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| 型号： | LT3510EFE#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 4/30页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK ADJ 2A DL 20TSSOP |
| 标准包装： | 74 |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 2 |
| 输出电压： | 0.8 V ~ 23.8 V |
| 输入电压： | 3.1 V ~ 25 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 250kHz ~ 1.5MHz |
| 电流 - 输出： | 2A |
| 同步整流器： | 无 |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-TSSOP（0.173"，4.40mm 宽）裸露焊盘 |
| 包装： | 管件 |
| 供应商设备封装： | 20-TSSOP-EP |
| 产品目录页面： | 1332 (CN2011-ZH PDF) |
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LT3510
ELECTRICAL CHARACTERISTICS
LT3510IFE is guaranteed and tested over the full –40°C to 125°C operating
junction temperature range.
Note 3: Minimum input voltage is de?ned as the voltage where internal
bias lines are regulated so that the reference voltage and oscillator remain
constant. Actual minimum input voltage to maintain a regulated output
will depend upon output voltage and load current. See Applications
Information.
Note 4: An internal power-on reset (POR) latch is set on the positive
transition of the SHDN pin through its threshold. The output of the latch
activates current sources on each SS pin which typically sink 1.5mA,
discharging the SS capacitor. The latch is reset when both SS pins are
driven below the soft-start POR threshold or the SHDN pin is taken below
its threshold.
Note 5: To enhance dropout operation, the output switch will be turned off
for the minimum off time only when the voltage across the boost capacitor
drops below the minimum boost for 100% duty cycle threshold.
Note 6: The IND to V OUT maximum current is de?ned as the value of
current ?owing from the IND pin to the V OUT pin which resets the switch
latch when the V C pin is at its high clamp.
Note 7: This is the minimum voltage across the boost capacitor needed to
guarantee full saturation of the internal power switch.
Note 8: 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.
TYPICAL PERFORMANCE CHARACTERISTICS
Shutdown Threshold and Minimum
0.816
Feedback Voltage vs Temperature
1.05
R T /SYNC Voltage vs Temperature
3.0
Input Voltage vs Temperature
0.811
0.806
0.801
1.03
1.01
2.5
2.0
1.5
MINIMUM INPUT
VOLTAGE
SHUTDOWN
THRESHOLD
VOLTAGE
0.99
0.796
1.0
0.791
0.97
0.5
0.786
–50 –25
0
25
50
75
100
125
0.95
–50
–25
0
25
50
75
100
125
0
–50 –25
0
25
50
75
100
125
16
14
TEMPERATURE (°C)
Shutdown Quiescent Current
vs Temperature
3510 G02
4.0
3.8
TEMPERATURE (°C)
Soft-Start Source Current
vs Temperature
3510 G03
4.0
3.8
TEMPERATURE (°C)
3510 G04
IND to V OUT Maximum Current vs
Temperature
12
10
V VIN1
3.6
3.4
3.2
3.6
3.4
3.2
8
6
4
3.0
2.8
2.6
2.4
3.0
2.8
2.6
2.4
V OUT = 5V
V OUT = 0V
2
V VIN2
2.2
2.2
0
–50 –25
0
25
50
75
100
125
2.0
–50
–25
0
25
50
75
100
125
2.0
–50 –30 –10 10
30
50
70
90 110
TEMPERATURE (°C)
3510 G05
TEMPERATURE (°C)
3510 G07
TEMPERATURE (°C)
3510 G30
3510fe
4
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LT3510EFE-TR | 制造商:LINER 制造商全称:Linear Technology 功能描述:Monolithic Dual Tracking 2A Step-Down Switching Regulator |
| LT3510EFE-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Monolithic Dual Tracking 2A Step-Down Switching Regulator |
| LT3510FE | 制造商:LINER 制造商全称:Linear Technology 功能描述:Monolithic Dual Tracking 2A Step-Down Switching Regulator |
| LT3510IFE | 制造商:Linear Technology 功能描述:Conv DC-DC Dual Step Down 3.1V to 25V 20-Pin TSSOP EP |
| LT3510IFE#PBF | 功能描述:IC REG BUCK ADJ 2A DL 20TSSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 产品培训模块:MIC23xxx HyperLight Load™ Regulators 标准包装:5,000 系列:HyperLight Load® 类型:降压（降压） 输出类型:固定 输出数:1 输出电压:1.8V 输入电压:2.7 V ~ 5.5 V PWM 型:混合物 频率 - 开关:4MHz 电流 - 输出:2A 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:8-VFDFN 裸露焊盘，8-MLF? 包装:带卷 (TR) 供应商设备封装:8-MLF?（2x2） 产品目录页面:1094 (CN2011-ZH PDF) 其它名称:576-3303-2 |
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