参数资料
| 型号： | ISL6424ERZ-T |
| 厂商： | Intersil |
| 文件页数： | 5/12页 |
| 文件大小： | 0K |
| 描述： | IC REG DUAL LNBP TTL-INP 32-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： | 2 |
| 输出电压： | 13 V ~ 18 V |
| 工作温度： | -20°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 32-VFQFN 裸露焊盘 |
| 供应商设备封装： | 32-QFN（5x5） |
| 包装： | 带卷 (TR) |
ISL6424
Absolute Maximum Ratings
Supply Voltage, V CC . . . . . . . . . . . . . . . . . . . . . . . . . . 8.0V to 18.0V
Logic Input Voltage Range
(SDA, SCL, ENT, DSQIN 1&2, SEL18V 1&2) . . . . . . -0.5V to 7V
Thermal Information
Thermal Resistance (Typical, Notes 1, 2) θ JA (°C/W) θ JC (°C/W)
QFN Package. . . . . . . . . . . . . . . . . . . . 32 4
Maximum Junction Temperature (Note 3) . . . . . . . . . . . . . . . . 150°C
Maximum Storage Temperature Range . . . . . . . . . . . -40°C to 150°C
Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . . 300°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:
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.
3. 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,
LLC1 = LLC2 = L, ENT1 = ENT2 = L, DCL = L, DSQIN1 = DSQIN2 = 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
EN1 = EN2 = L
EN1 = EN2 = LLC1 = LLC2 = VSEL1 =
VSEL2 = ENT1 = ENT2 = 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
7.55
500
V
V
mV
SOFT-START
COMP Rise Time (Note 4)
(Note 5)
-
512
-
Cycles
Output Voltage (Note 5)
Line Regulation
Load Regulation
Dynamic Output Current Limiting
Dynamic Overload Protection Off Time
Dynamic Overload Protection On Time
V O1
V O1
V O1
V O1
V O2
V O2
V O2
V O2
DV O1,
DV O2
DV O1,
DV O2
I MAX
TOFF
TON
VSEL1 = L, LLC1 = L
VSEL1 = L, LLC1 = H
VSEL1 = H, LLC1 = L
VSEL1 = H, LLC1 = H
VSEL2 = L, LLC2 = L
VSEL2 = L, LLC2 = H
VSEL2 = H, LLC2 = L
VSEL2 = H, LLC2 = H
V IN = 8V to 14V; V O1 , V O2 = 13V
V IN = 8V to 14V; V O1 , V O2 = 18V
I O = 12mA to 350mA
I O = 12mA to 750mA (Note 6)
DCL = L, ISEL1/2 = L
DCL = L, ISEL1/2 = H (Note 6)
DCL = L, Output Shorted (Note 6)
12.74
13.72
17.64
18.62
12.74
13.72
17.64
18.62
-
-
-
-
425
775
-
-
13.0
14.0
18.0
19.0
13.0
14.0
18.0
19.0
4.0
4.0
50
100
-
850
900
20
13.26
14.28
18.36
19.38
13.26
14.28
18.36
19.38
40.0
60.0
80
200
550
950
-
-
V
V
V
V
V
V
V
V
mV
mV
mV
mV
mA
mA
ms
ms
5
FN9175.3
September 13, 2005
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