ISL6401 Intersil Corporation, ISL6401 Datasheet - Page 2

• Manufacturer Part Number: ISL6401
• Description: Synchronizing Current Mode PWM for Subscriber Line Interface Circuits (SLICs)
• Manufacturer: Intersil Corporation

Functional Block Diagram
Typical Application Schematic for 4 Line VoIP
NOTES:
1. C2 fit as close as possible to transformer.
2. T1 = IFLY0012 contacts: Coilcraft: [phone] GCI Technology: [phone] ext. 245
3. For custom specific designs or questions please contact Intersil at [phone].
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
VREF
CC
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
GND
-24V,
120mA
-72V,
120mA