參數(shù)資料
型號: LT1241MJ8
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: 1 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, CDIP8
封裝: 0.300 INCH, HERMETIC SEALED, CERDIP-8
文件頁數(shù): 3/16頁
文件大?。?/td> 284K
代理商: LT1241MJ8
11
LT1241 Series
U
S
A
O
PPLICATI
TYPICAL
LT1241 TA01
5V REF
OSCILLATOR
EXTERNAL
SYNC
INPUT
0.01
F
47
CT
D1
RT
RT/CT
VREF
D1 IS REQUIRED IF THE SYNC AMPLITUDE IS LARGE
ENOUGH TO PULL THE BOTTOM OF CT MORE THAN
300mV BELOW GROUND.
8
4
+
+
1
2
+
3
LT1241 TA02
R
VREF
FB
COMP
ISENSE
C
2.5V
2R
R
1V
1.5V
1mA
5.6V
8
5V REF
+
+
2
+
4
1
8
7
5
6
LT1241 TA03
FB
COMP
RT/CT
VREF
VIN
RS
R2
C
R1
VCLAMP
1.67
R2
+ 1
R1
(
IPK (MAX)
VCLAMP
RS
WHERE: 0V
≤ V
CLAMP ≤ 1.0V
tSOFT START = –ln 1 –
VC
C
R1 R2
3 VCLAMP
R1 + R2
ISENSE
2.5V
2R
R
1V
1.5V
BLANKING
1mA
5.6V
OSCILLATOR
R
S
18V
VCC
UV
LOCKOUT
GND
OUTPUT
5V REF
MAIN BIAS
REFERENCE PULL-DOWN
OUTPUT
PULL-DOWN
REFERENCE ENABLE
T
3
100k
External Clock Synchronization
Soft Start
Adjustable Clamp Level with Soft Start
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