hip6004d Intersil Corporation, hip6004d Datasheet

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hip6004d

Manufacturer Part Number
hip6004d
Description
Buck And Synchronous-rectifier Pwm Controller And Output Voltage Monitor Hip6004d
Manufacturer
Intersil Corporation
Datasheet

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Buck and Synchronous-Rectifier (PWM)
Controller and Output Voltage Monitor
The HIP6004D provides complete control and protection for
a DC-DC converter optimized for high-performance
microprocessor applications. It is designed to drive two
N-Channel MOSFETs in a synchronous-rectified buck
topology. The HIP6004D integrates all of the control, output
adjustment, monitoring and protection functions into a single
package.
The output voltage of the converter is easily adjusted and
precisely regulated. The HIP6004D includes a fully TTL-
compatible 5-input digital-to-analog converter (DAC) that
adjusts the output voltage from 1.1V
increments steps. The precision reference and voltage-
mode regulator hold the selected output voltage to within
±1% over temperature and line voltage variations.
The HIP6004D provides simple, single feedback loop,
voltage-mode control with fast transient response. It includes
a 200kHz free-running triangle-wave oscillator that is
adjustable from below 50kHz to over 1MHz. The error
amplifier features a 15MHz gain-bandwidth product and
6V/μs slew rate which enables high converter bandwidth for
fast transient performance. The resulting PWM duty ratio
ranges from 0% to 100%.
The HIP6004D monitors the output voltage with a window
comparator that tracks the DAC output and issues a Power
Good signal when the output is within ±10%. The HIP6004D
protects against over-current and overvoltage conditions by
inhibiting PWM operation. Additional built-in overvoltage
protection triggers an external SCR to crowbar the input
supply. The HIP6004D monitors the current by using the
r
a current sensing resistor.
Ordering Information
Add “-T” suffix for tape and reel.
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.
HIP6004DCB
HIP6004DCBZ
(See Note)
HIP6004DCR
HIP6004DCRZ
(See Note)
DS(ON)
PART NUMBER
of the upper MOSFET which eliminates the need for
RANGE (
TEMP.
0 to 70
0 to 70
0 to 70
0 to 70
®
o
C)
1
20 Ld SOIC
20 Ld SOIC
(Pb-free)
20 Ld 5x5 QFN
20 Ld 5x5 QFN
(Pb-free)
DC
Data Sheet
PACKAGE
to 1.85V
DC
M20.3
M20.3
L20.5x5
L20.5x5
in 25mV
DWG. #
PKG.
1-888-INTERSIL or 1-888-468-3774
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
Features
• Drives Two N-Channel MOSFETs
• Operates from +5V or +12V Input
• Simple Single-Loop Control Design
• Fast Transient Response
• Excellent Output Voltage Regulation
• TTL-Compatible 5-Bit Digital-to-Analog Output
• Power-Good Output Voltage Monitor
• Over-Voltage and Over-Current Fault Monitors
• Small Converter Size
• QFN Package:
• Pb-Free plus anneal available (RoHS compliant)
Applications
• Power Supply for K7™, and Other Microprocessors
• High-Power DC-DC Regulators
• Low-Voltage Distributed Power Supplies
- Voltage-Mode PWM Control
- High-Bandwidth Error Amplifier
- Full 0% to 100% Duty Ratio
- ±1% Over Line Voltage and Temperature
Voltage Selection
- 25mV Binary Steps . . . . . . . . . 1.100V
- Does Not Require Extra Current Sensing Element,
- Constant Frequency Operation
- 200kHz Free-Running Oscillator Programmable from
- Compliant to JEDEC PUB95 MO-220
- Near Chip Scale Package footprint, which improves
Uses MOSFET’s r
50kHz to over 1MHz
QFN - Quad Flat No Leads - Package Outline
PCB efficiency and has a thinner profile
All other trademarks mentioned are the property of their respective owners.
July 13, 2005
|
Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright © Intersil Americas Inc. 2003, 2005. All Rights Reserved.
DS(ON)
HIP6004D
DC
FN4855.3
to 1.850V
DC

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hip6004d Summary of contents

Page 1

... The HIP6004D monitors the output voltage with a window comparator that tracks the DAC output and issues a Power Good signal when the output is within ±10%. The HIP6004D protects against over-current and overvoltage conditions by inhibiting PWM operation. Additional built-in overvoltage protection triggers an external SCR to crowbar the input supply ...

