ISL6721 Intersil Corporation, ISL6721 Datasheet - Page 18

• Manufacturer Part Number: ISL6721
• Description: Flexible Single Ended Current Mode PWM Controller
• Manufacturer: Intersil Corporation

Component List
C1, C2, C3
C5, C13
C15, C16, C19,
C20
C17
C18
C21, C22
C4, C14
C6
C7
C8
C9, C10, C11,
C12
CR2, CR6
CR4, CR5
D1
D2
Q1
Q2
Q3
R1, R2
R10
NOTE:
DESIGNATOR
REFERENCE
Trace 1: V
Trace 3: V
FIGURE 12. GATE AND DRAIN-SOURCE WAVEFORMS
D-S
G-S
1.0µF
0.1µF
560µF
470pF
.01µF
22µF
100pF
1500pF
330pF
0.22µF
1.00K
20.0K
VALUE
Capacitor, 1812, X7R, 100V, 20%
Capacitor, 0603, X7R, 25V, 10%
Capacitor, Radial, SANYO 4SEP560M
Capacitor, 0603, COG, 50V, 5%
Capacitor, 0805, X7R, 50V, 10%
Capacitor, 1210, X5R, 10V, 20%
Capacitor, 0603, COG, 50V, 5%
Capacitor, Disc, Murata
DE1E3KX152MA5BA01
Zero Ohm Jumper, 0603
Capacitor, 0603, COG, 50V, 5%
Capacitor, 0603, X7R, 16V, 10%
Diode, Fairchild ES1C
Diode, IR 12CWQ03FN
Zener, 18V, Zetex BZX84C18
Diode, Schottky, BAT54C
FET, Fairchild FDS2570
Transistor, Zetex FMMT491A
Transistor, ON MJD31C
Resistor, 1206, 1%
Resistor, 0603, 1%
TABLE 2.
18
DESCRIPTION
ISL6721
References
R7, R9, R11,
R26, R27
R12
R13, R15, R17,
R18, R19, R25
R14
R16
R21
R22
R24
R3, R23
R4
R5
R6
R8, R20
T1
U2
U3
U4
VR1
[1] Ridley, R., “A New Continuous-Time Model for Current
[2] Dixon, Lloyd H., “Closing the Feedback Loop”, Unitrode
DESIGNATOR
REFERENCE
Mode Control”, IEEE Transactions on Power
Electronics, Vol. 6, No. 2, April 1991.
Power Supply Design Seminar, SEM-700, 1990.
10.0K
38.3K
1.00K
10
165
10.0
5.11
3.92K
100
1.00
221K
75.0K
VALUE
TABLE 2. (Continued)
Resistor, 0603, 1%
Resistor, 0603, 1%
Resistor, 0603, 1%
Resistor, 0603, 1%
Resistor, 0603, 1%
Resistor, 1206, 1%
Resistor, 0603, 1%
Resistor, 2512, 1%
Resistor, 0603, 1%
Resistor, 2512, 1%
Resistor, 0603, 1%
Resistor, 0603, 1%
OMIT
Transformer, MIDCOM 31555
Opto-coupler, NEC PS2801-1
Shunt Reference, National LM431BIM3
PWM, Intersil ISL6721IB
Zener, 15V, Zetex BZX84C15
DESCRIPTION