參數(shù)資料
型號： LTC3411
廠商： Linear Technology Corporation
英文描述： 1.25A, 4MHz, Synchronous Step-Down DC/DC Converter
中文描述： 電流1.25A，4MHz，同步降壓型DC / DC轉(zhuǎn)換器
文件頁數(shù)： 2/20頁
文件大?。?/td> 288K
代理商： LTC3411
LTC3411
2
sn3411 3411fs
PV
IN
, SV
IN
Voltages .....................................–0.3V to 6V
V
FB
, I
TH
, SHDN/R
T
Voltages..........–0.3V to (V
IN
+ 0.3V)
SYNC/MODE Voltage ....................–0.3V to (V
IN
+ 0.3V)
SW Voltage...................................–0.3V to (V
IN
+ 0.3V)
PGOOD Voltage ...........................................–0.3V to 6V
Operating Ambient Temperature Range
(Note 2) .................................................. –40
°
C to 85
°
C
ORDER PART
NUMBER
DD PART MARKING
T
JMAX
= 125
°
C,
θ
JA
= 120
°
C/W,
θ
JC
= 10
°
C/W
Consult LTC Marketing for parts specified with wider operating temperature ranges.
LADT
LTC3411EDD
ABSOLUTEW
W
W
U
PACKAGE/ORDER IU
U
W
(Note 1)
1
2
3
4
5
SHDN/R
T
SYNC/MODE
SGND
SW
PGND
10
9
8
7
6
I
TH
V
PGOOD
SV
IN
PV
IN
TOP VIEW
MS PACKAGE
10-LEAD PLASTIC MSOP
Junction Temperature (Notes 5, 8).......................125
°
C
Storage Temperature Range
DD Package...................................... –65
°
C to 125
°
C
MS Package .................................... –65
°
C to 150
°
C
Lead Temperature (Soldering, 10 sec)..................300
°
C
ORDER PART
NUMBER
MS PART MARKING
LTQT
LTC3411EMS
TOP VIEW
DD PACKAGE
10-LEAD (3mm
×
3mm) PLASTIC DFN
T
JMAX
= 125
°
C,
θ
JA
= 43
°
C/W,
θ
JC
= 3
°
C/W
(EXPOSED PAD MUST BE SOLDERED TO PCB)
10
9
8
6
7
4
5
3
2
1
I
TH
V
FB
PGOOD
SV
IN
PV
IN
SHDN/R
T
SYNC/MODE
SGND
SW
PGND
ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifications are at T
A
= 25
°
C. V
IN
= 3.3V, R
T
= 324k unless otherwise specified. (Note 2)
SYMBOL
PARAMETER
CONDITIONS
V
IN
Operating Voltage Range
I
FB
Feedback Pin Input Current
(Note 3)
V
FB
Feedback Voltage
(Note 3)
V
LINEREG
Reference Voltage Line Regulation
V
IN
= 2.7V to 5V
V
LOADREG
Output Voltage Load Regulation
I
TH
= 0.36, (Note 3)
I
TH
= 0.84, (Note 3)
g
m(EA)
Error Amplifier Transconductance
I
TH
Pin Load =
±
5
μ
A (Note 3)
I
S
Input DC Supply Current (Note 4)
Active Mode
V
FB
= 0.75V, SYNC/MODE = 3.3V
Sleep Mode
V
SYNC/MODE
= 3.3V, V
FB
= 1V
Shutdown
V
SHDN/RT
= 3.3V
V
SHDN/RT
Shutdown Threshold High
Active Oscillator Resistor
f
OSC
Oscillator Frequency
R
= 324k
(Note 7)
f
SYNC
Synchronization Frequency
(Note 7)
I
LIM
Peak Switch Current Limit
I
TH
= 1.3
R
DS(ON)
Top Switch On-Resistance (Note 6)
V
IN
= 3.3V
Bottom Switch On-Resistance (Note 6)
V
IN
= 3.3V
I
SW(LKG)
Switch Leakage Current
V
IN
= 6V, V
ITH/RUN
= 0V, V
FB
= 0V
V
UVLO
Undervoltage Lockout Threshold
V
IN
Ramping Down
The
G
denotes the specifications which apply over the full operating
MIN
2.625
TYP
MAX
5.5
±
0.1
0.816
0.2
0.2
–0.2
UNITS
V
μ
A
V
G
0.784
0.8
0.04
0.02
–0.02
800
%/V
G
G
%
%
μ
S
240
62
0.1
350
100
1
μ
A
μ
A
μ
A
V
V
IN
– 0.6 V
IN
– 0.4
324k
1
1M
1.15
4
4
0.85
MHz
MHz
MHz
0.4
1.6
2
A
μ
A
V
0.11
0.11
0.01
2.5
0.15
0.15
1
2.625
2.375
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LTC3411A 制造商:LINER 制造商全稱:Linear Technology 功能描述:1.25A, 4MHz, Synchronous Step-Down DC/DC Converter
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LTC3411AEDD#TRPBF 功能描述:IC REG BUCK SYNC ADJ 1.25A 10DFN 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:- 標準包裝:2,500 系列:- 類型:升壓（升壓） 輸出類型:可調(diào)式 輸出數(shù):1 輸出電壓:1.24 V ~ 30 V 輸入電壓:1.5 V ~ 12 V PWM 型:電流模式，混合 頻率 - 開關(guān):600kHz 電流 - 輸出:500mA 同步整流器:無 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 包裝:帶卷 (TR) 供應商設(shè)備封裝:8-SOIC
LTC3411AEDD-PBF 制造商:LINER 制造商全稱:Linear Technology 功能描述:1.25A, 4MHz, Synchronous Step-Down DC/DC Converter
LTC3411AEDD-TRPBF 制造商:LINER 制造商全稱:Linear Technology 功能描述:1.25A, 4MHz, Synchronous Step-Down DC/DC Converter
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