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參數(shù)資料
| 型號： | MCZ34653EFR2 |
| 廠商： | Freescale Semiconductor |
| 文件頁數(shù)： | 13/24頁 |
| 文件大?。?/td> | 1649K |
| 描述： | IC HOTSWAP CTRLR 1A NEG 8-SOIC |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 類型： | 熱交換開關(guān) |
| 應(yīng)用： | 通用 |
| 內(nèi)部開關(guān)： | 是 |
| 電流限制： | 1A |
| 電源電壓： | 36 V ~ 80 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-SOIC（0.154"，3.90mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 8-SOICN |
| 包裝： | 帶卷 (TR) |
Analog Integrated Circuit Device Data
Freescale Semiconductor
13
34653
FUNCTIONAL DEVICE OPERATION
OPERATIONAL MODES
rchived by Freescale Semiconductor, Inc., 2008
STATE MACHINE
Figure 13
is a representation of the 34653 behavior in
different modes of operation.
Figure 13. State Diagram
MOSFET ?OFF
PG = 0
Undervoltage
MOSFET ?OFF
PG = 0
Power Off
Temp < 135癈
Filter = 12約
V
PWR
< V
UVLOF
Filter = 1.0ms
A signal set is generated to check
resistors on UV, ILIM, ICHG, and
TIMER pins and 128約 later
the OV pin
Retry Fault
STOP
Toggle DISABLE
or cycle Power Off
then On to clear fault
Power
Good Check
and V
DS
< 500mV
for 20ms
Charging Mode
N d 10
Turn Off
MOSFET ?OFF
PG = 0
PG = 1
N = 0
V
PWR
> V
UVLOR
Filter = 1.0 ms
Filter = 3.0 ms
I
LOAD
> I
LIM
I
LOAD
< I
LIM
- I
LIMHY
Short Circuit
Detection
Fast Gate Discharge
< 10約
I
LOAD
> I
SHORT
Overcurrent
for > 3.0 ms
Pass PG
Check
Fail PG
Check
N > 10
for 100 約
V
PWR
< V
UV(OFF)
Filter = 1.0ms
MOSFET ?OFF
PG = 0
Overvoltage
V
PWR
< V
OV(ON)
V
PWR
> V
OV(OFF)
Filter = 1.0ms
Filter = 1.0ms
PG = 0
MOSFET ?OFF
Temp > 160癈
Filter = 12約
Thermal
Shutdown
Ext. Resistor Check
POR is generated
N = 0
MOSFET ?OFF
PG = 0
DISABLE
POR is generated
N = 0
DISABLE = 1
Filter = 1.0ms
DISABLE = 0
Filter = 1.0 ms
V
PWR
> V
UV(ON)
Filter = 1.0ms
If I
LOAD
< I
LIM
Overcurrent Mode
Normal Operation
V
DS
< 500mV
Start-Up Conditions
" Thermal Shutdown < 160癈
Filter = t
TIMER
" V
PWR
> V
UV(OFF)
" V
PWR
< V
OV(OFF)
N = N + 1
" DISABLE = 0
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| MCZ34670EG | 功能描述:熱插拔功率分布 POWER OVER ETHERNET RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
| MCZ34670EG/R2 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:IEEE 802.3af PD With Current Mode Switching Regulator |
| MCZ34670EGR2 | 功能描述:熱插拔功率分布 POWER OVER ETHERNET RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
| MCZ34701EW | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 1.5A Sw-Mode Power Supply w/Linear Reg 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(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| MCZ34701EWR2 | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 1.5A Sw-Mode Power Supply w/Linear Reg 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(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
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