uc3842g-s08-t Unisonic Technologies, uc3842g-s08-t Datasheet - Page 4
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uc3842g-s08-t
Manufacturer Part Number
uc3842g-s08-t
Description
High Performance Current Mode Controller
Manufacturer
Unisonic Technologies
Datasheet
1.UC3842G-S08-T.pdf
(8 pages)
STANDBY SECTION
Reduce Frequency Point of Standby Mode
REFERENCE SECTION
Reference Output Voltage
Line Regulation
Load Regulation
Output Short Circuit Current
OSCILLATOR SECTION
Frequency
Frequency
Frequency Change
Oscillator Voltage
ERROR AMPLIFIER SECTION
Input Voltage
Input Bias Current
AVOL
Unity Gain Bandwidth
PSRR
Output Sink Current
Output Source Current
V
V
CURRENT SENSE SECTION
Gain
Maximum Input Signal
PSRR
Input Bias Current
Delay to Output
UC3842G
Supply Voltage (Low Impedance Source)
Supply Voltage (I
Output Current (Peak)
Output Energy (Capacity load)
Junction Temperature
Operating Temperature
Storage Temperature
Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.
(0°C≤Ta≤70°C, V
OUT
OUT
High
Low
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
PARAMETER
CC
<30mA)
CC
=15V, C
PARAMETER
T
=3.3n , unless otherwise specified)
SYMBOL
∆f
V
I
V
∆V
∆V
V
V
SOURCE
V
I
OSC(P-P)
V
V
f
f
OSC
I(BIAS)
I
I
V
OSC1
OSC2
V
I(MAX)
COMP
SINK
I
OSCL
OSCH
G
BIAS
I(EA)
REF
SC
OH
OL
REF
REF
V
/∆V 12V≤V
(Ta=25°C)
Right load
I
12V≤V
I
Normal
No load or right load
V
V
2V≤V
T
12V≤V
V
V
V
V
(Note2,3)
V
12V≤V
OUT
OUT
J
COMP
FB
FB
FB
FB
FB
COMP
=25°C(Note1)
=5V
=2.7V, V
=2.3V, V
=2.3V, R
=2.7V, R
=1.0mA
=1.0mA to 20mA
OUT
=2.5V
=5V(Note2)
TEST CONDITION
CC
CC
CC
CC
SYMBOL
≤4V
I
≤25V
≤25V
≤25V
≤25V
O(PEAK)
T
T
V
V
T
OPR
STG
CC
CC
COMP
COMP
L
L
J
=15K to GND
=15K to V
LINEAR INTEGRATED CIRCUIT
=1.1V
=5V
REF
Self Limiting
-40 ~ +125
-65 ~ +150
RATINGS
+150
30
±1
5
4.95
2.42
2.85
MIN
-0.5
-30
0.7
5.0
0.9
49
60
60
2
TYP
2.50
-0.3
-0.7
150
2.2
5.0
-65
0.2
1.6
1.2
2.8
5.6
0.8
52
14
90
70
70
-2
3
8
1
4
3
1
MAX
-180
5.05
2.58
3.15
300
1.0
1.1
1.1
-10
QW-R103-036,A
20
25
55
-2
UNIT
µJ
°C
°C
°C
4 of 8
V
V
A
UNIT
MHz
KHz
KHz
V/V
mV
mV
mA
mA
mA
µA
dB
dB
dB
µA
nS
%
V
V
V
V
V
V
V
V
V