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| 型號(hào)： | TC126301ECT |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 0.4 A SWITCHING REGULATOR, 115 kHz SWITCHING FREQ-MAX, PDSO5 |
| 封裝： | EIAJ, SC-74A, SOT-23A, 5 PIN |
| 文件頁(yè)數(shù)： | 5/12頁(yè) |
| 文件大小： | 524K |
| 代理商： | TC126301ECT |
TC125/TC126
DS21372D-page 2
2007 Microchip Technology Inc.
1.0
ELECTRICAL
CHARACTERISTICS
Absolute Maximum Ratings*
Voltage on VDD, SENSE/VDD, LX, SHDN Pins
....................................................... -0.3V to +12V
LX Sink Current ........................................... 400 mA pk
Power Dissipation............................................150 mW
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: VIN = VOUT x 0.6, TA = 25°C, SHDN = VOUT (TC125), unless otherwise noted.
Symbol
Parameter
Min
Typ
Max
Units
Test Conditions
VOUT
Output Voltage
VR – 2.5% VR ± 0.5% VR + 2.5%
V
VDD
Operating Supply Voltage
0.70
—
10.0
V
Note 4
VSTART Start-Up Supply Voltage
—
0.80
0.90
V
IOUT = 1mA
IDD
Operating Supply Current
TC125
TC125/126
—
14
20
32
28
40
64
μA (Note 2)
VOUT = 2V, IOUT = 10 mA
VOUT = 3V, IOUT = 30 mA
VOUT = 5V, IOUT = 50 mA
INL
No Load Supply Current
—
5
6
9
10
11
μAIOUT = 0, VOUT = 2V
VOUT = 3V
VOUT = 5V
ISTBY
Standby Supply Current
—
2
3
4
5
μA VIN = VOUT + 0.5V, VIN = 2V
VIN = 3V
VIN = 5V
Ishdn
Shutdown Supply Current
—
0.5
μA SHDN = VIL, (Note 2)
RLX(ON) LX Pin ON Resistance
—
10
6
3
14
8
5
WVLX = 0.4V, VOUT = 2V
VOUT = 3V
VOUT = 5V
(Note 2), (Note 3)
ILX
LX Pin Leakage Current
—
1
μA No external components,
VOUT = VLX = 10V
DCYCLE Duty Cycle
70
75
80
%
Measured at LX pin (Note 2)
fMAX
Maximum Oscillator Frequency
85
100
115
kHz Note 2
VLXLIM LX Pin Limit Voltage
0.7
—
1.1
V
Note 2
h
Efficiency
—
70
80
85
—
%VOUT = 2V
VOUT = 3V
VOUT = 5V
VIH
SHDN Input Logic High
0.75
—
V
VIL
SHDN Input Logic Low
—
0.20
V
IINh
SHDN Input Current (High)
—
0.25
μA
IINl
SHDN Pin Input Current (Low)
-0.25
—
μA
Note 1: VR is the factory output voltage setting.
2: VIN = VOUT x 0.95.
4: The VPS input of the TC125 must be operated between 2.0V and 10.0V for spec compliance.
The VDD input of the TC126 must be operated between 2.2V and 10.0V for spec compliance.
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| TC126301ECTTR | 功能描述:開(kāi)關(guān)變換器、穩(wěn)壓器與控制器 PFM Step-up DC/DC RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開(kāi)關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
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| TC1263-2.5VAT | 功能描述:低壓差穩(wěn)壓器 - LDO 500mA Fixed Out Adj 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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| TC1263-2.5VETTR | 功能描述:低壓差穩(wěn)壓器 - LDO 500mA Fixed Out Adj 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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