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參數(shù)資料
| 型號(hào)： | ISL6430 |
| 廠商： | Intersil Corporation |
| 英文描述： | Single Sync Buck PWM Controller for Broadband Gateway Applications |
| 中文描述： | 單同步降壓PWM控制器，寬帶網(wǎng)關(guān)應(yīng)用 |
| 文件頁(yè)數(shù)： | 6/12頁(yè) |
| 文件大?。?/td> | 400K |
| 代理商： | ISL6430 |
3
Absolute Maximum Ratings
Thermal Information
Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +15.0V
Boot Voltage, VBOOT - VPHASE . . . . . . . . . . . . . . . . . . . . . . +15.0V
Input, Output or I/O Voltage . . . . . . . . . . . . GND -0.3V to VCC +0.3V
ESD Classification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Class 2
Operating Conditions
Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . +12V ±10%
Ambient Temperature Range. . . . . . . . . . . . . . . . . . . . . 0oC to 70oC
Junction Temperature Range . . . . . . . . . . . . . . . . . . . 0oC to 125oC
Thermal Resistance
θJA (oC/W) θJC (oC/W)
SOIC Package (Note 1) . . . . . . . . . . . .
67
N/A
QFN Package (Note 2). . . . . . . . . . . . .
35
5
Maximum Junction Temperature . . . . . . . . . . . . . . . . . . . . . . 150oC
Maximum Storage Temperature Range . . . . . . . . . -65oC to 150oC
Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . 300oC
(SOIC Lead tips only)
For Recommended soldering conditions see Tech Brief TB389.
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.
NOTE:
1.
θJA is measured with the component mounted on a high effective thermal conductivity test board in free air. See Tech Brief TB379 for details.
2.
θJA is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features. θJC, the
“case temp” is measured at the center of the exposed metal pad on the package underside. See Tech Brief TB379.
Electrical Specifications
Recommended operating conditions, unless otherwise noted.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNITS
VCC SUPPLY CURRENT
Nominal Supply
ICC
EN = VCC; UGATE and LGATE Open
-
5
-
mA
Shutdown Supply
EN = 0V
-
50
100
A
POWER-ON RESET
Rising VCC Threshold
VOCSET = 4.5VDC
-
10.4
V
Falling VCC Threshold
VOCSET = 4.5VDC
8.2
-
V
Enable - Input threshold Voltage
VOCSET = 4.5VDC
0.8
-
2.0
V
Rising VOCSET Threshold
-1.27-
V
OSCILLATOR
Free Running Frequency
RT = OPEN, VCC = 12
185
200
215
kHz
Total Variation
6k
< R
T to GND < 200k
-15
-
+15
%
Ramp Amplitude
VOSC
RT = OPEN
-
1.9
-
VP-P
REFERENCE
Reference Voltage
1.258
1.270
1.282
V
ERROR AMPLIFIER
DC Gain
-88-
dB
Gain-Bandwidth Product
GBW
-
15
-
MHz
Slew Rate
SR
COMP = 10pF
-
6
-
V/
s
GATE DRIVERS
Upper Gate Source
IUGATE
VBOOT - VPHASE = 12V, VUGATE = 6V
350
500
-
mA
Upper Gate Sink
RUGATE
ILGATE = 0.3A
-
5.5
10
Lower Gate Source
ILGATE
VCC = 12V, VLGATE = 6V
300
450
-
mA
Lower Gate Sink
RLGATE
ILGATE = 0.3A
-
3.5
6.5
PROTECTION
OCSET Current Source
IOCSET
VOCSET = 4.5VDC
170
200
230
A
Soft Start Current
ISS
-10-
A
ISL6430
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| ISL6431CB | 功能描述:電壓模式 PWM 控制器 For Home Gateways RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開(kāi)關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel |
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