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參數(shù)資料
| 型號： | ISL6269 |
| 廠商： | Intersil Corporation |
| 英文描述： | Single Phase PWM Controller for Mobile Graphical Processing Unit (GPU) |
| 中文描述： | 單相PWM控制器，移動圖形處理單元（GPU） |
| 文件頁數(shù)： | 6/17頁 |
| 文件大?。?/td> | 395K |
| 代理商： | ISL6269 |
6
FN9177.0
June 14, 2005
BOOT Pin-13 (Input)
The BOOT pin is the input voltage for the high-side MOSFET
gate driver UG. An MLCC capacitor C
BOOT
is connected
between the BOOT pin and the PHASE pin, the return
current path for the UG MOSFET driver. Capacitor C
BOOT
is
charged from the voltage source at the PVCC pin via the
internal diode D
BOOT
each time the PHASE pin drops below
PVCC minus diode D
BOOT
forward voltage drop V
F
.
UG Pin-14 (Output)
The UG pin is the output of the high-side MOSFET gate
driver. Connect to the gate of the high-side MOSFET.
PHASE Pin-15 (Input)
The PHASE pin is the return current path for the UG
MOSFET driver. The PHASE pin also measures the polarity
of the low-side MOSFET drain voltage for the diode
emulation function. Connect the PHASE pin to the node
consisting of the high-side MOSFET source, the low-side
MOSFET drain, and the output inductor. Refer to
Figure 1,
Typical Application Schematic
.
PGOOD Pin-16 (Output)
The PGOOD pin is an open-drain output that is high
impedance when the converter is in regulation, or when the
EN pin is pulled below the falling threshold voltage V
ENTHF
.
The PGOOD pin has three distinct pull-down impedances
that correspond to an OVP fault, OCP/SCP, or UVP and soft-
start. Connect the PGOOD pin to a pull-up resistor.
ISL6269
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ISL6269_06 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:High-Performance Notebook PWM Controller with Bias Regulator and Audio-Frequency Clamp |
| ISL6269A | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:High-Performance Notebook PWM Controller |
| ISL6269ACRZ | 功能描述:IC REG CTRLR BUCK PWM 16-QFN RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:Robust Ripple Regulator™ (R³) 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- PWM 型:電流模式 輸出數(shù):1 頻率 - 最大:275kHz 占空比:50% 電源電壓:18 V ~ 110 V 降壓:無 升壓:無 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:是 工作溫度:-40°C ~ 85°C 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 包裝:帶卷 (TR) |
| ISL6269ACRZ-T | 功能描述:IC REG CTRLR BUCK PWM 16-QFN RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:Robust Ripple Regulator™ (R³) 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- PWM 型:電流模式 輸出數(shù):1 頻率 - 最大:275kHz 占空比:50% 電源電壓:18 V ~ 110 V 降壓:無 升壓:無 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:是 工作溫度:-40°C ~ 85°C 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 包裝:帶卷 (TR) |
| ISL6269ACRZ-TR5453 | 制造商:Intersil Corporation 功能描述:STD. ISL6269ACRZ-T WITH GOLD BOND WIRE ONLY, T&R - Tape and Reel |
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