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TL384XB Datasheet, PDF (4/21 Pages) Texas Instruments – HIGH-PERFORMANCE CURRENT-MODE PWM CONTROLLERS
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TL284xB, TL384xB
HIGH-PERFORMANCE CURRENT-MODE PWM CONTROLLERS
SLVS610A – AUGUST 2006 – REVISED SEPTEMBER 2006
Absolute Maximum Ratings(1)(2)
over operating free-air temperature range (unless otherwise noted)
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VCC
Supply voltage
VI
ICC
IO
IO(sink)
Analog input voltage range
Supply current
Output current
Error amplifier output sink current
θJA
Package thermal impedance(3)(4)
TJ
Tstg
Tlead
Output energy
Virtual junction temperature
Storage temperature range
Lead temperature
Low impedance source
ICC < 30 mA
VFB and ISENSE
D package
P package
Capacitive load
Soldering, 10 s
8 pin
14 pin
MIN
MAX UNIT
30
Self
V
limiting
–0.3
6.3 V
30 mA
±1 A
10 mA
97
86 °C/W
85
5 µJ
150 °C
–65
150 °C
300 °C
(1) 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.
(2) All voltages are with respect to the device GND terminal.
(3) 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.
(4) The package thermal impedance is calculated in accordance with JESD 51-7.
Recommended Operating Conditions
VCC
VI
VO
ICC
IO
IO(ref)
fosc
TJ
Supply voltage
Input voltage
Output voltage
Supply current, externally limited
Average output current
Reference output current
Oscillator frequency
Operating free-air temperature
VCC
VC (1)
RT/CT
VFB and ISENSE
OUTPUT
POWER GROUND(1)
MIN
0
0
0
–0.1
TL284xB
–40
TL384xB
0
(1) The recommended voltages for VC and POWER GROUND apply only to the 14-pin D package.
NOM
100
MAX
30
30
5.5
5.5
30
1
25
200
–20
500
85
70
UNIT
V
V
V
mA
mA
mA
kHz
°C
4
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