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ISL6416

Data Sheet

November 3, 2004

FN9193.0

Triple Output, Low-Noise LDO Regulator

with Integrated Reset Circuit

The ISL6416 is an ultra low noise triple output LDO regulator

with microprocessor reset circuit and is optimized for

powering wireless chip sets. The IC accepts an input voltage

range of 3.0V to 3.6V and provides three regulated output

voltages: 1.8V (LDO1), 2.8V (LDO2), and another ultra-clean

2.8V (LDO3). On chip logic provides sequencing between

LDO1 and LDO2 for the BBP/MAC and the I/O supply

voltage outputs. LDO3 features ultra low noise that does not

exceed 30µV

RMS

(typical) to aid VCO stability. High

integration makes the ISL6416 an ideal choice to power

many of today’s small form factor industry standard wireless

cards such as PCMCIA, mini-PCI and Cardbus-32.

The ISL6416 uses an internal PMOS transistor as the pass

device. The ISL6416 also integrates a reset function, which

eliminates the need for the 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. FAULT indicates the loss of

regulation on LDO1.

Features

• Three LDOs and a RESET circuit

• High Output Current

- LDO1, 1.8V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 330mA

- LDO2, 2.8V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 225mA

- LDO3, 2.8V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125mA

• Low Output Voltage Noise

- <30µV

RMS

(typical) for LDO3 (VCO Supply)

• Stable with Small Ceramic Output Capacitors

• Extensive Protection and Monitoring Features

- Overcurrent protection

- Short circuit protection

- Thermal shutdown

- FAULT indicator

• Logic-Controlled Shutdown Pin

• Integrated Microprocessor Reset Circuit

- Programmable Reset Delay

• Proven Reference Design for a Total WLAN System

Solution

• Pb-Free Available (RoHS Compliant)

Ordering Information

PART NUMBER

ISL6416IA

ISL6416IAZ (Note 1)

NOTES:

1. Tape and Reel available. Add “-T” suffix for Tape and Reel

Packing Option.

2. 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-020C.

TEMP.

RANGE (°C)

-40 to +85

PACKAGE

16 Ld QSOP

(Pb-free)

PKG.

DWG. #

M16.15A

Applications

• WLAN Cards

- PCMCIA, Cardbus32, MiniPCI Cards

- Compact Flash Cards

• Hand-Held Instruments

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.

All other trademarks mentioned are the property of their respective owners.

ISL6416

Pinout and Typical Application Schematic

ISL6416 (QSOP)

TOP VIEW

FAULT

1 FAULT

2 NC

RESET

3 RESET

4 CT

SHDN

VOUT3

+2.8V

5 SHDN

6 NC

10µF

7 VOUT3

0.01µF

8 CC3

0.033µF

VIN 16

VIN 15

VOUT1 14

CC1 13

VOUT2 12

CC2 11

GND 10

GND 9

0.033µF

+3.3V

VOUT1

+1.8V

VOUT2

+2.8V

10µF

Typical Bill Of Materials

REFERENCE

DESIGNATOR

C1, C2, C3, C4

C5, C6, C7

VALUE

10µF, X7R

0.033µF, X7R

0.01µF, X7R

ISL6416IA

PACKAGE

1206

0603

QSOP16

MANUFACTURER

TDK

TDK/ANY

Intersil

MANUFACTURER’S

PART NUMBER

C3216X7R1A106M

C1608X7R1A333K

C1608X7R1A103K

ISL6416IA

FN9193.0

November 3, 2004

ISL6416

Shrink Small Outline Plastic Packages (SSOP)

Quarter Size Outline Plastic Packages (QSOP)

INDEX

AREA

-B-

SEATING PLANE

-A-

-C-

0.25

0.010

h x 45°

GAUGE

PLANE

0.25(0.010) M

B M

M16.15A

16 LEAD SHRINK SMALL OUTLINE PLASTIC PACKAGE

(0.150” WIDE BODY)

INCHES

SYMBOL

0.10(0.004)

C A M

B S

MILLIMETERS

MIN

1.55

0.102

1.40

0.20

0.191

4.80

3.81

5.84

0.25

0.41

8°

0°

8°

MAX

1.73

0.249

1.55

0.31

0.249

4.98

3.99

6.20

0.41

0.89

NOTES

Rev. 2 6/04

MIN

0.061

0.004

0.055

0.008

0.0075

0.189

0.150

0.230

0.010

0.016

0°

MAX

0.068

0.0098

0.061

0.012

0.0098

0.196

0.157

0.244

0.016

0.035

0.17(0.007) M

0.025 BSC

0.635 BSC

NOTES:

1. Symbols are defined in the “MO Series Symbol List” in Section

2.2 of Publication Number 95.

2. Dimensioning and tolerancing per ANSI Y14.5M-1982.

3. Dimension “D” does not include mold flash, protrusions or gate

burrs. Mold flash, protrusion and gate burrs shall not exceed

0.15mm (0.006 inch) per side.

4. Dimension “E” does not include interlead flash or protrusions.

Interlead flash and protrusions shall not exceed 0.25mm (0.010

inch) per side.

5. The chamfer on the body is optional. If it is not present, a visual

index feature must be located within the crosshatched area.

6. “L” is the length of terminal for soldering to a substrate.

7. “N” is the number of terminal positions.

