參數(shù)資料
型號: FAN5019MTCX_NL
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類: 穩(wěn)壓器
英文描述: SWITCHING CONTROLLER, 4000 kHz SWITCHING FREQ-MAX, PDSO28
封裝: LEAD FREE, TSSOP-28
文件頁數(shù): 30/30頁
文件大?。?/td> 781K
代理商: FAN5019MTCX_NL
PRODUCT SPECIFICATION
FAN5019
REV. 1.0.7 1/5/04
9
Typical Characteristics
Test Circuits
TPC 1. Master Clock Frequency
TPC 2. Supply Current vs. Master Clock Frequency
3.5
4
3
2.5
2
1.5
1
0.5
0
100
0
200
RESISTOR’S RT VALUE (k
)
MASTER
CLOCK
FREQUENCY
(MHz)
300
400
5.2
5.3
5.1
5.0
4.9
4.8
4.7
4.6
1.0
0
2.0
MASTER CLOCK FREQUENCY (MHz)
SUPPLY
CURRENT
(mA)
3.0
4.0
0.5
1.5
2.5
3.5
TA = 25°C
4-Phase Operation
VCC
28
18
19
17
16 CSREF
CSSUM
CSCOMP
GND
CSA
100nF
39k
1k
1V
+12V
40
CSCOMP–1V
VOS =
Test Circuit 1. Current Sense Amplifier VOS
VCC
28
18
19
17
16
CSREF
CSSUM
CSCOMP
GND
CSA
100nF
200k
1V
+12V
9
8
10k
FB
COMP
200k
80mV
VID
FB
V
FB
V
=
Test Circuit 2. Voltage Positioning
VID4
VID0
VID1
VID2
VID3
VID5
FAN5019
VCC
1VID4
8
11
10
9
12
14
13
6
5
4
7
3
2
28
21
18
19
20
17
15
16
23
24
25
22
26
27
RAMPADJ
RT
DELAY
EN
PWRGD
COMP
FB
FBRTN
VID5
VID0
VID1
VID2
VID3
ILIMIT
CSREF
CSSUM
CSCOMP
GND
SW4
SW3
SW2
SW1
PWM4
PWM3
PWM2
PWM1
250k
100nF
4.7nF
250k
20k
1
F
100nF
+12V
1k
Test Circuit 3. Closed Loop Output Voltage Accuracy
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