参数资料
型号: LT8582IDKD#TRPBF
厂商: Linear Technology
文件页数: 6/36页
文件大小: 0K
描述: IC REG MULTI CONFIG ADJ 3A 24DFN
标准包装: 2,500
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: 带卷 (TR)
供应商设备封装: 24-DFN(7x4)
LT8582
TYPICAL PERFORMANCE CHARACTERISTICS
T A = 25°C, unless otherwise noted.
1000
900
800
Gate Pin Current (V GATE = 5V)
1.220
1.215
Positive Feedback Voltage
1.40
1.38
1.36
Active/Lockout Threshold
700
600
500
400
300
200
100
0
1.210
1.205
1.200
1.195
1.190
1.34
1.32
1.30
1.28
1.26
1.24
1.22
1.20
SHDN RISING
SHDN FALLING
0
0.25
0.5
0.75 1
1.25
1.5
–50 –25
0
25 50 75 100 125 150
–50 –25
0
25 50 75 100 125 150
30
SS VOLTAGE (V)
SHDN Pin Current
T A = –40°C
8582 G10
300
TEMPERATURE (°C)
SHDN Pin Current
T A = –40°C
8582 G11
2.50
TEMPERATURE (°C)
Internal UVLO
8582 G12
25
T A = 25°C
T A = 125°C
250
T A = 25°C
T A = 125°C
2.45
2.40
20
15
10
5
0
200
150
100
50
0
2.35
2.30
2.25
2.20
2.15
2.10
0
0.25 0.50 0.75 1
1.25 1.50 1.75
2
0
5
10
15 20
25 30
35
40
–50 –25
0
25 50
75 100 125 150
40
35
SHDN VOLTAGE (V)
8582 G13
CLKOUT Rise and Fall Times at
1MHz
28
27
26
SHDN VOLTAGE (V)
V IN Overvoltage Lockout
8582 G14
1.50
1.25
TEMPERATURE (°C)
PG Threshold
8582 G15
30
25
20
15
10
5
RISE TIME
FALL TIME
25
24
23
22
21
20
19
1.00
0.75
0.50
0.25
0
0
25 50
75 100
125
150
18
–50 –25
0
25
50
75
100 125 150
0
–50 –25
0
25
50
75
100 125 150
CLKOUT CAPACITIVE LOAD (pF)
8582 G16
TEMPERATURE (°C)
8582 G17
TEMPERATURE (°C)
8582 G18
8582f
6
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