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参数资料
| 型号： | LT8582IDKD#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 4/36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： | 无 |
| 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） |
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LT8582
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T A = 25°C. V IN = 5V, V SHDN = V IN , unless otherwise noted (Note 2). Specifications
are identical for both channels unless noted otherwise.
PARAMETER
SHDN Pin Bias Current
CLKOUT Output Voltage High
CLKOUT Output Voltage Low
CLKOUT1 Duty Cycle
CLKOUT2 Duty Cycle
CONDITIONS
V SHDN = 3V
V SHDN = 1.3V
V SHDN = 0V
1mA out of CLKOUT Pin
1mA into CLKOUT Pin
All T J
T J = –40°C
MIN
10.1
1.9
TYP
45
12.1
0
2.1
30
50
22.5
MAX
65
14.1
0.1
2.3
200
UNITS
μA
μA
μA
V
mV
%
%
T J = 25°C
T J = 125°C
42
72
%
%
CLKOUT Rise Time
CLKOUT Fall Time
C CLKOUT = 120pF
C CLKOUT = 120pF
25
15
ns
ns
GATE Pull-Down Current
GATE Leakage Current
PG Threshold for Positive Feedback Voltage
V GATE = 3V
V GATE = 20V
V GATE = 50V, GATE Off
V FBX Rising
l
l
0.8
0.8
1.09
1
1
0.01
1.15
1.2
1.2
1
1.20
mA
mA
μA
V
PG Threshold for Negative Feedback Voltage V FBX Falling
PG Hysteresis for Feedback Voltage
20
65
4
120
mV
mV
PG Output Voltage Low
PG Leakage Current
100μA into PG Pin, V FBX = 1V
V PG = 40V, V FBX = 1.204V
l
70
0.01
150
1
mV
μA
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: The LT8582E is guaranteed to meet performance specifications
from 0°C to 125°C junction temperature. Specifications over the
–40°C to 125°C operating temperature range are assured by design,
characterization and correlation with statistical process controls. The
Note 3: Current limit guaranteed by design and/or correlation to static test.
Note 4: This IC includes overtemperature protection that is intended
to protect the device during momentary overload conditions. Junction
temperature will exceed 125°C when overtemperature protection is active.
Continuous operation over the specified maximum operating junction
temperature may impair device reliability.
Note 5: Do not apply a positive or negative voltage or current source to
CLKOUT, otherwise permanent damage may occur.
LT8582I is guaranteed over the full –40°C to 125°C operating junction
temperature range.
8582f
4
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