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參數(shù)資料
| 型號： | L9610C |
| 廠商： | 意法半導體 |
| 英文描述： | PWM Power MOS Controller(PWM功率MOS控制器) |
| 中文描述： | PWM功率馬鞍山控制器（馬鞍山控制器的PWM功率） |
| 文件頁數(shù)： | 5/12頁 |
| 文件大?。?/td> | 193K |
| 代理商： | L9610C |
Afterthe overcurrent protectiontimeis reached,the
powerMOSis switched-off; thisconditionis latched
by settinganinternalflip-flopandis externallymoni-
tored by the low stateof the MON pin.
Toresetthelatchthesupplyvoltagehastofallbelow
V
SL
or the device must be switched off.
UNDER AND OVERVOLTAGE SENSE WITH
LOADDUMP PROTECTION
The undervoltagedetectionfeatureresetsthetimer
and switches off theoutputdrivingsignal when the
supply voltage is less than V
SL
.
If the supply voltage exceeds the max operating
supply voltage value, an internal comparator dis-
ablesthecharge pump, theoscillator andtheexter-
nal powerMOS.
In bothcasesthe thresholdsare providedwith suit-
able hysteresisvalues.
Theloaddumpprotectionfunctionallowsthedevice
to withstand- for a limited time - highovervoltages.
It consists of an active clamping diodewhich limits
the circuit supplyvoltage toV
CLAMP
andan external
current limiting resistor R1. The maximum pulse
supply current (see abs. max. ratings is equal to
0.3A.Thereforethemaximum load dumpvoltageis
given by :
V
DUMP
= V
SC
+ 0.3R
1
In this condition the gate of the powerMOS is held
at the GND pin potentialand thusthe load voltage
is :
V
L
= Vs - V
CLAMP
-V
GS
Figure 1 :
TypicalTransfer Curve.
L9610C - L9611C
5/12
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| L9610C013TR | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 Power MOS Controller RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| L9611 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:PWM POWER MOS CONTROLLER |
| L9611C | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 Power MOS Controller RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| L9612 | 制造商:Leviton Manufacturing Co 功能描述: |
| L9613 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:DATA INTERFACE |
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