- 您现在的位置：买卖IC网 > PDF目录14461 > LT1425IS#PBF (Linear Technology)IC REG FLYBK ISOLATED .2A 16SOIC PDF资料下载
参数资料
| 型号： | LT1425IS#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 2/20页 |
| 文件大小： | 0K |
| 描述： | IC REG FLYBK ISOLATED .2A 16SOIC |
| 标准包装： | 50 |
| 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： | 无 |
| 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： | 管件 |
| 供应商设备封装： | 16-SOIC |
| 产品目录页面： | 1327 (CN2011-ZH PDF) |
LT1425
ABSOLUTE M AXI M U M RATINGS
(Note 1)
PACKAGE/ORDER I N FOR M ATIO N
Supply Voltage ........................................................ 20V
Switc h Voltage ......................................................... 35V
SHDN, SYNC Pin Voltage ........................................... 7V
R FB Pin Current....................................................... 2mA
Operating Junction Temperature Range
Commercial .......................................... 0 ° C to 100 ° C
Industrial ......................................... – 40 ° C to 100 ° C
Storage Temperature Range ................. – 65 ° C to 150 ° C
Lead Temperature (Soldering, 10 sec).................. 300 ° C
GND 1
NC 2
R FB 3
V C 4
R REF 5
SYNC 6
SGND 7
GND 8
TOP VIEW
S PACKAGE
16 GND
15 SHDN
14 R OCOMP
13 R CCOMP
12 V IN
11 V SW
10 PGND
9 GND
ORDER PART
NUMBER
LT1425CS
LT1425IS
16-LEAD PLASTIC SO
T JMAX = 145 ° C, θ JA = 75 ° C/ W
Consult factory for Military grade parts.
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
Feedback Amplifier
I REF
Reference Current
Measured at R FB Pin with R REF = 3.000k
q
402
396
408
414
420
μ A
μ A
I IN
R REF Pin Input Current
500
nA
g m
Feedback Amplifier Transconductance
? I C = ± 10 μ A (Note 2)
q
400
1000
1600
μ mho
I SOURCE , I SINK Feedback Amplifier Source or Sink Current
V CL
Feedback Amplifier Clamp Voltage
q
30
50
1.9
80
μ A
V
Reference Voltage/Current Line Regulation
Voltage Gain
V IN Sense Error
5V ≤ V IN ≤ 18V
(Note 3)
q
q
0.01
500
10
0.04
25
%/V
V/V
mV
Output Switch
BV
Output Switch Breakdown Voltage
I C = 5mA
q
35
50
V
V(V SW )
Output Switch ON Voltage
I SW = 1A
q
0.55
0.85
V
I LIM
Switch Current Limit
Duty Cycle = 50%, 0 ° C ≤ T J ≤ 100 ° C
Duty Cycle = 50%, – 40 ° C ≤ T J ≤ 100 ° C
q
q
1.35
1.25
1.60
1.60
1.9
1.9
A
A
Current Amplifier
Duty Cycle = 80%
1.30
A
Control Pin Threshold
Duty Cycle = Minimum
q
0.95
0.85
1.2
1.3
1.4
V
V
Timing
Control Voltage to Switch Transconductance
2
A/V
f
t ON
t ED
t EN
Switching Frequency
Minimum Switch ON Time
Flyback Enable Delay Time
Minimum Flyback Enable Time
q
260
240
170
285
210
150
180
300
320
260
kHz
kHz
ns
ns
ns
Maximum Switch Duty Cycle
q
85
90
95
%
2
相关PDF资料 |
PDF描述 |
|---|---|
| HBM24DSXN | CONN EDGECARD 48POS DIP .156 SLD |
| RBC30DRAH-S734 | CONN EDGECARD 60POS .100 R/A PCB |
| HCM24DSXH | CONN EDGECARD 48POS DIP .156 SLD |
| HBM24DSXH | CONN EDGECARD 48POS DIP .156 SLD |
| HCM24DRXN | CONN EDGECARD 48POS DIP .156 SLD |
相关代理商/技术参数 |
参数描述 |
|---|---|
| LT14-2-FP | 制造商:Thomas & Betts 功能描述:LT14-2 FOOD PROCESSINGOUTLET BOX 制造商:Thomas & Betts 功能描述:Fittings Gang Box 0.75inch Female Aluminum |
| LT1431 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Synchronous Rectifier Driver for Forward Converters |
| LT1431_10 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Programmable Reference |
| LT1431C | 制造商:LINER 制造商全称:Linear Technology 功能描述:Programmable Reference |
| 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 |
发布紧急采购，3分钟左右您将得到回复。