ISL9502CRZ Intersil, ISL9502CRZ Datasheet - Page 11

• Manufacturer Part Number: ISL9502CRZ
• Description: IC CTRLR PWM 2PHASE GPU 48-QFN
• Manufacturer: Intersil

Specifications of ISL9502CRZ

• Pwm Type: Controller
• Number Of Outputs: 1
• Frequency - Max: 500kHz
• Voltage - Supply: 4.75 V ~ 5.25 V
• Buck: Yes
• Boost: No
• Flyback: No
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: No
• Operating Temperature: -10°C ~ 100°C
• Package / Case: 48-VQFN
• Frequency-max: 500kHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Duty Cycle: -

Simplified Application Circuit for DCR Current Sensing
REMOTE
SENSE
VSEL<0:5>
VR_ON
GPUGOOD
FIGURE 19. ISL9502 BASED TWO-PHASE BUCK CONVERTER WITH INDUCTOR DCR CURRENT SENSING
R
C
C
3
1
2
R
2
R
C
11
R
R
C
R
1
3
C
12
13
8
FSET
9
GND
RBIAS
NTC
VRHOT#
SOFT
VSELs
SET2
SET1
SET3
VR_ON
PGOOD
VSEN
RTN
VDIFF
FB
COMP
VW
R
4
DFB
ISL9502
VDD
R
V +5
5
C
DROOP
4
PVCC
UGATE1
PHASE1
UGATE2
PHASE2
LGATE1
LGATE2
BOOT1
PGND2
BOOT2
PGND2
OCSET
ISEN1
ISEN2
VSUM
VO
V
VIN
IN
ISL9502
R
6
NETWORK
NTC
R
N
C
C
5
6
VO'
VSUM
C
CS
V
V
IN
IN
C
C
7
8
R
R
VSUM
9
8
VSUM
ISEN2
ISEN1
R
R
L
L
L
L
O
O
C
C
L
L
VO'
VO'
R
R
10
11
V
O
C
O
July 17, 2006
FN9275.1