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參數(shù)資料
| 型號(hào)： | TL1453C |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Dual Pulse-Width-Modulation control Circuit(雙脈寬調(diào)制控制電路) |
| 中文描述： | 雙脈寬調(diào)制控制電路（雙脈寬調(diào)制控制電路） |
| 文件頁(yè)數(shù)： | 3/7頁(yè) |
| 文件大?。?/td> | 116K |
| 代理商： | TL1453C |
TL1453C
DUAL PULSE-WIDTH-MODULATION CONTROL CIRCUIT
SLVS039A – FEBRUARY 1990 – REVISED DECEMBER 1990
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range, V
CC
= 6 V,
f = 200 kHz (unless otherwise noted) (continued)
undervoltage lockout section
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Upper threshold voltage (pin 9)
IOref = 0.1 mA,
IOref = 0.1 mA,
IOref = 0.1 mA,
TA = 25
°
C
TA = 25
°
C
TA = 25
°
C
2.72
V
Lower threshold voltage (pin 9)
2.6
V
Hysteresis (pin 9)
80
120
mV
oscillator section
PARAMETER
TEST CONDITIONS
CT = 330 pF, RT = 10 k
VCC, TA, RT, CT values are constant
VCC = 3.6 V to 40 V
TA = –20
°
C to 25
°
C
TA = 25
°
C to 85
°
C
MIN
TYP
200
10%
1%
–0.4%
–0.2%
MAX
UNIT
kHz
Frequency
Standard deviation of frequency
Frequency change with voltage
Frequency change with temperature
Frequency change with tem erature
±
2%
±
2%
dead-time control section
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
μ
A
Input bias current (pins 6 and 11)
1
Input threshold voltage at f = 10kHz (pins 6 and 11)
Zero duty cycle
2.05
2.25
V
Maximum duty cycle
1.2
1.45
error-amplifier section
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
±
6
±
100
500
UNIT
Input offset voltage
VO (pins 5 and 12) = 1.25 V
VO (pins 5 and 12) = 1.25 V
VO (pins 5 and 12) = 1.25 V
mV
Input offset current
nA
Input bias current
160
nA
1.05
Common-mode input voltage range
VCC = 3.6 V to 40 V
to
V
1.45
Open-loop voltage amplification
RF = 200 k
70
80
dB
Unity-gain bandwidth
1.5
MHz
Common-mode rejection ratio
60
80
dB
Positive output voltage swing
Vref–0.1
V
Negative output voltage swing
1
V
Output (sink) current (pins 5 and 12)
VID = –0.1 V,
VID = 0.1 V,
VO = 1.25 V
VO = 1.25 V
0.5
1.6
mA
μ
A
Output (source) current (pins 5 and 12)
–45
–70
output section
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Collector off state current
Collector off-state current
VCC = 0,
VO = 50 V
IO = 10 mA
VO = 6 V
VO = 50 V
10
μ
A
10
Output saturation voltage
1.2
2
V
Short-circuit output current
All typical values are at TA = 25
°
C.
90
mA
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