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參數(shù)資料
| 型號(hào)： | TL1454IN |
| 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)： | 9/24頁 |
| 文件大小： | 390K |
| 代理商： | TL1454IN |
TL1454, TL1454Y
DUAL-CHANNEL PULSE-WIDTH-MODULATION (PWM)
CONTROL CIRCUIT
SLVS086B – APRIL 1995 – REVISED NOVEMBER 1997
9
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
electrical characteristics over recommended operating free-air temperature range, V
CC
= 6 V,
f
osc
= 500 kHz (unless otherwise noted) (continued)
oscillator
PARAMETER
TEST CONDITIONS
TL1454
TYP
UNIT
MIN
MAX
fosc
Frequency
CT = 120 pF,
RT = 10 k
500
kHz
Standard deviation of frequency
50
kHz
Frequency change with voltage
VCC = 3.6 V to 20 V,
TA = TA(min) to 25
°
C
TA = 25
°
C to 85
°
C
TA = 25
°
C
5
kHz
Frequency change with temperature
–2
±
20
±
20
kHz
–10
Maximum ramp voltage
1.8
V
Minimum ramp voltage
1.1
V
dead-time control (DTC)
PARAMETER
TEST CONDITIONS
TL1454
TYP
1.1
UNIT
MIN
MAX
1.2
VIT
Input threshold voltage
Duty cycle = 0%
1
V
Duty cycle = 100%
0.4
0.5
0.6
VI(latched)
IIB
Latched-mode input voltage
1.2
V
μ
A
μ
A
Common-mode input bias current
DTC1, IN1+
≈
1.2 V
TA = 25
°
C
4
Latched-mode (source) current
–100
error-amplifier
PARAMETER
TEST CONDITIONS
TL1454
UNIT
MIN
TYP
MAX
VIO
IIO
IIB
VICR
AV
Input offset voltage
6
mV
Input offset current
VO = 1.25 V,
VIC = 1.25 V
100
nA
Input bias current
–160
–500
nA
Input voltage range
VCC = 3.6 V to 20 V
RFB = 200 k
–0.2 to 1.40
V
Open-loop voltage gain
70
80
dB
Unity-gain bandwidth
3
MHz
CMRR
Common-mode rejection ratio
60
80
dB
VOM(max)
VOM(min)
IO+
IO–
Positive output voltage swing
2.3
2.43
V
Negative output voltage swing
0.63
0.8
Output sink current
VID = –0.1 V,
VID = 0.1 V,
VO = 1.20 V
VO = 1.80 V
0.1
0.5
mA
μ
A
Output source current
–45
–70
output
PARAMETER
TEST CONDITIONS
TL1454
TYP
UNIT
MIN
MAX
VOH
High level output voltage
High-level output voltage
IO = –8 mA
IO = –40 mA
IO = 8 mA
IO = 40 mA
VCC–2
VCC–2
4.5
V
4.4
VOL
Low level output voltage
Low-level output voltage
0.1
0.4
V
1.8
2.5
trv
tfv
Output voltage rise time
Output voltage fall time
CL= 2000 pF
CL = 2000 pF,
TA= 25
TA = 25
°
C
220
220
ns
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TL1454PW | DUAL-CHANNEL PULSE-WIDTH-MODULATION (PWM) CONTROL CIRCUIT |
| TL1454YD | DUAL-CHANNEL PULSE-WIDTH-MODULATION (PWM) CONTROL CIRCUIT |
| TL1454YN | DUAL-CHANNEL PULSE-WIDTH-MODULATION (PWM) CONTROL CIRCUIT |
| TL1454D | DUAL-CHANNEL PULSE-WIDTH-MODULATION (PWM) CONTROL CIRCUIT |
| TL1454N | DUAL-CHANNEL PULSE-WIDTH-MODULATION (PWM) CONTROL CIRCUIT |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TL1454N | 制造商:TI 制造商全稱:Texas Instruments 功能描述:DUAL-CHANNEL PULSE-WIDTH-MODULATION (PWM) CONTROL CIRCUIT |
| TL1454PW | 制造商:TI 制造商全稱:Texas Instruments 功能描述:DUAL-CHANNEL PULSE-WIDTH-MODULATION (PWM) CONTROL CIRCUIT |
| TL1454Y | 制造商:TI 制造商全稱:Texas Instruments 功能描述:DUAL-CHANNEL PULSE-WIDTH-MODULATION (PWM) CONTROL CIRCUIT |
| TL1454YD | 制造商:TI 制造商全稱:Texas Instruments 功能描述:DUAL-CHANNEL PULSE-WIDTH-MODULATION (PWM) CONTROL CIRCUIT |
| TL1454YN | 制造商:TI 制造商全稱:Texas Instruments 功能描述:DUAL-CHANNEL PULSE-WIDTH-MODULATION (PWM) CONTROL CIRCUIT |
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