HIP6017
Data Sheet
April 1998
File Number 4496.1
Advanced PWM and Dual Linear Power
Control
Features
• Provides 3 Regulated Voltages
The HIP6017 provides the power control and protection for
three output voltages in high-performance microprocessor
and computer applications. The IC integrates a PWM
controller, a linear regulator and a linear controller as well as
the monitoring and protection functions into a single 28 lead
SOIC package. The PWM controller regulates the
microprocessor core voltage with a synchronous-rectified
buck converter. The linear controller regulates power for the
GTL bus and the linear regulator provides power for the
clock driver circuits.
- Microprocessor Core, Clock and GTL Power
• Drives N-Channel MOSFETs
• Operates from +3.3V, +5V and +12V Inputs
• Simple Single-Loop PWM Control Design
- Voltage-Mode Control
• Fast Transient Response
- High-Bandwidth Error Amplifier
- Full 0% to 100% Duty Ratios
The HIP6017 includes an Intel-compatible, TTL 5-input
digital-to-analog converter (DAC) that adjusts the core PWM
• Excellent Output Voltage Regulation
- Core PWM Output: ±1% Over Temperature
- Other Outputs: ±2.5% Over Temperature
output voltage from 2.1V
to 3.5V
in 0.1V increments
in 0.05V steps. The precision
DC
DC
to 2.05V
DC
and from 1.8V
DC
• TTL-Compatible 5-Bit Digital-to-Analog Core Output
Voltage Selection
reference and voltage-mode control provide ±1% static
regulation. The linear regulator uses an internal pass device
to provide 2.5V ±2.5%. The linear controller drives an
external N-Channel MOSFET to provide 1.5V ±2.5%.
- Wide Range . . . . . . . . . . . . . . . . . . . 1.8V
- 0.1V Steps . . . . . . . . . . . . . . . . . . . . 2.1V
to 3.5V
to 3.5V
DC
DC
DC
DC
DC
- 0.05V Steps . . . . . . . . . . . . . . . . . . 1.8V
to 2.05V
DC
The HIP6017 monitors all the output voltages. A single
Power Good signal is issued when the core is within ±10% of
the DAC setting and the other levels are above their under-
voltage levels. Additional built-in over-voltage protection for
the core output uses the lower MOSFET to prevent output
voltages above 115% of the DAC setting. The PWM over-
current function monitors the output current by using the
• Power-Good Output Voltage Monitor
• Microprocessor Core Voltage Protection Against Shorted
MOSFET
• Over-Voltage and Over-Current Fault Monitors
- Does Not Require Extra Current Sensing Element,
Uses MOSFET’s r
DS(ON)
voltage drop across the upper MOSFET’s r
, thus
DS(ON)
• Small Converter Size
eliminating the need for a current sensing resistor.
- Constant Frequency Operation
Pinout
- 200kHz Free-Running Oscillator; Programmable from
50kHz to over 1MHz
HIP6017 (SOIC)
TOP VIEW
Applications
NC
NC
1
2
3
4
5
6
7
8
9
28 VCC
•
•
Full Motherboard Power Regulation for Computers
Low-Voltage Distributed Power Supplies
27 UGATE1
26 PHASE1
25 LGATE1
24 PGND
23 OCSET1
22 VSEN1
21 FB1
VID4
VID3
Ordering Information
VID2
TEMP. RANGE
o
VID1
PART NUMBER
HIP6017CB
( C)
0 to 70
PACKAGE
PKG. NO.
VID0
PGOOD
GND2
28 Ld SOIC
M28.3
20 COMP1
19 FB3
HIP6017EVAL1
Evaluation Board
V33 10
NC 11
18 GATE3
17 GND
SS 12
FAULT/RT 13
FB2 14
16 VOUT2
15 VIN2
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
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