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參數(shù)資料
| 型號(hào)： | LT3507HUHF#TRPBF |
| 廠商： | Linear Technology |
| 文件頁(yè)數(shù)： | 4/28頁(yè) |
| 文件大小： | 302K |
| 描述： | IC REG QD BUCK/LINEAR 38-QFN |
| 產(chǎn)品培訓(xùn)模塊： | More Information on LDOs |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 拓?fù)洌?/td> | 降壓（降壓）（1），線性（LDO）（1） |
| 功能： | 任何功能 |
| 輸出數(shù)： | 4 |
| 頻率 - 開關(guān)： | 900kHz ~ 1.1MHz |
| 電壓/電流 - 輸出 1： | 0.8 V ~ 32.4 V，2.4A |
| 電壓/電流 - 輸出 2： | 0.8 V ~ 32.4 V，1.5A |
| 電壓/電流 - 輸出 3： | 0.8 V ~ 32.4 V，1.5A |
| 帶 LED 驅(qū)動(dòng)器： | 無 |
| 帶監(jiān)控器： | 無 |
| 帶序列發(fā)生器： | 是 |
| 電源電壓： | 4 V ~ 36 V |
| 工作溫度： | -40°C ~ 150°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 38-WFQFN 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 38-QFN（5x7） |
| 包裝： | 帶卷 (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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| LT3507IUHF#PBF | 功能描述:IC REG QD BUCK/LINEAR 38-QFN RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 + 切換式 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 拓?fù)?降壓（降壓）同步（3），線性（LDO）（2） 功能:任何功能 輸出數(shù):5 頻率 - 開關(guān):300kHz 電壓/電流 - 輸出 1:控制器 電壓/電流 - 輸出 2:控制器 電壓/電流 - 輸出 3:控制器 帶 LED 驅(qū)動(dòng)器:無 帶監(jiān)控器:無 帶序列發(fā)生器:是 電源電壓:5.6 V ~ 24 V 工作溫度:-40°C ~ 85°C 安裝類型:* 封裝/外殼:* 供應(yīng)商設(shè)備封裝:* 包裝:* |
| LT3507IUHF#TRPBF | 功能描述:IC REG QD BUCK/LINEAR 38-QFN RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 + 切換式 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 拓?fù)?降壓（降壓）同步（3），線性（LDO）（2） 功能:任何功能 輸出數(shù):5 頻率 - 開關(guān):300kHz 電壓/電流 - 輸出 1:控制器 電壓/電流 - 輸出 2:控制器 電壓/電流 - 輸出 3:控制器 帶 LED 驅(qū)動(dòng)器:無 帶監(jiān)控器:無 帶序列發(fā)生器:是 電源電壓:5.6 V ~ 24 V 工作溫度:-40°C ~ 85°C 安裝類型:* 封裝/外殼:* 供應(yīng)商設(shè)備封裝:* 包裝:* |
| LT3507IUHFPBF | 制造商:Linear Technology 功能描述:Triple Voltage Regulator QFN38EP |
| LT3507IUHF-PBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Triple Monolithic Step-Down Regulator with LDO |
| LT3507IUHF-TRPBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Triple Monolithic Step-Down Regulator with LDO |
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