參數(shù)資料
型號： TL1454AY
廠商： Texas Instruments, Inc.
英文描述： DUAL-CHANNEL PULSE-WIDTH-MODULATION (PWM) CONTROL CIRCUIT
中文描述： 雙通道脈寬調(diào)制（PWM）控制電路
文件頁數(shù)： 8/27頁
文件大?。?/td> 409K
代理商： TL1454AY
TL1454A, TL1454AY
DUAL-CHANNEL PULSE-WIDTH-MODULATION (PWM)
CONTROL CIRCUIT
SLVS423 A
–
MAY 2002
–
REVISED SEPTEMBER 2002
8
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions
MIN
MAX
UNIT
Supply voltage, VCC
Error amplifier common-mode input voltage
3.6
20
V
–
0.2
1.45
V
Output voltage, VO
Output current, IO
COMP source current
20
V
±
40
–
45
mA
μ
A
μ
A
mA
k
pF
k
kHz
°
C
COMP sink current
100
Reference output current
1
COMP dc load resistance
100
Timing capacitor, CT
Timing resistor, RT
Oscillator frequency
10
4000
5.1
100
50
2000
Operating free-air temperature, TA
TL1454AC
–
20
85
electrical characteristics over recommended operating free-air temperature range, V
CC
= 6 V,
f
osc
= 500 kHz (unless otherwise noted)
reference
PARAMETER
TEST CONDITIONS
TL1454A
TYP
1.26
UNIT
MIN
1.22
MAX
1.32
Vref
Output voltage REF
Output voltage, REF
IO = 1 mA,
IO = 1 mA
VOC = 3.6 V to 20 V,
IO = 0.1 mA to 1 mA
TA = TA(min) to 25
°
C,
TA = 25
°
C to 85
°
C,
Vref = 0 V
TA = 25
°
C
V
1.20
1.34
Input regulation
IO = 1 mA
2
6
mV
Output regulation
1
7.5
mV
Output voltage change with temperature
IO = 1 mA
IO = 1 mA
–
12.5
–
1.25
12.5
mV
–
12.5
–
2.5
12.5
IOS
Short-circuit output current
30
mA
undervoltage lockout (UVLO)
PARAMETER
TEST CONDITIONS
TL1454A
TYP
2.9
UNIT
MIN
MAX
VIT+
VIT
–
Vhys
Positive-going threshold voltage
V
Negative-going threshold voltage
TA = 25
°
TA 25 C
2.7
V
Hysteresis, VIT+
–
VIT
–
100
200
mV
short-circuit protection (SCP)
PARAMETER
TEST CONDITIONS
TL1454A
TYP
UNIT
MIN
MAX
VIT
Vstby
VI(latched)
VIT(COMP)
Input threshold voltage
TA = 25
°
C
0.93
1
1.07
V
Standby voltage
No pullup
140
185
230
mV
Latched-mode input voltage
60
120
mV
Comparator threshold voltage
COMP1, COMP2
1
V
Input source current
TA = 25
°
C,
VO(SCP) = 0
–
5
–
15
–
20
μ
A
This symbol is not presently listed within EIA/JEDEC standards for semiconductor symbology.
相關(guān)PDF資料
PDF描述
TL1593CNS 780- 】 488-pixel ccd image sensor
TL2575_08 1-A SIMPLE STEP-DOWN SWITCHING VOLTAGE REGULATORS
TL2575ADJI 1-A SIMPLE STEP-DOWN SWITCHING VOLTAGE REGULATORS
TL2575HV 1-A SIMPLE STEP-DOWN SWITCHING VOLTAGE REGULATORS
TL2575_07 1-A SIMPLE STEP-DOWN SWITCHING VOLTAGE REGULATORS
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TL1454CD 制造商:Rochester Electronics LLC 功能描述:- Bulk
TL1454CDR 制造商:Rochester Electronics LLC 功能描述:- Bulk
TL1454CN 制造商:Rochester Electronics LLC 功能描述:- Bulk
TL1454CNSR 制造商:Rochester Electronics LLC 功能描述:- Bulk
TL1454CPW 制造商:TI 制造商全稱:Texas Instruments 功能描述:DUAL-CHANNEL PULSE-WIDTH-MODULATION (PWM) CONTROL CIRCUIT
發(fā)布緊急采購，3分鐘左右您將得到回復。

采購需求

(若只采購一條型號，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進入我的后臺，查看報價

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進入我的后臺，查看報價

*型號 *數(shù)量 廠商 批號 封裝
添加更多采購

我的聯(lián)系方式

*
*
*