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ISL6753AAZA-T Datasheet

  • ISL6753AAZA-T

  • ZVS Full-Bridge PWM Controller

  • 457.09KB

  • 15頁(yè)

  • INTERSIL   INTERSIL

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ISL6753
Data Sheet
March 10, 2005
FN9182.1
ZVS Full-Bridge PWM Controller
The ISL6753 is a high-performance, low-pin-count
alternative zero-voltage switching (ZVS) full-bridge PWM
controller. Like the ISL6551, it achieves ZVS operation by
driving the upper bridge FETs at a fixed 50% duty cycle while
the lower bridge FETS are trailing-edge modulated with
adjustable resonant switching delays. Compared to the more
familiar phase-shifted control method, this algorithm offers
equivalent efficiency and improved overcurrent and light-
load performance with less complexity in a lower pin count
package.
This advanced BiCMOS design features low operating
current, adjustable oscillator frequency up to 2MHz,
adjustable soft-start, internal over temperature protection,
precision deadtime and resonant delay control, and short
propagation delays. Additionally, Multi-Pulse Suppression
ensures alternating output pulses at low duty cycles where
pulse skipping may occur.
Features
鈥?Adjustable Resonant Delay for ZVS Operation
鈥?Voltage- or Current-Mode Operation
鈥?3% Current Limit Threshold
鈥?/div>
175碌A(chǔ) Startup Current
鈥?Supply UVLO
鈥?Adjustable Deadtime Control
鈥?Adjustable Soft-Start
鈥?Adjustable Oscillator Frequency Up to 2MHz
鈥?Tight Tolerance Error Amplifier Reference Over Line,
Load, and Temperature
鈥?5MHz GBWP Error Amplifier
鈥?Adjustable Cycle-by-Cycle Peak Current Limit
鈥?Fast Current Sense to Output Delay
鈥?70ns Leading Edge Blanking
Ordering Information
PART NUMBER
ISL6753AAZA
(See Note)
TEMP. RANGE
(擄C)
-40 to 105
PACKAGE
16 Ld QSOP
(Pb-free)
PKG.
DWG. #
M16.15A
鈥?Multi-Pulse Suppression
鈥?Buffered Oscillator Sawtooth Output
鈥?Internal Over Temperature Protection
鈥?Pb-free and ELV, WEEE, RoHS Compliant
Add -T suffix to part number for tape and reel packaging
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.
Applications
鈥?ZVS Full-Bridge Converters
鈥?Telecom and Datacom Power
鈥?Wireless Base Station Power
鈥?File Server Power
鈥?Industrial Power Systems
Pinout
ISL6753 (QSOP)
TOP VIEW
VERR 1
CTBUF 2
RTD 3
RESDEL 4
CT 5
FB 6
RAMP 7
CS 8
16 VREF
15 SS
14 VDD
13 OUTLL
12 OUTLR
11 OUTUL
10 OUTUR
9 GND
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-352-6832
|
Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2005. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.

ISL6753AAZA-T 產(chǎn)品屬性

  • 2,500

  • 集成電路 (IC)

  • PMIC - 穩(wěn)壓器 - DC DC 切換控制器

  • -

  • 電流/電壓模式

  • 4

  • 2MHz

  • 100%

  • 9 V ~ 16 V

  • 無(wú)

  • 無(wú)

  • 無(wú)

  • 無(wú)

  • 無(wú)

  • 無(wú)

  • 無(wú)

  • 無(wú)

  • -40°C ~ 105°C

  • 16-SSOP（0.154"，3.90mm 寬）

  • 帶卷 (TR)

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