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參數(shù)資料
| 型號： | TL1451AMDREP |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 0.021 A DUAL SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封裝： | GREEN, PLASTIC, MS-012AC, SOIC-16 |
| 文件頁數(shù)： | 19/25頁 |
| 文件大?。?/td> | 522K |
| 代理商： | TL1451AMDREP |
www.ti.com
Recommended Operating Conditions
Reference Section Electrical Characteristics
TL1451A-EP
DUAL PULSE-WIDTH-MODULATION CONTROL CIRCUITS
SLVS614 – DECEMBER 2005
Dissipation Ratings
TA ≤ 25°C
DERATING FACTOR
TA = 70°C
TA = 85°C
TA = 125°C
PACKAGE
POWER RATING
ABOVE TA = 25°C
POWER RATING
D
1088 mW
8.7 mW/
°C
696 mW
566 mW
218 mW
MIN
MAX
UNIT
VCC
Supply voltage
3.6
50
V
VI
Amplifier input voltage
1.05
1.45
V
VO
Collector output voltage
50
V
IO
Collector output current
20
mA
Current into feedback terminal
45
A
RF
Feedback resistor
100
k
CT
Timing capacitor
150
15000
pF
RT
Timing resistor
5.1
100
k
Oscillator frequency
1
500
kHz
TA
Operating free-air temperature
M suffix
–55
125
°C
over recommended operating free-air temperature range, V
CC = 6 V, f = 200 kHz (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP(1)
MAX
UNIT
TA = 25°C
2.4
2.5
2.6
Output voltage (pin 16)
IO = 1 mA
V
TA = MIN and 125°C
2.35
2.46
2.65
Output voltage change with temperature
–0.63%
±4%(2)
TA = 25°C
2
12.5
Input voltage regulation
VCC = 3.6 V to 40 V
TA = 125°C
0.7
15
mV
TA = MIN
0.3
30
TA = 25°C
1
7.5
Output voltage regulation
IO = 0.1 mA to 1 mA
TA = 125°C
0.3
14
mV
TA = MIN
0.3
20
Short-circuit output current
VO = 0
3
10
30
mA
(1)
All typical values are at TA = 25°C, unless otherwise indicated.
(2)
These parameters are not production tested.
3
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