SG6846 查看數據表（PDF） - Unspecified
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SG6846 Datasheet PDF : 14 Pages
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Highly-Integrated Green-Mode PWM Controller
Product Specification
SG6846
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter
VDD
Supply Voltage
VL
Input Voltage to VIN, FB, SENSE, RT, RI Pin
PD
Power Dissipation
RΘ J-C
TJ
TSTG
TL
Thermal Resistance
Operating Ambient Temperature
Storage Temperature Range
Lead Temperature (Soldering)
Test Condition
at TA < 50°C
Junction-Case
DIP
SOP
DIP
SOP
10 sec
10 sec
DIP
SOP
*All voltage values, except differential voltages, are given with respect to GND pin.
Value
25
-0.3 to 7V
800
400
67.1
41.2
-40 to 125
-65 to +150
260
230
*Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device.
RECOMMENDED OPERATING JUNCTION TEMPERATURE: -30°C ~ 85°C*
*For proper operation
Unit
V
V
mW
°C/W
°C
°C
°C
ELECTRICAL CHARACTERISTICS (VDD = 15V, TA = 27°C, unless noted)
VDD Section
Symbol
Parameter
Test Condition
Min. Typ. Max.
VOP
VTH-ON
VTH-OFF
IDD-ST
IDD-OP
Continuously Operating Voltage
On Threshold Voltage
Off Threshold Voltage
Start-Up Current
Operating Supply Current
VDD = 15V
GATE Open
20
15.5
16.5
17.5
9.5
10.5
11.5
8
30
3.7
5
VDD-OVP
TVDD-OVP
IDD-OVP
VDD-TH-G
VDD Over Voltage Protection (Latch off)
22.6
VDD OVP Debounce Time
VDD OVP Latch-up Holding Current
RI = 26KΩ
VDD = 5V, TA = 27oC
VDD Low-threshold Voltage to Exit Green-OFF
Mode
23.6
24.6
100
45
VTH(OFF) +
1.25
Unit
V
V
V
uA
mA
V
usec
uA
V
VIN Section
Symbol
Parameter
VIN-OFF
PWM Turn-off Threshold Voltage
VIN-ON
PWM Turn-on Threshold Voltage
Test Condition
Min.
0.67
Typ.
0.72
VIN-OFF +
0.2
Max.
0.77
Unit
V
V
Feedback Input Section
Symbol
Parameter
AV
Input-Voltage to Current-Sense Attenuation
ZFB
Input Impedance
VFB0
FB Pin open voltage
Test Condition
Min.
4
Typ.
1/4.2
5.5
6.2
Max. Unit
V/V
7
KΩ
V
© System General Corp.
-4-
Version 1.0(IAO33.0008.B0)
www.sg.com.tw
Sep. 30, 2004
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