参数资料
型号: LT8582EDKD#PBF
厂商: Linear Technology
文件页数: 3/36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
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
Minimum Input Voltage V IN
V IN Overvoltage Lockout
CONDITIONS
l
MIN
22.2
TYP
2.3
24.5
MAX
2.5
27
UNITS
V
V
Positive Feedback Voltage
Negative Feedback Voltage
l
l
1.185
2
1.204
7
1.220
16
V
mV
Positive FBX Pin Bias Current
Negative FBX Pin Bias Current
V FBX = Positive Feedback Voltage, Current into Pin
V FBX = Negative Feedback Voltage, Current out of Pin
l
l
81
81
83.3
83.3
85
85.5
μA
μA
Error Amp Transconductance
Error Amp Voltage Gain
ΔI = 10μA
280
80
μmhos
V/V
Quiescent Current
Quiescent Current in Shutdown
Reference Line Regulation
V SHDN = 2.5V, Not Switching
V SHDN = 0
2.5V ≤ V IN ≤ 20V
2.1
0
0.01
2.5
1
0.05
mA
μA
%/V
Switching Frequency, f OSC
R T = 31.6kΩ
R T = 407kΩ
l
l
2.125
170
2.5
200
2.875
230
MHz
kHz
Switching Frequency in Foldback
Compared to Normal f OSC
1/6
ratio
Switching Frequency Range
Free-Running or Synchronizing
l
200
2500
kHz
SYNC High Level for Sync
SYNC Low Level for Sync
l
l
1.3
0.4
V
V
SYNC Clock Pulse Duty Cycle
Recommended Min SYNC Ratio f SYNC /f OSC
Minimum Off-Time
Minimum On-Time
V SYNC = 0V to 2V
20
3/4
45
55
80
%
ratio
ns
ns
SWA Current Limit
SWA FAULT Current Limit
Minimum Duty Cycle
Maximum Duty Cycle
Minimum Duty Cycle
Maximum Duty Cycle
l
l
l
l
1.8
1.3
2.2
1.6
2.4
1.8
2.8
2.3
3
2.5
3.5
3.0
A
A
A
A
SW Current Sharing, I SWB /I SWA
SWA and SWB Tied Together
0.79
A/A
SWA + SWB Current Limit
SWA + SWB FAULT Current Limit
Minimum Duty Cycle, I SWB /I SWA = 0.79
Maximum Duty Cycle, I SWB /I SWA = 0.79
Minimum Duty Cycle, I SWB /I SWA = 0.79
Maximum Duty Cycle, I SWB /I SWA = 0.79
l
l
l
l
3.3
2.3
4
2.8
4.3
4.1
5
4
5.4
4.5
6.3
5.4
A
A
A
A
Switch V CESAT
I SWA + I SWB = 2.75A
270
mV
SWA Leakage Current
SWB Leakage Current
V SWA = 5V, V SHDN = 0
V SWB = 5V, V SHDN = 0
0.01
0.01
1
1
μA
μA
SS Charge Current
SS Discharge Current
SS High Detection Voltage
SS Low Detection Voltage
SHDN Minimum Input Voltage High
SHDN Input Voltage Low
V SS = 30mV, Current Flows out of SS Pin
Part in FAULT, V SS = 2.1V, Current Flows into SS Pin
Part in FAULT
Part Exiting FAULT
Active Mode, SHDN Rising
Active Mode, SHDN Falling
Shutdown Mode
l
l
l
l
l
l
l
5.7
5.7
1.65
15
1.26
1.21
8.8
8.8
1.84
55
1.31
1.27
11.7
11.7
2
100
1.4
1.35
0.3
μA
μA
V
mV
V
V
V
8582f
3
相关PDF资料
PDF描述
MAX6423XS28+T IC MPU/RESET CIRC 2.80V SC70-4
LTC3413EFE#PBF IC REG BUCK SYNC ADJ 3A 16TSSOP
LT1372HVCS8#PBF IC REG MULTI CONFIG ADJ 8SOIC
RBM12DRMD-S664 CONN EDGECARD 24POS .156 WW
PM1812-R15K INDUCTOR .15UH 10% 1812 SMD
相关代理商/技术参数
参数描述
LT8582IDKD#PBF 功能描述:IC REG MULTI CONFIG ADJ 3A 24DFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 标准包装:250 系列:- 类型:降压(降压) 输出类型:固定 输出数:1 输出电压:1.2V 输入电压:2.05 V ~ 6 V PWM 型:电压模式 频率 - 开关:2MHz 电流 - 输出:500mA 同步整流器:是 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:6-UFDFN 包装:带卷 (TR) 供应商设备封装:6-SON(1.45x1) 产品目录页面:1032 (CN2011-ZH PDF) 其它名称:296-25628-2
LT8582IDKD#PBF 制造商:Linear Technology 功能描述:DC/DC CONVRTER BOOST INVERTING SEPIC
LT8582IDKD#TRPBF 功能描述:IC REG MULTI CONFIG ADJ 3A 24DFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 设计资源:Design Support Tool 标准包装:1 系列:- 类型:升压(升压) 输出类型:固定 输出数:1 输出电压:3V 输入电压:0.75 V ~ 2 V PWM 型:- 频率 - 开关:- 电流 - 输出:100mA 同步整流器:是 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:SOT-23-5 细型,TSOT-23-5 包装:剪切带 (CT) 供应商设备封装:TSOT-23-5 其它名称:AS1323-BTTT-30CT
LT8584IFE#PBF 制造商:Linear Technology 功能描述:IC BATT CELL BALANCE 16TSSOP 制造商:Linear Technology 功能描述:BATTERY BALANCER, 2.5V-5.3V, TSSOP-16, Supply Voltage Min:2.5V, Supply Voltage M
LT8610 制造商:LINER 制造商全称:Linear Technology 功能描述:42V, 2.5A Synchronous Step-Down Regulator