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參數(shù)資料
| 型號： | LNK500G |
| 廠商： | POWER INTEGRATIONS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Energy Efficient, CV or CV/CC Switcher for Very Low Cost Adapters and Chargers |
| 中文描述： | 0.4 A SWITCHING REGULATOR, 49.5 kHz SWITCHING FREQ-MAX, PDSO7 |
| 封裝： | PLASTIC, SMT, DIP-8 |
| 文件頁數(shù)： | 11/20頁 |
| 文件大?。?/td> | 505K |
| 代理商： | LNK500G |
11
LNK500
B
3/03
ABSOLUTE MAXIMUM RATINGS
(1,4)
DRAIN Voltage ........................................ -0.3 V to 700 V
DRAIN Peak Current .............................................400 mA
CONTROL Voltage ..................................... - 0.3 V to 9 V
CONTROL Current (not to exceed 9 V)................100 mA
Storage Temperature ................................-65
°
C to 150
°
C
Operating Junction Temperature
(2)
...........-40
°
C to 150
°
C
Lead Temperature
(3)
................................................ 260
°
C
Notes:
1. All voltages referenced to SOURCE, T
A
= 25
°
C.
2. Normally limited by internal circuitry.
3. 1/16" from case for 5 seconds.
4. Maximum ratings specified may be applied, one at a time,
without causing permanent damage to the product.
Exposure to Absolute Maximum Rating conditions for
extended periods of time may affect product reliability.
CONTROL FUNCTIONS
kHz
kHz
%
%
%
%/
μ
A
mA
V
Conditions
(Unless Otherwise Specified)
SOURCE = 0 V
;
T
J
= -40
°
C
to 125
°
C
See Figure 12
Min
Typ
Max
Parameter
Symbol
Units
34.5
42
49.5
24
30
36
2.4
3.8
5.2
1.8
3.15
4.5
74
77
80
-0.45
-0.35
-0.25
2.21
2.30
2.39
5.5
5.75
6
60
90
120
THERMAL IMPEDANCE
Notes:
1. Measured on the SOURCE pin close to plastic interface.
2. Soldered to 0.36 sq. inch (232 mm
2
), 2 oz. (610 gm/m
2
) copper clad.
3. Soldered to 1 sq. inch (645 mm
2
). 2 oz. (610 gm/m
2
) copper
clad.
Thermal Impedance: P/G Package:
(
θ
JA
) .............. 70
°
C/W
(2)
, 55
°
C/W
(3)
(
θ
JC
)
(1)
................................. 11
°
C/W
I
C
= I
DCT
, T
J
= 25
°
C
Duty Cycle = DC
LF
T
J
= 25
°
C
Frequency Switching from f
OSC
to
f
OSC(LOW)
, T
J
= 25
°
C
Frequency = f
OSC(LOW)
, T
J
= 25
°
C
I
C
= 1.5 mA
I
C
= I
DCT
, T
J
= 25
°
C
T
= 25
°
C
See Figure 4
I
C
= I
DCT
I
C
= I
DCT
, T
J
= 25
°
C
Switching
Frequency
Low Switching
Frequency
Duty Cycle at
Low Switching
Frequency
Low Frequency
Duty Cycle Range
Maximum
Duty Cycle
PWM
Gain
CONTROL Pin
Current at 30%
Duty Cycle
CONTROL Pin
Voltage
Dynamic
Impedance
Z
C
f
OSC
f
OSC(LOW)
DC
LF
DC
(RANGE)
DC
MAX
DC
REG
I
DCT
V
C(IDCT)
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