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參數(shù)資料
型號(hào): IRU3055
廠(chǎng)商: International Rectifier
英文描述: 5-BIT PROGRAMMABLE 3-PHASE SYNCHRONOUS BUCK CONTROLLER IC
中文描述: 5位可編程3相位同步降壓控制器IC
文件頁(yè)數(shù): 1/26頁(yè)
文件大小: 352K
代理商: IRU3055
IRU3055
1
Rev. 1.4
08/13/02
www.irf.com
TYPICAL APPLICATION
DESCRIPTION
The IRU3055 is a 3-phase synchronous Buck controller
which provides high performance DC to DC converter for
high current applications.
The IRU3055 controller IC is specifically designed to meet
Intel and AMD specifications for the new microproces-
sor requiring low voltage and high current.
The IRU3055 features under-voltage lockout for both 5V
and 12V supplies, an external and programmable soft-
start function as well as programming the oscillator fre-
quency by using an external resistor.
Meets VRM 9.0 Specification
3-Phase Controller with On-Board MOSFET Driver
On-Board DAC programs the output voltage from
1.075V to 1.850V
Loss-less Short Circuit Protection
Programmable Frequency
Synchronous operation allows maximum efficiency
Minimum Part Count
Soft-Start
Power Good Function
Hiccup Mode Current Limit
APPLICATIONS
PACKAGE ORDER INFORMATION
T
A
(
8
C)
0 To 70
FEATURES
5-BIT PROGRAMMABLE 3-PHASE
SYNCHRONOUS BUCK CONTROLLER IC
PRELIMINARY DATA SHEET TEST SPEC
Intel Pentium 4 and AMD K7
DEVICE PACKAGE
IRU3055CQ 36-Pin Plastic QSOP WB (Q)
Data Sheet No. PD94262
Figure 1 - Typical application of IRU3055.
Vcc
D4
Ref
Rt
SS
D3
D2
D1
D0
Comp
Fb
V
CL1
V
CL23
HDrv1
OCSet
LDrv1
PGnd1/
OCGnd
CS1
HDrv2
LDrv2
PGnd2
CS2
HDrv3
LDrv3
PGnd3
CS3
5V
22nF
C12
R6
27K
C9
1uF
R3
47K
C10
0.1uF
V
C
V
C
C1
1uF
C2
0.1uF
C3
1uF
R1
12V
Q1
IRF3704S
Q2
IRF3711S
Q3
IRF3704S
Q4
IRF3711S
Q5
IRF3704S
Q6
IRF3711S
L2
C13
1uF
L4
C11
R5
1.5K
L3
C8
1uF
C14
8x 2700uF
1uH
1uH
1uH
IRU3055
C5
1uF
C6
6x 1500uF
R4
1.5K
R2
1.5K
1.5V / 60A
L1
1uH
C4
1000uF
1uF
D1
100pF
(Optional)
C7
2.2K
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
IRU3055CQ 制造商:IRF 制造商全稱(chēng):International Rectifier 功能描述:5-BIT PROGRAMMABLE 3-PHASE SYNCHRONOUS BUCK CONTROLLER IC
IRU3055CQTR 功能描述:IC CTRL SYNC 3-PHASE 36-QSOP RoHS:否 類(lèi)別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 專(zhuān)用型 系列:- 標(biāo)準(zhǔn)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(lèi)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)
IRU3065 制造商:IRF 制造商全稱(chēng):International Rectifier 功能描述:POSITIVE TO NEGATIVE DC TO DC CONTROLLER
IRU3065CLTR 功能描述:IC REG CTRLR INV PWM SOT23-6 RoHS:否 類(lèi)別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標(biāo)準(zhǔn)包裝:4,000 系列:- PWM 型:電壓模式 輸出數(shù):1 頻率 - 最大:1.5MHz 占空比:66.7% 電源電壓:4.75 V ~ 5.25 V 降壓:是 升壓:無(wú) 回掃:無(wú) 反相:無(wú) 倍增器:無(wú) 除法器:無(wú) Cuk:無(wú) 隔離:無(wú) 工作溫度:-40°C ~ 85°C 封裝/外殼:40-VFQFN 裸露焊盤(pán) 包裝:帶卷 (TR)
IRU3065CLTRPBF 制造商:IRF 制造商全稱(chēng):International Rectifier 功能描述:POSITIVE TO NEGATIVE DC TO DC CONTROLLER
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