Absolute Maximum Ratings
Operating Junction Temperature, TJ..................................................................................................................................... 150¡C
Operating Temperature Range, TA ...............................................................................................................................-40 to 85¡C
Storage Temperature Range, TS...................................................................................................................................-65 to 150¡C
ESD (Human Body Model).........................................................................................................................................................2kV
Lead Temperature Soldering: Reflow (SMD styles only).............................................60 sec. max above 183¡C, 230¡C peak
VMAX
VMIN
ISOURCE
ISINK
Lead Symbol
UVSD
Lead Name
Undervoltage Shutdown Input
Overvoltage Shutdown Input
5V Reference Output
6V
6V
6V
-0.3V
-0.3V
-0.3V
1mA
1mA
N/A
N/A
OVSD
V5REF
150mA
25mA
OAM
Error Amp Minus Input
6V
6V
6V
6V
-0.3V
-0.3V
-0.3V
-0.3V
250µA
300µA
15µA
1.2mA
100mA
N/A
OAOUT
OUVDELAY
ILIM1
Error Amp Output
Output Overcurrent Timer Capacitor
Auxiliary Primary Side Current Limit Input
10µA
N/A
RAMP1
VFB1
Auxiliary Primary Side Current Ramp Input
Auxiliary Voltage Feedback Input
6V
6V
-0.3V
-0.3V
10µA
5µA
N/A
100µA
VSS
Bootstrapped Power Input
20V
-0.3V
2µA
0.5A Peak
300mA DC
VCC
Main Power Input
20V
-0.3V
See Note 1
0.5A Peak
300mA DC
GATE1
Gnd
Auxiliary FET Driver Output
Ground
20V
0V
-0.3V
0V
0.5A Peak
100mA DC
0.5Peak
100mA DC
0.5A Peak
N/A
300mA DC
GATE2
GATE2B
VFB2
Synchronous FET Driver Output
Synchronous FET Driver Output B
Synchronous Voltage Feedback Input
20V
20V
6V
-0.3V
-0.3V
-0.3V
0.5A Peak
100mA DC
0.5APeak
100mA DC
0.5A Peak
100mA DC
0.5A Peak
100mA DC
10µA
100µA
RAMP2
ILIM2
Synchronous Primary Side Current Ramp Input
Synchronous Primary Side Current Limit Input
6V
6V
-0.3V
-0.3V
10µA
10µA
N/A
N/A
DLYSET
FADJ
Gate Non-Overlap Programming Input
Frequency Programming Input
Clock Master Output
2.5V
2.5V
6V
-0.3V
-0.3V
-0.3V
125µA
125µA
50mA
N/A
N/A
SYNCOUT
100mA
SYNCIN
Clock Slave Input
6V
-0.3V
N/A
1mA
PROGRAM
ENABLE
Enable Programming Input
Enable Input
16V
16V
-0.3V
-0.3V
30µA
N/A
N/A
300µA
Note 1: Current out of VCC is not limited. Care should be taken to prevent shorting VCC to Ground.
2
CHERRY [ CHERRY SEMICONDUCTOR CORPORATION ]
