參數(shù)資料
型號(hào): LT1373HVIN8
廠商: LINEAR TECHNOLOGY CORP
元件分類(lèi): 穩(wěn)壓器
英文描述: RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS
中文描述: 1.5 A SWITCHING REGULATOR, 275 kHz SWITCHING FREQ-MAX, PDIP8
封裝: 0.300 INCH, PLASTIC, DIP-8
文件頁(yè)數(shù): 2/12頁(yè)
文件大?。?/td> 181K
代理商: LT1373HVIN8
2
LT1373
Consult factory for Military grade parts.
*Units shipped prior to Date Code 9552 are rated at 100
°
C maximum
operating temperature.
(Note 1)
Supply Voltage ....................................................... 30V
Switch Voltage
LT1373............................................................... 35V
LT1373HV .......................................................... 42V
S/S Pin Voltage....................................................... 30V
Feedback Pin Voltage (Transient, 10ms) ..............
±
10V
Feedback Pin Current........................................... 10mA
Negative Feedback Pin Voltage
(Transient, 10ms).............................................
±
10V
Operating Junction Temperature Range
Commercial ........................................ 0
°
C to 125
°
C*
Industrial ......................................... –40
°
C to 125
°
C
Short Circuit ......................................... 0
°
C to 150
°
C
Storage Temperature Range................ –65
°
C to 150
°
C
Lead Temperature (Soldering, 10 sec)................. 300
°
C
LT1373CN8
LT1373HVCN8
LT1373CS8
LT1373HVCS8
LT1373IN8
LT1373HVIN8
LT1373IS8
LT1373HVIS8
S8 PART MARKING
1373
1373I
ORDER PART
NUMBER
1373H
1373HI
SYMBOL
V
REF
PARAMETER
Reference Voltage
CONDITIONS
Measured at Feedback Pin
V
C
= 0.8V
V
FB
= V
REF
MIN
1.230
1.225
TYP
1.245
1.245
50
MAX
1.260
1.265
150
275
0.03
–2.39
–2.35
–2
0.05
UNITS
V
V
G
I
FB
Feedback Input Current
nA
nA
G
Reference Voltage Line Regulation
Negative Feedback Reference Voltage
2.7V
V
IN
25V, V
C
= 0.8V
Measured at Negative Feedback Pin
Feedback Pin Open, V
C
= 0.8V
V
NFB
= V
NFR
2.7V
V
IN
25V, V
C
= 0.8V
G
0.01
–2.45
–2.45
–7
0.01
%/V
V
NFB
–2.51
–2.55
–12
V
V
G
I
NFB
Negative Feedback Input Current
Negative Feedback Reference Voltage
Line Regulation
Error Amplifier Transconductance
G
μ
A
G
%/V
g
m
I
C
=
±
5
μ
A
250
150
25
375
500
600
90
1500
2.30
0.52
μ
mho
μ
mho
G
Error Amplifier Source Current
Error Amplifier Sink Current
Error Amplifier Clamp Voltage
V
FB
= V
REF
– 150mV, V
C
= 1.5V
V
FB
= V
REF
+ 150mV, V
C
= 1.5V
High Clamp, V
FB
= 1V
Low Clamp, V
FB
= 1.5V
G
50
850
1.95
0.40
250
1
250
250
μ
A
μ
A
V
V
V/V
G
1.70
0.25
A
V
Error Amplifier Voltage Gain
V
C
Pin Threshold
Switching Frequency
Duty Cycle = 0%
2.7V
V
IN
25V
0
°
C
T
J
125
°
C
–40
°
C
T
J
0
°
C (I Grade)
0.8
225
210
200
90
1.25
275
290
290
V
f
kHz
kHz
kHz
%
ns
G
Maximum Switch Duty Cycle
Switch Current Limit Blanking Time
G
95
340
500
The
G
denotes specifications which apply over the full operating temperature range, otherwise specifications are at T
A
= 25
°
C.
V
IN
= 5V, V
C
= 0.6V, V
FB
= V
REF
, V
SW
, S/S and NFB pins open, unless otherwise noted.
1
2
3
4
8
7
6
5
TOP VIEW
V
C
FB
NFB
S/S
V
SW
GND
GND S
V
IN
N8 PACKAGE
8-LEAD PDIP
S8 PACKAGE
8-LEAD PLASTIC SO
T
JMAX
= 125
°
C,
θ
JA
= 100
°
C/W (N8)
T
JMAX
= 125
°
C,
θ
JA
= 120
°
C/W (S8)
ABSOLUTEW
W
W
U
PACKAGE/ORDER U
U
W
ELECTRICAL CHARACTERISTICS
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