参数资料
型号: LT3580IDD#PBF
厂商: Linear Technology
文件页数: 28/28页
文件大小: 0K
描述: IC REG BOOST INV SEPIC 2A 8DFN
标准包装: 121
类型: 升压(升压),反相,Sepic
输出数: 1
输入电压: 2.5 V ~ 32 V
PWM 型: 电流模式
频率 - 开关: 200kHz ~ 2.5MHz
电流 - 输出: 2A
同步整流器:
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 8-WFDFN 裸露焊盘
包装: 管件
供应商设备封装: 8-DFN-EP(3x3)
产品目录页面: 1332 (CN2011-ZH PDF)
LT3580
TYPICAL APPLICATION
2MHz Inverting Converter Generates –12V from a 5V to 12V Input
Efficiency and Power Loss
vs Load Current
V IN
5V TO 12V
V IN
SHDN
RT
L1
10μH
LT3580
C3
1μF
SW
GND
FB
L2
22μH
D1
147k
C2
10μF
V OUT
–12V
500mA (V IN = 12V)
350mA (V IN = 5V)
90
85
80
75
70
V IN = 5V
1400
1200
1000
800
600
VC
65
C1
2.2μF
45.3k
SYNC
SS
0.1μF
10k
2.2nF
47pF
60
55
400
200
3580 TA09a
C1: 2.2μF, 25V, X5R, 1206
C2: 10μF, 25V, X5R, 1206
C3: 1μF, 50V, X5R, 0805
D1: CENTRAL SEMI CMMSH1-40
L1: SUMIDA CDRH6D28NP-100NC
50
0
50
0
100 150 200 250 300 350 400
LOAD CURRENT (mA)
3580 TA09b
L2: SUMIDA CDRH3D28NP-220NC
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Current Protection
V IN : 1.2V to 15V, V OUT(MAX) = 34V, I Q = 20μA, I SD < 1μA,
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ThinSOT, 2mm × 3mm DFN Packages
V IN : 2.5V to 25V, V OUT(MAX) = 40V, Analog/PWM, I SD < 1μA,
QFN, TSSOP20E Packages
V IN : 2.5V to 24V, V OUT(MAX) = 40V, Analog/PWM, I SD < 1μA,
DFN, TSSOP Packages
3580fg
28 Linear Technology Corporation
(408) 432-1900 ● FAX: (408) 434-0507 www.linear.com
1630  McCarthy  Blvd.,  Milpitas,  CA  95035-7417
LT 0910 REV G ? PRINTED IN USA
? LINEAR TECHNOLOGY CORPORATION 2007
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