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參數(shù)資料
| 型號： | 5962-8768104VEA |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 2 A SWITCHING CONTROLLER, 460 kHz SWITCHING FREQ-MAX, CDIP16 |
| 封裝： | CERAMIC, DIP-16 |
| 文件頁數(shù)： | 12/16頁 |
| 文件大?。?/td> | 276K |
| 代理商： | 5962-8768104VEA |
ELECTRICAL CHARACTERISTICS
www.ti.com............................................................................................................................................................................................... SLUS870 – JANUARY 2009
Unless otherwise stated, these specifications apply for RT = 3.65 k, CT = 1 nF, VCC = 15 V, –55°C < TA < 125°C, TA = TJ
PARAMETERS
TEST CONDITIONS
MIN
TYP
MAX
UNIT
REFERENCE
Output voltage
TJ = 25°C, IO = 1 mA
5.05
5.10
5.15
V
Line regulation
10 V < VCC < 30 V
2
20
mV
Load regulation
1 mA < IO < 10 mA
5
20
mV
Total output variation
Line, load, temperature
5.0
5.2
V
Output noise voltage
10 Hz < f < 10 kHz
50
V
Short-circuit current
VREF = 0 V
–15
–50
–100
mA
OSCILLATOR SECTION
Initial accuracy
TJ = 25°C
360
400
440
kHz
Voltage stability
10 V < VCC < 30 V
0.2%
2%
Temperature stability
TMIN < TA < TMAX
5%
Total variation
Line, Temperature
340
460
kHz
Clock out high
3.9
4.5
V
Clock out low
2.3
2.9
V
Ramp peak(1)
2.6
2.8
3.0
V
Ramp valley(1)
0.7
1.0
1.25
V
Ramp valley to peak(1)
1.6
1.8
2.1
V
ERROR AMPLIFIER
Input offset voltage
10
mV
Input bias current
0.6
3
A
Input offset current
0.1
1
A
Open-loop gain
1 V < VO < 4 V
60
95
dB
CMRR
1.5 V < VCM < 5.5 V
75
95
dB
PSRR
10 V < VCC < 30 V
85
110
dB
Output sink current
VE/AOut= 1 V
1
2.5
mA
Output source current
VE/AOut = 4 V
–0.5
–1.3
mA
Output high voltage
IE/AOut = –0.5 mA
4.0
4.7
5.0
V
Output low voltage
IE/AOut = 1 mA
0
0.5
1.0
V
Gain bandwidth product(1)
f = 200 kHz
5
10.5
MHz
Slew rate(1)
4
9
V/
s
PWM COMPARATOR
Ramp bias current
VRamp = 0 V
–1
–5
A
Duty cycle range
0%
80%
E/A out zero dc threshold
VRamp = 0 V
1.1
1.25
V
Delay to output(1)
50
80
ns
SOFT-START
Charge current
VSoft Start = 0.5 V
3
9
20
A
Discharge current
VSoft Start = 1 V
1
mA
CURRENT LIMIT/SHUTDOWN
Current limit/shutdown bias current
0 < VILIM/SD < 4 V
15
A
Current limit threshold
0.9
1.0
1.1
V
Shutdown threshold
1.25
1.40
1.55
V
Delay to output(1)
50
80
ns
(1)
Parameters ensured by design and/or characterization, if not production tested.
Copyright 2009, Texas Instruments Incorporated
5
Product Folder Link(s): UC1825-SP
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