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参数资料
| 型号： | LT3483IS6#PBF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 稳压器 |
| 英文描述： | 0.23 A SWITCHING REGULATOR, PDSO6 |
| 封装： | LEAD FREE, PLASTIC, MO-193, TSOT-23, 6 PIN |
| 文件页数： | 11/12页 |
| 文件大小： | 875K |
| 代理商： | LT3483IS6#PBF |
LT3483/LT3483A
8
3483fc
Suggested Layout (DFN)
for Inverting Charge Pump
APPLICATIONS INFORMATION
Board Layout Considerations
As with all switching regulators, careful attention must
be given to the PCB board layout and component place-
ment. Proper layout of the high frequency switching path
is essential. The voltage signals of the SW and D pins
have sharp rising and falling edges. Minimize the length
and area of all traces connected to the SW and D pins.
In particular, it is desirable to minimize the trace length
to and from the flying capacitor, since current in this ca-
pacitor switches directions within a cycle. Always use a
ground plane under the switching regulator to minimize
interplane coupling.
Suggested Layout (SOT-23)
for Inverting Charge Pump
1
2
3
6
5
4
+
VIN
GND
SHDN
CFLY
COUT
3483 AI01
R1
L1
CIN
VOUT
VIN
GND
SHDN
A
K
COUT
CIN
CFLY
3483 AI02
L1
R1
VOUT
9
4
1
2
3
6
5
7
8
TYPICAL APPLICATIONS
3.6V to –22V DC/DC Converter
3.6V to –22V Converter Efficiency and Power Loss
SW
L1
10H
D
LT3483
FB
C1
4.7F
C2
0.1F
D1
VIN
RS
30
R1
2.2M
C1: TAIYO YUDEN LMK316BJ475MD
C2: TAIYO YUDEN TMK107BJ104 (X5R)
C3: TAIYO YUDEN TMK316BJ105MD
D1: PHILIPS PMEG3002AEB
L1: MURATA LQH2MCN100K02L
C3
1F
5pF
3483 TA02a
VOUT
–22V
8mA
VIN
3.6V
SHDN
GND
LOAD CURRENT (mA)
0.1
EFFICIENCY
(%)
POWER
LOSS
(mW)
65
70
EFFICIENCY
10
3483 TA02b
60
55
1
75
10
100
POWER
LOSS
1
0.1
1000
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LT3483IS6-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Inverting Micropower DC/DC Converter with Schottky |
| LT3484-0 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Photoflash Capacitor Chargers |
| LT3484EDCB-0 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Photoflash Capacitor Chargers |
| LT3484EDCB-0#TR | 功能描述:IC PHOTOFLASH CAP CHARGER 6-DFN RoHS:否 类别:集成电路 (IC) >> PMIC - 电源管理 - 专用 系列:- 标准包装:1 系列:- 应用:手持/移动设备 电流 - 电源:- 电源电压:3 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:14-WFDFN 裸露焊盘 供应商设备封装:14-LLP-EP（4x4） 包装:Digi-Reel® 配用:LP3905SD-30EV-ND - BOARD EVALUATION LP3905SD-30 其它名称:LP3905SD-30DKR |
| LT3484EDCB-0#TRM | 功能描述:IC PHOTOFLASH CAP CHARGER 6-DFN RoHS:否 类别:集成电路 (IC) >> PMIC - 电源管理 - 专用 系列:- 标准包装:1 系列:- 应用:手持/移动设备 电流 - 电源:- 电源电压:3 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:14-WFDFN 裸露焊盘 供应商设备封装:14-LLP-EP（4x4） 包装:Digi-Reel® 配用:LP3905SD-30EV-ND - BOARD EVALUATION LP3905SD-30 其它名称:LP3905SD-30DKR |
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