參數(shù)資料
型號(hào)： 5962-9326501VCA
廠商： TEXAS INSTRUMENTS INC
元件分類： 模擬信號(hào)調(diào)理
英文描述： SPECIALTY ANALOG CIRCUIT, CDIP14
封裝： CERAMIC, DIP-14
文件頁(yè)數(shù)： 16/20頁(yè)
文件大?。?/td> 1299K
代理商： 5962-9326501VCA
UC1832
UC2832/3
UC3832/3
APPLICATION AND OPERATION INFORMATION (cont.)
UDG-92042-1
UDG-92043-1
PNP Pass (Low Drop-Out Regulator) (UCx833)
NPN Pass (Medium Power, Low Drop-Out Regulator) (UCx832)
For any power supply, the rate at which the total output
capacitance can be charged depends on the maximum
output current available and on the nature of the load. For
a constant-current current-limited power supply, the out-
put will come up if the load asks for less than the maxi-
mum available short-circuit limit current.
To guarantee recovery of a duty-ratio current-limited
power supply from a short-circuited load condition, there
is a maximum total output capacitance which can be
charged for a given unit ON time. The design value of ON
time can be adjusted by changing the timing capacitor.
Nominally, TON = 0.693 x 10k x CT.
Typically, the IC regulates output current to a maximum of
IMAX = K x ITH, where ITH is the timer trip-point current,
and
K
=
Current Sense Amplifier Offset Voltage
100
mA
≈1.35 for UCx833, and is variable from 1.35 to 3.05
with VADJ for the UCx832.
For a worst-case constant-current load of value just less
than ITH, CMAX can be estimated from:
CMAX
= ((K1)ITH) (
TON
VOUT
),
where VOUT is the nominal regulator output voltage.
For a resistive load of value RL, the value of CMAX can be
estimated from:
CMAX
=
TON
RL
1
In [
(1
VOUT
K
ITH RL)
1
]
.
Estimating Maximum Load Capacitance
5
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
5962-9326502M2A 制造商:Texas Instruments 功能描述:LDO Cntrlr REG 2V 20-Pin LCCC 制造商:Rochester Electronics LLC 功能描述:- Bulk
5962-9326701M2C 功能描述:監(jiān)控電路 5P Supervisory Circuit RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過(guò)電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開(kāi)關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel
5962-9326701MPA 功能描述:監(jiān)控電路 MCU Supervisor RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過(guò)電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開(kāi)關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel
5962-9326702M2C 功能描述:監(jiān)控電路 RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過(guò)電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開(kāi)關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel
5962-9326702MPA 功能描述:監(jiān)控電路 MCU Supervisor RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過(guò)電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開(kāi)關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel
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