參數(shù)資料
型號: FAN7554
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類: 穩(wěn)壓器
英文描述: Versatile PWM Controller
中文描述: 1 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDIP8
封裝: DIP-8
文件頁數(shù): 4/22頁
文件大?。?/td> 1006K
代理商: FAN7554
FAN7554
4
Electrical Characteristics
(Ta = 25
°
C, Vcc=16V, Rt=10k
, Ct=3.3nF unless otherwise specified)
Parameter
< REFERENCE SECTION >
Reference Output Voltage
Line Regulation
Load Regulation
Short Circuit Output Current
< OSCILLATOR SECTION >
Oscillation Frequency
Frequency Change with Vcc
Ramp High Voltage
Ramp Low Voltage
Discharge Current
< PWM SECTION >
Sense Threshold Voltage
Feedback Threshold Voltage
Feedback Source Current
Max. Duty Cycle
Min. Duty Cycle
< PROTECTION SECTION >
Shutdown Delay Current
Shutdown Feedback Voltage
Over Current Protection
Over Voltage Protection
< ON/OFF CONTROL SECTION >
Off Mode Sink Current
Off Threshold Voltage
< SOFT-START SECTION >
Soft Start Current
Soft Start Limit Voltage
<OUTPUT SECTION>
Low Output Voltage1
High Output Voltage1
Low Output Voltage2
High Output Voltage2
Rising Time (Note1)
Falling Time (Note1)
<UVLO SECTION>
Start Threshold Voltage
Min. Operating Voltage
Symbol
Conditions
Min.
Typ.
Max.
Unit
V
REF
V
REF1
V
REF2
I
SC
T
j
=25
°
C , Iref =1mA
Vcc =12V ~ 25V
Iref =1mA ~ 20mA
T
j
= 25
°
C
4.90
-
-
-
5.00
6
6
0.1
5.10
20
25
0.18
V
mV
mV
A
F
OSC
F
OSC1
V
RH
V
RL
Idisch
T
j
= 25
°
C
Vcc = 12V ~ 25V
45
-
-
-
6.1
50
0.05
2.8
1.2
-
55
1.0
-
-
9.4
kHz
%
V
V
mA
-
-
V
RT/CT
= 3.3V
V
TH(IS)
V
TH(FB)
I
FB
D
(MAX)
D
(MIN)
V
FB
= 5V
V
IS
= 0V
V
FB
= 0V, V
S/S
= 5V
0.8
0.2
-
92
-
1.0
0.3
1.0
95
-
1.2
0.4
-
98
0
V
V
mA
%
%
-
-
I
SD
V
SD
V
OC
V
OVP
4V
V
FB
V
SD
V
FB
> 5V
V
IS
> 1.5V,
t
on
> 500nS
3.5
5.4
1.6
30
5
6
2
6.5
6.6
2.4
38
uA
V
V
V
-
34
I
SINK
V
OFF
V
FB
< V
TH(FB)
, V
S/S
= 5V
V
FB
< V
TH(FB)
-
4
-
mA
V
1.2
1.5
1.8
I
S/S
V
FB
= 5V, V
S/S
= 0V
Vcc = 16V
-
-
1.1
5.2
-
-
mA
V
V
LIM(S/S)
V
OL1
V
OH1
V
OL2
V
OH2
t
R
t
F
V
CC
= 18V, I
O
= 50mA
V
CC
= 18V, I
O
= -50mA
V
CC
= 18V, I
O
= 200mA
Vcc = 18V, Io = -200mA
T
j
= 25
°
C, C
L
= 1nF
T
j
= 25
°
C, C
L
= 1nF
-
0.15
15
1.5
14
80
40
0.4
17
2.5
16
-
-
V
V
V
V
ns
ns
13
-
12
-
-
V
TH(ST)
V
OPR(M)
-
-
13.2
8.2
15
9
16.2
10.2
V
V
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
FAN7554_03 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Versatile PWM Controller
FAN7554D 功能描述:DC/DC 開關(guān)控制器 PWM Controller RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
FAN7554D_Q 功能描述:電流型 PWM 控制器 PWM Controller RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14
FAN7554DTF 功能描述:DC/DC 開關(guān)控制器 PWM Controller RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
FAN7554DTF_Q 功能描述:電流型 PWM 控制器 PWM Controller RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14