Page 2

... Pinouts HIP6004D (SOIC, TSSOP) TOP VIEW SEN OCSET VID0 4 17 VID1 5 16 VID2 6 15 VID3 7 14 VID4 COMP Typical Application HIP6004D PGOOD SS OVP RT VID0 VID1 VID2 D/A VID3 VID4 FB COMP 2 HIP6004D RT OVP V CC LGATE PGND BOOT ...

Page 3

... Block Diagram V SEN OCSET REFERENCE VID0 TTL D/A VID1 CONVERTER VID2 VID3 (DAC) VID4 FB COMP RT 3 HIP6004D POWER-ON 110% RESET (POR 90 OVER- 115% VOLTAGE + - + - OVER- CURRENT 200µA 4V PWM COMPARATOR DACOUT + + - - ERROR AMP OSCILLATOR V CC PGOOD 1µA OVP SOFT- SS START BOOT UGATE ...

Page 4

... Upper Gate Sink Lower Gate Source Lower Gate Sink PROTECTION Over-Voltage Trip (VSEN/DACOUT) OCSET Current Source OVP Sourcing Current Soft Start Current 4 HIP6004D Thermal Information Thermal Resistance SOIC Package (Note +0.3V QFN Package (Notes 2, 3 Maximum Junction Temperature . . . . . . . . . . . . . . . . . . . . . . 150 Maximum Storage Temperature Range . . . . . . . . . -65 Maximum Lead Temperature (Soldering 10s) ...

Page 5

... OCSET (Pin 2) Connect a resistor (R ) from this pin to the drain of the OCSET upper MOSFET internal 200µA current source OCSET (I ), and the upper MOSFET on-resistance (r OCS 5 HIP6004D SYMBOL TEST CONDITIONS VSEN Rising VSEN Falling Upper and Lower Threshold -5mA PGOOD PGOOD ...

Page 6

... HIP6004D Functional Description Initialization The HIP6004D automatically initializes upon receipt of power. Special sequencing of the input supplies is not necessary. The Power-On Reset (POR) function continually monitors the input supply voltages. The POR monitors the bias voltage at the VCC pin and the input voltage (V OCSET is equal to V current protection) ...

Page 7

... R OCSET presence of switching noise on the input voltage. Output Voltage Program The output voltage of a HIP6004D converter is programmed to discrete levels between 1.100V voltage identification (VID) pins program an internal voltage reference (DACOUT) with a TTL-compatible 5-bit digital-to- analog converter (DAC). The level of DACOUT also sets the PGOOD and OVP thresholds ...

Page 8

... The components shown in Figure 5 should be located as close together as possible. Please note that the capacitors C and C IN numerous physical capacitors. Locate the HIP6004D within 3 inches of the MOSFETs, Q and Q . The circuit traces for the 1 2 MOSFETs’ ...

Page 9

... ESR 2π The compensation network consists of the error amplifier (internal to the HIP6004D) and the impedance networks Z and Z . The goal of the compensation network is to provide FB a closed loop transfer function with the highest 0dB crossing frequency (f ) and adequate phase margin ...

Page 10

... Given a sufficiently fast control loop design, the HIP6004D will provide either 0% or 100% duty cycle in response to a load transient. The response time is the time required to slew the inductor current from an initial current value to the transient current level ...

Page 11

... MOSFET’s body diode. The gate-charge losses are dissipated by the HIP6004D and don't heat the MOSFETs. However, large gate-charge increases the switching interval, t which increases the upper SW MOSFET switching losses. Ensure that both MOSFETs are ...

Page 12

... Equivalent 3A, 40V Schottky, Motorola MBR340 or Equivalent Intersil MOSFET; RFP70N03 HIP6004D description, can be found in Application Note AN9672. Although the Application Note details the HIP6004, the same evaluation platform can be used to evaluate the HIP6004D. C 2N6394 IN +12V 0.1μF V OVP ...

Page 13

... The lead width “B”, as measured 0.36mm (0.014 inch) or greater above the seating plane, shall not exceed a maximum value of 0.61mm (0.024 inch) 10. Controlling dimension: MILLIMETER. Converted inch dimensions are not necessarily exact. 13 HIP6004D M20.3 (JEDEC MS-013-AC ISSUE C) 20 LEAD WIDE BODY SMALL OUTLINE PLASTIC PACKAGE M M ...

Page 14

... 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 14 HIP6004D L20.5x5 20 LEAD QUAD FLAT NO-LEAD PLASTIC PACKAGE MILLIMETERS ...

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