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參數(shù)資料
| 型號： | LT3495EDDB-1#TRMPBF |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 0.45 A SWITCHING REGULATOR, PDSO10 |
| 封裝： | 3 X 2 MM, LEAD FREE, PLASTIC, MO-229WECD-1, DFN-10 |
| 文件頁數(shù)： | 7/16頁 |
| 文件大?。?/td> | 299K |
| 代理商： | LT3495EDDB-1#TRMPBF |
LT3495/LT3495B/
LT3495-1/LT3495B-1
15
3495b1b1fa
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa-
tion that the interconnection of its circuits as described herein will not infringe on existing patent rights.
DDB Package
10-Lead Plastic DFN (3mm
× 2mm)
(Reference LTC DWG # 05-08-1722 Rev )
2.00
±0.10
(2 SIDES)
NOTE:
1. DRAWING CONFORMS TO VERSION (WECD-1) IN JEDEC PACKAGE OUTLINE M0-229
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
0.40
± 0.10
BOTTOM VIEW—EXPOSED PAD
0.64
± 0.05
(2 SIDES)
0.75
±0.05
R = 0.115
TYP
R = 0.05
TYP
2.39
±0.05
(2 SIDES)
3.00
±0.10
(2 SIDES)
1
5
10
6
PIN 1 BAR
TOP MARK
(SEE NOTE 6)
0.200 REF
0 – 0.05
(DDB10) DFN 0905 REV
0.25
± 0.05
2.39
±0.05
(2 SIDES)
RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS
0.64
±0.05
(2 SIDES)
1.15
±0.05
0.70
±0.05
2.55
±0.05
PACKAGE
OUTLINE
0.25
± 0.05
0.50 BSC
PIN 1
R = 0.20 OR
0.25
× 45°
CHAMFER
0.50 BSC
Efciency vs Load Current
TYPICAL APPLICATIONS
Wide Input Range SEPIC Converter with 5V Output
SW
CAP
VCC
SHDN
CTRL
VOUT
FB
GND
232k
3495 TA03a
LT3495B
C1
2.2μF
L1
10μH
L2
10μH
C3
10μF
C2
1μF
INPUT
2.6V TO 12V
TURN ON/OFF
VOUT DIMMING
C1: 2.2μF, 16V, X5R, 0805
C2: 1μF, 16V, X5R, 0805
C3: 10μF, 16V, X5R, 1206
D1: FAIRCHILD SEMI MBR0540
L1, L2: COILCRAFT LPS4018-103MLB
VOUT = 5V
200mA, VIN = 3.3V,
300mA, VIN = 5V,
500mA, VIN = 8V
D1
LOAD CURRENT (mA)
EFFICIENCY
(%)
POWER
LOSS
(mW)
3495 TA03b
90
80
50
60
70
40
1200
1000
400
200
600
800
0
0.1
10
100
1000
1
VCC = 3.3V
PACKAGE DESCRIPTION
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