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参数资料
| 型号： | LT1933IS6#PBF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 稳压器 |
| 英文描述： | 1.05 A SWITCHING REGULATOR, 600 kHz SWITCHING FREQ-MAX, PDSO6 |
| 封装： | 1 MM HEIGHT, LEAD FREE, PLASTIC, EIAJ, SC-74A, TSOT-23, 6 PIN |
| 文件页数： | 14/20页 |
| 文件大小： | 357K |
| 代理商： | LT1933IS6#PBF |
LT1933
3
1933fe
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: The LT1933E is guaranteed to meet performance specications
from 0°C to 70°C. Specications over the –40°C to 85°C operating
temperature range are assured by design, characterization and correlation
with statistical process controls. The LT1933I specications are
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Undervoltage Lockout
3.35
3.6
V
Feedback Voltage
l
1.225
1.245
1.265
V
FB Pin Bias Current
VFB = Measured VREF + 10mV (Note 4)
l
40
120
nA
Quiescent Current
Not Switching
1.6
2.5
mA
Quiescent Current in Shutdown
VSHDN = 0V
0.01
2
μA
Reference Line Regulation
VIN = 5V to 36V
0.01
%/V
Switching Frequency
VFB = 1.1V
400
500
600
kHz
VFB = 0V
55
kHz
Maximum Duty Cycle
l
88
94
%
Switch Current Limit
(Note 3)
0.75
1.05
A
Switch VCESAT
ISW = 400mA, S6 Package
ISW = 400mA, DCB6 Package
370
500
mV
Switch Leakage Current
2μA
Minimum Boost Voltage Above Switch
ISW = 400mA
1.9
2.3
V
BOOST Pin Current
ISW = 400mA
18
25
mA
SHDN Input Voltage High
2.3
V
SHDN Input Voltage Low
0.3
V
SHDN Bias Current
VSHDN = 2.3V (Note 5)
VSHDN = 0V
34
0.01
50
0.1
μA
The
l denotes the specications which apply over the full operating
temperature range, otherwise specications are at TA = 25°C. VIN = 12V, VBOOST = 17V, unless otherwise noted. (Note 2)
guaranteed over the –40°C to 125°C temperature range. The LT1933H
specications are guaranteed over the –40°C to 150°C temperature range.
Note 3: Current limit guaranteed by design and/or correlation to static test.
Slope compensation reduces current limit at higher duty cycle.
Note 4: Current ows out of pin.
Note 5: Current ows into pin.
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相关代理商/技术参数 |
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|---|---|
| LT1933IS6-TR | 制造商:LINER 制造商全称:Linear Technology 功能描述:600mA, 500kHz Step-Down Switching Regulator in SOT-23 and DFN Packages |
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| LT1934EDCB#TRMPBF | 功能描述:IC REG BUCK ADJ 0.3A 6DFN 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:2,500 系列:- 类型:升压（升压） 输出类型:可调式 输出数:1 输出电压:1.24 V ~ 30 V 输入电压:1.5 V ~ 12 V PWM 型:电流模式，混合 频率 - 开关:600kHz 电流 - 输出:500mA 同步整流器:无 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-SOIC（0.154"，3.90mm 宽） 包装:带卷 (TR) 供应商设备封装:8-SOIC |
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