參數(shù)資料
型號： TC125
廠商： Microchip Technology Inc.
英文描述： PFM Step-Up DC/DC Regulators
中文描述： PFM步升直流/直流穩(wěn)壓器
文件頁數(shù)： 2/12頁
文件大?。?/td> 459K
代理商： TC125
TC125/TC126
DS21372B-page 2
2002 Microchip Technology Inc.
1.0
ELECTRICAL
CHARACTERISTICS
Absolute Maximum Ratings*
Voltage on V
DD
, SENSE/V
DD
, LX, SHDN Pins
.......................................................-0.3V to +12V
LX Sink Current............................................400mA pk
Power Dissipation.............................................150mW
Operating Temperature Range.............-40°C to +85°C
Storage Temperature Range..............-40°C to +125°C
*Stresses above those listed under "Absolute Maximum
Ratings" may cause permanent damage to the device. These
are stress ratings only and functional operation of the device
at these or any other conditions above those indicated in the
operation sections of the specifications is not implied.
Exposure to Absolute Maximum Rating conditions for
extended periods may affect device reliability.
TC125/TC126 ELECTRICAL SPECIFICATIONS
Electrical Characteristics:
V
IN
= V
OUT
x 0.6, T
A
= 25°C, SHDN = V
OUT
(TC125), unless otherwise noted.
Symbol
Parameter
Min
Typ
Max
Units
Test Conditions
V
OUT
V
DD
V
START
I
DD
Output Voltage
Operating Supply Voltage
Start-Up Supply Voltage
Operating Supply Current
TC125
TC125/126
TC125/126
No Load Supply Current
V
R
– 2.5%
0.70
—
V
R
± 0.5%
—
0.80
V
R
+ 2.5%
10.0
0.90
V
V
V
μ
A
Note 4
I
OUT
= 1mA
(Note 2)
V
OUT
= 2V, I
OUT
= 10mA
V
OUT
= 3V, I
OUT
= 30mA
V
OUT
= 5V, I
OUT
= 50mA
I
OUT
= 0, V
OUT
= 2V
V
OUT
= 3V
V
OUT
= 5V
V
IN
= V
OUT
+ 0.5V, V
IN
= 2V
—
—
—
—
—
—
—
—
—
—
—
—
—
14
20
32
5
5
6
2
3
3
—
10
6
3
28
40
64
9
10
11
4
5
5
0.5
14
8
5
I
NL
μ
A
I
STBY
Standby Supply Current
μ
A
V
IN
= 3V
V
IN
= 5V
I
SHDN
R
LX(ON)
Shutdown Supply Current
LX Pin ON Resistance
μ
A
SHDN = V
IL
, (Note 2)
V
LX
= 0.4V, V
OUT
= 2V
V
OUT
= 3V
V
OUT
= 5V
(Note 2), (Note 3)
No external components,
V
OUT
= V
LX
= 10V
Measured at LX pin (Note 2)
Note 2
Note 2
V
OUT
= 2V
V
OUT
= 3V
V
OUT
= 5V
I
LX
LX Pin Leakage Current
—
—
1
μ
A
D
CYCLE
f
MAX
VLX
LIM
η
Duty Cycle
Maximum Oscillator Frequency
LX Pin Limit Voltage
Efficiency
70
85
0.7
—
—
—
0.75
—
—
-0.25
75
100
—
70
80
85
—
—
—
—
80
115
1.1
—
—
—
—
0.20
0.25
—
%
kHz
V
%
V
IH
V
IL
II
N
H
II
N
L
Note
SHDN Input Logic High
SHDN Input Logic Low
SHDN Input Current (High)
SHDN Pin Input Current (Low)
V
V
μ
A
μ
A
1:
2:
3:
4:
V
R
is the factory output voltage setting.
V
IN
= V
x 0.95.
V
input tied to SENSE input for TC126, as shown in Figure 3-2.
The V
PS
input of the TC125 must be operated between 2.0V and 10.0V for spec compliance.
The V
DD
input of the TC126 must be operated between 2.2V and 10.0V for spec compliance.
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參數(shù)描述
TC-125.000MBD-T 功能描述:標準時鐘振蕩器 125.000MHz 3.3V 25ppm -40C to 85C RoHS:否 制造商:AVX 產(chǎn)品:Standard Clock Oscillators 封裝 / 箱體:7 mm x 5 mm 頻率:75 MHz 頻率穩(wěn)定性:50 PPM 電源電壓:2.5 V 負載電容: 端接類型:SMD/SMT 最小工作溫度:0 C 最大工作溫度:+ 70 C 輸出格式:LVDS 尺寸: 封裝:Reel 系列:
TC-125.000MBE-T 制造商:TXC Corporation 功能描述:OSC MEMS 125.000 MHZ 3.3V SMD
TC-125.000MCD-T 功能描述:標準時鐘振蕩器 125.000MHz 2.5V 25ppm -40C to 85C RoHS:否 制造商:AVX 產(chǎn)品:Standard Clock Oscillators 封裝 / 箱體:7 mm x 5 mm 頻率:75 MHz 頻率穩(wěn)定性:50 PPM 電源電壓:2.5 V 負載電容: 端接類型:SMD/SMT 最小工作溫度:0 C 最大工作溫度:+ 70 C 輸出格式:LVDS 尺寸: 封裝:Reel 系列:
TC-125.000MCE-T 制造商:TXC Corporation 功能描述:OSC MEMS 125.000 MHZ 2.5V SMD
TC125301ECT 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:PFM Step-Up DC/DC Regulators
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