CS3865C Datasheet, PDF (2/8 Pages) Cherry Semiconductor Corporation – High Performance Dual Channel Current Mode Controller with ENABLE

Absolute Maximum Ratings
Total Power Supply and Zener Current .........................................................................................................................50mA
Output Current, Source or Sink (Note 1)...........................................................................................................................1.0A
Output Energy (capacitive load per cycle) .......................................................................................................................5.0µJ
Current Sense, Enable and Voltage ......................................................................................................................-0.3 to +5.5V
Feedback Inputs
High State (Voltage)..........................................................................................................................................5.5V
Low State (Reverse Current) ......................................................................................................................-5.0mA
Error Amp Output Sink Current......................................................................................................................................10mA
Storage Temperature Range ................................................................................................................................-65 to +150°C
Operating Junction Temperature...................................................................................................................................+150°C
Operating Ambient Temperature.............................................................................................................................0 to +70°C
Lead Temperature Soldering
Wave Solder (through hole styles only) .................................................................................10 sec. max, 260°C peak
Reflow (SMD styles only) ..................................................................................60 sec. max above 183°C, 230°C peak
Electrical Characteristics: V_CC = 15V, R_T = 8.2kΩ, C_T = 3.3nF, for typical values T_A=25˚C, for min/max values T_A is the operating
ambient temperature range that applies [Note 3].
PARAMETER
TEST CONDITIONS
s Reference Section
Reference Output Voltage,
V_REF
Line Regulation
Load Regulation
Total Output Variation over
Line, Load and Temperature
I_OUT=1.0mA, T_J=25°C
11V≤V_CC≤15V
1.0mA≤I_OUT≤10mA
Output Short Circuit Current
MIN
TYP
4.9
5.0
2.0
3.0
4.85
30
100
MAX
5.1
20.0
25.0
5.15
UNIT
V
mV
mV
V
mA
s Oscillator and PWM Sections
Total Frequency Variation 11V≤V_CC≤15V, T_low≤T_A≤T_high
over Line and Temperature
Frequency Change with
Voltage
11V≤V_CC≤15V
Duty Cycle at each Output Maximum
Sync Input Current
High State V_IN=2.4V
Low State V_IN=0.8V
s Error Amplifiers
Voltage Feedback Input
Input Bias Current
V_OUT=2.5V
V_FB=5.0V
Open-Loop Voltage Gain
V_OUT=2.0 to 4.0V
Unity Gain Bandwidth
T_J=25°C (note 6)
Power Supply Rejection Ratio V_CC=11V to 15V
Output Current
Source V_OUT=3.0V, V_FB=2.3V
Sink V_OUT=1.2V, V_FB=2.7V
Output Voltage Swing
High State, R_L=15k to ground,
V_FB=2.3V
Low State, R_L=15k to V_REF,
V_FB = 2.7V
46.5
49.0
0.2
46.0
49.5
170
80
2.42
65
0.7
60
-0.45
2.00
5.0
2.50
-0.1
100
1.0
90
-1.00
12.00
6.2
0.8
51.5
kHz
1.0
%
52.0
%
250
µA
160
2.58
V
-1.0
µA
dB
MHz
dB
mA
mA
V
1.1
2