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ISL62386 の電気的特性と機能

ISL62386のメーカーはIntersil Corporationです、この部品の機能は「Quad Output System Power Supply Controller」です。


製品の詳細 ( Datasheet PDF )

部品番号 ISL62386
部品説明 Quad Output System Power Supply Controller
メーカ Intersil Corporation
ロゴ Intersil Corporation ロゴ 




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ISL62386 Datasheet, ISL62386 PDF,ピン配置, 機能
www.DataSheet4U.com
®
Data Sheet
February 4, 2009
ISL62386
FN6831.0
High-Efficiency, Quad Output System
Power Supply Controller for Notebook
Computers
The ISL62386 controller generates supply voltages for
battery-powered systems. The ISL62386 includes two
pulse-width modulation (PWM) controllers, adjustable from
0.6V to 5.5V, and two linear regulators, LDO5 and LDO3,
that generate a fixed 5V output and a fixed 3.3V output
respectively. Each can deliver up to 100mA. The Channel 2
switching regulator will automatically take over the LDO5
load when programmed to 5V output. This provides a large
power saving and boosts efficiency. The ISL62386 includes
on-board power-up sequencing, one power-good (PGOOD)
output, digital soft-start, and an internal soft-stop output
discharge that prevents negative voltages on shutdown.
The patented R3 PWM control scheme provides a low jitter
system with fast response to load transients. Light-load
efficiency is improved with period-stretching discontinuous
conduction mode (DCM) operation. To eliminate noise in
audio frequency applications, an ultrasonic DCM mode is
included, which limits the minimum switching frequency to
approximately 28kHz.
The ISL62386 is available in a 32 Ld 5x5 TQFN package,
and can operate over the extended temperature range
(-10°C to +100°C).
Ordering Information
PART
NUMBER
(Note)
PART
MARKING
TEMP
RANGE
(°C)
PACKAGE PKG.
(Pb-Free) DWG. #
ISL62386HRTZ 62386 HRTZ -10 to +100 32 Ld 5x5 TQFN L32.5x5A
ISL62386HRTZ-T* 62386 HRTZ -10 to +100 32 Ld 5x5 TQFN L32.5x5A
*Please refer to TB347 for details on reel specifications.
NOTE: These Intersil Pb-free plastic packaged products employ special
Pb-free material sets, molding compounds/die attach materials, and 100%
matte tin plate plus anneal (e3 termination finish, which is 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.
Features
• High Performance R3 Technology
• Fast Transient Response
• ±1% Output Voltage Accuracy: -10°C to +100°C
• Two Fully Programmable Switch-Mode Power Supplies
with Independent Operation
• Programmable Switching Frequency
• Integrated MOSFET Drivers and Bootstrap Diode
• Fixed +3.3V LDO Output with Enable Control
• Fixed +5V LDO with Automatic Switchover to SMPS2
• Internal Soft-Start and Soft-Stop Output Discharge
• Wide Input Voltage Range: +5.5V to +25V
• Full and Ultrasonic Pulse-Skipping Mode
• Power-Good Indicator
• Overvoltage, Undervoltage and Overcurrent Protection
• Thermal Monitor and Protection
• Pb-Free (RoHS Compliant)
Applications
• Notebook and Sub-Notebook Computers
• PDAs and Mobile Communication Devices
• 3-Cell and 4-Cell Li+ Battery-Powered Devices
• General Purpose Switching Buck Regulators
Pinout
ISL62386
(32 LD 5X5 TQFN)
TOP VIEW
32 31 30 29 28 27 26 25
PGOOD 1
24 BOOT2
FSET2 2
23 LGATE2
FCCM 3
22 PGND
AGND2 4
VCC 5
THERMAL PAD
(AGND)
21 LDO5
20 VIN
AGND1 6
19 LDO3
LDO3EN 7
18 LGATE1
FSET1 8
17 BOOT1
9 10 11 12 13 14 15 16
1 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. 2009. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.

