参数资料
型号: ISL8126IRZ-TK
厂商: Intersil
文件页数: 17/39页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM VM 32-QFN
标准包装: 1,000
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 ~ 5.6 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: 带卷 (TR)
ISL8126
Absolute Maximum Ratings
Input Voltage, VIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +28V
Driver Bias Voltage, PVCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +6.0V
Signal Bias Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +6.5V
BOOT/UGATE Voltage, V BOOT . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +35V
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
Input, Output or I/O Voltage . . . . . . . . . . . . . . . . . . . . . . -0.3V to VCC +0.3V
ESD Rating
Human Body Model (Tested per JESD22-A114F) . . . . . . . . . . . . . . . . 3kV
Machine Model (Tested per JESD22-A115C) . . . . . . . . . . . . . . . . . 200V
Charged Device Model (Tested per JESD22-C101D) . . . . . . . . . . . . . 1kV
Latch Up (Tested per JESD-78C; Class 2, Level A) . . . . . . . . . . . . . . 100mA
Thermal Information
Thermal Resistance (Typical Notes 6, 7) θ JA (°C/W) θ JC (°C/W)
32 Ld QFN Package . . . . . . . . . . . . . . . . . . 31 3
Maximum Junction Temperature . . . . . . . . . . . . . . . . . . . .-55°C to +150°C
Maximum Storage Temperature Range . . . . . . . . . . . . . .-65°C to +150°C
Pb-Free Reflow Profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . see link below
Recommended Operating Conditions
Input Voltage, VIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3V to 26.5V
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
Temperature
ISL8126CRZ (Commercial) . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to +70°C
ISL8126IRZ (Industrial) . . . . . . . . . . . . . . . . . . . . . . . . . . . -40°C to +85°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:
6. 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 .
7. 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. Boldface limits apply over the
operating temperature range, -40°C to +85°C (Industrial) or 0°C to +70°C (Commercial).
MIN
MAX
PARAMETER
SYMBOL
TEST CONDITIONS
(Note 9)
TYP
(Note 9)
UNITS
VCC SUPPLY CURRENT
Nominal Supply VIN Current
Nominal Supply VIN Current
Shutdown Supply PVCC Current
Shutdown Supply VCC Current
I Q_VIN
I Q_VIN
I PVCC
I VCC
V IN = 20V; VCC = PVCC; F SW = 500kHz;
UGATE, LGATE = open
V IN = 3.3V; VCC = PVCC;
F SW = 500kHz; UGATE, LGATE = open
EN = 0V, PVCC = 5V
EN = 0V, VCC = 3V
11
7
0.5
5
15
12
1
10
22
14
2.0
12
mA
mA
mA
mA
INTERNAL LINEAR REGULATOR
Current Limit Threshold
Saturated Equivalent Impedance (Note 8)
I PVCC
R LDO
V IN = 6V; PVCC = 4V
P-Channel MOSFET (V IN = 5V)
320
1
mA
Ω
PVCC Voltage Level
PVCC
I PVCC = 0mA; V IN = 12V
5.15
5.40
5.60
V
POWER-ON RESET
Rising VCC Threshold
Falling VCC Threshold
Rising PVCC Threshold
Falling PVCC Threshold
2.85
2.65
2.85
2.65
2.97
2.75
2.97
2.75
V
V
V
V
System Soft-start Delay (Note 8)
t SS_DLY
After PLL, VCC, and PVCC PORs, and EN(s)
above their thresholds
192
Cycles
ENABLE
Turn-On Threshold Voltage
0.75
0.8
0.86
V
Hysteresis Sink Current
I EN_HYS
0°C < T A <+85°C
-40°C < T A <+85°C
24
21
30
30
35
35
μA
μA
17
FN7892.1
August 16, 2012
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