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HIP6301 Datasheet(PDF) 3 Page - Intersil Corporation

Part No. HIP6301
Description  Microprocessor CORE Voltage Regulator Multi-Phase Buck PWM Controller
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Manufacturer  INTERSIL [Intersil Corporation]
Direct Link  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation

HIP6301 Datasheet(HTML) 3 Page - Intersil Corporation

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3
Simplified Power System Diagram
Functional Pin Description
VID4 (Pin 1), VID3(Pin 2), VID2 (Pin 3), VID1(Pin 4)
and VID0 (Pin 5)
Voltage Identification inputs from microprocessor. These pins
respond to TTL and 3.3V logic signals. The HIP6301 decodes
VID bits to establish the output voltage. See Table 1.
COMP (Pin 6)
Output of the internal error amplifier. Connect this pin to the
external feedback and compensation network.
FB (Pin 7)
Inverting input of the internal error amplifier.
FS/DIS (Pin 8)
Channel frequency, FSW, select and disable. A resistor from
this pin to ground sets the switching frequency of the
converter. Pulling this pin to ground disables the converter
and three states the PWM outputs. See Figure 10.
GND (Pin 9)
Bias and reference ground. All signals are referenced to this
pin.
VSEN (Pin 10)
Power good monitor input. Connect to the microprocessor-
CORE voltage.
PWM1 (Pin 15), PWM2 (Pin 14), PWM3 (Pin 11) and
PWM4 (Pin 18)
PWM outputs for each driven channel in use. Connect these
pins to the PWM input of a HIP6601/2/3 driver. For systems
which use 3 channels, connect PWM4 high. Two channel
systems connect PWM3 and PWM4 high.
ISEN1 (Pin 16), ISEN2 (Pin 13), ISEN3 (Pin 12) and
ISEN4 (Pin 17)
Current sense inputs from the individual converter channel’s
phase nodes. Unused sense lines MUST be left open.
PGOOD (Pin 19)
Power good. This pin provides a logic-high signal when the
microprocessor CORE voltage (VSEN pin) is within specified
limits and Soft-Start has timed out.
VCC (Pin 20)
Bias supply. Connect this pin to a 5V supply.
SYNCHRONOUS
HIP6301
MICROPROCESSOR
VSEN
VID
RECTIFIED BUCK
CHANNEL
SYNCHRONOUS
RECTIFIED BUCK
CHANNEL
SYNCHRONOUS
RECTIFIED BUCK
CHANNEL
SYNCHRONOUS
RECTIFIED BUCK
CHANNEL
PWM 1
PWM 2
PWM 3
PWM 4
11
12
13
14
15
16
17
18
20
19
10
9
8
7
6
5
4
3
2
1
VID4
VID3
VID2
VID1
VID0
FS/DIS
PWM2
PGOOD
PWM3
ISEN4
ISEN1
VCC
GND
ISEN3
FB
PWM4
VSEN
COMP
PWM1
ISEN2
HIP6301
HIP6301


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