参数资料
型号: ISL8118IRZ
厂商: Intersil
文件页数: 6/20页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM VM 28-QFN
标准包装: 60
PWM 型: 电压模式
输出数: 1
频率 - 最大: 2MHz
占空比: 100%
电源电压: 2.97 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: 28-VFQFN 裸露焊盘
包装: 管件
产品目录页面: 1244 (CN2011-ZH PDF)
ISL8118
Absolute Maximum Ratings
Thermal Information
Input Voltage, VIN, VFF . . . . . . . . . . . . . . . . . . . . . . -0.3V to +22.0V
Thermal Resistance (Notes 1, 2)
θ JA (°C/W)
θ JC (°C/W)
Signal Bias Voltage, VCC . . . . . . . . . . . . . . . . . . . . . -0.3V to +6.0V
Driver Bias Voltage, PVCC . . . . . . . . . . . . . . . . . . . . -0.3V to +6.0V
Boot Voltage, V BOOT . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +36V
LX Voltage, V LX . . . . . . . . . . . . . . . . . V BOOT - 6V to V BOOT + 0.3V
Boot to LX Voltage, V BOOT - V LX . . . . . . . . . . . . . . . . . . . . . . . . .6V
QFN Package . . . . . . . . . . . . . . . . . . 32 5
Maximum Junction Temperature . . . . . . . . . . . . . . . . . . . . . +150°C
Maximum Storage Temperature Range . . . . . . . . . .-65°C to +150°C
Pb-Free Reflow Profilesee link below
Other Input or Output Voltages . . . . . . . . . . . . . -0.3V to VCC +0.3V
ESD Classification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Class 2
Recommended Operating Conditions
Input Voltage, VIN, VFF . . . . . . . . . . . . . . . . . . . . 3.3V to 20V ± 10%
Signal Bias Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . 2.9V to 5.6V
Driver Bias Voltage, PVCC . . . . . . . . . . . . . . . . . . . . . . 2.9V to 5.6V
Boot to LX Voltage (Overcharged), V BOOT - V LX . . . . . . . . . . . .<6V
Ambient Temperature Range . . . . . . . . . . . . . . . . . . .-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.
2. θ JC , "case temperature" location is at the center of the package underside exposed pad. See Tech Brief TB379 for details.
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
Nominal VIN Supply Current
I VIN
VIN = VCC = PVCC = 5V, Fs = 600kHz,
-
0.5
1
mA
TGATE and BGATE Open
Nominal VCC Supply Current
I VCC
VIN = VCC = PVCC = 5V, Fs = 600kHz,
-
8
13
mA
TGATE and BGATE Open
Nominal PVCC Supply Current
I PVCC
VIN = VCC = PVCC = 5V; Fs = 600kHz,
-
3
4
mA
TGATE and BGATE Open
Shutdown VIN Supply Current
Shutdown VCC Supply Current
Shutdown PVCC Supply Current
I VIN_S
I PVCC_S
I VCC_S
EN = 0V, VCC = PVCC = VIN = 5V
EN = 0V, VCC = PVCC = VIN = 5V
EN = 0V, VCC = PVCC = VIN = 5V
-
-
-
0.5
1
3
1
2
4
mA
mA
mA
ENABLE
Input Reference Voltage
Hysteresis Source Current
Maximum Input Voltage
V EN_REF
I EN_HYS
V EN
0.485
7.5
-
0.500
10
VCC+0.3
0.515
11.5
-
V
μA
V
OSCILLATOR
Nominal Maximum Frequency
Nominal Minimum Frequency
Total Variation
Ramp Amplitude
Ramp Bottom
Minimum Usable VFF Voltage
OSC FMAX
OSC FMIN
Δ OSC
Δ V OSC
V OSC_MIN
VFF
(Note 3)
(Note 3)
FSET = 250kHz to 2MHz, VFF = 3.3V to 20V
VCC = 5V
-
-
-17
-
-
-
2000
250
-
0.16*VFF
1.0
3.3
-
-
+17
-
-
-
kHz
kHz
%
V P-P
V
V
POWER-ON RESET
Rising VCC Threshold
Falling VCC Threshold
POR VCC_R
POR VCC_F
2.79
2.59
-
-
2.89
2.69
V
V
6
FN6325.2
November 29, 2012
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