ISL6227EVAL1 Intersil, ISL6227EVAL1 Datasheet - Page 4

• Manufacturer Part Number: ISL6227EVAL1
• Description: EVALUATION BOARD 1 ISL6227
• Manufacturer: Intersil

Specifications of ISL6227EVAL1

• Main Purpose: Special Purpose DC/DC, DDR Memory Supply
• Outputs And Type: 2, Non-Isolated
• Voltage - Output: 0.9 ~ 5.5V
• Voltage - Input: 5 ~ 24V
• Regulator Topology: Buck
• Frequency - Switching: 300kHz
• Board Type: Fully Populated
• Utilized Ic / Part: ISL6227
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

.
What’s Inside
This Evaluation Board Kit contains the following materials:
What is Needed
The following items will be needed to perform a complete
evaluation:
NOTE * = initial setting
Jumper
LED Condition
TABLE 1. Detailed Description of the Jumper Settings
JP1
JP2
JP3
JP4
JP5
• the ISL6227EVAL1 Evaluation Board
• the ISL6227EVAL1 Evaluation Board Setup
• 4 channel oscilloscope with probes
• 2 electronic loads
• 2 laboratory power supplies
• Precision digital multi-meters (DVM)
• Digital pulse generator
TABLE 2. LED condition indicator
Procedure.
CR1
* Removed
* Removed
Away from
Away from
*Shunted
Position
VINPRG
VINPRG
Shunted
Shunted
*Toward
*FCCM
FCCM
Condition
*An AmpMeter may be connected across
these pins to measure IC and GATE Drive
current
*CH1 PWM Fixed Continuous Conduction
Mode Operation
CH1 Hysteretic Operation
enabled
CH1 enabled
* CH1 disabled
CH2 enabled
* CH2 disabled
* Use when Vin>5V, this will tie VIN pin to
the input voltage for feed forward and
program Ch2 PWM 90 phase lagging Ch1
Use when Vin<5V, this will tie VIN pin to
GND and program in phase PWM for CH1
and CH2
green
red
4
VOUT1 WITHIN PGOOD
RANGE (89%-115% of
nominal value)
VOUT1 OUTSIDE PGOOD
RANGE (89-115% of
nominal value)
Function
Result
Application Note 1067
Quick Setup Note:
• The VIN Power Supply must always be the FIRST
• The 5V V
• Make sure the power is off before moving any
• Better connect/disconnect probes without
• Make sure the electronic loads are set at 0A
Step 1: Connect power supply and measurement
• Do not apply power yet
• Do not apply power yet
1a. Connect VCC power supply
1b. Connect VCC measurement equipment
1c. Connect VIN power supply
1d. Connect VIN measurement equipment
supply on and the LAST supply off to ensure start
up.
5%.
jumpers, except EN1 and EN2.
powering circuit
condition before the connection.
equipment.
– Set the output voltage of the 5V adjustable power
– Connect the positive terminal (+) of a DVM to the
– Set the adjustable 24VDC output voltage to zero
– Connect the positive terminal (+) of a DVM to one of
supply to zero volts. Connect the positive terminal
(+) of the power supply to the VCC terminal J4.
Connect the negative terminal (-) of the 5VDC
power supply to the GND terminal J1.
VCC terminal J4. Connect the negative terminal (-)
of the DVM to the GND terminal J1.
volts. Connect the positive terminal (+) of the power
supply to the VIN terminals J2. Connect the
negative terminal (-) of the 24VDC power supply to
the GND terminal J3.
the VIN terminals J2. Connect the negative terminal
(-) of the DVM to the GND terminal J3.
CC
Power Supply must be between 5V ±