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參數(shù)資料
| 型號： | ISL6425ERZ-T |
| 廠商： | INTERSIL CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Single Output LNB Supply and Control Voltage Regulator with I2C Interface for Advanced Satellite Set-top Box Designs |
| 中文描述： | 0.95 A SWITCHING CONTROLLER, 240 kHz SWITCHING FREQ-MAX, PQCC32 |
| 封裝： | 5 X 5 MM, LEAD FREE, PLASTIC, MO-220VHHD-2, QFN-32 |
| 文件頁數(shù)： | 6/12頁 |
| 文件大?。?/td> | 285K |
| 代理商： | ISL6425ERZ-T |
6
FN9176.1
February 8, 2005
LINEAR REGULATOR
Drop-Out Voltage
Iout = 450mA (Note 4)
-
1.2
-
V
DSQIN, SEL18V INPUT PINs
(Note 6)
Asserted Low
-
-
0.8
V
Asserted HIGH
1.7
-
-
V
Input Current
-
1
-
μ
A
CURRENT SENSE
Input Bias Current
I
BIAS
-
700
-
nA
Overcurrent Threshold
Static current mode, DCL = H
325
400
500
mV
ERROR AMPLIFIER
Open Loop Voltage Gain
A
OL
(Note 4)
70
88
-
dB
Gain Bandwidth Product
GBP
(Note 4)
10
-
-
MHz
PWM
Maximum Duty Cycle
90
93
-
%
Minimum Pulse Width
(Note 4)
-
20
-
ns
OSCILLATOR
Oscillator Frequency
f
o
Fixed at (10)(f
tone
)
200
220
240
kHz
THERMAL PROTECTION
Thermal Shutdown
Temperature Shutdown Threshold
(Note 4)
-
150
-
Temperature Shutdown Hysteresis
(Note 4)
-
20
-
NOTES:
3. Internal Digital Soft-start
4. Voltage programming signals VSEL and LLC are implemented via the I
2
C bus.
IO = 450mA.
5. Guaranteed by Design.
6. Unused DSQIN pin should be connected to GND. SEL18V pins is internally connected to GND by a 200K resistor.
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, LLC = L,
ENT = L, DCL = L, DSQIN = L, I
OUT
= 12mA, unless otherwise noted. See software description section for I
2
C
access to the system.
(Continued)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNITS
ISL6425
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| ISL6425EVAL2 | 功能描述:EVAL BOARD 2 FOR ISL6425 RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:* 標準包裝:75 系列:- PWM 型:電流模式 輸出數(shù):1 頻率 - 最大:1MHz 占空比:81% 電源電壓:4.3 V ~ 13.5 V 降壓:是 升壓:是 回掃:是 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:無 工作溫度:0°C ~ 70°C 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 包裝:管件 產品目錄頁面:1051 (CN2011-ZH PDF) 其它名稱:296-2543-5 |
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| ISL6426CV | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Intersil Corporation 功能描述: |
| ISL6426IB | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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