參數(shù)資料
型號(hào): LT1375HVCS8
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS
中文描述: 3 A SWITCHING REGULATOR, 570 kHz SWITCHING FREQ-MAX, PDSO8
封裝: 0.150 INCH, PLASTIC, SOP-8
文件頁(yè)數(shù): 3/28頁(yè)
文件大?。?/td> 232K
代理商: LT1375HVCS8
3
LT1375/LT1376
ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifications are at T
A
= 25
°
C. T
J
= 25
°
C, V
IN
= 15V, V
C
= 1.5V, boost open, switch open,
unless otherwise noted.
The
G
denotes specifications which apply over the full operating
PARAMETER
Reference Voltage (Adjustable)
CONDITIONS
MIN
2.39
2.36
4.94
4.90
7
TYP
2.42
MAX
2.45
2.48
5.06
5.10
14
0.03
0.03
1.5
UNITS
V
V
V
V
All Conditions
G
Sense Voltage (Fixed 5V)
5.0
All Conditions
G
Sense Pin Resistance
Reference Voltage Line Regulation
10
0.01
0.01
0.5
400
2000
k
%/V
%/V
μ
A
5V
V
IN
25V
5V
V
IN
30V (LT1375HV/LT1376HV)
Feedback Input Bias Current
Error Amplifier Voltage Gain
Error Amplifier Transconductance
G
V
SHDN
= 1V (Notes 2, 8)
V
SHDN
= 1V,
I (V
C
) =
±
10
μ
A (Note 8)
200
1500
1100
2700
3000
μ
Mho
μ
Mho
A/V
G
V
C
Pin to Switch Current Transconductance
Error Amplifier Source Current
Error Amplifier Sink Current
V
C
Pin Switching Threshold
V
C
Pin High Clamp
Switch Current Limit
V
BOOST
= V
IN
+ 5V
2
V
SHDN
= 1V, V
FB
= 2.1V or V
SENSE
= 4.4V
V
SHDN
= 1V, V
FB
= 2.7V or V
SENSE
= 5.6V
Duty Cycle = 0
V
SHDN
= 1V
V
C
Open, V
FB
= 2.1V or V
SENSE
= 4.4V,
G
150
225
2
0.9
2.1
320
μ
A
mA
V
V
DC
50%
DC = 80%
G
G
1.50
1.35
2
3
3
A
A
%
%
%
Switch On Resistance (Note 6)
I
SW
= 1.5A, V
BOOST
= V
IN
+ 5V
0.3
0.4
0.5
G
Maximum Switch Duty Cycle
V
FB
= 2.1V or V
SENSE
= 4.4V
90
86
85
460
440
440
93
93
93
500
–40
°
C
T
J
125
°
C
T
J
= 150
°
C
Switch Frequency
V
C
Set to Give 50% Duty Cycle
540
560
570
0.15
0.15
1.3
5.5
3.5
22
35
1.4
4.0
50
75
kHz
kHz
kHz
%/V
%/V
–25
°
C
T
J
125
°
C
T
J
–25
°
C
Switch Frequency Line Regulation
5V
V
IN
25V
5V
V
IN
30V (LT1375HV/LT1376HV)
f = 10kHz
G
G
0.05
0.05
1.0
5.0
3
12
25
0.9
3.2
15
Frequency Shifting Threshold on FB Pin
Minimum Input Voltage (Note 3)
Minimum Boost Voltage (Note 4)
Boost Current (Note 5)
G
0.8
V
V
V
G
I
SW
1.5A
V
BOOST
= V
IN
+ 5V
G
I
SW
= 500mA
I
SW
= 1.5A
G
G
mA
mA
mA
mA
μ
A
μ
A
Input Supply Current (Note 6)
Output Supply Current (Note 6)
Shutdown Supply Current
V
BIAS
= 5V
V
BIAS
= 5V
V
SHDN
= 0V, V
IN
25V, V
SW
= 0V, V
C
Open
G
G
G
V
SHDN
= 0V, V
IN
30V, V
SW
= 0V, V
C
Open
(LT1375HV/LT1376HV)
20
75
100
2.46
μ
A
μ
A
V
G
Lockout Threshold
V
C
Open
G
2.3
2.38
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