参数资料
型号: LT1425IS#TRPBF
厂商: Linear Technology
文件页数: 3/20页
文件大小: 0K
描述: IC REG FLYBK ISOLATED .2A 16SOIC
标准包装: 2,500
类型: 回扫,隔离
输出数: 1
输入电压: 2.8 V ~ 20 V
PWM 型: 电流模式
频率 - 开关: 285kHz
电流 - 输出: 200mA
同步整流器:
工作温度: -40°C ~ 100°C
安装类型: 表面贴装
封装/外壳: 16-SOIC(0.154",3.90mm 宽)
包装: 带卷 (TR)
供应商设备封装: 16-SOIC
LT1425
ELECTRICAL CHARACTERISTICS
V IN = 5V, T J = 25 ° C, V SW Open, V C = 1.4V, unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Load Compensation
SYNC Function
? V RCCOMP / ? I SW
0.45
?
Minimum SYNC Amplitude
Synchronization Range
SYNC Pin Input Resistance
q
320
1.5
40
2.2
450
V
kHz
k ?
Power Supply
V IN(MIN)
I CC
Minimum Input Voltage
Supply Current
Shutdown Mode Supply Current
q
q
q
2.8
7.0
15
3.1
9.5
40
V
mA
μ A
Shutdown Mode Threshold
q
0.4
0.9
1.3
V
The q denotes the specifications which apply over the full operating
temperature range.
Note 2: Feedback amplifier transconductance is R REF referred.
Note 3: Voltage gain is R REF referred.
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
TYPICAL PERFOR M A N CE CHARACTERISTICS
1.2
1.0
0.8
Switch Saturation Voltage vs
Switch Current
125 ° C
2.0
1.5
Switch Current Limit vs
Duty Cycle
T A = 25 ° C
3.1
3.0
2.9
Minimum Input Voltage vs
Temperature
0.6
25 ° C
1.0
2.8
0.4
0.2
–55 ° C
0.5
2.7
2.6
2.5
0
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
0
0
10 20 30 40 50 60 70 80 90 100
2.4
–50 –25
0
25
50
75
100
125
SWITCH CURRENT (A)
1425 G01
DUTY CYCLE (%)
1425 G02
TEMPERATURE ( ° C)
1425 G03
3
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LT1431CN8 功能描述:IC VREF SHUNT ADJ 8-PDIP RoHS:否 类别:集成电路 (IC) >> PMIC - 电压基准 系列:- 产品培训模块:Voltage Reference Basics 标准包装:100 系列:- 基准类型:旁路,精度 输出电压:4.096V 容差:±0.075% 温度系数:50ppm/°C 输入电压:- 通道数:1 电流 - 阴极:1µA 电流 - 静态:- 电流 - 输出:10mA 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:8-SOIC(0.154",3.90mm 宽) 供应商设备封装:8-SOIC 包装:管件