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參數(shù)資料
| 型號： | T1074HV |
| 廠商： | Linear Technology Corporation |
| 英文描述： | BOX EXTRUD ALUM 8.66X6.30X1.20,1 |
| 中文描述： | 降壓型開關(guān)穩(wěn)壓器 |
| 文件頁數(shù)： | 4/16頁 |
| 文件大?。?/td> | 215K |
| 代理商： | T1074HV |
LT1074/LT1076
4
Note 1:
Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2:
To calculate maximum switch “on” voltage at currents between
low and high conditions, a linear interpolation may be used.
Note 3:
A feedback pin voltage (V
FB
) of 2.5V forces the V
C
pin to its low
clamp level and the switch duty cycle to zero. This approximates the zero
load condition where duty cycle approaches zero.
Note 4:
Total voltage from V
IN
pin to ground pin must be
≥
8V after start-
up for proper regulation.
Note 5:
Switch frequency is internally scaled down when the feedback pin
voltage is less than 1.3V to avoid extremely short switch on times. During
testing, V
FB
is adjusted to give a minimum switch on time of 1
μ
s.
2k
Note 6:
I
LIM
≈
,
I
LIM
≈
R
Note 7:
Switch to input voltage limitation must also be observed.
Note 8:
V
MAX
= 40V for the LT1074/76 and 60V for the LT1074HV/76HV.
Note 9:
Does not include switch leakage.
LIM
– 1k
5.5k
ELECTRICAL CHARACTERISTICS
6V
REGULATOR
AND BIAS
+
-POWER
SHUTDOWN
–
10 A
μ
320 A
μ
+
–
2.35V
0.3V
CURRENT
LIMIT
SHUTDOWN
4.5V
10k
S
+
–
CURRENT
LIMIT
COMP
C2
15
400
+
–
C1
R/S
LATCH
R
R
Q
X
Y
Z
+
–
A1
ERROR
AMP
FB
V
100kHz
OSCILLATOR
SYNC
MANXY
Z
FREQ SHIFT
G1
PULSE WIDTH
COMPARATOR
24V (EQUIVALENT)
2.21V
SWITCH
OUTPUT
(V )
0.04
250
500
INPUT SUPPLY
SHUTDOWN*
I *
6V TO ALL
CIRCUITRY
V
IN
C
LT1074 BD01
100
SWITCH
OUTPUT (V )
0.1
3V(p-p)
LT1076
LT1074
*AVAILABLE ON PACKAGES WITH PIN
COUNTS GREATER THAN 5.
BLOCK DIAGRA
W
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|---|---|
| T10A100 | MICROMATE FEMALE PCB EDGEMT. RoHS Compliant: Yes |
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| T10A | BOX EXTRUD ALUM 8.66X6.30X2.03,1 |
| T10A062 | Glass passivated junction |
| T10A068 | Glass passivated junction |
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