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參數(shù)資料
| 型號： | LT4430ES6 |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 其它接口 |
| 英文描述： | Secondary-Side Optocoupler Driver |
| 中文描述： | SPECIALTY INTERFACE CIRCUIT, PDSO6 |
| 封裝： | PLASTIC, MO-193, TSOT-23, 6 PIN |
| 文件頁數(shù)： | 11/20頁 |
| 文件大小： | 2118K |
| 代理商： | LT4430ES6 |
LT4430
11
4430f
S U
APPLICATIO
Figures 4a to 4d demonstrate bias supply circuits for the
fully-synchronous push-pull topology. Biasing for full-
bridge schemes is identical to the push-pull circuits with
the obvious difference in the primary-side drive. In Figure
4a, the bias supply equals (V
IN
N – V
F
). In Figure 4b and
4d, the bias supply equals (2 V
IN
N – V
F
). In Figure 4c
and 4e, the bias supply equals (V
Z1
– V
F
).
In general, one of the simple, low-cost biasing schemes
suffices for LT4430 applications. However, design con-
W
U
U
straints such as a very wide input voltage range may force
employment of other biasing circuits. Other methods of
generating the bias supply may include an additional
transformer or output inductor winding, low-cost linear
regulators, discrete or monolithic charge pumps and
buck/boost regulators. However, if the bias supply gets this
complicated, a quick chat with your local LTC applications
engineer may result in a simpler solution.
V
IN
4430 F04a
T1
1:N
V
OUT
C
OUT
*OPTIONAL SEE TEXT
MF
L1
Q1
ME
Q2
LT4430
V
BIAS
C1
R1*
D1
V
IN
4430 F04b
T1
1:N
V
OUT
C
OUT
*OPTIONAL SEE TEXT
MF
L1
Q1
ME
Q2
LT4430
V
BIAS
C1
R1*
D1
Figure 4a. Typical Synchronous Push-Pull Converter
with Bias Generator
Figure 4b. Typical Synchronous Push-Pull Converter
with 2x Bias Generator
Figure 4c. Typical Synchronous Push-Pull
Converter with Preregulator Bias
Figure 4d. Typical Synchronous
Push-Pull Current-Doubler Converter
with Bias Generator
Figure 4e. Typical Synchronous
Push-Pull Current-Doubler Converter
with Preregulator Bias
V
IN
4430 F04c
T1
1:N
V
OUT
C
OUT
LT4430
V
BIAS
C1
R1*
D1
C2
*OPTIONAL SEE TEXT
MF
L1
Q1
ME
Q2
R3*
R2
QBS
Z1
V
IN
4430 F04d
T1
1:N
V
OUT
C
OUT
LT4430
V
BIAS
C1
R1*
D1
ME
*OPTIONAL SEE TEXT
L2
Q2
MF
L1
Q1
V
IN
4430 F04e
T1
1:N
V
OUT
C
OUT
LT4430
V
BIAS
C1
R1*
D1
C2
ME
*OPTIONAL SEE TEXT
L2
Q2
MF
L1
Q1
R3*
R2
QBS
Z1
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LT4430ES6#PBF | 制造商:Linear Technology 功能描述:Secondary Side Optocoupler Driver 6-Pin TSOT-23 制造商:Linear Technology 功能描述:OPTO-COUPLER DRIVER 20V TSOT 制造商:Linear Technology 功能描述:OPTO-COUPLER DRIVER, 20V, TSOT-23-6; IC Function:Optocoupler Driver; Supply Voltage Min:3V; Supply Voltage Max:20V; Operating Temperature Min:-40C; Operating Temperature Max:125C; Digital IC Case Style:TSOT-23; No. of Pins:6 ;RoHS Compliant: Yes |
| LT4430ES6#TR | 制造商:Linear Technology 功能描述:Secondary Side Optocoupler Driver 6-Pin TSOT-23 T/R |
| LT4430ES6#TRM | 制造商:Linear Technology 功能描述:Secondary Side Optocoupler Driver 6-Pin TSOT-23 T/R |
| LT4430ES6#TRMPBF | 功能描述:IC OPTOCOUPLER GATE DRVR SOT23-6 RoHS:是 類別:集成電路 (IC) >> PMIC - 電源管理 - 專用 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:50 系列:- 應(yīng)用:熱電冷卻器 電流 - 電源:- 電源電壓:3 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.173"，4.40mm 寬）裸露焊盤 供應(yīng)商設(shè)備封裝:28-TSSOP 裸露焊盤 包裝:管件 產(chǎn)品目錄頁面:1410 (CN2011-ZH PDF) |
| LT4430ES6#TRPBF | 功能描述:IC OPTOCOUPLER GATE DRVR SOT23-6 RoHS:是 類別:集成電路 (IC) >> PMIC - 電源管理 - 專用 系列:- 標準包裝:1 系列:- 應(yīng)用:手持/移動設(shè)備 電流 - 電源:- 電源電壓:3 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:14-WFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:14-LLP-EP（4x4） 包裝:Digi-Reel® 配用:LP3905SD-30EV-ND - BOARD EVALUATION LP3905SD-30 其它名稱:LP3905SD-30DKR |
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