参数资料
型号: ISL8105BIRZ-T
厂商: Intersil
文件页数: 4/16页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM VM 10-DFN
标准包装: 6,000
PWM 型: 电压模式
输出数: 1
频率 - 最大: 330kHz
占空比: 100%
电源电压: 6.5 V ~ 14.4 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: 10-VFDFN 裸露焊盘
包装: 带卷 (TR)
ISL8105B
Absolute Maximum Ratings
Bias Voltage, V BIAS . . . . . . . . . . . . . . . . . . . . GND - 0.3V to +15.0V
Boot Voltage, V BOOT . . . . . . . . . . . . . . . . . . . GND - 0.3V to +36.0V
TGATE Voltage, V TGATE . . . . . . . . . . . V LX - 0.3V to V BOOT + 0.3V
BGATE/BSOC Voltage, V BGATE/BSOC . .GND - 0.3 to V BIAS + 0.3V
LX Voltage, V LX . . . . . . . . . . . . . . . . . .GND - 0.3V to V BOOT + 0.3V
Upper Driver Supply Voltage, V BOOT - V LX . . . . . . . . . . . . . . . .15V
Clamp Voltage, V BOOT - V BIAS . . . . . . . . . . . . . . . . . . . . . . . . . .24V
FB, COMP/EN Voltage . . . . . . . . . . . . . . . . . . . . . GND - 0.3V to 6V
Thermal Information
Thermal Resistance (Typical) θ JA (°C/W) θ JC (°C/W)
SOIC Package (Note 1) . . . . . . . . . . . . 95 N/A
DFN Package (Notes 1, 2) . . . . . . . . . . 44 5.5
Maximum Junction Temperature
(Plastic Package) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +150°C
Maximum Storage Temperature Range . . . . . . . . . .-65°C to +150°C
Pb-Free Reflow Profile. . . . . . . . . . . . . . . . . . . . . . . . .see link below
Recommended Operating Conditions
Bias Voltage, V BIAS . . . . . +5V ±10%, +12V ±20%, or 6.5V to 14.4V
Ambient Temperature Range
ISL8105BC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to +70°C
ISL8105BI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-40°C to +85°C
Junction Temperature Range. . . . . . . . . . . . . . . . . .-40°C to +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. 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
Recommended Operating Conditions, Unless Otherwise Noted. Parameters with MIN and/or MAX limits are
100% tested at +25°C, unless otherwise specified. Temperature limits established by characterization and are
not production tested.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNITS
INPUT SUPPLY CURRENTS
Shutdown V BIAS Supply Current
I VBIAS_S
V BIAS = 12V; Disabled
4
5.2
7
mA
DISABLE
Disable Threshold (COMP/EN pin)
V DISABLE
0.375
0.4
0.425
V
OSCILLATOR
Nominal Frequency Range
F OSC
ISL8105BC
ISL8105BI
270
240
300
300
330
330
kHz
kHz
Ramp Amplitude (Note 3)
DV OSC
1.5
V P-P
POWER-ON RESET
Rising V BIAS Threshold
V BIAS POR Threshold Hysteresis
V POR_R
V POR_H
3.9
0.30
4.1
0.35
4.3
0.40
V
V
REFERENCE
Nominal Reference Voltage
V REF
0.6
V
Reference Voltage Tolerance
ISL8105BC (0°C to +70°C)
ISL8105BI (-40°C to +85°C)
-1.0
-1.5
+1.0
+1.5
%
%
ERROR AMPLIFIER
DC Gain (Note 3)
Unity Gain-Bandwidth (Note 3)
Slew Rate (Note 3)
GAIN DC
UGBW
SR
96
20
9
dB
MHz
V/μs
GATE DRIVERS
TGATE Source Resistance
TGATE Source Resistance
TGATE Sink Resistance
R TG-SRCh
R TG-SRCl
R TG-SNKh
V BIAS = 14.5V, 50mA Source Current
V BIAS = 4.25V, 50mA Source Current
V BIAS = 14.5V, 50mA Source Current
3.0
3.5
2.7
Ω
Ω
Ω
4
FN6447.2
April 15, 2010
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