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参数资料
| 型号： | 5962-9326501V2X |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 模拟信号调理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, CQCC20 |
| 封装： | LCC-20 |
| 文件页数： | 41/45页 |
| 文件大小： | 1128K |
| 代理商： | 5962-9326501V2X |
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UC1832/3
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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相关代理商/技术参数 |
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| 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:监控电路 5P Supervisory Circuit RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| 5962-9326701MPA | 功能描述:监控电路 MCU Supervisor RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| 5962-9326702M2C | 功能描述:监控电路 RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| 5962-9326702MPA | 功能描述:监控电路 MCU Supervisor RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
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