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ISL6721AVZ Datasheet

  • ISL6721AVZ

  • Flexible Single Ended Current Mode PWM Controller

  • 20頁(yè)

  • INTERSIL   INTERSIL

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ISL6721
Electrical Specifications
Recommended operating conditions unless otherwise noted. Refer to Block Diagram and Typical Application
schematic. 9V < V
CC
= V
C
< 20V 鹵10%, Rt = 11k鈩? Ct = 330 pF, T
A
= -40 to 105
o
C (Note 3), Typical values are
at T
A
= 25
o
C
(Continued)
TEST CONDITIONS
MIN
TYP
MAX
UNITS
PARAMETER
ERROR AMPLIFIER
Open Loop Voltage Gain
Gain-Bandwidth Product
Reference Voltage Initial Accuracy
Reference Voltage
COMP to PWM Gain, A
COMP
COMP to PWM Offset
FB Input Bias Current
COMP Sink Current
COMP Source Current
COMP VOH
COMP VOL
PSRR
SS Clamp, V
COMP
OSCILLATOR
Frequency Accuracy
Frequency Variation with VCC
Temperature Stability
Minimum Charge and Discharge Time
Maximum Duty Cycle
Comparator High Threshold - Free Running
Comparator High Threshold - with External SYNCH
Comparator Low Threshold
Discharge Current
SYNCHRONIZATION
Input High Threshold
Input Pulse Width
Input Frequency Range
Input Impedance
VOH
VOL
SYNCH Advance
Output Pulse Width
(Note 5)
(Note 5)
V
FB
= COMP, T
A
= 25
o
C (Note 5)
V
FB
= COMP
COMP = 4V, T
A
= 25
o
C
COMP = 4V (Note 5)
V
FB
= 0V
COMP = 1.5V, V
FB
= 2.7V
COMP = 1.5V, V
FB
= 2.3V
V
FB
= 2.3V
V
FB
= 2.7V
Frequency = 120Hz (Note 5)
SS = 2.5V, V
FB
= 0V, ISET = 2V
60
-
2.465
2.44
0.31
0.51
-2
2
-0.2
4.25
0.4
60
2.4
90
15
2.515
2.515
0.33
0.75
0.1
6
-0.5
4.4
0.8
80
2.5
-
-
2.565
2.590
0.35
0.88
2
-
-
5.0
1.2
-
2.6
dB
MHz
V
V
V/V
V
碌A(chǔ)
mA
mA
V
V
dB
V
289
T = 105
o
C (F
20V
- - F
9V
)/F
9V
T = -40
o
C (F
20V
- - F
9V
)/F
9V
(Note 5)
(Note 5)
(Note 6)
(Note 5)
(Note 5)
(Note 5)
0 - 105
o
C
-40 - 105
o
C
-
-
-
68
-
-
-
0.75
0.70
318
2
2
8
TBD
75
3
4
1.5
1.0
1.0
347
3
3
-
-
81
-
-
-
1.2
1.2
kHz
%
%
nS
%
V
V
V
mA
-
25
(Note 5)
0.65x Free
Running
-
R
LOAD
= 4.5k鈩?/div>
R
LOAD
= open
SYNCH rising edge to GATE falling
edge, C
GATE
= C
SYNCH
= 100pF
C
SYNCH
= 100pF
2.5
-
-
50
-
-
-
4.5
-
-
25
-
2.5
-
1.0
-
-
0.1
55
-
V
nS
MHz
k鈩?/div>
V
V
nS
nS
5

ISL6721AVZ 產(chǎn)品屬性

  • 96

  • 集成電路 (IC)

  • PMIC - 穩(wěn)壓器 - DC DC 切換控制器

  • -

  • 電流模式

  • 1

  • 1MHz

  • 100%

  • 9 V ~ 18 V

  • 是

  • 是

  • 是

  • 無(wú)

  • 無(wú)

  • 無(wú)

  • 無(wú)

  • 是

  • -40°C ~ 105°C

  • 16-TSSOP（0.173"，4.40mm 寬）

  • 管件

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