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| 型号： | LT3494EDDB#TRMPBF |
| 厂商： | Linear Technology |
| 文件页数： | 12/12页 |
| 文件大小： | 0K |
| 描述： | IC REG BOOST ADJ 0.18A 8DFN |
| 标准包装： | 1 |
| 类型： | 升压（升压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 1.23 V ~ 38 V |
| 输入电压： | 2.3 V ~ 16 V |
| PWM 型： | 混合物 |
| 电流 - 输出： | 180mA |
| 同步整流器： | 无 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-WFDFN 裸露焊盘 |
| 包装： | 标准包装 |
| 供应商设备封装： | 8-DFN（3x2） |
| 产品目录页面： | 1331 (CN2011-ZH PDF) |
| 其它名称： | LT3494EDDB#TRMPBFDKR |
LT3494/LT3494A
TYPICAL APPLICATION
V IN
L1
10 μ H
D1
Ef?ciency and Power Loss vs Load Current
80 300
3V TO 4.2V
C2
4.7 μ F
3
5
4
1 8
SW CAP
V CC V OUT
LT3494A
SHDN FB
CTRL GND
7
6
2
C1
0.47 μ F
R1
V OUT
C3
10 μ F
75
70
65
60
LOAD FROM CAPACITOR
LOAD FROM V OUT
250
200
150
3494 F06
C1, C2: X5R OR X7R WITH SUFFICIENT VOLTAGE RATING
C3: TAIYO YUDEN TMK316BJ106ML
55
50
100
D1: CENTRAL SEMICONDUCTOR CMDSH-3
L1: MURATA LQH32CN100K53
45
V IN = 3.6V
50
Figure 6. One Li-Ion Cell Input Boost Converter with the LT3494A
40
0.1
1 10
V OUT = 16V
0
100
LOAD CURRENT (mA)
Output Voltage Ripple vs Load Current
3494 F06b
15
10
5
0
100MHz MEASUREMENT BW
V OUT
25
24
23
22
21
20
19
18
17
R1 VALUE REQUIRED
(M Ω )
3.57
3.40
3.24
3.09
2.94
2.80
2.67
2.49
2.37
MAXIMUM OUTPUT CURRENT AT
3V INPUT (mA)
13.0
14.0
15.0
16.5
17.5
19.0
20.0
21.5
23.0
0.1
1 10
LOAD CURRENT (mA)
100
16
15
2.21
2.05
25.0
27.0
3494 F06c
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COMMENTS
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3494fb
12 Linear Technology Corporation
(408) 432-1900 ● FAX: (408) 434-0507
www.linear.com
1630 McCarthy Blvd., Milpitas, CA 95035-7417
●
LT 0507 REV B ? PRINTED IN USA
? LINEAR TECHNOLOGY CORPORATION 2006
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| LT3495BEDDB#TRMPBF | 功能描述:IC REG BOOST ADJ 0.65A 10DFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 标准包装:2,500 系列:- 类型:升压（升压） 输出类型:可调式 输出数:1 输出电压:1.24 V ~ 30 V 输入电压:1.5 V ~ 12 V PWM 型:电流模式，混合 频率 - 开关:600kHz 电流 - 输出:500mA 同步整流器:无 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-SOIC（0.154"，3.90mm 宽） 包装:带卷 (TR) 供应商设备封装:8-SOIC |
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