參數(shù)資料
型號： ISL6421ERZ-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)： 5/10頁
文件大?。?/td> 261K
代理商： ISL6421ERZ-T
5
LINEAR REGULATOR
Drop-out Voltage
Iout = 450mA (Note 4)
-
1.2
-
V
DSQIN PIN
DSQIN pin logic Low
-
-
1.5V
V
DSQIN pin Logic HIGH
3.5
-
-
V
DSQIN pin Input Current
-
1
-
μ
A
CURRENT SENSE
Current Limiting Threshold (max. input)
150
200
250
mV
Input Bias Current
I
BIAS
-
700
-
nA
Over Current 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.
Electrical Specifications
V
CC
= 12V, T
A
= -20
o
C to +85
o
C, unless otherwise noted. Typical values are at T
A
= 25
o
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
ISL6421
相關(guān)PDF資料
PDF描述
ISL6421ER-T Single Output LNB Supply and Control Voltage Regulator with I2C Interface for Advanced Satellite Set-top Box Designs
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ISL6421 Single Output LNB Supply and Control Voltage Regulator with I2C Interface for Advanced Satellite Set-top Box Designs
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ISL6421EVAL1 功能描述:EVALUATION BOARD 1 ISL6421 RoHS:否 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - DC/DC 與 AC/DC（離線）SMPS 系列:- 產(chǎn)品培訓模塊:Obsolescence Mitigation Program 標準包裝:1 系列:True Shutdown™ 主要目的:DC/DC，步升 輸出及類型:1，非隔離 功率 - 輸出:- 輸出電壓:- 電流 - 輸出:1A 輸入電壓:2.5 V ~ 5.5 V 穩(wěn)壓器拓撲結(jié)構(gòu):升壓 頻率 - 開關(guān):3MHz 板類型:完全填充 已供物品:板 已用 IC / 零件:MAX8969
ISL6422BERZ 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 DL LNB SUPPLY + CONT VAGEG W/I2C RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT
ISL6422BERZ-T 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 DL LNB SUPPLY + CONT VAGEG W/I2C RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT
ISL6422BEVEZ 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 DL LNB SUPPLY + CONT VAGEG W/I2C RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT
ISL6422BEVEZ-T 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 DL LNB SUPPLY + CONT VAGEG W/I2C RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT
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