Absolute Maximum Ratings
Output Current, Source or Sink (Note 1)......................................................................................................................400mA
Output Energy (capacitive load per cycle) .......................................................................................................................5.0µJ
Current Sense, Enable and Voltage......................................................................................................................-0.3 to +5.5V
Feedback Inputs
Sync Input
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
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, 0°C ≤ TA ≤ 70°C [Note 2], unless otherwise specified.
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 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
V
OUT = 2.5V
2.42
2.50
-0.1
100
1.0
2.58
-1.0
V
VFB = 5.0V
µA
dB
Open-Loop Voltage Gain
Unity Gain Bandwidth
2.0V ≤ VOUT ≤ 4.0V
TJ = 25°C (Note 5)
65
0.7
60
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 = 15kΩ to ground,
VFB = 2.3V
Low State RL = 15kΩ to VREF
5.0
6.2
0.8
V
V
,
VFB = 2.7V
1.1
2