參數(shù)資料
型號: LT3470HTS8#TR
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: SWITCHING REGULATOR, PDSO8
封裝: 1 MM HEIGHT, PLASTIC, MO-193, SOT-23, 8 PIN
文件頁數(shù): 14/20頁
文件大?。?/td> 256K
代理商: LT3470HTS8#TR
3
LT3470
3470fc
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 LT3470E is guaranteed to meet performance specifications
from 0
°C to 85°C. Specifications over the –40°C to 85°C operating
temperature range are assured by design, characterization and correlation
with statistical process controls. The LT3470I specifications are
guaranteed over the –40
°C to 125°C temperature range. LT3470H
specifications are guaranteed over –40
°C to 150°C temperature range.
Note 3: Bias current flows out of the FB pin.
Note 4: This is the minimum voltage across the boost capacitor needed to
guarantee full saturation of the switch.
Note 5: This parameter is assured by design and correlation with statistical
process controls.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Minimum Input Voltage
4V
Quiescent Current from VIN
VSHDN = 0.2V
0.1
0.5
A
VBIAS = 3V, Not Switching
10
18
A
VBIAS = 0V, Not Switching
35
50
A
Quiescent Current from Bias
VSHDN = 0.2V
0.1
0.5
A
VBIAS = 3V, Not Switching
25
60
A
VBIAS = 0V, Not Switching
0.1
1.5
A
FB Comparator Trip Voltage
VFB Falling
1.228
1.250
1.265
V
FB Pin Bias Current (Note 3)
VFB = 1V, E and I-Grade
35
80
nA
35
150
nA
H-Grade
35
225
nA
FB Voltage Line Regulation
4V < VIN < 40V
0.0006
0.01
%/V
Minimum Switch Off-Time (Note 5)
500
ns
Switch Leakage Current
0.7
1.5
A
Switch VCESAT
ISW = 100mA (TS8 Package)
215
300
mV
ISW = 100mA (DD8 Package)
215
mV
Switch Top Current Limit
VFB = 0V
250
325
435
mA
Switch Bottom Current Limit
VFB = 0V
225
mA
Catch Schottky Drop
ISH = 100mA (TS8 Package)
630
775
mV
ISH = 100mA (DD8 Package)
630
mV
Catch Schottky Reverse Leakage
VSW = 10V
0.2
2
A
Boost Schottky Drop
ISH = 30mA
650
775
mV
Boost Schottky Reverse Leakage
VSW = 10V, VBIAS = 0V
0.2
2
A
Minimum Boost Voltage (Note 4)
1.7
2.2
V
BOOST Pin Current
ISW = 100mA
7
12
mA
SHDN Pin Current
VSHDN = 2.5V
1
5
A
SHDN Input Voltage High
2.5
V
SHDN Input Voltage Low
0.2
V
The
denotes specifications which apply over the full operating temperature range, otherwise specifications are TA = 25°C.
VIN = 10V, VSHDN = 10V, VBOOST = 15V, VBIAS = 3V unless otherwise specified.
ELECTRICAL CHARACTERISTICS
相關(guān)PDF資料
PDF描述
LT3495BEDDB#PBF 0.78 A SWITCHING REGULATOR, PDSO10
LT3495BEDDB-1#PBF 0.45 A SWITCHING REGULATOR, PDSO10
LT3495EDDB-1#PBF 0.45 A SWITCHING REGULATOR, PDSO10
LT3495EDDB-1#TRMPBF 0.45 A SWITCHING REGULATOR, PDSO10
LT3495BEDDB#TRMPBF 0.78 A SWITCHING REGULATOR, PDSO10
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LT3470IDDB 制造商:LINER 制造商全稱:Linear Technology 功能描述:Micropower Buck Regulator with Integrated Boost and Catch Diodes
LT3470IDDB#PBF 制造商:Linear Technology 功能描述:Conv DC-DC Single Step Down 4V to 40V 8-Pin DFN EP 制造商:Linear Technology 功能描述:Conv DC-DC Single Step Down 4V to 40V 8-Pin DFN EP Bulk
LT3470IDDB#TRMPBF 功能描述:IC REG BUCK ADJ 0.2A 8DFN RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器 系列:- 標(biāo)準(zhǔn)包裝:250 系列:- 類型:降壓(降壓) 輸出類型:固定 輸出數(shù):1 輸出電壓:1.2V 輸入電壓:2.05 V ~ 6 V PWM 型:電壓模式 頻率 - 開關(guān):2MHz 電流 - 輸出:500mA 同步整流器:是 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:6-UFDFN 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:6-SON(1.45x1) 產(chǎn)品目錄頁面:1032 (CN2011-ZH PDF) 其它名稱:296-25628-2
LT3470IDDB#TRPBF 功能描述:IC REG BUCK ADJ 0.2A 8DFN RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 類型:降壓(降壓) 輸出類型:固定 輸出數(shù):1 輸出電壓:1.2V,1.5V,1.8V,2.5V 輸入電壓:2.7 V ~ 20 V PWM 型:- 頻率 - 開關(guān):- 電流 - 輸出:50mA 同步整流器:是 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:10-TFSOP,10-MSOP(0.118",3.00mm 寬)裸露焊盤 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:10-MSOP 裸露焊盤
LT3470ITS8 制造商:LINEAR 制造商全稱:LINEAR 功能描述:Micropower Buck Regulator with Integrated Boost and Catch Diodes