SG6841SZ Fairchild Semiconductor, SG6841SZ Datasheet - Page 4

• Manufacturer Part Number: SG6841SZ
• Description: IC CTLR PWM HI INTEGRATED 8-SOIC
• Manufacturer: Fairchild Semiconductor

Specifications of SG6841SZ

• Frequency - Max: 70kHz
• Pwm Type: Controller
• Number Of Outputs: 1
• Duty Cycle: 90%
• Voltage - Supply: 10 V ~ 20 V
• Buck: No
• Boost: No
• Flyback: Yes
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: No
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

High-integrated Green-mode PWM Controller
ABSOLUTE MAXIMUM RATINGS
Symbol
V
I
V
V
V
V
P
RΘ j-a
T
T
Tstg
T
RECOMMENDED OPERATING CONDITIONS
ELECTRICAL CHARACTERISTICS
Feedback Input Section
Symbol
A
Z
I
V
©System General Corp.
Version 2.1 (IRO33.0001.B5)
Symbol
V
T
R
OUT
FB
J
A
L
FB
DD
FB
Sense
RT
RI
D
V
OZ
A
DD
I
Parameter
DC Supply Voltage
Zener clamp
Zener current
Gate Output Current
Input Voltage to FB Pin
Input Voltage to SENSE Pin
Input Voltage to RT Pin
Input Voltage to Ri Pin
Power Dissipation
Thermal Resistance Junction-air
DIP
SOP
Operating Junction Temperature
Operating Ambient Temperature
Storage Temperature Range
Lead Temperature (Wave soldering or IR, 10 seconds)
ESD Capability, HBM model
ESD Capability, Machine model
Parameter
Input-voltage to current-sense attenuation
Input impedance
Bias current
Input voltage for zero duty cycle
Parameter
DC Supply Voltage
Current source Setting
Operating Ambient Temperature
- 4 -
Test Condition
Value
<20
-20 to +85
26
Value
30
32
10
500
-0.3 to 7V
-0.3 to 7V
-0.3 to 7V
-0.3 to 7V
1
82.5
141
150
-30 to 85
-55 to +150
260
3.0
250
Min.
1/3.25
2
Typ.
1/3
4.5
Product Specification
Unit
V
℃
K
Ω
Max.
1/2.75
8
2
1.2
www.sg.com.tw
Jun.15,2006
V
V
mA
V
W
°C /W
°C
°C
°C
°C
KV
V
Unit
mA
V
V
V
SG6841
Unit
V/V
KΩ
mA
V