參數(shù)資料
型號： ISL6421
廠商： Intersil Corporation
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： 單輸出LNB電源和控制穩(wěn)壓器，帶有I2C接口的先進(jìn)衛(wèi)星機(jī)頂盒設(shè)計(jì)
文件頁數(shù)： 5/10頁
文件大小： 261K
代理商： ISL6421
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
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ISL6421AER-T 功能描述:IC REG SGL LNB CONTROL 32-QFN RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 專用型 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,000 系列:- 應(yīng)用:電源，ICERA E400，E450 輸入電壓:4.1 V ~ 5.5 V 輸出數(shù):10 輸出電壓:可編程 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:42-WFBGA，WLCSP 供應(yīng)商設(shè)備封裝:42-WLP 包裝:帶卷 (TR)
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ISL6421AERZ-T 功能描述:電流型 PWM 控制器 SINGLE LNBP SUPPLY CONTROL VG 32LD MLFP RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14
ISL6421AEVAL1 制造商:Intersil Corporation 功能描述:SGL OUTPUT LNB SUPPLY AND CONTROL VOLT REG W/ I2C INTRFC FOR - Bulk
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