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: VCC = 15V, RT = 8.2kΩ, CT = 3.3nF, for typical values TA=25˚C, for min/max values TA is the operating
ambient temperature range that applies [Note 3].
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
ꢀ Reference Section
Reference Output Voltage,
VREF
IOUT=1.0mA, TJ=25°C
4.9
5.0
5.1
V
Line Regulation
Load Regulation
11V≤VCC≤15V
2.0
3.0
20.0
25.0
5.15
mV
mV
V
1.0mA≤IOUT≤10mA
Total Output Variation over
Line, Load and Temperature
4.85
30
Output Short Circuit Current
100
mA
ꢀ Oscillator and PWM Sections
Total Frequency Variation
over Line and Temperature
11V≤VCC≤15V, Tlow≤TA≤Thigh
11V≤VCC≤15V
46.5
46.0
49.0
0.2
51.5
1.0
kHz
%
Frequency Change with
Voltage
Duty Cycle at each Output
Sync Input Current
Maximum
49.5
52.0
%
High State VIN=2.4V
Low State VIN=0.8V
170
80
250
160
µA
ꢀ Error Amplifiers
Voltage Feedback Input
Input Bias Current
VOUT=2.5V
2.42
2.50
-0.1
100
1.0
2.58
-1.0
V
µA
VFB=5.0V
Open-Loop Voltage Gain
Unity Gain Bandwidth
VOUT=2.0 to 4.0V
TJ=25°C (note 6)
65
0.7
60
dB
MHz
dB
Power Supply Rejection Ratio VCC=11V to 15V
90
Output Current
Source VOUT=3.0V, VFB=2.3V
Sink VOUT=1.2V, VFB=2.7V
-0.45
2.00
-1.00
12.00
mA
mA
Output Voltage Swing
High State, RL=15k to ground,
VFB=2.3V
5.0
6.2
0.8
V
Low State, RL=15k to VREF
,
VFB = 2.7V
1.1
2
CHERRY [ CHERRY SEMICONDUCTOR CORPORATION ]
