參數(shù)資料
型號(hào): LT1074HVMK
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: 8.5 A SWITCHING REGULATOR, 125 kHz SWITCHING FREQ-MAX, MBFM4
封裝: METAL CAN, TO-3, 4 PIN
文件頁(yè)數(shù): 4/16頁(yè)
文件大?。?/td> 215K
代理商: LT1074HVMK
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
相關(guān)PDF資料
PDF描述
LT1074HVCK RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS
LT1076HVI-5 RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS
LT1076HV High Efficiency, Synchronous, 4-Switch Buck-Boost Controller
LT1076CR-5 RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS
LT1076I-5 RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS
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