參數(shù)資料
型號(hào)： LT3470ETS8
廠商： Linear Integrated Systems
英文描述： Micropower Buck Regulator with Integrated Boost and Catch Diodes
中文描述： 微功耗降壓穩(wěn)壓器與集成升壓二極管和捕捉
文件頁(yè)數(shù)： 2/16頁(yè)
文件大小： 205K
代理商： LT3470ETS8
2
LT3470
3470f
(Note 1)
V
IN
, SHDN Voltage.................................................. 40V
BOOST Pin Voltage................................................. 47V
BOOST Pin Above SW Pin ...................................... 25V
FB Voltage ................................................................ 5V
BIAS Voltage............................................................ 25V
SW Voltage................................................................V
IN
Maximum Junction Temperature......................... 125
°
C
Operating Temperature Range (Note 2).. –40
°
C to 85
°
C
Storage Temperature Range................. –65
°
C to 150
°
C
Lead Temperature (Soldering, 10 sec)..................300
°
C
Consult LTC Marketing for parts specified with wider operating temperature ranges.
ABSOLUTEW
W
W
U
PACKAGE/ORDER U
U
W
SHDN 1
NC 2
V
IN
3
GND 4
8 FB
7 BIAS
6 BOOST
5 SW
TOP VIEW
TS8 PACKAGE
8-LEAD PLASTIC TSOT-23
T
JMAX
= 125
°
C,
θ
JA
= 140
°
C/W
ORDER PART
NUMBER
TS8 PART MARKING
LT3470ETS8
LT3470ITS8
LTBDM
LTBPW
PARAMETER
Minimum Input Voltage
Quiescent Current from V
IN
CONDITIONS
MIN
TYP
MAX
4
0.5
18
50
0.5
60
1.5
1.265
80
150
0.01
UNITS
●
V
V
SHDN
= 0.2V
V
BIAS
= 3V, Not Switching
V
BIAS
= 0V, Not Switching
V
SHDN
= 0.2V
V
BIAS
= 3V, Not Switching
V
BIAS
= 0V, Not Switching
V
FB
Falling
V
FB
= 1V
0.1
10
35
0.1
25
0.1
1.250
35
35
0.0006
500
0.7
215
325
225
μ
A
μ
A
μ
A
μ
A
μ
A
μ
A
V
nA
nA
●
Quiescent Current from Bias
●
FB Comparator Trip Voltage
FB Pin Bias Current (Note 3)
●
1.228
●
FB Voltage Line Regulation
Minimum Switch Off-Time (Note 5)
Switch Leakage Current
Switch V
CESAT
Switch Top Current Limit
Switch Bottom Current Limit
4V < V
IN
< 40V
%/V
ns
μ
A
mV
mA
mA
1.5
300
435
I
SW
= 100mA
V
FB
= 0V
V
FB
= 0V
250
The
●
denotes specifications which apply over the full operating temperature range, otherwise specifications are T
A
= 25
°
C.
V
IN
= 10V, V
SHDN
= 10V, V
BOOST
= 15V, V
BIAS
= 3V unless otherwise specified.
ELECTRICAL CHARACTERISTICS
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LT3470ETS8#PBF 制造商:Linear Technology 功能描述:DC-DC CONVERTER BUCK ADJ 20 制造商:Linear Technology 功能描述:DC-DC CONVERTER, BUCK, ADJ, 200mA, TSOT-23-8; Primary Input Voltage:40V; No. of Outputs:1; Output Current:200mA; No. of Pins:8; Operating Temperature Min:-40C; Operating Temperature Max:85C; Package / Case:8-TSOT-23 ;RoHS Compliant: Yes
LT3470ETS8#TR 制造商:Linear Technology 功能描述:Conv DC-DC Single Step Down 4V to 40V 8-Pin TSOT-23 T/R
LT3470ETS8#TRM 制造商:Linear Technology 功能描述:Conv DC-DC Single Step Down 4V to 40V 8-Pin TSOT-23 T/R
LT3470ETS8#TRMPBF 功能描述:IC REG BUCK ADJ 0.2A TSOT23-8 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(yè)面:1032 (CN2011-ZH PDF) 其它名稱:296-25628-2
LT3470ETS8#TRMPBF 制造商:Linear Technology 功能描述:DC/DC Converter IC 制造商:Linear Technology 功能描述:IC, BUCK REGULATOR, 8-TSOT-23
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