- 您現(xiàn)在的位置：買賣IC網 > PDF目錄43899 > L4990 (STMICROELECTRONICS) 1.5 A SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PDIP16 PDF資料下載
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)： | 11/24頁 |
| 文件大小： | 322K |
| 代理商： | L4990 |
D97IN506
L4990
PGND
ISEN
OUT
VC
VIN
9
10
13
11
8
VCC
Figure 35. Bipolar Transistor Drive
D97IN507
+
-
EA
Ri
+
1.3mA
Rd
R
2R
12
Cf
Rf
6
5
From VO
2.5V
+
-
EA
RP
+
1.3mA
Rd
R
2R
12
Cf
Rf
6
5
From VO
2.5V
Error Amp compensation circuit for stabilizing any current-mode topology except
for boost and flyback converters operating with continuous inductor current.
CP
Ri
Error Amp compensation circuit for stabilizing current-mode boost and flyback
topologies operating with continuous inductor current.
VFB
COMP
SGND
Figure 36. Typical E/A compensation networks.
L4990 - L4990A
19/24
相關PDF資料 |
PDF描述 |
|---|---|
| L4990D | 1.5 A SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PDSO16 |
| L5970AD | 1.8 A SWITCHING REGULATOR, 500 kHz SWITCHING FREQ-MAX, PDSO8 |
| L5972D013TR | 3 A SWITCHING REGULATOR, 280 kHz SWITCHING FREQ-MAX, PDSO8 |
| L5972D | 3 A SWITCHING REGULATOR, 280 kHz SWITCHING FREQ-MAX, PDSO8 |
| L5973AD | 2.3 A SWITCHING REGULATOR, PDSO8 |
相關代理商/技術參數(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 >> 配件 系列:- 標準包裝: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 |
發(fā)布緊急采購，3分鐘左右您將得到回復。