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參數(shù)資料
| 型號： | TL2844BDRG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 1 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO14 |
| 封裝： | GREEN, PLASTIC, MS-012AB, SOIC-14 |
| 文件頁數(shù)： | 22/27頁 |
| 文件大?。?/td> | 625K |
| 代理商： | TL2844BDRG4 |
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Absolute Maximum Ratings
(1) (2)
Recommended Operating Conditions
HIGH-PERFORMANCE CURRENT-MODE PWM CONTROLLERS
SLVS610B – AUGUST 2006 – REVISED JULY 2007
over operating free-air temperature range (unless otherwise noted)
MIN
MAX
UNIT
Low impedance source
30
VCC
Supply voltage
V
Self
ICC < 30 mA
limiting
VI
Analog input voltage range
VFB and ISENSE
–0.3
6.3
V
ICC
Supply current
30
mA
IO
Output current
±1
A
IO(sink)
Error amplifier output sink current
10
mA
8 pin
97
D package
θJA
Package thermal impedance(3)(4)
14 pin
86
°C/W
P package
85
Output energy
Capacitive load
5
μJ
TJ
Virtual junction temperature
150
°C
Tstg
Storage temperature range
–65
150
°C
Tlead
Lead temperature
Soldering, 10 s
300
°C
(1)
Stresses beyond 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 beyond those indicated under "recommended operating
conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
(2)
All voltages are with respect to the device GND terminal.
(3)
Maximum power dissipation is a function of TJ(max), θJA, and TA. The maximum allowable power dissipation at any allowable ambient
temperature is PD = (TJ(max) – TA)/θJA. Operating at the absolute maximum TJ of 150°C can impact reliability.
(4)
The package thermal impedance is calculated in accordance with JESD 51-7.
MIN
NOM
MAX
UNIT
VCC
30
VCC
Supply voltage
V
VC(1)
30
RT/CT
0
5.5
VI
Input voltage
V
VFB and ISENSE
0
5.5
OUTPUT
0
30
VO
Output voltage
V
POWER GROUND(1)
–0.1
1
ICC
Supply current, externally limited
25
mA
IO
Average output current
200
mA
IO(ref)
Reference output current
–20
mA
fosc
Oscillator frequency
100
500
kHz
TL284xB
–40
85
TJ
Operating free-air temperature
°C
TL384xB
0
70
(1)
The recommended voltages for VC and POWER GROUND apply only to the 14-pin D package.
4
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TL2844BDRG4-8 | 功能描述:電流型 PWM 控制器 Current Mode PWM Controller RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| TL2844BP | 功能描述:電流型 PWM 控制器 Current Mode PWM Controller RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| TL2844BPE4 | 功能描述:電流型 PWM 控制器 Current Mode PWM Controller RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| TL2844BQDRQ1 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:HIGH-PERFORMANCE CURRENT-MODE PWM CONTROLLER |
| TL2844D | 功能描述:電流型 PWM 控制器 Current-Mode PWM Controller RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
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