參數(shù)資料
型號(hào): L4973V3.3
廠商: STMICROELECTRONICS
元件分類: 穩(wěn)壓器
英文描述: 5.5 A SWITCHING REGULATOR, 300 kHz SWITCHING FREQ-MAX, PDIP18
封裝: LEAD FREE, PLASTIC, DIP-18
文件頁數(shù): 27/28頁
文件大?。?/td> 637K
代理商: L4973V3.3
Electrical characteristics
L4973
8/28
Maximum frequency
Duty cycle = 0%;
ROSC =13 kΩ; COSC = 820 pF;
300
kHz
Sync function
High input voltage
VCC = 8 V to 55 V
3.5
V
Low input voltage
VCC = 8 V to 55 V
0.9
V
Slave sink current
0.15
0.25
0.45
mA
Master output amplitude
Isource = 3 mA
4
4.5
V
Output pulse width
No load, Vsync = 4.5 V
0.20
0.35
μs
1.
Pulse testing with a low duty cycle
2.
Specifications referred to TJ from -40 °C to 125 °C.
Table 4.
Electrical characteristics (continued)
(Refer to the test circuit,VCC = 24 V; TJ = 25 °C, COSC = 2.7 nF;
ROSC = 20 kΩ; unless otherwise specified)
Symbol
Parameter
Test condition
Min
Typ
Max
Unit
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