3.6
3.6
-
Typ.
Max.
5.5
-
Unit
V
LXDC2UR15A-119
LXDC2UR18A-120
LXDC2UR30A-143
LXDC2UR33A-122
Input voltage
Vin
-
UVLO voltage
UVLO
Iin-off
2.05
0.1
1.2
1.5
1.8
3.0
3.3
-
V
Input leak current
uA
LXDC2UR12A-118
1.176
1.47
1.746
2.94
3.234
0
1.224
1.53
1.854
3.06
3.366
600
LXDC2UR15A-119
Vin-Vout>0.6V LXDC2UR18A-120
LXDC2UR30A-143
Output voltage
accuracy
Vout
V
LXDC2UR33A-122
LXDC2UR12A-118
LXDC2UR15A-119
0
600
Load current range
Iout
LXDC2UR18A-120
0
-
-
-
600
mA
LXDC2UR30A-143
0
600
LXDC2UR33A-122
0
600
3
June 2012
LXDC2UR series
Micro DCDC converter
Parameter
Symbol
Condition
LXDC2UR12A-118
Min.
-
Typ.
15
Max.
-
Unit
Vin=3.6V,
Iout=300mA,
BW=100MHz
LXDC2UR15A-119
LXDC2UR18A-120
LXDC2UR30A-143
15
15
Ripple voltage
Vrpl
mV(p-p)
15
Vin=5.0V,
Iout=300mA, LXDC2UR33A-122
BW=100MHz
15
LXDC2UR12A-118
-
82
84
87
93
-
LXDC2UR15A-119
Vin=3.6V,
Io=300mA
LXDC2UR18A-120
-
-
--
-
Efficiency
EFF
%
LXDC2UR30A-143
Vin=5.0V,
LXDC2UR33A-122
Iout=300mA
-
90
-
VENH
VENL
1.4
0
-
Vin
0.4
Vin
0.4
-
EN control voltage
MODE Voltage
V
V
-
VMODEH
VMODEL
Fosc
1.4
0
-
-
SW Frequency
Start-up time
-
6
MHz
us
Ton
170
4
June 2012
LXDC2UR series
Micro DCDC converter
4-3 Output Current Derating
This product is used by the following temperature derating.
5
June 2012
LXDC2UR series
Micro DCDC converter
5. Test Cricuit
(3), (4)
(1)
(7), (8)
(5)
Vout
Vin
EN
LXDC2UR
Mode
V_Mode
V_EN
Vin
GND
(2), (6), (9)
6. Reference Land Pattern
Top View
(C0.15)
a
b
2
1
3
4
d
d
8
9
5 6 7
c
c
Unit：mm
Dimension
0.45
Mark
a
b
c
d
0.35
0.325
0.375
Notes: this land layout is for reference purpose only.
6
June 2012
LXDC2UR series
Micro DCDC converter
7. Measurement Data
Micro DCDC Converter evaluation board (P2LX0006)
Measurement setup
7
June 2012
LXDC2UR series
Micro DCDC converter
Typical Measurement Data (reference purpose only)
(Ta=25℃)
Efficiency
Vin=3.6V, Vout=1.2V
Vin=3.6V, Vout=1.5V
Vin=3.6V, Vout=1.8V
Vin=3.6V, Vout=3.0V
Vin=5.0V, Vout=3.3V
8
June 2012
LXDC2UR series
Micro DCDC converter
Typical Measurement Data (reference purpose only)
(Ta=25℃)
Load Regulation
Vin=3.6V, Vout=1.2V
Vin=3.6V, Vout=1.5V
Vin=3.6V, Vout=1.8V
Vin=3.6V, Vout=3.0V
Vin=5.0V, Vout=3.3V
9
June 2012
LXDC2UR series
Micro DCDC converter
Typical Measurement Data (reference purpose only)
(Ta=25℃)
Output Ripple-Noise
Vin=3.6V, Vout=1.2V , BW : 150MHz
Vin=3.6V, Vout=1.5V, BW : 150MHz
Vin=3.6V, Vout=1.8V, BW : 150MHz
Vin=3.6V, Vout=3.0V, BW : 150MHz
Vin=5.0V, Vout=3.3V, BW : 150MHz
Note:
1. This datasheet's specifications are subject to change or our products in it may be discontinued without advance notice. Please check with
our sales representatives or product engineers before ordering.
2. This datasheet has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product
specifications or transact the approval sheet for product specifications before ordering.
10
June 2012
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