參數(shù)資料
型號: LTC3104IMSE#TRPBF
廠商: Linear Technology
文件頁數(shù): 3/20頁
文件大?。?/td> 339K
描述: IC REG DL BCK/LINEAR SYNC 16MSOP
標(biāo)準(zhǔn)包裝: 2,500
拓?fù)洌?/td> 降壓(降壓)同步(1),線性(LDO)(1)
功能: 任何功能
輸出數(shù): 2
頻率 - 開關(guān): 1.2MHz
電壓/電流 - 輸出 1: 0.6 V ~ 13.8 V,300mA
電壓/電流 - 輸出 2: 0.6 V ~ 14.5 V,10mA
帶 LED 驅(qū)動器:
帶監(jiān)控器:
帶序列發(fā)生器:
電源電壓: 2.5 V ~ 15 V
工作溫度: -40°C ~ 125°C
安裝類型: 表面貼裝
封裝/外殼: 16-TFSOP(0.118",3.00mm 寬)裸露焊盤
供應(yīng)商設(shè)備封裝: 16-MSOP,裸露焊盤
包裝: 帶卷 (TR)
LTC3104
3
3104f
ELECTRICAL CHARACTERISTICS
 
The l denotes the specifications which apply over the full operating
junction temperature range, otherwise specifications are at T
A
 = 25癈 (Note 2). V
IN
 = V
INLDO
 = 10V unless otherwise noted.
PARAMETER
CONDITIONS
MIN   TYP   MAX    UNITS
Step-Down Converter
Input Voltage Range
l   2.5
15
V
Input Undervoltage Lockout Threshold
V
IN
 Rising
V
IN
 Rising, T
J
 = 0癈 to 85癈 (Note 4)
l
2.1
2.1
2.6
2.5
V
V
Input Undervoltage Lockout Hysteresis
(Note 4)
0.4
V
Feedback Voltage
(Note 5)
l  0.588   0.6   0.612
V
Feedback Voltage Line Regulation
V
IN
  = 2.5V to 15V (Note 5)
0.02   0.05
%/V
Feedback Input Current
(Note 5)
l
1    20
nA
Oscillator Frequency
 
T
J
 = 0癈 to 85癈 (Note 4)
l  0.93 
1.0
1.2
1.2
1.55
1.45
MHz
MHz
Quiescent Current, V
IN
Active
RUN = V
IN
, RUNLDO = V
IN
, MODE = 0V,
FB > 0.612, Nonswitching
600
 礎(chǔ)
Quiescent Current, V
IN
Sleep
T
J
 = 0癈 to 85癈, RUN = MODE = V
IN
, FB > 0.612
  RUNLDO = V
IN
(Note 4)
  RUNLDO = 0V (Note 4)
 
2.6
1.8
 
3.3
2.6
 
礎(chǔ)
礎(chǔ)
RUN = MODE = V
IN
, FB > 0.612
  RUNLDO = V
IN
 
  RUNLDO = 0V
 
l
l
 
2.8
1.8
 
5.5
4.5
 
礎(chǔ)
礎(chǔ)
Quiescent Current, V
IN
Shutdown
 
RUN = 0V, RUNLDO = 0V, T
J
 = 0癈 to 85癈 (Note 4)
RUN = 0V, RUNLDO = 0V
 
 
l
 
1
1
 
1.7
3.3
 
礎(chǔ)
礎(chǔ)
N-Channel MOSFET Synchronous Rectifier Leakage
Current
V
IN
 = V
SW
 =15V, V
RUN
 = 0V
0.01   0.3
礎(chǔ)
N-Channel MOSFET Switch Leakage Current
V
IN
 =15V, V
SW
 = 0V, V
RUN
 = 0V
0.01   0.3
礎(chǔ)
N-Channel MOSFET Synchronous Rectifier R
DS(ON)
I
SW
 = 200mA
0.85
?/DIV>
N-Channel MOSFET Switch R
DS(ON)
I
SW
 = 200mA
0.65
?/DIV>
Peak Current Limit
 
l
0.40   0.50   0.75
A
PGOOD Threshold
FB Falling, Percentage Below FB
14   10    5
%
PGOOD Hysteresis
Percentage of FB
2
%
PGOOD Voltage Low
I
PGOOD
 = 100礎(chǔ)
0.2
V
PGOOD Leakage Current
V
PGOOD
 = 5V
0.01   0.3
礎(chǔ)
Maximum Duty Cycle
l   89    92
%
Switch Minimum Off Time (t
OFF(MIN)
)
(Note 4)
65
ns
Synchronous Rectifier Minimum On Time (t
ON(MIN)
) (Note 4)
70
ns
RUN Pin Threshold
RUN Pin Rising
l  0.76   0.8   0.85
V
RUN Pin Hysteresis
 
0.06
V
RUN Input Current
RUN = 1.2V
l
0.01   0.4
礎(chǔ)
MODE Threshold
 
l
0.5    0.8    1.2
V
MODE Input Current
MODE = 1.2V
0.1    4
礎(chǔ)
Soft-Start Time
0.7    1.4    2.5
ms
LDO Regulator
LDO Input Voltage Range (V
IN(LDO)
)
l
2.5
15
V
LDO Output Voltage Range (V
LDO
)
I
LDO
 = 1mA
l
0.6
14.5
V
LDO Feedback Voltage
l
0.576   0.6   0.624
V
LDO Feedback Input Current
l
1    20
nA
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