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參數(shù)資料
| 型號： | IRU3034 |
| 廠商： | International Rectifier |
| 英文描述： | 8-PIN PWM SWITCHER CONTROLLER IC WITH CURRENT LIMITING |
| 中文描述： | 8引腳的PWM開關(guān)控制器芯片，限流 |
| 文件頁數(shù)： | 7/12頁 |
| 文件大?。?/td> | 159K |
| 代理商： | IRU3034 |
IRU3034 & (PbF)
7
www.irf.com
Figure 5 - The circuit in figure 5 is designed to provide loss-less output short detection by detecting the DC voltage
across the inductor and shutting down the MOSFET and entering HICCUP mode. Note that the current limit point
is a function of the inductor resistance and in this application with approximately 8m
resistance the peak CL is
set at 10A. See application note on how to set the current limiting threshold.
TYPICAL APPLICATION
5V to 3.3V with loss-less short circuit protection (Output UVLO detection)
Ref Desig
U1
Q2
D1
Description Qty
Switcher IC
MOSFET
Schottky Diode
Part #
IRU3034CS (8-Pin SOIC)
IRL3303 (TO-263)
PBYR735 (Axial Thru Hole pkg)
PBYR1035B (SMT, T-263 pkg)
Core: T50-18, L=4
μ
H
Turns: 7T, 18 AWG
L=
μ
H
10
, 5%, SMT
182K
, 1%, SMT
1K
, 1%, SMT
576
, 1%, SMT
3.83K
, 1%, SMT
1K
, 1%, SMT
470
μ
F, Elect
6MV1000GX, 1000
μ
F, 6.3V, Elect
1
μ
F, Ceramic, SMT
10pF, Ceramic, SMT
0.1
μ
F
6MV1000GX, 1000
μ
F, 6.3V, Elect
0.047
μ
F
Manuf
IR
IR
1
1
1
Motorola
Micro Metal
L2
Inductor
1
(core)
L1
R1,2
R3
R4
R5
R7
R6
C1
C2
C3
C5
C6
C7
C8
Inductor
Resistor
Resistor
Resistor
Resistor
Resistor
Resistor
Capacitor
Capacitor
Capacitor
Capacitor
Capacitor
Capacitor
Capacitor
1
2
1
1
1
1
1
1
1
1
1
1
2
1
Sanyo
Sanyo
Sanyo
V
OUT
5V
C1
L1
C3
Q2
C2
L2
R4
C7
D1
R2
C4
R5
R1
12V
R3
C5
C8
U1
R6
C6
R7
Drv
V
12
V
FB
V
HYST
Gnd
CS-
CS+
SS
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| IRU3034CS | 功能描述:IC CTRL/REG PWM SWITCH 8-SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 專用型 系列:- 標準包裝:2,000 系列:- 應(yīng)用:控制器，DSP 輸入電壓:4.5 V ~ 25 V 輸出數(shù):2 輸出電壓:最低可調(diào)至 1.2V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:30-TFSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:30-TSSOP 包裝:帶卷 (TR) |
| IRU3034CSPBF | 制造商:International Rectifier 功能描述:PWM CONTROLLER SMD 3034 SOIC8 |
| IRU3034CSTR | 功能描述:IC CNTRL PWM SYNC SWITCH 8-SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 專用型 系列:- 標準包裝:2,000 系列:- 應(yīng)用:控制器，DSP 輸入電壓:4.5 V ~ 25 V 輸出數(shù):2 輸出電壓:最低可調(diào)至 1.2V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:30-TFSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:30-TSSOP 包裝:帶卷 (TR) |
| IRU3034PBF | 制造商:IRF 制造商全稱:International Rectifier 功能描述:8-PIN PWM SWITCHER CONTROLLER IC WITH CURRENT LIMITING |
| IRU3037 | 制造商:IRF 制造商全稱:International Rectifier 功能描述:8-PIN SYNCHRONOUS PWM CONTROLLER |
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