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參數(shù)資料
| 型號： | TL1451ACDB |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | DUAL PULSE-WIDTH-MODULATION CONTROL CIRCUITS |
| 中文描述： | 雙脈沖寬度調(diào)制控制電路 |
| 文件頁數(shù)： | 3/5頁 |
| 文件大?。?/td> | 127K |
| 代理商： | TL1451ACDB |
UTC TL1451
LINEAR INTEGRATED CIRCUIT
UTC
UNISONIC TECHNOLOGIES CO., LTD.
3
QW-R103-011,A
ABSOLUTE MAXIMUM RATINGS
(Unless otherwise noted all is over operating free air temperature
range)
PARAMETER
SYMBOL
V
CC
V
I
V
O
I
O
VALUE
51
20
51
21
UNIT
V
V
V
mA
mW
Supply Voltage
Amplifier Input Voltage
Collector Output Voltage
Collector Output Current
Power Dissipation : TA
≤
25
°
C
DIP
SOP
Operating free-air Temperature Range
Storage Temperature Range
Lead Temperature 1.6mm from Case for 10
Sec.
1000
500
T
A
Tstg
Tcase
-20 TO 85
-65 TO 150
260
°
C
°
C
°
C
RECOMMENDED OPERATING CONDITIONS
PARAMETER
SYMBOL
VALUE
UNIT
MIN
3.6
1.05
MAX
50
1.45
50
20
45
Supply Voltage
Amplifier Input Voltage
Collector Output Voltage
Collector Output Current(each Transistor)
Current into Feedback Terminal
Feedback Resistor
Timing Capacitor
Timing Resistor
Oscillator frequency
Operating Free-Air Temperature
Vcc
Vi
Vo
Io
V
V
V
mA
μ
A
k
pF
k
kHz
°
C
R
F
C
T
R
T
100
150
5.1
1
-20
15000
100
500
85
T
A
ELECTRICAL CHARACTERISTICS
(Over recommended operating free-air temperature range,V
CC
=6V,f=200kHz,TA=25
°
C
,Unless otherwise
specified)
PARAMETER
TEST CONDITIONS
Reference Section
Output Voltage
Output Voltage Change with Temperature
MIN
TYP
MAX
UNIT
Io=1mA
2.4
2.5
-0.1
-0.2
2
1
10
2.6
±
1%
±
1%
12.5
7.5
30
V
T
A
=-20
°
C to 25
°
C
T
A
=25
°
C to 85
°
C
Vcc=3.6V to 40V
Io=0.1mA to 1mA
Vo=0
Input Voltage Regulation
Output Voltage Regulation
Short-Circuit Output Current
Undervoltage Lockout Section
Upper Threshold Voltage (Vcc)
Lower Threshold Voltage (Vcc)
Hysteresis (Vcc)
Reset Threshold voltage (Vcc)
Short-Circuit Protection Control Section
Input Threshold Voltage(SCP)
mV
mV
mA
3
2.72
2.6
120
1.9
V
V
80
1.5
mV
V
Io(ref)=0.1mA, T
A
=25
°
C
TA=25
°
C
0.65
0.7
0.75
V
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|---|---|
| TL1451ACDBR | 功能描述:DC/DC 開關(guān)控制器 Dual ch PWM Ctlr RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| TL1451ACDBRG4 | 功能描述:DC/DC 開關(guān)控制器 Dual Ch w/Wide Input Voltage Range RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| TL1451ACDG4 | 功能描述:DC/DC 開關(guān)控制器 Dual Ch w/Wide Input Voltage Range RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| TL1451ACDR | 功能描述:DC/DC 開關(guān)控制器 Dual Ch w/Wide Input Voltage Range RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| TL1451ACDRG4 | 功能描述:DC/DC 開關(guān)控制器 Dual Ch w/Wide Input Voltage Range RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
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