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ISL62386 pdf, ピン配列
ISL62386
www.EDlaetacSthrieceat4lUS.cpoemcifications
These specifications apply for TA = -10°C to +100°C, unless otherwise noted. Typical values are at TA = +25°C,
VIN = 12V; Parameters with MIN and/or MAX limits are 100% tested at +25°C, unless otherwise specified.
Temperature limits established by characterization and are not production tested. (Continued)
PARAMETER
CONDITIONS
MIN TYP MAX UNITS
Reference Voltage (Note 3)
- 0.6 - V
Regulation Accuracy
FB Input Bias Current
VOUT regulated to 0.6V
FB = 0.6V
-1 - 1 %
-10 - 30 nA
Frequency Range
200 - 600 kHz
Frequency Set Accuracy (Note 4)
VOUT Voltage Regulation Range
VOUT Soft-Discharge Resistance
FSW = 300kHz
VIN > 6V for VOUT = 5.5V
-12 - 12 %
0.6 - 5.5 V
- 14 50 Ω
POWER-GOOD
PGOOD Pull-Down Impedance
(Note 3)
- 32 50 Ω
PGOOD Leakage Current
Maximum PGOOD Sink Current (Note 3)
PGOOD = VCC
- 0 1 µA
- 5 - mA
PGOOD Soft-start Delay
From EN1(2) = High, then from EN2(1) High to
PGOOD High
2.20
2.75 3.70
ms
From EN1(2) = Floating, then from EN2(1) High
to PGOOD High
4.50
5.60 7.50
ms
GATE DRIVER
UGATE Pull-Up ON-Resistance (Note 3)
200mA source current
-
1.0 1.5
Ω
UGATE Source Current (Note 3)
UGATE-PHASE = 2.5V
- 2.0 - A
UGATE Pull-Down ON-Resistance (Note 3)
250mA source current
-
1.0 1.5
Ω
UGATE Sink Current (Note 3)
UGATE-PHASE = 2.5V
- 2.0 - A
LGATE Pull-Up ON-Resistance (Note 3)
250mA source current
-
1.0 1.5
Ω
LGATE Source Current (Note 3)
LGATE-PGND = 2.5V
- 2.0 - A
LGATE Pull-Down ON-Resistance (Note 3)
250mA source current
-
0.5 0.9
Ω
LGATE Sink Current (Note 3)
LGATE-PGND = 2.5V
- 4.0 - A
UGATE to LGATE Deadtime (Note 3)
UG falling to LG rising, no load
- 21 - ns
LGATE to UGATE Deadtime (Note 3)
LG falling to UG rising, no load
- 21 - ns
Bootstrap Diode Forward Voltage (Note 3)
2mA forward diode current
- 0.58 -
V
Bootstrap Diode Reverse Leakage Current
CONTROL
VR = 25V
- 0.2 1 µA
FCCM Input Voltage
Low level (DCM enabled)
- - 0.8 V
Float level (DCM with audio filter)
1.9 - 2.1 V
High level (Forced CCM)
2.4 -
-V
FCCM Input Leakage Current
Audio Filter Switching Frequency (Note 3)
FCCM = GND or VCC
FCCM floating
-2 - 2 µA
- 28 - kHz
EN Input Voltage
Clear fault level/SMPS OFF level
- - 0.8 V
Delay start level
1.9 - 2.1 V
SMPS ON level
2.4 - - V
EN Input Leakage Current
ISEN Input Impedance (Note 3)
EN = GND or VCC
EN = VCC
-3.5 - 3.5 µA
- 600 - kΩ
3 FN6831.0
February 4, 2009


3Pages


ISL62386 電子部品, 半導体
ISL62386
www.TDaytapSihceaetl4UA.cpomplication Circuits The below typical application circuits generate the 1.05V/15A and 1.5V/15A main supplies in a
notebook computer. The input supply (VBAT) range is 5.5V to 25V.
VBAT
6x10µF
1 .0 5 V
0.22µF
2.2µH IRF7821x2
330µF
590
1800pF
36.5k
0.022µF 16.2k
IRF7832x2
16.2k
B O O T1
V IN
BOOT2
UGATE1
PHASE1
UGATE2
PHASE2
LGATE1
LGATE2
ISL62386
OCSET1
IS E N 1
OCSET2
IS E N 2
VOUT1
VOUT2
0.22µF
IRF7821x2 2.2µH
16.2k 0.022µF
IRF7832x2
16.2k
1 .5 V
330µF
590
36.5k 1800pF
48.7k
3 .3 V
4.7µF
5V
4.7µF
1µF
A G N D 1 /2
FB1
AGND1
LDO3
LDO5
VCC
PGND
FB2
AGND2
24.3k
PGOOD
EN1
EN2
LD O 3EN
FCCM
FSET1
FSET2
14k
100k
LDO5
17.4k
0.01µF
0.01µF
AGND2
AGND1
FIGURE 3. TYPICAL APPLICATION CIRCUIT WITH INDUCTOR DCR CURRENT SENSE
VBAT
6x10µF
1 .0 5 V
330µF
0.001
2k
IRF7821x2
0.22µF
2.2µH
IRF7832x2
2k
590
1800pF 36.5k
BOOT1
V IN
BOOT2
UGATE1
PHASE1
UGATE2
PHASE2
LGATE1
LGATE2
OCSET1
IS E N 1
VOUT1
ISL62386
OCSET2
IS E N 2
VOUT2
IRF7821x2
0.22µF
2.2µH
IRF7832x2
2k
0.001
2k
1 .5 V
330µF
590
36.5k 1800pF
FB1
FB2
48.7k
3 .3 V
4.7µF
5V
4.7µF
1µF
A G N D 1 /2
AGND1
LDO3
LDO5
VCC
PGND
AGND2
PGOOD
EN1
EN2
LDO3EN
FCCM
FSET1
FSET2
14k
100k
17.4k
0.01µF
AGND2
24.3k
LDO5
0.01µF
AGND1
FIGURE 4. TYPICAL APPLICATION CIRCUIT WITH RESISTOR CURRENT SENSE WITH VCC AS ENABLE POWER SUPPLY
6 FN6831.0
February 4, 2009

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