参数资料
| 型号： | ISL6422ERZ-T |
| 厂商： | Intersil |
| 文件页数： | 5/19页 |
| 文件大小： | 0K |
| 描述： | IC VREG DUAL LNB W/I2C 40-QFN |
| 标准包装： | 4,000 |
| 应用： | 转换器，卫星信号接收机顶盒设计 |
| 输入电压： | 8 V ~ 14 V |
| 输出数： | 2 |
| 输出电压： | 13.3 V ~ 18.3 V，14.3 V ~ 19.3 V |
| 工作温度： | -20°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 40-VFQFN 裸露焊盘 |
| 供应商设备封装： | 40-QFN（6x6） |
| 包装： | 带卷 (TR) |
ISL6422
Absolute Maximum Ratings
Thermal Information
Supply Voltage, V CC . . . . . . . . . . . . . . . . . . . . . . . . . . 8.0V to 18.0V
Thermal Resistance (Typical, Notes 2, 3)
θ JA (°C/W)
θ JC (°C/W)
Logic Input Voltage Range
(SDA, SCL, ENT, DSQIN1 and DSQIN2,
SEL18V1 and SEL18V2) . . . . . . . . . . . . . . . . . . . . . . -0.5V to 7V
EPTSSOP Package . . . . . . . . . . . . . . . 29 4
QFN Package. . . . . . . . . . . . . . . . . . . . 34 6
Maximum Junction Temperature (Note 4) . . . . . . . . . . . . . . . +150°C
Maximum Storage Temperature Range . . . . . . . . . . -40°C to +150°C
Pb-free reflow profile . . . . . . . . . . . . . . . . . . . . . . . . . .see link below
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:
2. 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.
3. For θ JC , the "case temp" location is the center of the exposed metal pad on the package underside.
4. The device junction temperature should be kept below +150°C. Thermal shut-down circuitry turns off the device if junction temperature exceeds
+150°C typically.
Electrical Specifications
V CC = 12V, T A = -20°C to +85°C, unless otherwise noted. Typical values are at T A = +25°C. EN1 = EN2 = H,
VTOP1 = VTOP2 = L, ENT1 = ENT2 = L, DCL = L, DSQIN1 = DSQIN2 = L, I OUT = 12mA, unless otherwise
noted. See “ISL6422 Software Description” on page 12 for I 2 C access to the system.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNITS
Operating Supply Voltage Range
Standby Supply Current
EN1 = EN2 = L
8
12
1.5
14
3.0
V
mA
Supply Current
I IN
EN1 = EN2 = VTOP1 = VTOP2 = VBOT1 =
4.0
8.0
mA
VBOT2 = ENT1 = ENT2 = H, No Load
UNDERVOLTAGE LOCKOUT
Start Threshold
Stop Threshold
7.5
7.0
7.95
7.55
V
V
Start to Stop Hysteresis
350
400
500
mV
SOFT-START
COMP Rise Time (Note 5)
(Note 5)
8196
Cycles
Output Voltage (Note 5)
Line Regulation
Load Regulation
V OUT1
V OUT1
V OUT1
V OUT1
V OUT2
V OUT2
V OUT2
V OUT2
DV OUT1,
DV OUT2
DV OUT1,
DV OUT2
(Refer to Table 11)
(Refer to Table 11)
(Refer to Table 11)
(Refer to Table 11)
(Refer to Table 15)
(Refer to Table 15)
(Refer to Table 15)
(Refer to Table 15)
V IN = 8V to 14V; V OUT1 , V OUT2 = 13V
V IN = 8V to 14V; V OUT1 , V OUT2 = 18V
I O = 12mA to 350mA
I O = 12mA to 750mA
13.04
14.02
17.94
19.00
13.04
14.02
17.94
19.00
13.3
14.3
18.3
19.3
13.3
14.3
18.3
19.3
4.0
4.0
50
100
13.56
14.58
18.66
19.68
13.56
14.58
18.66
19.68
40.0
60.0
80
200
V
V
V
V
V
V
V
V
mV
mV
mV
mV
5
FN9190.2
August 10, 2007
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| ISL6422EVEZ | 功能描述:电流型 PWM 控制器 DL LNB SUPPLY + CONT VAGEG W/I2C RoHS:否 制造商:Texas Instruments 开关频率:27 KHz 上升时间: 下降时间: 工作电源电压:6 V to 15 V 工作电源电流:1.5 mA 输出端数量:1 最大工作温度:+ 105 C 安装风格:SMD/SMT 封装 / 箱体:TSSOP-14 |
| ISL6422EVEZ-T | 功能描述:电流型 PWM 控制器 DL LNB SUPPLY + CONT VAGEG W/I2C RoHS:否 制造商:Texas Instruments 开关频率:27 KHz 上升时间: 下降时间: 工作电源电压:6 V to 15 V 工作电源电流:1.5 mA 输出端数量:1 最大工作温度:+ 105 C 安装风格:SMD/SMT 封装 / 箱体:TSSOP-14 |
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