- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄384524 > ISL6269A (Intersil Corporation) High-Performance Notebook PWM Controller(高性能筆記本PWM控制器) PDF資料下載
參數(shù)資料
| 型號： | ISL6269A |
| 廠商： | Intersil Corporation |
| 英文描述： | High-Performance Notebook PWM Controller(高性能筆記本PWM控制器) |
| 中文描述： | 高性能筆記本PWM控制器（高性能筆記本的PWM控制器） |
| 文件頁數(shù)： | 1/14頁 |
| 文件大小： | 313K |
| 代理商： | ISL6269A |
1
FN9253.2
ISL6269A
High-Performance Notebook PWM
Controller
The ISL6269A IC is a Single-Phase Synchronous-Buck
PWM controller featuring Intersil's Robust Ripple Regulator
(R
3
) technology that delivers truly superior dynamic
response to input voltage and output load transients.
Integrated MOSFET drivers and bootstrap diode result in
fewer components and smaller implementation area.
Intersil’s R
3
technology combines the best features of fixed-
frequency PWM and hysteretic PWM while eliminating many
of their shortcomings. R
3
technology employs an innovative
modulator that synthesizes an AC ripple voltage signal V
R
,
analogous to the output inductor ripple current. The AC
signal V
R
enters a window comparator where the lower
threshold is the error amplifier output V
COMP
, and the upper
threshold is a programmable voltage reference V
W,
resulting
in generation of the PWM signal. The voltage reference V
W
sets the steady-state PWM frequency. Both edges of the
PWM can be modulated in response to input voltage
transients and output load transients, much faster than
conventional fixed-frequency PWM controllers. Unlike a
conventional hysteretic converter, the ISL6269A has an error
amplifier that provides ±1% voltage regulation at the FB pin.
The ISL6269A has a 1.5ms digital soft-start and can be
started into a pre-biased output voltage. A resistor divider is
used to program the output voltage setpoint. The ISL6269A
can be configured to operate in continuous-conduction-
mode (CCM) or diode-emulation-mode (DEM), which
improves light-load efficiency. In CCM the controller always
operates as a synchronous rectifier however, when DEM is
enabled the low-side MOSFET is permitted to stay off,
blocking negative current flow into the low-side MOSFET
from the output inductor.
Pinout
ISL6269A
(16 LD 4x4 QFN)
TOP VIEW
Features
High performance R
3
technology
Fast transient response
±1% regulation accuracy: -10°C to +100°C and
-40°C to +100°C
Wide input voltage range: +5.0V to +25.0V
Output voltage range: +0.6V to +3.3V
Wide output load range: 0A to 25A
Selectable diode emulation mode for increased light load
efficiency
Programmable PWM frequency: 200kHz to 600kHz
Pre-biased output start-up capability
Integrated MOSFET drivers and bootstrap diode
Internal digital soft-start
Power good monitor
Fault protection
- Undervoltage protection
- Soft crowbar overvoltage protection
- Low-side MOSFET r
DS(ON)
overcurrent protection
- Over-temperature protection
- Fault identification by PGOOD pull down resistance
Pb-free plus anneal available (RoHS compliant)
Applications
PCI express graphical processing unit
Auxiliary power rail
VRM
Network adapter
1
3
4
15
16
14
13
2
12
10
9
11
6
5
7
8
GND
B
P
U
P
V
C
F
F
ISEN
PVCC
PGND
LG
EN
VIN
FCCM
VCC
Ordering Information
PART NUMBER
(Note)
PART
MARKING
TEMP
RANGE
(°C)
PACKAGE
(Pb-free)
PKG.
DWG. #
ISL6269ACRZ*
62 69ACRZ -10 to +100 16 Ld 4x4 QFN L16.4x4
ISL6269AIRZ*
62 69AIRZ
-40 to +100 16 Ld 4x4 QFN L16.4x4
*Add “-T” suffix for tape and reel.
NOTE: Intersil Pb-free plus anneal products employ special Pb-free
material sets; molding compounds/die attach materials and 100%
matte tin plate termination finish, which are RoHS compliant and
compatible with both SnPb and Pb-free soldering operations. Intersil
Pb-free products are MSL classified at Pb-free peak reflow
temperatures that meet or exceed the Pb-free requirements of
IPC/JEDEC J STD-020.
Data Sheet
May 30, 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 |
|---|---|
| ISL6271ACRZ | Integrated XScale Regulator |
| ISL6271ACRZ-T | Integrated XScale Regulator |
| ISL6271A | Integrated XScale Regulator |
| ISL6271ACR | Integrated XScale Regulator |
| ISL6271ACR-T | Integrated XScale Regulator |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| 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(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(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 |
| ISL6269AEVAL2 | 制造商:Intersil Corporation 功能描述:ISL6269A EVALUATION BOARD 2 - Bulk |
| ISL6269AEVAL2Z | 功能描述:EVALUATION BOARD FOR ISL6269A RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - DC/DC 與 AC/DC（離線）SMPS 系列:Robust Ripple Regulator™ (R³) 產(chǎn)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(wěn)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 |
發(fā)布緊急采購，3分鐘左右您將得到回復。