ISL6401CR Intersil, ISL6401CR Datasheet - Page 2

• Manufacturer Part Number: ISL6401CR
• Description: IC PWM BST FLYBCK ISO CM 16QFN
• Manufacturer: Intersil

Specifications of ISL6401CR

• Pwm Type: Current Mode
• Number Of Outputs: 1
• Frequency - Max: 600kHz
• Duty Cycle: 50%
• Voltage - Supply: 4.5 V ~ 5.5 V
• Buck: No
• Boost: Yes
• Flyback: Yes
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: Yes
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 16-VQFN Exposed Pad, 16-HVQFN, 16-SQFN, 16-DHVQFN
• Frequency-max: 600kHz
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Functional Block Diagram
Typical Application Schematic for 4 Line VoIP
NOTES:
3. C2 fit as close as possible to transformer.
4. T1 = IFLY0012 contacts: Coilcraft: [phone] GCI Technology: [phone] ext. 245
5. For custom specific designs or questions please contact Intersil at 1-888-INTERSIL or 321-724-7143.
9V TO
±10%
GND
20V
+5V
0.027µF
C6
VIN
VCC
220pF
10K
R2
C5
20K
R1
560pF
1.24K
C4
E
R3
4
5
9
FB
CS
1
2
3
4
5
6
7
C1A-E
2.2µF
SD
SYNC
CT
COMP
FB
NFB
NFB_IN
35V
VREF
COMP
+
-
ISL6401
2
ERROR
CS
AMP
GNDP
GATE
PV
GND
V
CS
NC
CC
CC
VREF
14
13
12
11
10
9
SOFT-START
8
-
+
-
+
UVLO
ICLCOMP
GND
ICSCOMP
REFERENCE
C2
1µF
50V
VOLTAGE
POR
10
IBIAS
C7
1000pF
C3
1µF
16V
VCC
100
LVC
R6
START
SOFT-
PRI
NC
8
1
14
Q1
IRLR2905
R5
0.025
1W
0
ISL6401
200K
8
0
ENPWM
ILIM
CLK
0
BLANKING
LEADING
0
EDGE
SD
1
0
IFLY0012
0
CLK
R
S
R
TFF
T1
220
Q
Q
7
R7
NFB_IN
0
0
0
CT
SEC
3
2
7
3
6
4
5
OSC
C8
330pF
MUR5120T3
MUR5160T3
SYNC
2
D1
D2
-
+
100µF
NFB
AMP
100V
C9
+
V
C10A
330µF
35V
CC
+
143K
6
R4B
NFB-OUT
PWRGND
PVCC
GATE
C11
1µF
12
13
11
R4A
43.5K
VOUT1
VOUT2
C12
0.1µF
April 13, 2005
GND
-24V,
120mA
-72V,
120mA
FN9007.7