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參數(shù)資料
| 型號： | ISL6406 |
| 廠商： | Intersil Corporation |
| 英文描述： | Single Synchronous Buck Pulse-Width Modulation (PWM) Controller(單同步降壓PWM控制器) |
| 中文描述： | 單同步降壓脈寬調(diào)制（PWM）控制器（單同步降壓的PWM控制器） |
| 文件頁數(shù)： | 6/18頁 |
| 文件大?。?/td> | 380K |
| 代理商： | ISL6406 |
6
FN9073.7
January 16, 2007
Sync. Frequency Range (Note 6)
1.1 Times the natural switching
frequency.
110
-
770
kHz
Minimum Sync Pulse Width (Note 6)
-
40
100
ns
PWM Maximum Duty Cycle
-
96
-
%
GATE DRIVER OUTPUT (Note 6)
Upper Gate Source Current
V
BOOT
- V
PHASE
= 5V, V
UGATE
= 4V
-
-1
-
A
Upper Gate Sink Current
-
1
-
A
Lower Gate Source Current
V
VCC
= 3.3V, V
LGATE
= 4V
-
-1
-
A
Lower Gate Sink Current
-
2
-
A
SOFT-START
Soft-Start Slew Rate
f = 300kHz, T
A
= 0°C to +70°C
f = 300kHz, T
A
= -40°C to +85°C
Internal Digital Circuit Clock Count
(Soft-start time varies with frequency)
6.2
6.7
7.3
ms
6.2
6.7
7.6
ms
-
2048
-
Clk Cycles
OVERCURRENT
OCSET Current Source
T
A
= 0°C to +70°C
T
A
= -40°C to +85°C
18
20
22
μ
A
16
20
23
μ
A
NOTES:
5. This is the V
CC
current consumed when the device is active but not switching.
6. Guaranteed by design.
Electrical Specifications
Recommended operating conditions unless otherwise noted. Refer to Block Diagram and Typical Application
Schematic. V
CC
= +3.3V. Typical values are at T
A
= +25°C.
(Continued)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
Typical Performance Curve
FIGURE 1. REFERENCE VOLTAGE vs TEMPERATURE
TEMPERATURE (°C)
-40 -30 -20 -10
0
10
20
30
40
50
60
70
80
0.81
0.805
0.8
0.795
0.79
0.785
0.78
V
R
ISL6406
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