參數(shù)資料
型號: ISL6540A
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)動器和預偏置負載能力
文件頁數(shù): 7/20頁
文件大小: 430K
代理商: ISL6540A
7
FN6288.2
March 12, 2007
ENABLE
V
EN_REF
Input Reference Voltage
0.485
0.500
0.515
V
I
EN_HYS
Hysteresis Source Current
7.5
10
11.5
μ
A
V
EN
Maximum Input Voltage
-
VCC + 0.3
-
V
OSCILLATOR
OSC
FMAX
Nominal Maximum Frequency
GBD
-
2000
-
kHz
OSC
FMIN
Δ
OSC
Nominal Minimum Frequency
GBD
-
250
-
kHz
Total Variation
FS = 250kHz to 2MHz, VFF = 3.3V to 20V
-17
-
+17
%
Δ
V
OSC
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
VCC = 5V
0.068
-
VCC - 1.8V
V
V
REFIN_OS
External Reference Offset
REFIN = 0.6V
-1.8
0
2.2
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
-
11
mV
C
REFOUT_MIN
Minimum Load Capacitance
REFOUT = 1.25V
-
1.0
-
μ
F
V
REFIN_DIS
Input Disable Voltage
VCC = 5V
VCC - 0.6
-
VCC - 0.58
V
REFERENCE
V
REF_COM
Reference Voltage
T
A
= 0°C to +70°C
0.587
0.591
0.595
V
V
REF_IND
T
A
= -40°C to +85°C
0.585
0.591
0.597
V
V
SYS_COM
System Accuracy
T
A
= 0°C to +70°C
-0.68
-
0.68
%
V
SYS_IND
T
A
= -40°C to +85°C
-1.0
-
1.0
%
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
V
OFFSET_IND
Offset
-1.9
0
1.9
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
INTERNAL LINEAR REGULATOR
I
VIN
Maximum Current
-
200
-
mA
Electrical Specifications
Recommended Operating Conditions, Unless Otherwise Noted
(Continued)
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
ISL6540A
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ISL6540ACRZ Single-Phase Buck PWM Controller with Integrated High Speed MOSFET Driver and Pre-Biased Load Capability
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