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參數(shù)資料
| 型號： | TC33163EOETR |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 3.4 A SWITCHING CONTROLLER, 55 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封裝： | SOIC-16 |
| 文件頁數(shù)： | 10/17頁 |
| 文件大?。?/td> | 225K |
| 代理商： | TC33163EOETR |
TC33163
2
TC33163-1 5/16/00
Power Switching Regulators
ABSOLUTE MAXIMUM RATINGS*
Power Supply Voltage ..................................... VCC = 40V
Switch Collector Voltage Range .... VC (SWITCH) = –1.0 to 40V
Switch Emitter Voltage Range VE (SWITCH) = –2.0 to VC (SWITCH)
Switch Collector to Emitter Voltage ........ VCE(SWITCH) = 40V
Switch Current (Note 1) ..................................... ISW = 3.4A
Driver Collector Voltage .............. VC(DRIVER) = –1.0 to 40V
Driver Collector Current ....................... IC (DRIVER) = 150mA
Bootstrap Input Current Range (Note 1) ...... IBS = –100 to +100mA
Current Sense Input Voltage Range:
....................... VLPK(SENSE) = (VCC – 7.0) to (VCC +1.0) V
Feedback and Timing Capacitor Input Roltage Range:
......................................................... VIN = –1.0 to + 7.0V
Low Voltage Indicator Output Voltage Range: ..................
....................................................... VC(LVI) = –1.0 to +40V
Low Voltage Indicator Output Sink Current ....... IC (LVI) = 10mA
Thermal Characteristics:
16-Pin PDIP (N) Package
Thermal Resistance, Junction-to-Air ...... RθJA = 80°C/W
Thermal Resistance, Junction-to-Case ........... RθJC = 15°C/W
(Pins 4, 5 12, 13)
16-Pin SOIC (W) Package
Thermal Resistance, Junction-to-Air ...... RθJA = 94°C/W
Thermal Resistance, Junction-to-Case ........... RθJC = 18°C/W
(Pins 4, 5 12, 13)
Operating Junction Temperature .................. TJ = +150°C
Operating Ambient Temperature (Note 3) ... TA = –40 to +85°C
Storage Temperature Range ......... TSTG = –65 to +150°C
*This is a stress rating only, and functional operation of the device at these
or any other conditions beyond those indicated in the operation section of
the specifications is not implied. Exposure to absolute maximum ratings
conditions for extended periods of time may affect device reliability.
ELECTRICAL CHARACTERISTICS: VCC = 15V, Pin 16 = VCC, CT = 620pF, for typical values TA = 25°C, for
min/max values TA is the operating temperature range that applies (Note 3), unless otherwise noted.
Symbol
Parameter
Test Conditions
Min
Typ
Max
Units
Oscillator
fOSC
Frequency
TA = 25°C
46
50
54
kHz
Total variation over VCC = 2.5V to 40V,
45
—
55
and Temperature
ICHG
Charge Current
—
225
—
A
IDISCHG
Discharge Current
—
25
—
A
ICHG / IDISCHG
Charge to Discharge Current Ratio
8.0
9.0
10
—
VOSC(P)
Sawtooth Peak Voltage
—
1.25
—
V
VOSC(V)
Sawtooth Valley Voltage
—
0.55
—
V
Feedback Comparator 1
VTH(FB1)
Threshold Voltage
TA = 25°C
4.9
5.05
5.2
V
Line Regulation (VCC = 2.5V to 40V, TA = 25°C)
—
0.008
0.03
%/V
Total Variation Over Line, and Temperature
4.85
—
5.25
V
IIB(FB1)
Input Bias Current
VFB1 = 5.05V
—
100
200
A
Feedback Comparator 2
VTH(FB2)
Threshold Voltage
TA = 25°C
Line Regulation (VCC = 2.5V to 40V, TA = 25°C)
—
0.008
0.03
%/V
Total Variation Over Line, and Temperature
1.225
1.25
1.275
V
IIB(FB2)
Input Bias Current
VFB2 = 1.25V
–0.4
0
0.4
A
NOTES: 1. Maximum package power dissipation limits must be observed.
2. Low duty cycle pulse techniques are used during test to maintain junction temperature as close to ambient as possible.
3. T LOW = – 40°C
T HIGH = +85°C
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