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| 型號(hào)： | ISL6415IR-TK |
| 廠商： | Intersil Corporation |
| 英文描述： | Triple Output Regulator with Single Synchronous Buck and Dual LDO |
| 中文描述： | 三單和雙同步降壓穩(wěn)壓器LDO輸出 |
| 文件頁(yè)數(shù)： | 1/2頁(yè) |
| 文件大小： | 117K |
| 代理商： | ISL6415IR-TK |
1
FN9145.0
PRELIMINARY
ISL6415
Triple Output Regulator with Single
Synchronous Buck and Dual LDO
The ISL6415 is a highly integrated triple output regulator
which provides a single chip solution for wireless chipset
power management. The device integrates a high efficiency
synchronous buck regulator with two ultra low noise LDO
regulators. The IC accepts an input voltage range of 3.0V to
3.6V and provides three regulated output voltages: 1.2V
(PWM), 1.8V (LDO1), and another ultra-clean 1.8V (LDO2).
The Synchronous current mode PWM regulator with
integrated N- and P- channel power MOSFET provides pre-
set 1.2V for BBP/MAC core supply. Synchronous
rectification with internal MOSFETs is used to achieve higher
efficiency and reduced number of external components.
Operating frequency is typically 750kHz allowing the use of
smaller inductor and capacitor values. The device can be
synchronized to an external clock signal in the range of
500kHz to 1MHz. The PG_PWM output indicates loss of
regulation on PWM output.
The ISL6415 also has two LDO regulators which use an
internal PMOS transistor as the pass device. LDO2 features
ultra low noise that does not typically exceed 30μV RMS to
aid VCO stability. The EN_LDO pin controls LDO1 and
LDO2 outputs. The ISL6415 also integrates a RESET
function, which eliminates the need for additional RESET IC
required in WLAN applications. The IC asserts a RESET
signal whenever the VIN supply voltage drops below a
preset threshold, keeping it asserted for at least 25ms after
VIN has risen above the reset threshold. The PG_LDO
output indicates loss of regulation on either of the two LDO
outputs. Other features include overcurrent protection for all
three outputs and thermal shutdown.
High integration and the thin Quad Flat No-lead (QFN)
package makes ISL6415 an ideal choice to power many of
today’s small form factor industry standard wireless cards
such as PCMCIA, mini-PCI and Cardbus-32.
Features
Fully Integrated Synchronous Buck Regulator + Dual LDO
High Output Current (For QFN package)
- PWM, 1.2V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 400mA
- LDO1, 1.8V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300mA
- LDO2, 1.8V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200mA
Ultra-Compact DC-DC Converter Design
Stable with Small Ceramic Output Capacitors
High Conversion Efficiency
Low Shutdown Supply Current
Ultra-Low Dropout Voltage for LDOs
- LDO1, 1.8V. . . . . . . . . . . . . . . . 125mV (typ.) at 300mA
- LDO2, 1.8V. . . . . . . . . . . . . . . . 100mV (typ.) at 200mA
Ultra-Low Output Voltage Noise
- <30
μ
V
RMS
(typ.) for LDO2 (VCO Supply)
PG_LDO, PG_PWM and PG_PWM outputs
Extensive Circuit Protection and Monitoring Features
- Overvoltage protection
- Overcurrent protection
- Shutdown
- Thermal Shutdown
Integrated RESET output for microprocessor reset
Proven Reference Design for Total WLAN System
Solution
QFN Package
- Compliant to JEDEC PUB95 MO-220 QFN - Quad Flat
No Leads - Product Outline
- Near Chip-Scale Package Footprint Improves PCB
Efficiency and Is Thinner in Profile
Pb-Free Available (RoHS Compliant)
Applications
WLAN Cards
- PCMCIA, Cardbus-32, Mini-PCI Cards
- Compact Flash Cards
Liberty Chipset
Hand-Held Instruments
Related Literature
TB363 - Guidelines for Handling and Processing Moisture
Sensitive Surface Mount Devices (SMDs)
TB389 - PCB Land Pattern Design and Surface Mount
Guidelines for QFN Packages
Ordering Information
PART NUMBER*
TEMP.
RANGE (°C)
PACKAGE
PKG.
DWG. #
ISL6415IR
-40 to 85
24 Ld QFN
L24.4x4B
ISL6415IRZ (Note)
-40 to 85
24 Ld QFN (Pb-free) L24.4x4B
*For tape and reel, add “-TK” or “-T5K” suffix.
NOTE: Intersil Pb-free 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
December 27, 2004
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143
Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2004. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
Final pinout and specifications are subject to change.
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| ISL6416IA | 功能描述:IC REG LDO 1.8V/2.8V/2.8V 16QSOP RoHS:否 類(lèi)別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 標(biāo)準(zhǔn)包裝:3,000 系列:- 穩(wěn)壓器拓?fù)浣Y(jié)構(gòu):正，可調(diào)式 輸出電壓:1.2 V ~ 5.5 V 輸入電壓:1.7 V ~ 5.5 V 電壓 - 壓降（標(biāo)準(zhǔn)）:0.075V @ 400mA 穩(wěn)壓器數(shù)量:1 電流 - 輸出:400mA（最小值） 電流 - 限制（最小）:400mA 工作溫度:-55°C ~ 125°C 安裝類(lèi)型:表面貼裝 封裝/外殼:SC-74A，SOT-753 供應(yīng)商設(shè)備封裝:SOT-23-5 包裝:帶卷 (TR) 其它名稱(chēng):296-20789-2V62/06626-01XE |
| ISL6416IA-TK | 功能描述:IC REG LDO 1.8V/2.8V/2.8V 16QSOP RoHS:否 類(lèi)別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 標(biāo)準(zhǔn)包裝:3,000 系列:- 穩(wěn)壓器拓?fù)浣Y(jié)構(gòu):正，可調(diào)式 輸出電壓:1.2 V ~ 5.5 V 輸入電壓:1.7 V ~ 5.5 V 電壓 - 壓降（標(biāo)準(zhǔn)）:0.075V @ 400mA 穩(wěn)壓器數(shù)量:1 電流 - 輸出:400mA（最小值） 電流 - 限制（最?。?400mA 工作溫度:-55°C ~ 125°C 安裝類(lèi)型:表面貼裝 封裝/外殼:SC-74A，SOT-753 供應(yīng)商設(shè)備封裝:SOT-23-5 包裝:帶卷 (TR) 其它名稱(chēng):296-20789-2V62/06626-01XE |
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| ISL6420AEVAL1Z | 功能描述:EVALUATION BOARD FOR ISL6240A RoHS:是 類(lèi)別:編程器，開(kāi)發(fā)系統(tǒng) >> 評(píng)估板 - DC/DC 與 AC/DC（離線）SMPS 系列:- 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:True Shutdown™ 主要目的:DC/DC，步升 輸出及類(lèi)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?fù)浣Y(jié)構(gòu):升壓 頻率 - 開(kāi)關(guān):3MHz 板類(lèi)型:完全填充 已供物品:板 已用 IC / 零件:MAX8969 |
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