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参数资料
| 型号： | LTC3459EDCB#PBF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 稳压器 |
| 英文描述： | 0.09 A SWITCHING REGULATOR, PDSO6 |
| 封装： | 2 X 3 MM, LEAD FREE, PLASTIC, MO-229, DFN-6 |
| 文件页数： | 2/12页 |
| 文件大小： | 216K |
| 代理商： | LTC3459EDCB#PBF |
LTC3459
10
3459fc
TYPICAL APPLICATIONS
Figure 5. Charging a SuperCap from a 3.3V Source
SW
L1
VIN
1M
VOUT
5V
COUT
2F
1μF
LTC3459
SHDN
VOUT
FB
3.3V
OFF ON
GND
332k
3459 F05
COUT: MAXWELL TECHNOLOGIES ULTRACAP PC5-5, 2F, 5V
L1: 33μH, 1.7Ω TAIYO YUDEN LB2016
+
controlled, preventing any damaging effects of inrush
current. Proper heat sinking of the package is required in
this application as the die may dissipate 100mW to 200mW
during initial charging. When VOUT is greater than ~3.5V,
normal boost mode operation and efciency begin, with
the P-channel MOSFET acting as a synchronous switch.
Average input current is a constant 50mA during charg-
ing, where the current delivered to the SuperCap varies
somewhat with duty cycle. Once the SuperCap is charged
to 5V, the LTC3459 begins to regulate and the input cur-
rent is reduced to the amount required to support the load
and/or self discharge of the SuperCap.
PACKAGE DESCRIPTION
2.00 0.10
(4 SIDES)
NOTE:
1. DRAWING TO BE MADE A JEDEC PACKAGE OUTLINE M0-229 VARIATION OF (WCCD-2)
2. DRAWING NOT TO SCALE
3. ALL DIMENSIONS ARE IN MILLIMETERS
4. DIMENSIONS OF EXPOSED PAD ON BOTTOM OF PACKAGE DO NOT INCLUDE
MOLD FLASH. MOLD FLASH, IF PRESENT, SHALL NOT EXCEED 0.15mm ON ANY SIDE
5. EXPOSED PAD SHALL BE SOLDER PLATED
6. SHADED AREA IS ONLY A REFERENCE FOR PIN 1 LOCATION ON THE
TOP AND BOTTOM OF PACKAGE
0.38
0.05
BOTTOM VIEW—EXPOSED PAD
0.56
0.05
(2 SIDES)
0.75 0.05
R = 0.115
TYP
1.37 0.05
(2 SIDES)
1
3
6
4
PIN 1 BAR
TOP MARK
(SEE NOTE 6)
0.200 REF
0.00 – 0.05
(DC6) DFN 1103
0.25
0.05
1.42 0.05
(2 SIDES)
RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS
0.61 0.05
(2 SIDES)
1.15 0.05
0.675 0.05
2.50 0.05
PACKAGE
OUTLINE
0.25
0.05
0.50 BSC
PIN 1
CHAMFER OF
EXPOSED PAD
DC Package
6-Lead Plastic DFN (2mm
× 2mm)
(Reference LTC DWG # 05-08-1703)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC3459EDCB-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:10V Micropower Synchronous Boost Converter |
| LTC3459EDCPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:10V Micropower Synchronous Boost Converter |
| LTC3459EDC-PBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:10V Micropower Synchronous Boost Converter |
| LTC3459EDC-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:10V Micropower Synchronous Boost Converter |
| LTC3459ES6 | 制造商:LINER 制造商全称:Linear Technology 功能描述:10V Micropower Synchronous Boost Converter in ThinSOT |
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