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參數資料
型號: ISL8845AMUZ
廠商: INTERSIL CORP
元件分類: 穩壓器
英文描述: High Performance Industry Standard Single-Ended Current Mode PWM Controller
中文描述: 1 A SWITCHING REGULATOR, 2000 kHz SWITCHING FREQ-MAX, PDSO8
封裝: ROHS COMPLIANT, PLASTIC, MO-187AA, MSOP-8
文件頁數: 1/15頁
文件大小: 313K
代理商: ISL8845AMUZ
1
FN6320.3
ISL8840A, ISL8841A, ISL8842A,
ISL8843A, ISL8844A, ISL8845A
High Performance Industry Standard
Single-Ended Current Mode PWM
Controller
The ISL884xA is a high performance drop-in replacement for
the popular 28C4x and 18C4x PWM controllers suitable for a
wide range of power conversion applications including
boost, flyback, and isolated output configurations. Its fast
signal propagation and output switching characteristics
make this an ideal product for existing and new designs.
Features include 30V operation, low operating current, 90
μ
A
start-up current, adjustable operating frequency to 2MHz,
and high peak current drive capability with 20ns rise and fall
times.
Pinout
ISL8840A, ISL8841A, ISL8842A, ISL8843A, ISL8844A, ISL8845A
(8 LD SOIC, MSOP)
TOP VIEW
Features
1A MOSFET gate driver
90
μ
A start-up current, 125
μ
A maximum
35ns propagation delay current sense to output
Fast transient response with peak current mode control
30V operation
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
1.5MHz bandwidth error amplifier
Tight tolerance voltage reference over line, load and
temperature
±3% current limit threshold
Pb-free plus anneal available
and ELV, WEEE, 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
PART NUMBER
RISING UVLO
MAX. DUTY CYCLE
ISL8840A
7.0
100%
ISL8841A
7.0
50%
ISL8842A
14.4V
100%
ISL8843A
8.4V
100%
ISL8844A
14.4V
50%
ISL8845A
8.4V
50%
COMP
FB
RTCT
VREF
VDD
OUT
GND
1
2
3
4
8
CS
7
6
5
Data Sheet
April 18, 2007
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. 2005, 2006, 2007. All Rights Reserved.
All other trademarks mentioned are the property of their respective owners.
相關PDF資料
PDF描述
ISL88705(中文) μP Supervisor with Watchdog Timer,Power-Fail Comparator, Manual Reset and Adjustable Power-On Reset(帶看門狗定時器,電源故障比較器,手動復位和可調式上電復位功能的微處理器監控電路)
ISL88706(中文) μP Supervisor with Watchdog Timer,Power-Fail Comparator, Manual Reset and Adjustable Power-On Reset(帶看門狗定時器,電源故障比較器,手動復位和可調式上電復位功能的微處理器監控電路)
ISL88707(中文) μP Supervisor with Watchdog Timer,Power-Fail Comparator, Manual Reset and Adjustable Power-On Reset(帶看門狗定時器,電源故障比較器,手動復位和可調式上電復位功能的微處理器監控電路)
ISL88708(中文) μP Supervisor with Watchdog Timer,Power-Fail Comparator, Manual Reset and Adjustable Power-On Reset(帶看門狗定時器,電源故障比較器,手動復位和可調式上電復位功能的微處理器監控電路)
ISL88716(中文) μP Supervisor with Watchdog Timer,Power-Fail Comparator, Manual Reset and Adjustable Power-On Reset(帶看門狗定時器,電源故障比較器,手動復位和可調式上電復位功能的微處理器監控電路)
相關代理商/技術參數
參數描述
ISL8845AMUZ-T 功能描述:IC REG CTRLR BST FLYBK ISO 8MSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩壓器 - DC DC 切換控制器 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:- PWM 型:電流模式 輸出數: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)
ISL88550AEVAL1 功能描述:EVALUATION BOARD 1 ISL88550A RoHS:否 類別:編程器,開發系統 >> 過時/停產零件編號 系列:- 標準包裝:1 系列:- 傳感器類型:CMOS 成像,彩色(RGB) 傳感范圍:WVGA 接口:I²C 靈敏度:60 fps 電源電壓:5.7 V ~ 6.3 V 嵌入式:否 已供物品:成像器板 已用 IC / 零件:KAC-00401 相關產品:4H2099-ND - SENSOR IMAGE WVGA COLOR 48-PQFP4H2094-ND - SENSOR IMAGE WVGA MONO 48-PQFP
ISL88550AEVAL1Z 功能描述:EVALUATION BOARD 1 ISL88550A RoHS:是 類別:編程器,開發系統 >> 評估板 - DC/DC 與 AC/DC(離線)SMPS 系列:- 產品培訓模塊:Obsolescence Mitigation Program 標準包裝:1 系列:True Shutdown™ 主要目的:DC/DC,步升 輸出及類型:1,非隔離 功率 - 輸出:- 輸出電壓:- 電流 - 輸出:1A 輸入電壓:2.5 V ~ 5.5 V 穩壓器拓撲結構:升壓 頻率 - 開關:3MHz 板類型:完全填充 已供物品:板 已用 IC / 零件:MAX8969
ISL88550AIRZ 功能描述:電壓模式 PWM 控制器 INTEGRTD DDR PWR CNT RLR 2 8LD 5X5 TQFN RoHS:否 制造商:Texas Instruments 輸出端數量:1 拓撲結構:Buck 輸出電壓:34 V 輸出電流: 開關頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel
ISL88550AIRZ-T 功能描述:DC/DC 開關控制器 INTEGRTD DDR PWR CNT RLR 2 8LD 5X5 TQFN RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK
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