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參數(shù)資料
| 型號(hào)： | TK83854DTL |
| 廠商： | TOKO INC |
| 元件分類(lèi)： | 穩(wěn)壓器 |
| 英文描述： | 1.5 A POWER FACTOR CONTROLLER, 118 kHz SWITCHING FREQ-MAX, PDIP16 |
| 封裝： | PLASTIC, DIP-16 |
| 文件頁(yè)數(shù)： | 8/12頁(yè) |
| 文件大?。?/td> | 105K |
| 代理商： | TK83854DTL |
April 2001 TOKO, Inc.
Page 5
TK83854D
10 k
100
10 k
10 nF
0.1 nF
0.39 nF
1.0 nF
0.01 nF
8.2 k
10 k
15 k
100
10 F
0.1 F
GND
PKLMT
CAOUT
ISENSE
MULT
IAC
VAOUT
V RMS
GTDRV
VCC
CT
SS
RSET
VSENSE
ENA
Vref
PKLMT
NC
CAOUT
IAC
MULTOUT
NC
VAOUT
VRMS
NC
ENA
NC
VCC
B
AC
7.5 V
IM = (AB) / C
TYPICAL PERFORMANCE CHARACTERISTICS
T
A = TJ = 25 °C
TEST CIRCUIT
MULTOUT
(A)
0
400
MULTIPLIER OUTPUT vs.
VOLTAGE ON MULTIPLIER
IAC (A)
0
200
400
600
800
200
600
VAOUT = 5 V
V(rms) = 2 V
MULTOUT = 3 V
MULTOUT = 0 V
MULTOUT = 1 V
MULTOUT = 2 V
0.1
1
10
100
1000 10000
FREQUENCY (kHz)
A
OL(CA)
(dB)AND
PHASE
MARGIN
(
)
120
100
80
60
20
40
PHASE MARGIN
OPEN LOOP GAIN
CURRENT AMPLIFIER GAIN AND
PHASE vs. FREQUENCY
0
-20
0.1
1
10
100
1000 10000
FREQUENCY (kHz)
A
OL(VA)
(dB)AND
PHASE
MARGIN
(
)
120
100
80
60
20
40
PHASE MARGIN
OPEN LOOP GAIN
VOLTAGE AMPLIFIER GAIN AND
PHASE vs. FREQUENCY
0
-20
0
10
100
RSET (k)
DUTY
CYCLE
(%)
100
95
90
80
85
GATE DRIVE MAXIMUM DUTY
CYCLE vs. RSET
75
70
FREQUENCY
(kHz)
RSET (k)
1
10
100
1000
100
1
100 pF
OSCILLATOR FREQUENCY VS.
RSET AND CT
10
200 pF
500 pF
10 nF
5 nF
1 nF
2 nF
3 nF
t R(G)
/
t
F(G)
(ns)
100
500
GATE DRIVE RISE AND FALL TIMES
vs. LOAD CAPACITANCE
CLOAD (F)
0
.01
.02
.03
.04
.05
300
700
FALL TIME
RISE TIME
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