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参数资料
| 型号： | LT3800EFE#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 4/24页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR INV PWM CM 16-TSSOP |
| 标准包装： | 95 |
| PWM 型： | 电流模式 |
| 输出数： | 1 |
| 频率 - 最大： | 220kHz |
| 占空比： | 95% |
| 电源电压： | 4 V ~ 60 V |
| 降压： | 是 |
| 升压： | 无 |
| 回扫： | 无 |
| 反相： | 是 |
| 倍增器： | 无 |
| 除法器： | 无 |
| Cuk： | 无 |
| 隔离： | 无 |
| 工作温度： | -40°C ~ 125°C |
| 封装/外壳： | 16-TSSOP（0.173"，4.40mm）裸露焊盘 |
| 包装： | 管件 |
LT3800
ELECTRICAL CHARACTERISTICS
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: 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 above the speci?ed maximum operating junction
temperature may impair device reliability.
Note 3: The LT3800E is guaranteed to meet performance speci?cations
from 0°C to 125°C junction temperature. Speci?cations over the –40°C
to 125°C operating junction temperature range are assured by design,
characterization and correlation with statistical process controls. The
LT3800I is guaranteed over the full –40°C to 125°C operating junction
temperature range.
Note 4: V IN voltages below the start-up threshold (7.5V) are only
supported when V CC is externally driven above 6.5V.
Note 5: Operating range dictated by MOSFET absolute maximum gate-
source voltage ratings.
Note 6: Supply current speci?cation does not include switch drive
currents. Actual supply currents will be higher.
Note 7: DC measurement of gate drive output “ON” voltage is typically
8.6V. Internal dynamic bootstrap operation yields typical gate “ON”
voltages of 9.8V during standard switching operation. Standard operation
gate “ON” voltage is not tested but guaranteed by design.
TYPICAL PERFORMANCE CHARACTERISTICS
Shutdown Threshold (Rising)
Shutdown Threshold (Falling)
1.37
1.36
1.35
1.34
vs Temperature
1.240
1.235
1.230
1.225
vs Temperature
8.1
8.0
7.9
V CC vs Temperature
I CC = 0mA
I CC = 20mA
1.33
–50
–25
0
25
50
75
100
125
1.220
–50
–25
0
25
50
75
100
125
7.8
–50
–25
0
25
50
75
100
125
TEMPERATURE (°C)
V CC vs I CC(LOAD)
3800 G01
TEMPERATURE (°C)
V CC vs V IN
3800 G02
TEMPERATURE (°C)
3800 G03
I CC Current Limit vs Temperature
8.05
T A = 25°C
8
I CC = 20mA
T A = 25°C
200
7
175
8.00
150
6
7.95
5
125
100
7.90
4
75
7.85
0
5
10
15
20
25
30
35
40
3
4
5
6
7
8
9
10
11
12
50
–50
–25
0
25
50
75
100
125
I CC(LOAD) (mA)
3800 G04
V IN (V)
3800 G05
TEMPERATURE (°C)
3800 G06
3800fc
4
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LT3800EFE-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:High-Voltage Synchronous Current Mode Step-Down Controller |
| LT3800IFE | 制造商:Linear Technology 功能描述:Conv DC-DC Single Step Down 4V to 60V 16-Pin TSSOP EP |
| LT3800IFE#PBF | 功能描述:IC REG CTRLR INV PWM CM 16-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 |
| LT3800IFE#PBF | 制造商:Linear Technology 功能描述:IC SYNC STEP-DOWN REGULATOR CTRL 16-TSSO |
| LT3800IFE#TR | 制造商:Linear Technology 功能描述:Conv DC-DC Single Step Down 4V to 60V 16-Pin TSSOP EP T/R |
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