参数资料
型号: ISL6315IRZ-T
厂商: Intersil
文件页数: 4/20页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM VM 24-QFN
标准包装: 6,000
PWM 型: 电压模式
输出数: 1
频率 - 最大: 255kHz
占空比: 67%
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: -40°C ~ 85°C
封装/外壳: 24-VFQFN 裸露焊盘
包装: 带卷 (TR)
ISL6315
Absolute Maximum Ratings
Thermal Information
Supply Voltage, VCC, PVCC . . . . . . . . . . . . . . . . . . -0.3V to +6.25V
Thermal Resistance
θ JA (°C/W)
θ JC (°C/W)
Absolute Boot Voltage, V BOOT . . . . . PGND - 0.3V to PGND + 27V
Phase Voltage, V PHASE . . . . . . . . . . V BOOT - 7V to V BOOT + 0.3V
Upper Gate Voltage, V UGATE . . . . V PHASE - 0.3V to V BOOT + 0.3V
Lower Gate Voltage, V LGATE . . . . . . . . PGND - 0.3V to VCC + 0.3V
Input, Output, or I/O Voltage . . . . . . . . . GND - 0.3V to VCC + 0.3V
QFN Package (Notes 1, 2). . . . . . . . . . 45 7.5
Maximum Junction Temperature . . . . . . . . . . . . . . . . . . . . . . +150°C
Maximum Storage Temperature Range . . . . . . . . . .-65°C to +150°C
Pb-free reflow profile . . . . . . . . . . . . . . . . . . . . . . . . . .see link below
ESD Classification . . . . . . . . . . . . . . . . . . HBM Class 1 JEDEC STD
Recommended Operating Conditions
Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +5V ± 5%
Ambient Temperature. . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to +70°C
CAUTION: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions may adversely impact product reliability and
result in failures not covered by warranty.
NOTES:
1. 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.
2. For θ JC , the “case temp” location is the center of the exposed metal pad on the package underside.
Electrical Specifications
Test Conditions: V CC = 5V, T J = 0°C to +85°C, Unless Otherwise Specified
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
BIAS SUPPLY AND INTERNAL OSCILLATOR
Input Bias Supply Current
VCC POR (Power-On Reset) Threshold
PVCC POR (Power-On Reset) Threshold
Switching Frequency (per channel)
Oscillator Ramp Amplitude
Maximum Duty Cycle (Note 3)
I VCC ; ENLL = high
VCC Rising
VCC Falling
PVCC Rising
PVCC Falling
T J = +25°C to +85°C
T J = -40°C
V P-P
-
4.2
3.7
-
-
189
166
-
-
4
4.4
3.9
4.3
3.3
222
205
1.33
67
6
4.6
4.1
-
-
255
241
-
-
mA
V
V
V
V
kHz
kHz
V
%
CONTROL THRESHOLDS
ENLL Rising Threshold
ENLL Falling Threshold
-
-
0.645
0.567
-
-
V
mV
REFERENCE AND DAC
System Accuracy
DAC Input Low Voltage
DAC Input High Voltage
T J = -40°C to +85°C
-1
-1.5
-
0.8
-
-
-
-
1
1.5
0.4
-
%
%
V
V
DAC Input Pull-Up Current
VIDx = 0V
-
45
-
μ A
ERROR AMPLIFIER
DC Gain (Note 3)
Gain-Bandwidth Product (Note 3)
Slew Rate (Note 3)
Maximum Output Voltage
Minimum Output Voltage
R L = 10k to ground
C L = 100pF, R L = 10k to ground
C L = 100pF, Load = ± 400 μ A
Load = 1mA
Load = -1mA
-
-
-
3.90
-
96
20
8
4.20
0.80
-
-
-
-
0.90
dB
MHz
V/ μ s
V
V
OVERCURRENT PROTECTION
Overcurrent Trip Level
72
95
115
μ A
4
FN9222.1
July 18, 2007
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