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參數(shù)資料
| 型號： | R2J20701NP |
| 廠商： | Renesas Technology Corp. |
| 英文描述： | N-channel TrenchMOS standard level FET, SOT78 (TO-220AB), Tube pack |
| 中文描述： | 峰值電流模式同步降壓控制器與功率MOSFET |
| 文件頁數(shù)： | 1/28頁 |
| 文件大?。?/td> | 220K |
| 代理商： | R2J20701NP |
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REJ03G1459-0300 Rev.3.00 Jun 20, 2007
Page 1 of 27
R2J20701NP
Peak Current Mode Synchronous Buck Controller
with Power MOS FETs
REJ03G1459-0300
Rev.3.00
Jun 20, 2007
Description
This all-in-one SiP for POL (point-of-load) applications is a multi-chip module incorporating a high-side MOS FET,
low-side MOS FET, and PWM controller in a single QFN package. The on and off timing of the power MOS FET is
optimized by the built-in driver circuit, making this device suitable for large-current high-efficiency buck converters.
In a simple peak-current mode topology, stable operation is obtained in a closed power loop, and a fast converter is
easily realized with the addition of simple components. Furthermore, the same topology can be applied to realize
converters for parallel synchronized operation with current sharing, and two-phase operation.
The package also incorporates a high-side bootstrap Schottky barrier diode (SBD), eliminating the need for an external
SBD for this purpose.
Features
Three chips in one package for high-efficiency and space saving
Large average output current (35 A)
Wide input voltage range: 8 to 14 V
0.6 V reference voltage accurate to within 1%
Wide programmable switching frequency: 200 kHz to 1 MHz
Fast response by peak-current-mode topology.
Simple current sharing (up to five modules in parallel)
Two-phase operation in parallel operation
Built-in SBD for boot strapping
On/off control
Hiccup operation under over load condition
Tracking function
Thin small package: 56-pin QFN (8 mm
×
8 mm)
Applications
Network equipment
Telecommunications equipment
Servers
POL modules
Typical Characteristic Curve
75
80
85
90
95
0
5
10
15
20
25
30
35
E
Iout (A)
VIN = 12 V
VOUT = 1.8 V
L = 440 nH
CO = 600
μ
F
Frequency = 500 kHz
No airflow
Ta = 27
°
C
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| R2J20701NP#10 | 制造商:Renesas Electronics Corporation 功能描述:R2J20701NP#10 - Bulk |
| R2J20701NP#G0 | 功能描述:IC REG CTRLR BUCK PWM CM 56-QFN RoHS:是 類別: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:4,500 系列:PowerWise® PWM 型:控制器 輸出數(shù):1 頻率 - 最大:1MHz 占空比:95% 電源電壓:2.8 V ~ 5.5 V 降壓:是 升壓:無 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:無 工作溫度:-40°C ~ 125°C 封裝/外殼:6-WDFN 裸露焊盤 包裝:帶卷 (TR) 配用:LM1771EVAL-ND - BOARD EVALUATION LM1771 其它名稱:LM1771SSDX |
| R2J20701NP_08 | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:Peak Current Mode Synchronous Buck Controller with Power MOS FETs |
| R2J20702NP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:Peak Current Mode Synchronous Buck Controller with Power MOS FETs |
| R2J20702NP-G3 | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:Peak Current Mode Synchronous Buck Controller with Power MOS FETs |
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