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| 型号： | LT3507IUHF#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 4/28页 |
| 文件大小： | 302K |
| 描述： | IC REG QD BUCK/LINEAR 38-QFN |
| 产品培训模块： | More Information on LDOs |
| 标准包装： | 2,500 |
| 拓扑： | 降压（降压）（1），线性（LDO）（1） |
| 功能： | 任何功能 |
| 输出数： | 4 |
| 频率 - 开关： | 900kHz ~ 1.1MHz |
| 电压/电流 - 输出 1： | 0.8 V ~ 32.4 V，2.4A |
| 电压/电流 - 输出 2： | 0.8 V ~ 32.4 V，1.5A |
| 电压/电流 - 输出 3： | 0.8 V ~ 32.4 V，1.5A |
| 带 LED 驱动器： | 无 |
| 带监控器： | 无 |
| 带序列发生器： | 是 |
| 电源电压： | 4 V ~ 36 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 38-WFQFN 裸露焊盘 |
| 供应商设备封装： | 38-QFN（5x7） |
| 包装： | 带卷 (TR) |
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LT3507
4
3507fa
ELECTRICAL CHARACTERISTICS
The l denotes the speci cations which apply over the full operating
temperature range, otherwise speci cations are at T
A
= 25癈. V
IN1
, V
IN2
, V
IN3
= 12V, V
BOOST1
, V
BOOST2
, V
BOOST3
= 17V, unless
otherwise noted (Note 2)
PARAMETER
CONDITIONS
MIN TYP MAX UNITS
Load Regulation
I
DRIVE
from 0.1mA to 10mA
0.005
%/mA
DRIVE Output Current Limit
l
10 15 22.5 mA
Dropout Voltage, V
IN1
to DRIVE
I
DRIVE
= 10mA
1.7 2.0
V
Dropout Voltage, BIAS to DRIVE
I
DRIVE
= 10mA
0.5 0.8
V
Over/Undervoltage Lockout
Undervoltage Lockout Threshold
1.15 1.20 1.25
V
Overvoltage Lockout Threhold
1.15 1.20 1.25
V
Undervoltage Lockout Hysteresis Current
V(UVLO) < 1.2V
7 10 13
糀
Overvoltage Lockout Hysteresis Current
V(OVLO) > 1.2V
7 10 13
糀
Input Bias Current (OVLO and UVLO)
100 200
nA
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 LT3507E is guaranteed to meet performance speci cations
from 0癈 to 125癈 junction temperature. Speci cations over the 40癈
to 125癈 operating junction temperature range are assured by design,
characterization and correlation with statistical process controls. The
LT3507I is guaranteed to meet performance speci cations from 40癈
to 125癈 junction temperature. The LT3507H is guaranteed over the full
40癈 to 150癈 operating junction temperature range. High junction
temperatures degrade operating lifetimes. Operating lifetime is derated at
junction temperatures greater than 125癈.
Note 3: Current limit is guaranteed by design and/or correlation to static
test. Slope compensation reduces current limit at higher duty cycles.
Note 4: This is the minimum voltage across the boost capacitor needed to
guarantee full saturation of the internal power switch.
Note 5: This IC includes overtemperature protection that is intended
to protect the device during momentary overload conditions.
Junction temperature will exceed the maximum operating range when
overtemperature protection is active. Continuous operation above the
speci ed maximum operating junction temperature may impair device
reliability.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LT3508 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual Monolithic 1.4A Step-Down Switching Regulator |
| LT3508EFE#PBF | 功能描述:IC REG BUCK ADJ 1.4A DL 16TSSOP 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:250 系列:- 类型:降压（降压） 输出类型:固定 输出数:1 输出电压:1.2V 输入电压:2.05 V ~ 6 V PWM 型:电压模式 频率 - 开关:2MHz 电流 - 输出:500mA 同步整流器:是 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:6-UFDFN 包装:带卷 (TR) 供应商设备封装:6-SON（1.45x1） 产品目录页面:1032 (CN2011-ZH PDF) 其它名称:296-25628-2 |
| LT3508EFE#TRPBF | 功能描述:IC REG BUCK ADJ 1.4A DL 16TSSOP 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 |
| LT3508EFEPBF | 制造商:Linear Technology 功能描述:Dual 1.4A Step-Down Regulator LT3508 |
| LT3508EFE-PBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual Monolithic 1.4A Step-Down Switching Regulator |
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