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參數(shù)資料
| 型號： | ISL6844IRZ-T |
| 廠商： | INTERSIL CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | RES POWER .200 OHM 3.5W 5% SMT |
| 中文描述： | 1 A SWITCHING CONTROLLER, 2000 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | 2 X 3 MM, ROHS COMPLIANT, PLASTIC, DFN-8 |
| 文件頁數(shù)： | 1/11頁 |
| 文件大?。?/td> | 307K |
| 代理商： | ISL6844IRZ-T |
1
FN9124.6
ISL6840, ISL6841, ISL6842,
ISL6843, ISL6844, ISL6845
Improved Industry Standard Single-Ended
Current Mode PWM Controller
The ISL6840, ISL6841, ISL6842, ISL6843, ISL6844,
ISL6845 family of adjustable frequency, low power, pulse
width modulating (PWM) current mode controllers is
designed for a wide range of power conversion applications
including boost, flyback, and isolated output configurations.
Peak current mode control effectively handles power
transients and provides inherent overcurrent protection.
This advanced BiCMOS design is pin compatible with the
industry standard 384x family of controllers and offers
significantly improved performance. Features include low
operating current, 60
μ
A start-up current, adjustable
operating frequency to 2MHz, and high peak current drive
capability with 20ns rise and fall times.
Features
1A MOSFET gate driver
60
μ
A startup current, 100
μ
A maximum
25ns propagation delay current sense to output
Fast transient response with peak current mode control
Adjustable switching frequency to 2MHz
20ns rise and fall times with 1nF output load
Trimmed timing capacitor discharge current for accurate
deadtime/maximum duty cycle control
High bandwidth error amplifier
Tight tolerance voltage reference over line, load, and
temperature
Tight tolerance current limit threshold
Pb-Free Plus Anneal Available (RoHS Compliant)
Applications
Telecom and Datacom Power
Wireless Base Station Power
File Server Power
Industrial Power Systems
PC Power Supplies
Isolated Buck and Flyback Regulators
Boost Regulators
Pinout
ISL6840, ISL6841, ISL6842, ISL6843, ISL6844, ISL6845
8-PIN SOIC, MSOP
TOP VIEW
DFN 8 LEAD
TOP VIEW
PART NUMBER
RISING UVLO
MAX. DUTY CYCLE
ISL6840
7.0
100%
ISL6841
7.0
50%
ISL6842
14.4V
100%
ISL6843
8.4V
100%
ISL6844
14.4V
50%
ISL6845
8.4V
50%
COMP
FB
RTCT
VREF
VDD
OUT
GND
1
2
3
4
8
CS
7
6
5
2
3
4
1
7
6
5
8
COMP
FB
CS
RTCT
VREF
VDD
OUT
GND
Data Sheet
June 28, 2005
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774
Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2004, 2005. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ISL6840IBZ | Improved Industry Standard Single-Ended Current Mode PWM Controller |
| ISL6841IUZ | Improved Industry Standard Single-Ended Current Mode PWM Controller |
| ISL6842IUZ | Aluminum Electrolytic Capacitor; Capacitor Type:General Purpose; Voltage Rating:25VDC; Capacitor Dielectric Material:Aluminum Electrolytic; Operating Temperature Range:-40 C to C; Body Diameter:8mm; Body Length:10.2mm RoHS Compliant: Yes |
| ISL6843IRZ-T | OSCILLATORS 50PPM 0+70 1.8V 4 40.000MHZ TS HCMOS 5X7MM 4PAD SMD |
| ISL6843IUZ | Improved Industry Standard Single-Ended Current Mode PWM Controller |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ISL6844IU | 功能描述:IC REG CTRLR BST FLYBK ISO 8MSOP RoHS:否 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:2,500 系列:- PWM 型:電流模式 輸出數(shù):1 頻率 - 最大:500kHz 占空比:100% 電源電壓:8.2 V ~ 30 V 降壓:無 升壓:無 回掃:是 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:是 工作溫度:0°C ~ 70°C 封裝/外殼:8-DIP（0.300"，7.62mm） 包裝:管件 產(chǎn)品目錄頁面:1316 (CN2011-ZH PDF) |
| ISL6844IU-T | 功能描述:IC REG CTRLR BST FLYBK ISO 8MSOP RoHS:否 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:2,500 系列:- PWM 型:電流模式 輸出數(shù):1 頻率 - 最大:500kHz 占空比:100% 電源電壓:8.2 V ~ 30 V 降壓:無 升壓:無 回掃:是 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:是 工作溫度:0°C ~ 70°C 封裝/外殼:8-DIP（0.300"，7.62mm） 包裝:管件 產(chǎn)品目錄頁面:1316 (CN2011-ZH PDF) |
| ISL6844IUZ | 功能描述:電流型 PWM 控制器 CUR MODE PWM 50% DUT Y CYCLE 14.5V UVLO RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| ISL6844IUZ-T | 功能描述:IC REG CTRLR BST FLYBK ISO 8MSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 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) |
| ISL6845IB | 功能描述:電流型 PWM 控制器 Single-End Current RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
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