Electrical Characteristics: Specifications apply for 4.5 ² VCC ² 16V, 3V ² VC ² 16V, -40¡C ² TJ ² 125¡C,
unless otherwise specified.
PARAMETER
■ Power Stage
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VCC = VC = 10V; VFB = 1.2V
GATE DC Low Saturation
Voltage
GATE DC High Saturation
Voltage
VCOSC = 1V; 200mA Sink
1.2
1.5
1.5
2.1
V
V
VCOSC = 2.7V; 200mA Source; VC = VGATE
Rise Time
Fall Time
CGATE = 1nF; 1.5V < VGATE < 9V
CGATE = 1nF; 9V > VGATE > 1.5V
25
25
60
60
ns
ns
■ VCC Monitor
Turn On Threshold
Turn Off Threshold
Hysteresis
4.200
4.085
65
4.400
4.300
130
4.600
4.515
200
V
V
mV
■ Current Drain
ICC
IC
4.5V < VCC < 16V, Gate switching
3V < VC < 16V, Gate non-switching
VCC = 4,
4.5
2.7
500
6.0
4.0
900
mA
mA
µA
Shutdown ICC
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
VGATE
PGnd
COSC
Gnd
VFB
Driver pin to gate of external PFET.
Output power stage ground connection.
Oscillator frequency programming capacitor.
Logic ground.
Feedback voltage input.
VCC
CS
Logic supply voltage.
Soft start and fault timing capacitor.
Driver supply voltage.
VC
3
CHERRY [ CHERRY SEMICONDUCTOR CORPORATION ]
