CS51221
Absolute Maximum Ratings
Operating Junction Temperature, T
J
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Internally Limited
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
Storage Temperature Range, T
S
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -65 to 150˚C
ESD (Human Body Model). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2kV
PIN SYMBOL
PIN NAME
V
MAX
15V
6V
6V
6V
6V
6V
6V
6V
6V
6V
6V
15V
15V
6V
N/A
V
MIN
-0.3V
-0.3V
-0.3V
-0.3V
-0.3V
-0.3V
-0.3V
-0.3V
-0.3V
-0.3V
-0.3V
-0.3V
-0.3V
-0.3V
N/A
I
SOURCE
1.0A Peak
200mA DC
1mA
1mA
1mA
10mA
1mA
10mA
1mA
1mA
1mA
1mA
10mA
10mA
Internally
Limited
1.0A Peak
200mA DC
N/A
I
SINK
1.0A Peak
200mA DC
1mA
10mA
25mA
20mA
1mA
10mA
1mA
1mA
1mA
10mA
50mA
1.0A Peak
200mA DC
10mA
N/A
GATE
I
SENSE
R
T
C
T
FF
COMP
V
FB
SYNC
UV
OV
I
SET
SS
V
CC
V
C
V
REF
PGnd
Gate Drive Output
Current Sense Input
Timing Resistor/Capacitor
Feed Forward
Error Amp Output
Feedback Voltage
Sync Input
Under Voltage
Over Voltage
Current Set
Soft Start
Logic Section Supply
Power Section Supply
Reference Voltage
Power Ground
LGnd
Logic Ground
N/A
N/A
N/A
2
CHERRY [ CHERRY SEMICONDUCTOR CORPORATION ]
