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參數(shù)資料
| 型號： | TK11948 |
| 廠商： | TOKO Inc. |
| 英文描述： | VOLTAGE REGULATOR WITH RESET OUTPUT |
| 中文描述： | 調(diào)壓器RESET輸出 |
| 文件頁數(shù)： | 1/23頁 |
| 文件大小： | 134K |
| 代理商： | TK11948 |
January 1999 TOKO, Inc.
Page 1
TK119xx
VIN
VOUT
PTHERMAL
BANDGAP
CONTROL
GND
SHUT
NOISE
RESET
DERROR
FEATURES
I
Very Low Dropout Voltage
I
Reset Output for Microprocessor
I
Very Low Quiescent Current (No Load)
I
Internal Thermal/Overload Shutdown
I
Low Noise Voltage
I
Input and Output Voltage Sense
I
±
2.5 % Output Voltage Accuracy
I
CMOS or TTL On/Off Control
I
High Speed On/Off Transient (50
μ
s typ.)
BLOCK DIAGRAM
TK119xx
DESCRIPTION
The TK119xx series are low power, linear regulators with
built-in electronic switches. Built-in voltage comparators
provide a reset logic ”low” level whenever the input or
output voltage falls outside internally preset limits. The
internal electronic switch can be controlled by CMOS or
TLL levels. The device is in the “off” state when the control
pin is biased “high”.
An internal PNP pass-transistor is used in order to achieve
low dropout voltage (typically 200 mV at 50 mA load
current). The device has very low quiescent current
(130
μ
A) in the “on” mode with no load and 2 mA with 30
mA load. The quiescent current is typically 4 mA at 60 mA
load. The current consumption in the “off” mode is 65
μ
A.
An internal thermal shutdown circuit limits the junction
temperature to below 150
o
C. The load current is internally
monitored and the device will shut down (no load current)
in the presence of a short circuit at the output. The output
noise is very low at 100 dB down from V
OUT
when an
external noise bypass capacitor is used. The TK119xx is
available in a miniature SOT-23L surface mount package.
FEATURES
I
Battery Powered Systems
I
Cellular Telephones
I
Pagers
I
Personal Communications Equipment
I
Portable Instrumentation
I
Portable Consumer Equipment
I
Radio Control Systems
I
Toys
I
Low Voltage Systems
ORDERING INFORMATION
TAPE/REEL CODE
TL: Tape Left
Tape/Reel Code
TK119 M
Voltage Code
VOLTAGE CODE
22 = 2.25 V
27 = 2.75 V
30 = 3.00 V
32 = 3.25 V
35 = 2.5 V
40 = 4.0 V
48 = 4.8 V
50 = 5.0 V
CONTROL
NOISE
BYPASS
VOUT
VIN
RESET
OUTPUT
GND
01S
VOLTAGE REGULATOR WITH RESET OUTPUT
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
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| TK119A-RT | 制造商:Thomas & Betts 功能描述:3 1/2 IN RAINTIGHT COMPRESSION CPL |
| TK11A45D(Q) | 制造商:Toshiba America Electronic Components 功能描述: |
| TK11A45D(STA4,Q,M) | 功能描述:MOSFET N-Ch MOS 10A 40V 25W 410pF 0.029 RoHS:否 制造商:STMicroelectronics 晶體管極性:N-Channel 汲極/源極擊穿電壓:650 V 閘/源擊穿電壓:25 V 漏極連續(xù)電流:130 A 電阻汲極/源極 RDS（導(dǎo)通）:0.014 Ohms 配置:Single 最大工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:Max247 封裝:Tube |
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