ISL6227(2009) 데이터 시트보기 (PDF) - Intersil
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ISL6227 Datasheet PDF : 27 Pages
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Pinouts
ISL6227
28 LD QSOP
TOP VIEW
GND 1
LGATE1 2
PGND1 3
PHASE1 4
UGATE1 5
BOOT1 6
ISEN1 7
EN1 8
VOUT1 9
VSEN1 10
OCSET1 11
SOFT1 12
DDR 13
VIN 14
28 VCC
27 LGATE2
26 PGND2
25 PHASE2
24 UGATE2
23 BOOT2
22 ISEN2
21 EN2
20 VOUT2
19 VSEN2
18 OCSET2
17 SOFT2
16 PG2/REF
15 PG1
ISL6227
ISL6227
28 LD 5X5 QFN
TOP VIEW
28 27 26 25 24 23 22
PHASE1 1
21 UGATE2
UGATE1 2
20 BOOT2
BOOT1 3
ISEN1 4
EN1 5
GND
29
19 ISEN2
18 EN2
17 VOUT2
VOUT1 6
16 VSEN2
VSEN1 7
15 OCSET2
8 9 10 11 12 13 14
Generic Application Circuits
OCSET1
VIN
+5V TO +28V
+5V
EN1
EN2
VCC
DDR
OCSET2
PWM1
PWM2
Q1
L1
+
Q2
C1
VOUT1
+1.80V
Q3
L2
VOUT2
+1.20V
+
Q4
C2
ISL6227 APPLICATION CIRCUIT FOR TWO CHANNEL POWER SUPPLY
VIN
+5V TO 28V
+5V
OCSET1
EN1
EN2
VCC
DDR
PG2/VREF
PWM1
PWM2
Q1
L1
+
Q2
C1
VDDQ
+2.50V
OCSET2
Q3
L2
VTT
+1.25V
+
Q4
C2
VREF
+1.25V
ISL6227 APPLICATION CIRCUIT FOR COMPLETE DDR MEMORY POWER SUPPLY
2
FN9094.7
May 4, 2009
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