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參數(shù)資料
| 型號(hào)： | 3433EFE |
| 廠商： | Linear Technology Corporation |
| 英文描述： | High Voltage Step-Up/Step-Down DC/DC Converter |
| 中文描述： | 高電壓降壓型DC / DC變換器 |
| 文件頁(yè)數(shù)： | 3/12頁(yè) |
| 文件大小： | 183K |
| 代理商： | 3433EFE |
3
LT3433
3433ia
SYMBOL
V
FB
I
FB
g
m
A
V
I
SW
/V
VC
f
O
PARAMETER
Feedback Reference Line Regulation
V
FB
Pin Input Bias Current
Error Amplifier Transconductance
Error Amplifier Voltage Gain
Control Voltage to Switch Transconductance
Operating Frequency
CONDITIONS
5.5V
≤
V
IN
≤
60V
MIN
TYP
0.002
35
270
66
0.55
200
MAX
0.01
100
330
UNITS
%/V
G
G
nA
G
200
umhos
dB
A/V
kHz
kHz
kHz
ns
ns
V
FB
> 1V
185
170
215
230
G
Foldback Frequency
Minimum Switch On Time
Minimum Switch Off Time
V
FB
= 0V
R
L
= 35
(Note 4)
R
L
= 35
(Note 4)
50
250
500
t
ON(MIN)
t
OFF(MIN)
G
450
800
G
The
G
denotes specifications that apply over the full operating temperature range, otherwise specifications are at T
A
= 25
°
C.
V
IN
= 13.8V, V
FB
= 1.25V, V
OUT
= 5V, V
BURST_EN
= 0V, V
BST
– V
IN
= 5V, unless otherwise noted.
ELECTRICAL CHARACTERISTICS
Note 1:
Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2:
Supply current specification does not include switch drive
currents. Actual supply currents will be higher.
Note 3:
“Normal Operation” supply current specification does not include
I
BIAS
currents. Powering the V
BIAS
pin externally reduces I
CC
supply
current.
Note 4:
Minimum times are tested using the high side switch with a 35
load to ground.
Note 5:
This IC includes overtemperature protection that is intended to
protect the device during momentary overload conditions. Junction
temperature will exceed 125
°
C when overtemperature protection is active.
Continuous operation above the specified maximum operating junction
temperature may impair device reliability.
Note 6:
The LT3433E is guaranteed to meet performance specifications
from 0
°
C to 125
°
C junction temperature. Specifications over the –40
°
C to
125
°
C operating junction temperature range are assured by design,
characterization and correlation with statistical process controls. The
LT3433I is guaranteed over the full –40
°
C to 125
°
C operating junction
temperature range.
TYPICAL PERFOR U
TEMPERATURE (
°
C)
–50
2.2
V
B
2.4
2.6
2.8
0
50
3433 G01
100
125
V
BIAS
Output Voltage
vs Temperature
V
IN
Supply Current
vs V
IN
Supply Voltage
V
IN
(V)
0
I
V
μ
A
620
590
560
530
500
3433 G02
15
30
45
60
T
A
= 25
°
C
V
IN
(V)
0
0
M
100
200
300
400
500
10
20
30
40
3433 G11
50
60
BRIDGED
BUCK
SEE TYPICAL APPLICATION
ON THE FIRST PAGE OF
THIS DATA SHEET
V
OUT
= 5V
Maximum Output Current
vs V
IN
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 3433IFE | 制造商:LINER 制造商全稱:Linear Technology 功能描述:High Voltage Step-Up/Step-Down DC/DC Converter |
| 3433-L003 | 制造商:3M Electronic Products Division 功能描述:50 POS, STKD 4WALL,30AU,. |
| 3433-L202 | 功能描述:CONN HEADER STKD 50POS R/A GO RoHS:否 類別:連接器，互連式 >> 矩形- 接頭，公引腳 系列:3000 標(biāo)準(zhǔn)包裝:1 系列:C-Grid® 8624 觸點(diǎn)類型：:公形引腳 連接器類型:接頭，無(wú)罩，可斷開(kāi)式 位置數(shù):66 加載位置的數(shù)目:全部 間距:0.100"（2.54mm） 行數(shù):2 行間距:0.100"（2.54mm） 觸點(diǎn)接合長(zhǎng)度:0.240"（6.10mm） 安裝類型:通孔 端子:焊接 緊固型:- 特點(diǎn):- 觸點(diǎn)表面涂層:金 觸點(diǎn)涂層厚度:15µin（0.38µm） 顏色:黑 包裝:散裝 其它名稱:0010-89-16610010-89-1661-E00108916610010891661-E10-89-1661-E10-89-1661-ND1089166110891661-EWM6866 |
| 3433-L203 | 功能描述:CONN HEADER STKD 50POS R/A GO RoHS:否 類別:連接器，互連式 >> 矩形- 接頭，公引腳 系列:3000 標(biāo)準(zhǔn)包裝:1 系列:C-Grid® 8624 觸點(diǎn)類型：:公形引腳 連接器類型:接頭，無(wú)罩，可斷開(kāi)式 位置數(shù):66 加載位置的數(shù)目:全部 間距:0.100"（2.54mm） 行數(shù):2 行間距:0.100"（2.54mm） 觸點(diǎn)接合長(zhǎng)度:0.240"（6.10mm） 安裝類型:通孔 端子:焊接 緊固型:- 特點(diǎn):- 觸點(diǎn)表面涂層:金 觸點(diǎn)涂層厚度:15µin（0.38µm） 顏色:黑 包裝:散裝 其它名稱:0010-89-16610010-89-1661-E00108916610010891661-E10-89-1661-E10-89-1661-ND1089166110891661-EWM6866 |
| 3433-L302 | 功能描述:集管和線殼 100P R/A 4WALL CONDO RoHS:否 產(chǎn)品種類:1.0MM Rectangular Connectors 產(chǎn)品類型:Headers - Pin Strip 系列:DF50 觸點(diǎn)類型:Pin (Male) 節(jié)距:1 mm 位置/觸點(diǎn)數(shù)量:16 排數(shù):1 安裝風(fēng)格:SMD/SMT 安裝角:Right 端接類型:Solder 外殼材料:Liquid Crystal Polymer (LCP) 觸點(diǎn)材料:Brass 觸點(diǎn)電鍍:Gold 制造商:Hirose Connector |
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