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參數(shù)資料
| 型號(hào)： | TC2055 |
| 廠商： | Microchip Technology Inc. |
| 英文描述： | CONNECTOR ACCESSORY |
| 中文描述： | 連接器附件 |
| 文件頁數(shù)： | 3/16頁 |
| 文件大?。?/td> | 519K |
| 代理商： | TC2055 |
2002 Microchip Technology Inc.
DS21663B-page 3
TC2054/2055/2186
2.0
PIN DESCRIPTIONS
The descriptions of the pins are listed in Table 2-1.
TABLE 2-1:
PIN FUNCTION TABLE
SHDN Input
V
IH
V
IL
ERROR OUTPUT
SHDN Input High Threshold
60
—
—
—
%V
IN
%V
IN
V
IN
= 2.5V to 6.0V
V
IN
= 2.5V to 6.0V
SHDN Input Low Threshold
—
15
V
INMIN
Minimum V
IN
Operating Volt-
age
1.0
—
—
V
V
OUT
≥
2.7V
V
OL
V
TH
V
HYS
t
DELAY
R
ERROR
Output Logic Low Voltage
—
—
400
mV
1 mA Flows to ERROR
ERROR Threshold Voltage
—
0.95 x V
R
50
—
V
See Figure 4-2
ERROR Positive Hysteresis
—
—
mV
Note 8
V
OUT
to ERROR Delay
Resistance from ERROR to
GND
—
2
—
msec
V
OUT
from V
R
= 3V to 2.8V
V
DD
= 2.5V, V
OUT
= 2.5V
—
126
—
Note
1:
2:
3:
The minimum V
IN
has to meet two conditions: V
IN
= 2.7V and V
IN
= V
R
+ V
DROPOUT
.
V
R
is the regulator output voltage setting. For example: V
R
= 1.8V, 2.7V, 2.8V, 2.85V, 3.0V, 3.3V.
TCV
OUT
=
4:
Regulation is measured at a constant junction temperature using low duty cycle pulse testing. Load regulation is tested over a
load range from 1.0mA to the maximum specified output current. Changes in output voltage due to heating effects are covered
by the thermal regulation specification.
Dropout voltage is defined as the input to output differential at which the output voltage drops 2% below its nominal value at a 1V
differential.
Thermal Regulation is defined as the change in output voltage at a time T after a change in power dissipation is applied, exclud-
ing load or line regulation effects. Specifications are for a current pulse equal to I
MAX
at V
IN
= 6V for T = 10msec.
The maximum allowable power dissipation is a function of ambient temperature, the maximum allowable junction temperature
and the thermal resistance from junction-to-air (i.e. T
A
, T
J
,
θ
JA
).
Hysteresis voltage is referenced by V
R
.
Time required for V
OUT
to reach 95% of V
R
(output voltage setting), after V
SHDN
is switched from 0 to V
IN
.
5:
6:
7:
8:
9:
Electrical Characteristics:
V
IN
= V
R
+ 1V, I
L
= 100
μ
A, C
L
= 3.3
μ
F, SHDN > V
IH
, T
A
= 25°C, unless otherwise noted.
BOLDFACE
type specifications apply for junction temperature of -40°C to +125°C.
Symbol
Parameter
Min
Typ
Max
Units
Test Conditions
–
(
-----------------------------------------------------------------------------------------
)
106
×
Pin Number
Symbol
Description
1
2
3
V
IN
GND
SHDN
Unregulated supply input.
Ground terminal.
Shutdown control input. The regulator is fully enabled when a logic high is
applied to this input. The regulator enters shutdown when a logic low is
applied to this input. During shutdown, output voltage falls to zero, ERROR
is open circuited and supply current is reduced to 0.5μA (max).
Out-of-Regulation Flag. (Open drain output). This output goes low when
V
OUT
is out-of-tolerance by approximately -5%.
Regulated voltage output.
4
ERROR
5
V
OUT
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| TC2055-1.8VCTTR | 功能描述:低壓差穩(wěn)壓器 - LDO .1mA w/Shtdn & Error 1.8V RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| TC2055-2.5VCTTR | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:50 mA, 100 mA, and 150 mA CMOS LDOs with Shutdown and Error Output |
| TC2055-2.6VCTTR | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:50 mA, 100 mA, and 150 mA CMOS LDOs with Shutdown and Error Output |
| TC2055-2.7VCTTR | 功能描述:低壓差穩(wěn)壓器 - LDO .1mA w/Shtdn & Error 2.7V RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| TC2055-2.85VCTTR | 功能描述:低壓差穩(wěn)壓器 - LDO .1mA w/Shtdn & Error 2.85V RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
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