參數(shù)資料
型號(hào)： TOP234P
英文描述： Analog IC
中文描述： 模擬IC
文件頁(yè)數(shù)： 24/36頁(yè)
文件大?。?/td> 650K
代理商： TOP234P
TOP232-234
24
B
7/01
ABSOLUTE MAXIMUM RATINGS
(1)
DRAIN Voltage ............................................ -0.3 to 700 V
DRAIN Peak Current: TOP232 .................................0.8 A
TOP233 .................................1.6 A
TOP234 .................................2.4 A
CONTROL Voltage .......................................... -0.3 to 9 V
CONTROL Current ...............................................100 mA
MULTI-FUNCTION Pin Voltage .................... -0.3 to 9 V
FREQUENCY Pin Voltage............................... -0.3 to 9 V
I
C
= 4 mA;
T
J
= 25
°
C
I
C
= I
CD1
f
OSC
f
f
M
DC
MAX
DC
MIN
t
SOFT
CONTROL FUNCTIONS
Conditions
(Unless Otherwise Specified)
See Figure 34
SOURCE = 0 V
;
T
J
= -40 to 125
°
C
Min
Typ
Max
Parameter
Symbol
Units
THERMAL IMPEDANCE
kHz
kHz
Hz
%
%
ms
%/mA
Thermal Impedance: Y Package (
θ
JA
)
(1)
............... 70
°
C/W
(
θ
JC
)
(2)
................. 2
°
C/W
P/G Package:
(
θ
JA
) ........45
°
C/W
(3)
; 35
°
C/W
(4)
(
θ
JC
)
(5)
.......................... 11
°
C/W
Notes:
1. Free standing with no heatsink.
2. Measured at the back surface of tab.
3. Soldered to 0.36 sq. inch (232 mm
2
), 2oz. (610 gm/m
2
) copper clad.
4. Soldered to 1 sq. inch (645 mm
2
), 2oz. (610 gm/m
2
) copper clad.
5. Measured on the SOURCE pin close to plastic interface.
124
132
140
61.5
66
70.5
±
4
±
2
250
75.0
78.0
82.0
35.0
47.0
57.0
0.8
1.5
2.7
10
14
-27
-22
-17
I
C
= 4 mA; T
J
= 25
°
C
Switching
Frequency
(average)
Frequency Jitter
Deviation
Frequency Jitter
Modulation Rate
Maximum Duty
Cycle
Minimum Duty
Cycle (Prior to
Cycle Skipping)
Soft Start Time
PWM
Gain
FREQUENCY Pin
Connected to SOURCE
FREQUENCY Pin
Connected to CONTROL
132 kHz Operation
66 kHz Operation
I
M
≤
I
M(DC)
I
M
= 190
μ
A
T
J
= 25
°
C; DC
MIN
to
DC
MAX
Storage Temperature.....................................-65 to 150
°
C
Operating Junction Temperature
(2)
................-40 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.
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