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TL3842P Datasheet(PDF) 4 Page - Texas Instruments

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Part No. TL3842P
Description  CURRENT-MODE PWM CONTROLLERS
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
Logo TI - Texas Instruments

TL3842P Datasheet(HTML) 4 Page - Texas Instruments

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TL284x, TL384x
CURRENT-MODE PWM CONTROLLERS
SLVS038G − JANUARY 1989 − REVISED FEBRUARY 2008
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage (see Note 1) (ICC < 30 mA)
Self limiting
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Analog input voltage range, VI (VFB and ISENSE)
−0.3 V to 6.3 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output voltage, VO (OUTPUT)
35 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input voltage, VI, (VC, D package only)
35 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Supply current, ICC
30 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output current, IO
±1 A
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Error amplifier output sink current
10 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Package thermal impedance,
θJA (see Notes 2 and 3): D package
86
°C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
D-8 package
97
°C/W
. . . . . . . . . . . . . . . . . . . . . . . . . .
P package
85
°C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Virtual junction temperature, TJ
150
°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output energy (capacitive load)
5
µJ
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lead temperature, 1,6 mm (1/16 inch) from case for 10 seconds
260
°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range, Tstg
−65
°C to 150°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTES:
1. All voltages are with respect to the device GND terminal.
2. Maximum power dissipation is a function of TJ(max), θJA, and TA. The maximum allowable power dissipation at any allowable
ambient temperature is PD = (TJ(max) − TA)/θJA. Operating at the absolute maximum TJ of 150°C can impact reliability.
3. The package thermal impedance is calculated in accordance with JESD 51-7.
recommended operating conditions
MIN
NOM
MAX
UNIT
VCC and VC
Supply voltage
30
V
VI, RT/CT
Input voltage
0
5.5
V
VI, VFB and ISENSE
Input voltage
0
5.5
V
VO, OUTPUT
Output voltage
0
30
V
VO, POWER GROUND
Output voltage
−0.1
1
V
ICC
Supply current, externally limited
25
mA
IO
Average output current
200
mA
IO(ref)
Reference output current
−20
mA
fosc
Oscillator frequency
100
500
kHz
T
Oti
f
i t
t
TL284x
−40
85
°C
TA
Operating free-air temperature
TL384x
0
70
°C
These recommended voltages for VC and POWER GROUND apply only to the D package.


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