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参数资料
| 型号： | LT3502AIDC#PBF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 稳压器 |
| 英文描述： | 1.1 A SWITCHING REGULATOR, 2800 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封装： | 2 X 2 MM, LEAD FREE, PLASTIC, DFN-8 |
| 文件页数： | 18/24页 |
| 文件大小： | 386K |
| 代理商： | LT3502AIDC#PBF |
LT3502/LT3502A
3
3502fd
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 LT3502EDC and LT3502AEDC are guaranteed to meet
performance specications from 0°C to 125°C junction temperature
range. Specications over the – 40°C to 125°C operating junction
temperature range are assured by design, characterization and correlation
ELECTRICAL CHARACTERISTICS The denotes the specications which apply over the full operating
temperature range, otherwise specications are at TA = 25°C. VIN = 10V, VSHDN = 5V, VBOOST = 15V.
with statistical process controls. The LT3502IDC and LT3502AIDC are
guaranteed over the – 40°C to 125°C operating junction 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 into pin.
Note 5: Current ows out of pin.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Undervoltage Lockout
2.6
2.8
3
V
Quiescent Current at Shutdown
VSHDN = 0V
0.5
2
μA
Quiescent Current
Not Switching
1.5
2
mA
Feedback Voltage
2mm
× 2mm DFN
2mm
× 2mm DFN
MS10
l
0.785
0.79
0.780
0.786
0.8
0.813
0.81
0.816
0.813
V
Reference Voltage Line Regulation
0.005
%/V
FB Pin Bias Current
(Note 5)
l
15
50
nA
Switching Frequency
IDA < 500mA (LT3502A)
IDA < 500mA (LT3502)
l
1.9
1.8
0.9
0.8
2.25
1.1
2.7
2.8
1.3
1.4
MHz
Maximum Duty Cycle
100mA Load (LT3502A)
100mA Load (LT3502)
70
80
90
%
Switch VCESAT
ISW = 500mA
450
mV
Switch Current Limit
(Note 3)
0.75
0.9
1.1
A
Switch Active Current
SW = 10V (Note 4)
SW = 0V (Note 5)
95
8
130
30
μA
BOOST Pin Current
ISW = 500mA
10
13
mA
Minimum BOOST Voltage Above Switch
ISW = 500mA
1.9
2.2
V
BOOST Schottky Forward Drop
IOUT = 100mA
0.8
1
V
DA Pin Current to Stop OSC
500
650
mA
SHDN Bias Current
VSHDN = 5V
VSHDN = 0V
55
80
1
μA
SHDN Input Voltage High
2V
SHDN Input Voltage Low
0.3
V
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相关代理商/技术参数 |
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| LT3502AIMS#PBF | 功能描述:IC REG BUCK ADJ 0.5A 10MSOP 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:降压（降压） 输出类型:固定 输出数:1 输出电压:1.2V，1.5V，1.8V，2.5V 输入电压:2.7 V ~ 20 V PWM 型:- 频率 - 开关:- 电流 - 输出:50mA 同步整流器:是 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:10-TFSOP，10-MSOP（0.118"，3.00mm 宽）裸露焊盘 包装:带卷 (TR) 供应商设备封装:10-MSOP 裸露焊盘 |
| LT3502AIMS#TRPBF | 功能描述:IC REG BUCK ADJ 0.5A 10MSOP 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:降压（降压） 输出类型:固定 输出数:1 输出电压:1.2V，1.5V，1.8V，2.5V 输入电压:2.7 V ~ 20 V PWM 型:- 频率 - 开关:- 电流 - 输出:50mA 同步整流器:是 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:10-TFSOP，10-MSOP（0.118"，3.00mm 宽）裸露焊盘 包装:带卷 (TR) 供应商设备封装:10-MSOP 裸露焊盘 |
| LT3502AIMS-PBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:1.1MHz/2.2MHz, 500mA Step-Down Regulators in 2mm × 2mm DFN and MS10 |
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