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参数资料
| 型号： | LT3781IG#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 4/20页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR ISO PWM CM 20-SSOP |
| 标准包装： | 1,800 |
| PWM 型： | 电流模式 |
| 输出数： | 2 |
| 频率 - 最大： | 700kHz |
| 占空比： | 100% |
| 电源电压： | 8 V ~ 72 V |
| 降压： | 无 |
| 升压： | 无 |
| 回扫： | 无 |
| 反相： | 无 |
| 倍增器： | 无 |
| 除法器： | 无 |
| Cuk： | 无 |
| 隔离： | 是 |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 20-SSOP（0.209"，5.30mm 宽） |
| 包装： | 带卷 (TR) |
LT3781
ELECTRICAL CHARACTERISTICS
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2: Supply current specification does not include external FET gate
charge currents. Actual supply currents will be higher and vary with
operating frequency, operating voltages, and the type of external switch
elements used. See Applications Information.
Note 4: The LT3781E is guaranteed to meet performance specifications
from 0 ° C to 70 ° C. Specifications over the –40 ° C to 85 ° C operating
ambient temperature range are assured by design, characterization and
correlation with statistical process controls. For guaranteed performance
to specifications over the –40 ° C to 85 ° C operating ambient temperature
range, the LT3781I is available.
Note 3: Guaranteed but not tested.
TYPICAL PERFOR A CE CHARACTERISTICS
Shutdown Mode: V CC vs I CC
Shutdown Mode: V CC vs
Temperature (I CC = 1mA)
18.4
18.2
18.0
17.8
T A = 25°C
18.20
18.15
18.10
18.05
17.6
100 μ
300 μ
1m
3m
10m
18.00
–55 –40
0
40
80
125
I CC (A)
I CC Supply Current
vs Temperature
3781 ? G01a
TEMPERATURE ( ° C)
I CC Supply Current
vs V CC Supply Voltage
3781 ? G01b
20
V CC = 12V
18
T A = 25 ° C
19
17
18
17
16
16
15
–55 –40
0
40
80
125
15
9
10
12
14
16
18
TEMPERATURE ( ° C)
3781 G01
SUPPLY VOLTAGE (V)
3781 G03
3781f
4
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LT3782 | 制造商:LINER 制造商全称:Linear Technology 功能描述:2-Phase Step-Up DC/DC Controller |
| LT3782A | 制造商:LINER 制造商全称:Linear Technology 功能描述:2-Phase Step-Up DC/DC Controller |
| LT3782AEFE | 制造商:LINER 制造商全称:Linear Technology 功能描述:2-Phase Step-Up DC/DC Controller |
| LT3782AEFE#PBF | 功能描述:IC REG CTRLR BST PWM CM 28-TSSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 特色产品:LM3753/54 Scalable 2-Phase Synchronous Buck Controllers 标准包装:1 系列:PowerWise® PWM 型:电压模式 输出数:1 频率 - 最大:1MHz 占空比:81% 电源电压:4.5 V ~ 18 V 降压:是 升压:无 回扫:无 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:-5°C ~ 125°C 封装/外壳:32-WFQFN 裸露焊盘 包装:Digi-Reel® 产品目录页面:1303 (CN2011-ZH PDF) 其它名称:LM3754SQDKR |
| LT3782AEFE#PBF | 制造商:Linear Technology 功能描述:Switch Regulator IC |
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