8. Terminal numbers are shown for reference only.

9. Dimension “B” does not include dambar protrusion. Allowable

dambar protrusion shall be 0.10mm (0.004 inch) total in excess

of “B” dimension at maximum material condition.

10. Controlling dimension: INCHES. Converted millimeter dimen-

sions are not necessarily exact.

All Intersil U.S. products are manufactured, assembled and tested utilizing ISO9000 quality systems.

Intersil Corporation’s quality certifications can be viewed at www.intersil.com/design/quality

Intersil products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design, software and/or specifications at any time without

notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and

reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result

from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries.

For information regarding Intersil Corporation and its products, see www.intersil.com

FN9193.0

November 3, 2004

ISL6416

Triple Output, Low-Noise LDO Regulator with Integrated Reset Circuit

Datasheets,

Related Docs

& Simulations

Description

Key

Features

Parametric

Data

Printer Friendly Version

Application

Diagrams

Devices

Ordering Information

Part No.

ISL6416IA

ISL6416IA-TK

ISL6416IAZ

ISL6416IAZ-TK

Design-In

Status Temp.

Active

Ind

Package

16 Ld QSOP

16 Ld QSOP T+R

16 Ld QSOP

16 Ld QSOP T+R

Price

MSL US $

1.36

The price listed is the manufacturer's suggested retail price for quantities between 100 and

999 units. However, prices in today's market are fluid and may change without notice.

MSL

= Moisture Sensitivity Level - per IPC/JEDEC J-STD-020

SMD

= Standard Microcircuit Drawing

Description

The ISL6416 is an ultra low noise triple output LDO regulator with microprocessor reset circuit and

is optimized for powering wireless chip sets. The IC accepts an input voltage range of 3.0V to 3.6V

and provides three regulated output voltages: 1.8V (LDO1), 2.8V (LDO2), and another ultra-clean

2.8V (LDO3). On chip logic provides sequencing between LDO1 and LDO2 for the BBP/MAC and

the I/O supply voltage outputs. LDO3 features ultra low noise that does not exceed 30µVRMS

(typical) to aid VCO stability. High integration makes the ISL6416 an ideal choice to power many of

today’s small form factor industry standard wireless cards such as PCMCIA, mini-PCI and

Cardbus-32.

The ISL6416 uses an internal PMOS transistor as the pass device. The ISL6416 also integrates a

reset function, which eliminates the need for the 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. FAULT indicates

the loss of regulation on LDO1.

Key Features

Three LDOs and a RESET circuit

High Output Current

LDO1, 1.8V 330mA

LDO2, 2.8V 225mA

LDO3, 2.8V 125mA

Low Output Voltage Noise

<30µVRMS (typical) for LDO3 (VCO Supply)

Stable with Small Ceramic Output Capacitors

Extensive Protection and Monitoring Features

Overcurrent protection

Short circuit protection

Thermal shutdown

FAULT indicator

Logic-Controlled Shutdown Pin

Integrated Microprocessor Reset Circuit

Programmable Reset Delay

Proven Reference Design for a Total WLAN System Solution

Pb-Free Available (RoHS Compliant)

型号	ISL6416IA-TK	ISL6416IA
描述	TRIPLE OUTPUT, FIXED POSITIVE LDO REGULATOR, PDSO16, 0.150 INCH, PLASTIC, SSOP-16	TRIPLE OUTPUT, FIXED POSITIVE LDO REGULATOR, PDSO16, 0.150 INCH, PLASTIC, SSOP-16
是否无铅	含铅	含铅
是否Rohs认证	不符合	不符合
厂商名称	Rochester Electronics	Rochester Electronics
零件包装代码	SOIC	SOIC
包装说明	SSOP,	SSOP,
针数	16	16
Reach Compliance Code	unknown	unknown
最大输入电压	3.6 V	3.6 V
最小输入电压	3 V	3 V
JESD-30 代码	R-PDSO-G16	R-PDSO-G16
JESD-609代码	e0	e0
长度	4.89 mm	4.89 mm
湿度敏感等级	2	2
功能数量	1	1
输出次数	3	3
端子数量	16	16
最大输出电流 1	0.33 A	0.33 A
最大输出电流 2	0.225 A	0.225 A
标称输出电压 1	1.8 V	1.8 V
标称输出电压 2	2.8 V	2.8 V
封装主体材料	PLASTIC/EPOXY	PLASTIC/EPOXY
封装代码	SSOP	SSOP
封装形状	RECTANGULAR	RECTANGULAR
封装形式	SMALL OUTLINE, SHRINK PITCH	SMALL OUTLINE, SHRINK PITCH
峰值回流温度（摄氏度）	240	240
认证状态	COMMERCIAL	COMMERCIAL
调节器类型	FIXED POSITIVE MULTIPLE OUTPUT LDO REGULATOR	FIXED POSITIVE MULTIPLE OUTPUT LDO REGULATOR
座面最大高度	1.73 mm	1.73 mm
表面贴装	YES	YES
技术	PMOS	PMOS
端子面层	TIN LEAD	TIN LEAD
端子形式	GULL WING	GULL WING
端子节距	0.635 mm	0.635 mm
端子位置	DUAL	DUAL
处于峰值回流温度下的最长时间	NOT SPECIFIED	NOT SPECIFIED
宽度	3.9 mm	3.9 mm