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參數(shù)資料
| 型號： | ISL6540 |
| 廠商： | Intersil Corporation |
| 英文描述： | Single-Phase Buck PWM Controller with Integrated High Speed MOSFET Driver and Pre-Biased Load Capability |
| 中文描述： | 單相降壓PWM控制器，帶有集成的高速MOSFET驅(qū)動器和預(yù)偏置負載能力 |
| 文件頁數(shù)： | 7/20頁 |
| 文件大小： | 518K |
| 代理商： | ISL6540 |
7
FN9214.0
March 9, 2006
OSCILLATOR
OSC
RANGE
OSC
COM
OSC
IND
V
OSC
Nominal Frequency Range
GBD
250
-
2000
kHz
Total Variation
FS = 250kHz, 600 kHz, VFF = 3.3V to 20V
-17
-
+17
%
FS = 250kHz, 600 kHz, VFF = 3.3V to 20V
-22
-
+22
%
Ramp Amplitude
-
0.16*VFF
-
V
P-P
V
OSC_MIN
Ramp Bottom
-
1.0
-
V
VFF
Minimum Usable VFF Voltage
VCC = 5V
-
3.3
-
V
PWM
D
MAX
Maximum Duty Cycle
Leading and Trailing-edge Modulation
-
100
-
%
D
MIN
Minimum Duty Cycle
Leading and Trailing-edge Modulation
-
0
-
%
REFERENCE TRACKING
V
REFIN
Input Voltage Range
0.07
-
VCC-1.8V
V
V
REFIN_OS
External Reference Offset
REFIN = 0.6V
-1.2
0
1.8
mV
I
REFOUT
Maximum Drive Current
C
L
= 1
μ
F, VCC = 5V, REFOUT = 1.25V
C
L
= 1
μ
F
C
L
= 1
μ
F REFOUT = 1.25V
-
19
-
mA
V
REFOUT
Output Voltage Range
0.01
-
VCC-1.8V
V
V
REFOUT_OS
Maximum Output Voltage Offset
-6
-
9
mV
C
REFOUT_MIN
Minimum Load Capacitance
REFOUT = 1.25V
-
1.0
-
μ
F
V
REFIN_DIS
Input Disable Voltage
-
VCC
-
V
REFERENCE
V
REF_COM
Reference Voltage
T
A
= 0°C to 70°C
0.586
0.591
0.595
V
V
REF_IND
T
A
= -40°C to 85°C
0.584
0.591
0.596
V
V
SYS_COM
System Accuracy
T
A
= 0°C to 70°C
-0.85
-
0.70
%
V
SYS_IND
T
A
= -40°C to 85°C
-1.20
-
0.85
%
ERROR AMPLIFIER
DC Gain
R
L
= 10K, C
L
= 100p, at COMP Pin
-
88
-
dB
UGBW
Unity Gain-Bandwidth
R
L
= 10K, C
L
= 100p, at COMP Pin
-
15
-
MHz
SR
Slew Rate
R
L
= 10K, C
L
= 100p, at COMP Pin
-
6
-
V/
μ
s
DIFFERENTIAL AMPLIFIER
UG
DC Gain
Standard Instrumentation Amplifier
-
0
-
dB
UGBW
Unity Gain Bandwidth
-
20
-
MHz
SR
Slew Rate
COMP = 10pF
-
10
-
V/
μ
s
Offset
-3
0
3
mV
I
VSEN-
Negative Input Source Current
-
6
μ
A
Input Common Mode Range Max
-
VCC-1.8
-
V
Input Common Mode Range Min
-
-0.2
-
V
V
VSEN_DIS
VSEN- Disable Voltage
-
VCC
-
V
OPERATIONAL TRANSCONDUCTANCE AMPLIFIER (OTA)
DC Gain
C
SS
= 0.1
μ
F, at SS Pin
C
SS
= 0.1
μ
F, at SS Pin
-
88
-
dB
Drive Capability
28
38
50
μ
A
Electrical Specifications
Recommended Operating Conditions, Unless Otherwise Noted
(Continued)
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
ISL6540
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