參數(shù)資料
型號(hào): TK75001
廠商: TOKO Inc.
英文描述: PWM CONTROLLER
中文描述: 脈寬調(diào)制控制器
文件頁(yè)數(shù): 4/13頁(yè)
文件大?。?/td> 102K
代理商: TK75001
Page 4
January 1999 TOKO, Inc.
TK75001
GND
DRV
NC
VCC
GND
NC
FB
CT
1 μF
CCC
OSCILLOSCOPE
CT
800 pF
OSCILLOSCOPE
1000 pF
20 k
TEST CIRCUIT
TYPICAL PERFORMANCE CHARACTERISTICS
I
12
20
SUPPLY CURRENT
VS.
SUPPLY VOLTAGE
VCC (V)
0.4
0 4 8 12 16 18
16
0.0
0.6
STANDBY
DEVICE ON
F
FREQUENCY AT DRV PIN
VS.
TIMING CAPACITANCE
CT (pF)
104
106
103
10 100 1000 10000
105
TA = 85
°
C
TA = -40
°
C
V
0.96
1.00
CURRENT CONTROL REFERENCE
VS.
TEMPERATURE
TEMPERATURE (
°
C)
0.92
-40 0 40 80 120
0.98
0.94
0.90
i
-100
SLOPE COMPENSATION PEAK
CURRENT
VS.
TEMPERATURE
TEMPERATURE (
°
C)
-220
-40 0 40 80 120
-140
-180
-260
I
30
INPUT CURRENT
VS.
FREQUENCY AT DRV
FREQUENCY (kHz)
18
0 200 400 600 800
26
22
14
CDRV = 1 nF
CDRV = 0 nF
CDRV = 500 pF
F
50
FREQUENCY REDUCTION RATIO
VS.
TEMPERATURE
TEMPERATURE (
°
C)
40
-40 0 40 80 120
48
44
36
54
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