LNK584-586
Absolute Maximum Ratings(1,6)
DRAIN Voltage ..........................................................-0.3 V to 700 V Notes:
Peak DRAIN Current (2): LNK584 ...........................200 (375) mA 1. All voltages referenced to SOURCE, TA = 25 °C.
LNK585...........................370 (680) mA 2. Higher peak DRAIN current allowed while DRAIN source
LNK586...........................440 (825) mA
voltage does not exceed 400 V.
Peak Negative Pulsed Drain Current(3)............................. -100 mA 3. Duration not to exceed 2 ms.
Feedback Voltage .........................................................-0.3 V to 9 V 4. Normally limited by internal circuitry.
Feedback Current ................................................................ 100 mA 5. 1/16 in. from case for 5 seconds.
BYPASS Pin Voltage ...................................................-0.3 V to 9 V 6. Maximum ratings specified may be applied, one at a time
BYPASS Pin Voltage in Power-Down Mode(7) ....... -0.3 V to 11 V
Storage Temperature ........................................... -65 °C to 150 °C
Operating Junction Temperature(4)....................-40 °C to 150 °C
without causing permanent damage to the product.
Exposure to Absolute Maximum ratings for extended
periods of time may affect product reliability.
Lead Temperature(5) ................................................................260 °C 7. Maximum current into pin is 300 mA.
Thermal Resistance
Thermal Resistance: D Package:
Notes:
(qJA) ..................................100 °C/W(2); 80 °C/W(3) 1. Measured on the SOURCE pin close to plastic interface.
(qJC) .........................................................30 °C/W(1) 2. Soldered to 0.36 sq. in. (232 mm2), 2 oz. copper clad.
G Package:
3. Soldered to 1 sq. in. (645 mm2), 2 oz. copper clad.
(qJA) ....................................70 °C/W(2); 60 °C/W(3)
(qJC) .........................................................11 °C/W(1)
Conditions
SOURCE = 0 V; TJ = -40 to 125 °C
(Unless Otherwise Specified)
Parameter
Symbol
Min
Typ
Max
Units
Control Functions
Output Frequency
TJ = 25 °C
VFB = 1.70 V, See Note B
fOSC
93
100
3
107
kHz
%
Peak-Peak Jitter Compared to
Average Frequency, TJ = 25 °C
Frequency Jitter
Ratio of Output
Frequency at
Auto-Restart to fOSC
fOSC(AR)
fOSC
TJ = 25 °C
VFB = VFB(AR)
60
%
Maximum Duty Cycle
DCMAX
VFB
60
63
%
V
FEEDBACK Pin
Voltage
1.63
1.70
1.77
1.05
FEEDBACK Pin
Voltage at Auto-
Restart
VFB(AR)
0.8
0.9
V
Minimum Switch
ON-Time
tON(MIN)
700
200
ns
Feedback Voltage > VFB
(MOSFET not Switching)
IS1
260
mA
LNK584
260
275
285
310
330
340
DRAIN Supply Current
0.9 V ≤ VFB ≤ 1.70 V
LNK585
IS2
mA
(MOSFET Switching)
LNK586
7
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Rev. B 05/11