参数资料
型号: LT8582IDKD#PBF
厂商: Linear Technology
文件页数: 31/36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
VFD (Vacuum Fluorescent Display) and Filament Power Supply Switches at 1MHz
D6
V OUT1
D5
C6
2.2μF
100V
80mA*
C4
2.2μF
D4
V OUT2
D3
C5
2.2μF
66V
120mA*
C3
2.2μF
C IN1 , C IN2 : 4.7μF, 25V, X7R, 1206
V IN
9V TO 16V
L1
22μH
C IN1
4.7μF
D2
D8**
D1
C1
2.2μF
D7**
M1**
8.06k**
C1 TO C6: 2.2μF, 50V, X7R, 1206
C7: 2.2μF, 25V, X7R, 0805
C8: 10μF, 25V, X7R, 1210
D1 TO D6: CENTRAL SEMI CMMSH2-40
D7: CENTRAL SEMI CMHZ5240B
D8: CENTRAL SEMI CTLSH5-40M833
D9: CENTRAL SEMI CTLSH2-40M832
576k
SWA1 SWB1
SHDN1 GATE1
V IN1 FBX1
383k
L1: WüRTH 744771122
L2, L3: WüRTH 744870100
M1: VISHAY SI7611DN
100k
PG1
LT8582
V C1
C2
2.2μF
SYNC1
CLKOUT1
CLKOUT2
SS1
RT1
80.6k
2.2μF
21k
1.5nF
47pF
*CHANNEL 1 MAX OUTPUT POWER 8W
**OPTIONAL FOR OUTPUT SHORT PROTECTION
GND
100k
SYNC2
PG2
RT2
80.6k
2.2μF
1.5nF
47pF
576k
SHDN2
V IN2
SS2
V C2
GATE2
113k
11.8k
C8
10μF
×2
FBX2
L2
10μH
SWA2
SWB2
C7
2.2μF
D9
V OUT3
10.5V
C IN2
0.85A
4.7μF
Efficiency and Power Loss
(V IN = 12V with Load on 100V Output)
L3
10μH
8582 TA03a
Efficiency and Power Loss
(V IN = 12V with Load on 10.5V Output)
90
80
70
60
2.0
1.6
1.2
0.8
100
90
80
70
60
50
40
30
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
50
0
2
4
6
8
10
0.4
20
0
0.2
0.4
0.6
0.8
1
0
OUTPUT POWER (W)
8582 TA03b
LOAD CURRENT (A)
8582 TA03c
8582f
31
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