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参数资料
| 型号： | FAN6793MY |
| 厂商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分类： | 稳压器 |
| 英文描述： | DUAL SWITCHING CONTROLLER, 68 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封装： | GREEN, MS-012AC, SOIC-16 |
| 文件页数： | 19/20页 |
| 文件大小： | 1044K |
| 代理商： | FAN6793MY |
2008 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FAN6791 / FAN6793 Rev. 1.0.3
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ion
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ont
roller
Electrical Characteristics
VDD=18V; RI=24k;TA=25°C, unless noted.
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Units
VDD Section
VDD-OP
Continuously Operating Voltage
22
V
IDD ST
Startup Current
VDD – 0.16V
10
50
μA
IDD-OP1
Operating Current 1
VDD=15V; GATE Open
6
10
mA
IDD-OP2
Operating Current 2
VDD=15V; GATE Open,
IREF=10mA
16
20
mA
VTH-ON
Start Threshold Voltage
15
16
17
V
VTH-OFF
Minimum Operating Voltage
9
10
11
V
VTH-OLP
IDD-OLP Off Voltage
6.5
7.5
8.0
V
ITH-OLP
Internal Sink Current
VTH-OLP +0.1V
70
80
100
μA
VDD-OVP
VDD Over-Voltage Protection
(Turn Off PWM with Delay)
23.4
24.5
25.5
V
tOVP
VDD Over-Voltage Protection
Debounce
VDD-OVP=26V
80
100
120
μs
HV
ID
Maximum Input Current
VAC=90V(VDC=120V),
VDD=10F
1.5
2.5
3.5
mA
IHV-CS
Internal Current Source
HV=500V,VDD=15V
10
50
μA
Oscillator and Green-Mode Operation
VRI
RI Voltage
1.176
1.200
1.224
V
fOSC
Normal PWM Frequency
Center Frequency,
RI=24k
62
65
68
kHz
Jitter Range
±3.7
±4.2
±4.7
fOSC-G-MIN
Minimum Frequency in Green
Mode
RI=24k
18
20
22
kHz
RI
RI Range
12
24
47
k
RIOPEN
RI Pin Open Protection
If RI > RIOPEN, PWM
Turned Off
1
M
RISHORT
RI Pin Short Protection
If RI > RISHORT, PWM
Turned Off
6
k
VRMS for AC Brownout Protection
VRMS-OFF
Off Threshold Voltage for AC
Brownout Protection
0.75
0.80
0.85
V
VRMS-ON
Start Threshold Voltage for AC
Brownout Protection
VRMS-UVP-1
+0.17
VRMS-UVP-1
+0.19
VRMS-UVP-1
+0.21
V
tRMS
AC Brownout Protection
Debounce Time
RI=24k
150
195
240
ms
VREF
VREF
Reference voltage
IREF=1mA, CREF=0.1F
4.75
5.00
5.25
V
△
VREF1
Load Regulation of Reference
Voltage
CREF=0.1F,
IREF=1mA to 10mA
80
mV
△
VREF2
Line Regulation of Reference
Voltage
CREF=0.1F,
VDD=12V to 22V
25
mV
IREF_MAX
Maximum Current
10
15
mA
IOS
VREF Short Current
VDD=15V
15
20
25
mA
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