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參數資料
| 型號： | ISL8601 |
| 廠商： | Intersil Corporation |
| 英文描述： | Single-Phase, PMBus-Enabled PWM Controller with Integrated FET Drivers |
| 中文描述： | 單相，PMBus的啟用PWM控制器，帶有集成FET驅動器 |
| 文件頁數： | 1/4頁 |
| 文件大?。?/td> | 106K |
| 代理商： | ISL8601 |
1
FN6449.0
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. 2007. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
PRELIMINARY*
ISL8601
Single-Phase, PMBus-Enabled PWM
Controller with Integrated FET Drivers
The ISL8601 is a single-phase PWM controller with integrated
MOSFET drivers utilizing analog voltage mode control. The
ISL8601 features extensive PMBus compliance that enables
rapid and flexible power supply design and comprehensive
product evaluation and testing. Exceptional flexibility in the
customization of operating parameters and system monitoring
functions is provided via the large PMBus command set. The
ISL8601 supports both low-side MOSFET r
DS(ON)
and
Inductor DCR current sensing. Programmable temperature
compensation for sensed current values is provided to ensure
maximum accuracy. In addition to the I
2
C interface, select
PMBus commands for the ISL8601 can also be programmed
via external resistors, bringing the power and flexibility of
PMBus into low-cost power supply systems.
Pinout
ISL8601
(40 LD 6x6 QFN)
Features
Input Voltage Range: +1.8V to 13.2V
VBIAS Voltage Range: +4.5V to 13.2V
Minimum Output Voltage: +0.5V
±1.0% System Accuracy Over the Range of -40°C to
+85°C When Using the 0.8V Reference
Internal Reference Voltage Programmable from 0.4V to
0.9V in 4mV Steps
Integrated 2A to 4A MOSFET Drivers
External Frequency Synchronization
Selectable Phase Delay: 0°, 90°, 120°, 180°, 240°, or 270°
Precision MOSFET r
DS(ON)
or Inductor DCR Current
Sensing
Voltage Feedforward Compensation
Extensive PMBus Compliance
Broad PMBus Programmability Including Output Voltage,
Overvoltage Threshold, Overcurrent Threshold,
Overtemperature Threshold, Switching Frequency, Turn-
On and Turn-Off
PMBus Monitoring of Load Current, Input Voltage, Output
Voltage and Temperature
PMBus Programming Via I
2
C Interface
Resistor Programming of Select PMBus Parameters
Operating Frequency Range: 200kHz to 2MHz
Internal and External Temperature Measurement
Overvoltage, Undervoltage and Overtemperature
Protection
Low-Side and High-Side Overcurrent Protection
Programmable Supply Sequencing and Tracking
Digital Soft-Start with Multiple Soft-Start Modes
Multiple Programmable Fault-Handling Modes
Multiple Prebiased Startup Options
Differential Remote Voltage Sensing
Power-Good Output with Programmable Delay
Applications
Ethernet Routers and Switches
Point-of-Load Modules
Industrial Power Management
Ordering Information
PART NUMBER TEMP RANGE (°C)
PACKAGE
PKG. DWG. #
ISL8601IRZ
-40 to +85
40 Ld 6x6 QFN L40.6x6
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.
1
40
2
3
4
5
6
7
8
9
10
30
29
28
27
26
25
24
23
22
21
39 38 37 36 35 34 33 32 31
11 12 13 14 15 16 17 18 19 20
F
V
T
R
R
R
R
C
U
V
V
R
RGND
PGND
LGATE
PVCC
PHASE
UGATE
BOOT
HSOC
DGND
PGOOD
ROSC
ISENSN
ISENSP
N/C
N/C
LSOC
AGND
C25A
SS
COMP
V
V
E
S
S
S
C
S
GND
BOTTOM
SIDE PAD
Data Sheet
*All functional details and specifications are preliminary and subject to change
March 23, 2007
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