參數(shù)資料
型號(hào): LT1431MJ8#TRPBF
廠商: LINEAR TECHNOLOGY CORP
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 2.5 V, CDIP8
封裝: 0.300 INCH, HERMETIC SEALED, LEAD FREE, CERAMIC, DIP-8
文件頁(yè)數(shù): 2/14頁(yè)
文件大?。?/td> 223K
代理商: LT1431MJ8#TRPBF
LT1431
10
1431fe
Typical applicaTions
5V Power Supply Monitor with ±500mV
Window and 50mV Hysteresis
Transfer Function
High Efficiency Buck Converter E = 85% to 89%
COLL
REF
GND-F
V+
GND-S
10**
“HIGH” FOR
OVER VOLTAGE OR
UNDER VOLTAGE
5k
1N4148
COLL
REF
GND-F
V+
GND-S
10**
5k
4k*
1k
6k*
1k
*DETERMINES WINDOW SIZE
V = (R – 5k)(0.5mA)
**SETS HYSTERESIS
LT1431 TA13
LT1431
VIN
0
V OUT
1
2
3
4
6
1
2
3
4
LT1431 TA14
5
6
5
COLL
1
2
6
5
REF
RMID
3
Q3
2N3904
4
8
7
V+
RTOP
R8*
24.9k
COMP
GND-F
GND-S
LT1431CN8
+
R2
1k
C3
0.1F
C5
0.047F
C4
0.033F
R6*
23.7k
5V
2.5A
C6
470F
16V
0.12
ESR
R7*
24.9k
1431 TA15
Q2
2N3904
D2
BAT85
D4
BAT85
R1
470k
C2
4.7F
35V
TANT
L1
50H 3A
R5
680
Q1
VN2222LL
RUN = 0
SHUTDOWN > 3V
R4
100
R3
10k
NOTES: UNLESS OTHERWISE SPECIFIED
1. ALL RESISTANCES ARE IN , 0.25W, 5%
2. ALL CAPACITANCES ARE IN F, 50V, 10%
3. SHUTDOWN LOGIC STATE MUST BE DEFINED BY A LOGIC GATE OR BY TYING TO GND
1
2
RTN
OFF
1
VIN
D1
BAT85
C1
220F
35V
D3
MBR330
BOLD LINES INDICATE HIGH CURRENT PATHS
*1% FILM RESISTORS
C1: NICHICON UPL1V221MPH
C3, C4, C5: WIMA MKS-2
C6: NICHICON UPL1C471MPH6
D1, D2: PHILIPS BAT85
D3: MOTOROLA MBR330
L1: COILTRONICS CTX50-3-MP
LT1170
VIN
VC
GND
VSW
FB
3
1
2
4
5
相關(guān)PDF資料
PDF描述
LT1460BIN8-2.5#TRPBF 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 2.5 V, PDIP8
LT1460EIN8-5#TRPBF 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 5 V, PDIP8
LT1460DCN8-5#TRPBF 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 5 V, PDIP8
LT1460ACN8-10#TRPBF 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 10 V, PDIP8
LT1460DCN8-10#TRPBF 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 10 V, PDIP8
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