参数资料
型号: LT8582IDKD#PBF
厂商: Linear Technology
文件页数: 30/36页
文件大小: 0K
描述: IC REG MULTI CONFIG ADJ 3A 24DFN
标准包装: 52
类型: 升压(升压),反相,回扫,Sepic
输出类型: 可调式
输出数: 2
输出电压: 最高 42V
输入电压: 2.5 V ~ 22 V
PWM 型: 电流模式
频率 - 开关: 200kHz ~ 2.5MHz
电流 - 输出: 3A
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: 24-WFDFN 裸露焊盘
包装: 管件
供应商设备封装: 24-DFN(7x4)

LT8582
TYPICAL APPLICATIONS
1.5MHz, 5V to ±12V Boost and Inverting Converter Can Survive Output Shorts
V IN
5V
L1
4.7μH
C IN1
4.7μF
SWA1
SWB1
D1
130k
C OUT1
10μF
6.04k
M1
V OUT1
12V
0.8A*
Efficiency and Power Loss
(Load Between 12V and –12V Outputs)
215k
100k
V IN1
SHDN1
PG1
LT8582
FBX1
GATE1
V C1
C OUT2
10μF
100
90
80
3.2
2.8
2.4
SYNC1
CLKOUT1
CLKOUT2
SS1
RT1
53.6k
0.1μF
6.49k
4.7nF
47pF
70
60
2.0
1.6
100k
SYNC2
PG2
GND
RT2
53.6k
0.1μF
2.2nF
47pF
50
40
1.2
0.8
215k
SHDN2
SS2
14.7k
30
0.4
V IN2
V C2
GATE2
FBX2
143k
C OUT3
10μF
20
0
0.1
0.2 0.3 0.4
LOAD CURRENT (A)
0.5 0.6
8582 TA02b
0
SWA2
SWB2
L2
4.7μH
C1
2.2μF
L3
4.7μH
V OUT2
–12V
C IN2
4.7μF
C IN1 , C IN2 : 4.7μF, 16V, X7R, 1206
D2
*MAX TOTAL OUTPUT POWER: 14.4W
550mA*
8582 TA02a
C OUT1 , C OUT2 , C OUT3 : 10μF, 25V, X7R, 1206
C1: 2.2μF, 25V, X7R, 1206
D1, D2: DIODES INC. PD3S230H
L1: COILCRAFT XAL6060-472ML
L2, L3: COILCRAFT MSD7342-472
M1: FAIRCHILD FDMC510P
Transient Response with 0.15A to 0.45A to 0.15A
CLKOUT1
5V/DIV
V OUT1
5V/DIV
GATE
5V/DIV
I L1
5A/DIV
Output Short from 12V Output to Ground
V OUT1
500mV/DIV
AC-COUPLED
V OUT2
500mV/DIV
AC-COUPLED
I L1
1A/DIV
I L2 + I L3
1A/DIV
Output Load Step Between Rails
20μs/DIV
8582 TA02c
100μs/DIV
8582 TA02d
8582f
30
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