参数资料
| 型号： | ISL6423ERZ-T |
| 厂商： | Intersil |
| 文件页数： | 5/16页 |
| 文件大小： | 0K |
| 描述： | IC VREG SGL LNB W/I2C 24-QFN |
| 标准包装： | 6,000 |
| 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： | 1 |
| 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： | 24-VFQFN 裸露焊盘 |
| 供应商设备封装： | 24-QFN 裸露焊盘（4x4） |
| 包装： | 带卷 (TR) |
ISL6423
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, DSQIN 1 and 2, SEL18V 1 and 2) . . -0.5V to 7V
QFN Package. . . . . . . . . . . . . . . . . . . . 38 4.5
TSSOP Package . . . . . . . . . . . . . . . . . 35 2.5
Maximum Junction Temperature (Note 4) . . . . . . . . . . . . . . . +150°C
Maximum Storage Temperature Range . . . . . . . . . . -40°C to +150°C
Operating Temperature Range . . . . . . . . . . . . . . . . . -20°C to +85°C
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the
device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
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. EN = H, VTOP
VBOT = L, ENT = L, DCL = L, Iout = 12mA, unless otherwise noted. See software description section for I 2 C
access to the system.
PARAMETER
Operating Supply Voltage Range
Standby Supply Current
Supply Current
SYMBOL
I IN
TEST CONDITIONS
EN = L
EN = VTOP = VBOT = ENT = H, No Load
MIN
8
-
-
TYP
12
1.5
4.0
MAX
14
3.0
8.0
UNITS
V
mA
mA
UNDERVOLTAGE LOCKOUT
Start Threshold
Stop Threshold
Start to Stop Hysteresis
7.5
7.0
350
-
-
400
7.95
7.6
500
V
V
mV
SOFT-START
COMP Rise Time (Note 5)
(Note 5)
-
8196
-
Cycles
Output Voltage (Note 5)
Line Regulation
Load Regulation
Dynamic Output Current Limiting
Dynamic Overload Protection Off Time
Dynamic Overload Protection On Time
Static Output Current Limiting
Cable Fault CABF Threshold
V O1
V O1
V O1
V O1
DV O1,
DV O2
DV O1,
DV O2
I MAX
TOFF
TON
I MAX
I CAB
(Refer to Table 1)
(Refer to Table 1)
(Refer to Table 1)
(Refer to Table 1)
V IN = 8V to 14V; V O = 13.3V
V IN = 8V to 14V; V O = 18.3V
I O = 0mA to 350mA
I O = 0mA to 750mA
DCL = 0, ISEL H = 0, ISEL L = 0 (Note 8)
DCL = 0, ISEL H = 0, ISEL L = 1 (Note 8)
DCL = 0, ISEL H = 1, ISEL L = 0 (Note 8)
DCL = 0, ISEL H = 1, ISEL L = 1 (Note 8)
DCL = 0, Output Shorted (Note 8)
DCL = 1 (Note 8)
EN = 1, V O = 19V, No Tone
13.04
14.02
17.94
19.00
-
-
-
-
275
515
635
800
-
-
-
2
13.3
14.3
18.3
19.3
4.0
4.0
50
100
305
570
705
890
900
20
990
10
13.56
14.58
18.66
19.68
40.0
60.0
80
200
345
630
775
980
-
-
-
20
V
V
V
V
mV
mV
mV
mV
mA
mA
mA
mA
ms
ms
mA
mA
5
FN9191.2
December 5, 2008
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