CS51031
Electrical Characteristics: Specifications apply for 4.5 ² V
CC
² 16V, 3V ² V
C
² 16V, -40¡C ² T
J
² 125¡C,
unless otherwise specified.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
s
Power Stage
GATE DC Low Saturation
Voltage
GATE DC High Saturation
Voltage
Rise Time
Fall Time
s
V
CC
Monitor
Turn On Threshold
Turn Off Threshold
Hysteresis
s
Current Drain
I
CC
I
C
Shutdown I
CC
V
CC
= V
C
= 10V; V
FB
= 1.2V
V
COSC
= 1V; 200mA Sink
V
COSC
= 2.7V; 200mA Source; V
C
= V
GATE
C
GATE
= 1nF; 1.5V < V
GATE
< 9V
C
GATE
= 1nF; 9V > V
GATE
> 1.5V
1.2
1.5
25
25
1.5
2.1
60
60
V
V
ns
ns
4.200
4.085
65
4.400
4.300
130
4.600
4.515
200
V
V
mV
4.5V < V
CC
< 16V, Gate switching
3V < V
C
< 16V, Gate non-switching
V
CC
= 4,
4.5
2.7
500
6.0
4.0
900
mA
mA
µA
Note 1: Guaranteed by design not 100% tested in production.
Package Pin Description
PACKAGE PIN #
PIN SYMBOL
FUNCTION
8L SO Narrow & PDIP
1
2
3
4
5
6
7
8
V
GATE
PGnd
C
OSC
Gnd
V
FB
V
CC
CS
V
C
Driver pin to gate of external PFET.
Output power stage ground connection.
Oscillator frequency programming capacitor.
Logic ground.
Feedback voltage input.
Logic supply voltage.
Soft start and fault timing capacitor.
Driver supply voltage.
3
CHERRY [ CHERRY SEMICONDUCTOR CORPORATION ]
