参数资料
型号: ISL6307ACRZ-T
厂商: Intersil
文件页数: 9/33页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM VM 48-QFN
标准包装: 4,000
PWM 型: 电压模式
输出数: 6
频率 - 最大: 275kHz
占空比: 66.7%
电源电压: 4.75 V ~ 5.25 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: 0°C ~ 70°C
封装/外壳: 48-VFQFN 裸露焊盘
包装: 带卷 (TR)
ISL6307A
Electrical Specifications
Operating Conditions: VCC = 5V or ICC < 25mA. Unless Otherwise Specified (Continued)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
PIN-ADJUSTABLE OFFSET
Voltage at OFS Pin for ISL6307ACRZ
Voltage at OFS Pin for ISL6307AIRZ
Offset resistor connected to ground
Voltage below VCC, offset resistor connected to VCC
Offset resistor connected to ground
Voltage below VCC, offset resistor connected to VCC
392
1.568
388
1.552
400
1.600
400
1.600
408
1.632
412
1.648
mV
V
mV
V
OSCILLATORS
Accuracy of Switching Frequency Setting
R T = 100k ?
225
250
275
kHz
Adjustment Range of Switching Frequency (Note 4)
0.08
-
2.0
MHz
Soft-start Ramp Rate (Note 5, 6)
R SS = 100k ?
-
1.563
-
mV/ μ s
Adjustment Range of Soft-start Ramp Rate (Note 4)
0.625
-
6.25
mV/ μ s
PWM GENERATOR
Sawtooth Amplitude
Max Duty Cycle
-
-
1.5
66.7
-
-
V
%
ERROR AMPLIFIER
Open-Loop Gain
Open-Loop Bandwidth
Slew Rate
Maximum Output Voltage
Output High Voltage @ 2mA
Output Low Voltage @ 2mA
R L = 10k ? to ground (Note 4)
C L = 100pF, R L = 10k ? to ground (Note 4)
C L = 100pF (Note 4)
-
-
-
3.8
3.6
-
96
100
20
4.3
-
-
-
-
-
4.9
-
1.2
dB
MHz
V/ μ s
V
V
V
REMOTE-SENSE AMPLIFIER
Bandwidth
Output High Current
Output High Current
(Note 4)
VSEN - RGND = 2.5V
VSEN - RGND = 0.6
-
-500
-500
20
-
-
-
500
500
MHz
μ A
μ A
PWM OUTPUT
PWM Output Voltage LOW Threshold
PWM Output Voltage HIGH Threshold
Iload = ±500 μ A
Iload = ±500 μ A
-
4.3
-
-
0.5
-
V
V
DRIVER ENABLE OUTPUT
DRVEN Output Voltage LOW
DRVEN Output Voltage HIGH
With 1.250k ? resistor pull up to 5V, I VR_HOT = 4mA
With 1.250k ? resistor pull up to 5V, I VR_HOT = 4mA
-
3.8
-
-
0.9
-
V
V
SENSE CURRENT OUTPUT (IDROOP and IOUT)
Sensed Current Tolerance
Overcurrent Trip Level
Maximum Voltage at IDROOP and IOUT
ISEN1 = ISEN2 = ISEN3 = ISEN4 = ISEN5 = ISEN6 = 80 μ A
76
90
-
80
100
2
84
110
-
μ A
μ A
V
pins
THERMAL MONITORING
TM Input Voltage for VR_FAN Trip
TM Input Voltage for VR_FAN Reset
TM Input Voltage for VR_HOT Trip
TM Input Voltage for VR_HOT Reset
1.6
1.89
1.35
1.6
1.65
1.93
1.4
1.65
1.69
1.98
1.44
1.69
V
V
V
V
Leakage current of VR_HOT
VR_HOT Low Voltage
Leakage Current of VR_FAN
VR_FAN Low Voltage
With external pull-up resistor connected to 5V
With 1.250k ? resistor pull up to 5V, I VR_HOT = 4mA
With external pull-up resistor connected to 5V
With 1.250k ? resistor pull up to 5V, I VR_FAN = 4mA
-
-
-
-
-
-
-
-
30
0.3
30
0.3
μ A
V
μ A
V
9
FN9236.0
February 6, 2006
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