ISL6227EVAL2 Intersil, ISL6227EVAL2 Datasheet - Page 5

• Manufacturer Part Number: ISL6227EVAL2
• Description: EVALUATION BOARD 2 ISL6227
• Manufacturer: Intersil

Specifications of ISL6227EVAL2

• 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:
• the ISL6227EVAL2Z Evaluation Board
• the ISL6227EVAL2Z Evaluation Board Setup Procedure
What is Needed
The following items will be needed to perform a complete
evaluation:
• 4 channel oscilloscope with probes
• 2 electronic loads
• 2 laboratory power supplies
• Precision digital multi-meters
• Digital pulse generator
NOTE: * = initial setting
JUMPER
CONDITION CONDITION
JP1
JP2
JP3
JP4
JP5
JP6
JP7
LED
CR1
CR2
TABLE 2. LED CONDITION INDICATORS
POSITION
Away from
Away from
*Removed
*Removed
Removed
*VIN >5V
*Shunted
*Shunted
VIN = 5V
*FCCM1
*FCCM2
Shunted
Shunted
FCCM1
FCCM2
TABLE 1. JUMPER SETTINGS
green
green
red
red
*Input Voltage greater than 5V
Input Voltage 3.3V to 5.0 Volt operation
*An AmpMeter may be connected across
these pins to measure IC and GATE Drive
Current only
*Channel 1 Fixed Continuous Conduction
Mode
Channel 1 Hysteretic Operation enabled
*Channel 2 Fixed Continuous Conduction
Mode
Channel 2 Hysteretic Operation enabled
Channel 1 enabled
*Channel 1 disabled
Channel 2 enabled
*Channel 2 disabled
*One VIN supply for both CH1 and CH2
Separate VIN supplies for CH1 and CH2
VOUT1 WITHIN PGOOD RANGE
VOUT1 OUTSIDE PGOOD RANGE
VOUT2 WITHIN PGOOD RANGE
VOUT1 OUTSIDE PGOOD RANGE
5
FUNCTION
RESULT
Application Note 1068
Quick Setup
• The VIN Power Supply must always be the first supply on
• The 5V V
• Make sure the power is off before moving any jumpers,
• Better connect/disconnect probes without powering circuit
• Make sure the electronic loads are set at 0A condition
Step 1: Connect power supply and measurement
• Do not apply power yet
• Do not apply power yet
Step 2: Connect load and measurement equipment
and the last supply off.
except EN1 and EN2.
before the connection.
equipment
equipment
equipment
1a. Connect VCC power supply
1b. Connect VCC measurement equipment
1c. Connect VIN power supply
1d. Connect VIN measurement equipment
2a. Connect load for Channel 1 and measurement
2b. Connect load for Channel 2 and measurement
- 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
- Connect the positive terminal (+) of the electronic
- Connect the positive terminal (+) of the electronic
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 J14.
VCC terminal J4. Connect the negative terminal (-) of
the DVM to the GND terminal J14.
volts. Connect the positive terminal (+) of the power
supply to the VIN terminals J2 and J3. Connect the
negative terminal (-) of the 24VDC power supply to
the GND terminal J1.
the VIN terminals J2 or J3. Connect the negative
terminal
(-) of the DVM to the GND terminal J1.
load and the DVM to the VOUT1 terminal J5.
Connect the negative terminal (-) of the electronic
load and the DVM to the GND terminal J8. The
electronic load should be at 0A load condition.
load and the DVM to the VOUT2 terminal J6.
Connect the negative terminal (-) of the electronic
load and the DVM to the GND terminal J7. The
electronic load should be at 0A condition.
CC
Power Supply must be within 5V ± 5%.
July 14, 2008
AN1068.1