ISL6227CAZ Intersil, ISL6227CAZ Datasheet - Page 5

• Manufacturer Part Number: ISL6227CAZ
• Description: IC CONTROLLER DDR, DDR2 28QSOP
• Manufacturer: Intersil
• Type: Pulse Width Modulator Controllerr

Specifications of ISL6227CAZ

• Applications: Controller, DDR, DDR2
• Voltage - Input: 5 ~ 28 V
• Number Of Outputs: 2
• Voltage - Output: 0.9 ~ 5.5 V
• Operating Temperature: -10°C ~ 100°C
• Mounting Type: Surface Mount
• Package / Case: 28-QSOP
• Current, Output: 10 mA
• Current, Supply: 1.8 mA
• Frequency, Oscillator: 300 kHz
• Package Type: QSOP-28
• Regulator Type: DC-DC
• Voltage, Input: 5 V
• Voltage, Output: 5.5 V
• Voltage, Supply: 5 V
• Peak Reflow Compatible (260 C): Yes
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Typical Operation Performance
FIGURE 5. SWITCHING FREQUENCY OVER-TEMPERATURE
FIGURE 1. EFFICIENCY OF CHANNEL 1, 2.5V,
FIGURE 3. OUTPUT VOLTAGE OF CHANNEL 1 vs LOAD
308
306
304
302
300
298
296
294
292
290
288
286
100
2.54
2.53
2.52
2.51
2.50
2.49
2.48
2.47
90
80
70
60
50
40
30
20
10
0
0.01
-20
EFF@ 5V, PWM
0
EFF@ 5V
HYS/PWM MODE
V
OUT
0
1
@ 5V
V
V
OUT
OUT
20
V
EFF@ 19.5V, PWM
OUT
EFF@ 12V
0.10
LOAD CURRENT (A)
@ 19.5V
@ 12V
LOAD CURRENT (A)
TEMPERATURE (°C)
@ 5V, PWM
FREQUENCY MEAN
2
40
5
25% QUANTILE
75% QUANTILE
EFF@ 12V, PWM
V
60
OUT
3
V
1.00
@ 19.5V, PWM
OUT
80
EFF@ 19.5V
@ 12V, PWM
4
100
10.0
120
5
ISL6227
FIGURE 2. EFFICIENCY OF CHANNEL 2, 1.8V,
FIGURE 4. OUTPUT VOLTAGE OF CHANNEL 2 vs LOAD
0.9020
0.9015
0.9010
0.9005
0.8985
0.8980
0.8975
FIGURE 6. REFERENCE VOLTAGE ACCURACY
0.9025
0.9000
0.8995
0.8990
1.83
1.82
1.81
1.80
1.79
1.78
100
90
80
70
60
50
40
30
20
10
0
0.01
0
-20
EFF@ 5V
HYS/PWM MODE
OVER-TEMPERATURE
EFF@ 12V
V
OUT
V
0
OUT
1
@ 5V
V
@ 5V, PWM
V
OUT
OUT
20
EFF@ 5V, PWM
0.10
V
LOAD CURRENT (A)
@ 12V
OUT
LOAD CURRENT (A)
@ 19.5V
EFF@ 12V, PWM
TEMPERATURE (°C)
2
@ 12V, PWM
40
25% QUANTILE
75% QUANTILE
VREF MEAN
EFF@ 19.5V, PWM
60
3
V
1.00
OUT
80
@ 19.5V, PWM
EFF@ 19.5V
4
100
May 4, 2009
FN9094.7
10.0
120
5