參數(shù)資料
型號(hào): LT3433EFE
廠商: LINEAR TECHNOLOGY CORP
元件分類(lèi): 穩(wěn)壓器
英文描述: 40 POS PEEL-A-WAY® SINGLE ROW SOCKET
中文描述: 0.9 A SWITCHING REGULATOR, 230 kHz SWITCHING FREQ-MAX, PDSO16
封裝: 4.40 MM, PLASTIC, TSSOP-16
文件頁(yè)數(shù): 3/12頁(yè)
文件大?。?/td> 183K
代理商: LT3433EFE
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
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