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參數(shù)資料
| 型號： | L4990 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 1.5 A SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PDIP16 |
| 封裝： | DIP-16 |
| 文件頁數(shù)： | 23/24頁 |
| 文件大?。?/td> | 322K |
| 代理商： | L4990 |
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G [dB]
Phase
Figure 19. E/A frequency response.
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Duty C y cle [% ]
DC Control Voltage V pin3 [V]
Rt = 4.5Kohm ,
Ct = 1nF
V15 = 0 V
V1 5 = Vr ef
Figure 17. Maximum Duty Cycle vs Vpin3.
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PIN10 = OPEN
1V pulse
on PIN13
Figure18.Delayto output vs junctiontemperature.
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Rt= 4.5Kohm, Ct = 1nF
Vcc = 15V, V15= 0
Figure 15. Switching frequency vs. temperature.
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Timing capacitor Ct [nF]
Dead time [ns]
Rt =4.5Kohm
V15 = 0V
V15 = Vref
Figure 16. Dead time vs Ct.
L4990 - L4990A
8/24
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| L4990A | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:PRIMARY CONTROLLER |
| L4990AD | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:PRIMARY CONTROLLER |
| L4990D | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:PRIMARY CONTROLLER |
| L4991 | 功能描述:TEST COIL FOR REED SWITCH, 1PC RoHS:是 類別:開關(guān) >> 配件 系列:- 標(biāo)準(zhǔn)包裝:100 系列:- 其它名稱:886.0007886.0007-ND |
| L4992 | 制造商:STMicroelectronics 功能描述: 制造商:STMicroelectronics 功能描述:VOLT SUPERVISOR CNTRLR 5.1V/3.3V 32TQFP - Trays |
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