参数资料
型号: ISL8120IRZ
厂商: Intersil
文件页数: 14/35页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM VM 32-QFN
标准包装: 60
PWM 型: 电压模式
输出数: 2
频率 - 最大: 1.5MHz
占空比: 90%
电源电压: 3 V ~ 22 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: 32-VFQFN 裸露焊盘
包装: 管件
产品目录页面: 1244 (CN2011-ZH PDF)
ISL8120
Absolute Maximum Ratings
Thermal Information
Input Voltage, VIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +27V
Thermal Resistance (Typical Notes 1, 2)
θ JA (°C/W)
θ JC (°C/W)
Driver Bias Voltage, PVCC . . . . . . . . . . . . . . . . . . . . -0.3V to +6.5V
Signal Bias Voltage, VCC . . . . . . . . . . . . . . . . . . . . . -0.3V to +6.5V
BOOT/UGATE Voltage, V BOOT . . . . . . . . . . . . . . . . . . -0.3V to +36V
Phase Voltage, V PHASE . . . . . . . . . . V BOOT - 7V to V BOOT + 0.3V
BOOT to PHASE Voltage, V BOOT - V PHASE . . -0.3V to VCC +0.3V
32 Ld QFN Package . . . . . . . . . . . . . . 32 3.5
Maximum Junction Temperature . . . . . . . . . . . . . . .-55°C to +150°C
Maximum Storage Temperature Range . . . . . . . . . .-65°C to +150°C
Pb-Free Reflow Profile. . . . . . . . . . . . . . . . . . . . . . . . .see link below
Input, Output or I/O Voltage . . . . . . . . . . . . . . . . -0.3V to VCC +0.3V
Recommended Operating Conditions
Input Voltage, VIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3V to 22V
Driver Bias Voltage, PVCC . . . . . . . . . . . . . . . . . . . . . . . 3V to 5.6V
Signal Bias Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . 3V to 5.6V
Boot to Phase Voltage (Overcharged), V BOOT - V PHASE . . . . . .<6V
Commercial Ambient Temperature Range. . . . . . . . . . 0°C to +70°C
Industrial Ambient Temperature Range . . . . . . . . . . .-40°C to +85°C
Maximum Junction Temperature Range . . . . . . . . . . . . . . . . +125°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.
2. For θ JC , the “case temp” location is the center of the exposed metal pad on the package underside.
Electrical Specifications
Recommended Operating Conditions, Unless Otherwise Noted.
MIN
MAX
PARAMETER
SYMBOL
TEST CONDITIONS
(Note 4)
TYP
(Note 4)
UNITS
VCC SUPPLY CURRENT
Nominal Supply VIN Current
I Q_VIN
VIN = 20V; VCC = PVCC; No Load;
11
15
20
mA
F SW = 500kHz
Nominal Supply VIN Current
I Q_VIN
VIN = 3.3V;VCC = PVCC; No Load;
8
12
14
mA
F SW = 500kHz
Shutdown Supply PVCC Current
Shutdown Supply VCC Current
I PVCC
I VCC
EN = 0V, PVCC = 5V
EN = 0V, VCC = 3V
0.5
7
1
10
1.4
12
mA
mA
INTERNAL LINEAR REGULATOR
Maximum Current (Note 3)
Saturated Equivalent Impedance (Note 3)
I PVCC
R LDO
PVCC = 4V TO 5.6V
PVCC = 3V TO 4V
P-Channel MOSFET (VIN = 5V)
250
150
1
mA
mA
Ω
PVCC Voltage Level
PVCC
I PVCC = 0mA to 250mA
5.1
5.4
5.6
V
POWER-ON RESET
Rising VCC Threshold
Falling VCC Threshold
2.85
2.65
2.97
2.75
V
V
Rising PVCC Threshold
Falling PVCC Threshold
ISL8120CRZ
ISL8120IRZ
2.85
2.85
2.65
2.97
3.05
2.75
V
V
System Soft-start Delay (Note 3)
t SS_DLY
After PLL, VCC, and PVCC PORs, and
384
Cycles
EN(s) above their thresholds
ENABLE
Turn-On Threshold Voltage
0.75
0.8
0.86
V
Hysteresis Sink Current
I EN_HYS
25
30
35
μA
14
March 20, 2009
FN6641.0
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