参数资料
型号: LT3483AIDC#TRPBF
厂商: Linear Technology
文件页数: 12/12页
文件大小: 0K
描述: IC REG INV ADJ 0.4A 8DFN
标准包装: 2,500
类型: 反相
输出类型: 可调式
输出数: 1
输出电压: 可调至 -38V
输入电压: 2.5 V ~ 16 V
电流 - 输出: 400mA
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: 带卷 (TR)
供应商设备封装: 8-DFN(2x2)
LT3483/LT3483A
TYPICAL APPLICATION
–5V Step-Up/Step-Down Converter
V IN
2.5V TO 6V
L1A
4.7μH
?
?
L1B
4.7μH
V IN
SW
D
V OUT
–5V
C1
4.7μF
LT3483A
SHDN FB
22pF
511k
C2
10μF
GND
C1: TAIYO YUDEN EMK316BJ475ML
C2: TAIYO YUDEN JMK316BJ106ML
L1A, L1B: COILTRONICS SDQ12-4R7 OR
COILCRAFT LPD3015-472
Efficiency and Power Loss vs Load Current
3483 TA03a
Switching Waveforms
70
60
50
40
30
V IN = 3.6V
210
180
150
120
90
V OUT
50mV/DIV
AC-COUPLED
V SW
10V/DIV
I L1A
0.5A/DIV
I L1B
0.5A/DIV
20
10
60
30
2μs/DIV
3483 TA03c
0
0.1
1
10
0
100
LOAD CURRENT (mA)
3483 TA03b
RELATED PARTS
PART NUMBER
LT1617/LT1617-1
LT1931/LT1931A
LT1945
LT3463
LT3464
LT3472
DESCRIPTION
350mA/100mA (I SW ) High Efficiency
Micropower Inverting DC/DC Converter
1A (I SW ), 1.2MHz/2.2MHz, High Efficiency
Micropower Inverting DC/DC Converter
Dual Output, Boost/Inverter, 350mA (I SW ), Constant
Off-Time, High Efficiency Step-Up DC/DC Converter
Dual Output, Boost/Inverter, 250mA (I SW ), Constant
Off-Time, High Efficiency Step-Up DC/DC Converter
with Integrated Schottky Diodes
85mA (I SW ), High Efficiency Step-Up DC/DC Converter
with Integrated Schottky and PNP Disconnect
Boost (350mA) and Inverting (400mA) DC/DC Converter
for CCD Bias with Integrated Schottkys
COMMENTS
V IN : 1.2V to 15V, V OUT(MAX) = –34V, I Q = 20μA, I SD < 1μA
ThinSOT Package
V IN : 2.6V to 16V, V OUT(MAX) = –34V, I Q = 5.8mA, I SD < 1μA
ThinSOT Package
V IN : 1.2V to 15V, V OUT(MAX) = ±34V, I Q = 40μA, I SD < 1μA,
MS10 Package
V IN : 2.3V to 15V, V OUT(MAX) = ±40V, I Q = 40μA, I SD < 1μA
DFN Package
V IN : 2.3V to 10V, V OUT(MAX) = 34V, I Q = 25μA, I SD < 1μA
ThinSOT Package
V IN : 2.3V to 15V, V OUT(MAX) = ±40V, I Q = 2.8mA, I SD < 1μA
DFN Package
3483fc
1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408)432-1900 ● FAX:(408)434-0507    www.linear.com ●
12 Linear Technology Corporation
LT 0910 REV C ? PRINTED IN USA
? LINEAR TECHNOLOGY CORPORATION 2004
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