参数资料
型号: ISL6552CR-T
厂商: Intersil
文件页数: 7/18页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM 20-QFN
标准包装: 6,000
PWM 型: 控制器
输出数: 1
频率 - 最大: 1.5MHz
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: 20-VQFN 裸露焊盘
包装: 带卷 (TR)
ISL6552
Absolute Maximum Ratings
Thermal Information
Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .+7V
Thermal Resistance
θ JA ( o C/W)
θ JC ( o C/W)
Input, Output, or I/O Voltage . . . . . . . . . . GND -0.3V to VCC + 0.3V
ESD Classification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5KV
Recommended Operating Conditions
Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +5V ± 5%
Ambient Temperature. . . . . . . . . . . . . . . . . . . . . . . . . . . 0 o C to 70 o C
SOIC Package (Note 1) . . . . . . . . . . . . 65 NA
QFN Package (Notes 2, 3) . . . . . . . . . . 33 4.5
Maximum Junction Temperature . . . . . . . . . . . . . . . . . . . . . . .150 o C
Maximum Storage Temperature Range . . . . . . . . . . -65 o C to 150 o C
Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . .300 o C
(SOIC - Lead Tips Only)
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the
device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
NOTE:
1. θ JA is measured with the component mounted on a high effective thermal conductivity test board in free air. See Tech Brief TB379 for details.
2. θ JA is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features. See
Tech Brief TB379.
3. For θ JC , the “case temp” location is the center of the exposed metal pad on the package underside.
Electrical Specifications
Operating Conditions: VCC = 5V, T A = 0 o C to 70 o C, Unless Otherwise Specified
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
INPUT SUPPLY POWER
Input Supply Current
POR (Power-On Reset) Threshold
R T = 100k ?
VCC Rising
VCC Falling
-
4.25
3.75
10
4.38
3.88
15
4.5
4.00
mA
V
V
REFERENCE AND DAC
DAC Voltage Accuracy
DAC Pin Input Low Voltage Threshold
DAC Pin Input High Voltage Threshold
-1
-
2.0
-
-
-
1
0.8
-
%
V
V
VID Pull-Up
VIDx = 0V or VIDx = 3V
10
20
40
μ A
OSCILLATOR
Frequency, F SW
Adjustment Range
Disable Voltage
R T = 100k ?, ± 1%
(See Figure 10)
Maximum voltage at FS/DIS to disable controller. I FS/DIS = 1mA.
224
0.05
-
280
-
1.2
336
1.5
1.0
kHz
MHz
V
ERROR AMPLIFIER
DC Gain
Gain-Bandwidth Product
Slew Rate
Maximum Output Voltage
Minimum Output Voltage
R L = 10K to ground
C L = 100pF, R L = 10K to ground
C L = 100pF, R L = 10K to ground
R L = 10K to ground
R L = 10K to ground
-
-
-
3.6
-
72
18
5.3
4.1
0.16
-
-
-
-
0.5
dB
MHz
V/ μ s
V
V
ISEN
Full Scale Input Current
Over-Current Trip Level
-
-
50
82.5
-
-
μ A
μ A
POWER GOOD MONITOR
Under-Voltage Threshold
Under-Voltage Threshold
PGOOD Low Output Voltage
VSEN Rising
VSEN Falling
I PGOOD = 4mA
-
-
-
0.92
0.90
0.18
-
-
0.4
V DAC
V DAC
V
PROTECTION
Over-Voltage Threshold
Percent Over-Voltage Hysteresis
VSEN Rising
VSEN Falling after Over-Voltage
1.12
-
1.15
2
1.2
-
V DAC
%
7
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