lnk500 Power Integrations, Inc., lnk500 Datasheet - Page 13

• Manufacturer Part Number: lnk500
• Description: Energy Ef?cient, Cv Or Cv/cc Switcher For Very Low Cost Adapters And Chargers
• Manufacturer: Power Integrations, Inc.

NOTES:
A. For specifications with negative values, a negative temperature coefficient corresponds to an increase in magnitude with
B. Breakdown voltage may be checked against minimum BV
C. I
D. This parameter is normalized to I
E. It is possible to start up and operate LinkSwitch at DRAIN voltages well below 36 V. However, the CONTROL pin charging
ON-State
Resistance
OFF-State Drain
Leakage Current
Breakdown Voltage
DRAIN Supply
Voltage
OUTPUT
increasing temperature, and a positive temperature coefficient corresponds to a decrease in magnitude with increasing
temperature.
exceeding minimum BV
through duty cycle control.
current is reduced, which affects start-up time, auto-restart frequency, and auto-restart duty cycle. Refer to the characteristic
graph on CONTROL pin charge current (I
C
is increased gradually to obtain maximum current limit at di/dt of 90 mA/µs. Increasing I
Parameter
DSS
Symbol
.
R
BV
I
DS(ON)
DSS
DSS
DCT
to correlate to power supply output current (it is multiplied by I
SOURCE = 0 V; T
C
I
) vs. DRAIN voltage (Figure 13) for low voltage operation characteristics.
(Unless Otherwise Specified)
D
= 25 mA
V
V
D
C
= 560 V, T
= 6.2 V, T
Conditions
See Figure 12
See Note B
See Note E
V
C
= 6.2 V
DSS
J
A
A
specification by ramping the DRAIN pin voltage up to but not
= -40 to 125 °C
= 125 °C
= 25 °C
T
T
J
J
= 100 °C
= 25 °C
Min
700
36
C
further would terminate the cycle
Typ
28
42
50
DCT
(nominal)/I
Max
LNK500
32
48
50
DCT
).
2/05
Units
D
µA
Ω
V
V
13