Diodes ZXSC300 - Manual (Page 2)

ABSOLUTE MAXIMUM RATING
ZXSC300
ISSUE 4 - SEPTEMBER 2007
2
Supply Voltage -0.3 to 10V
Maximum Voltage Other Pins -0.3 to V CC +0.3V
Power Dissipation 450mW
Operating Temperature -40 to 85°C
Storage Temperature -55 to 150°C
ELECTRICAL CHARACTERISTICS: Test conditions unless otherwise stated: V
CC
=1.5V, T
AMB
=25°C
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNITS
η Efficiency
(1)
94 %
V
CC
Recommended
supply voltage range 0.8 8 V
V
CC(min)
Minimum startup
and operating
voltage I
DRIVE
=-600µA, V
DRIVE
=0.7V
I
DRIVE
=-600µA, V
DRIVE
=0.7V,
T
AMB
=-10°C
(3)
0.8
0.9
0.92 V
I
Q
Quiescent current
(2)
0.2 mA
I
VDRIVE
Base drive current V
DRIVE
= 0.7V, V
ISENSE
= 0V 1.5 3.6 mA
I
CC
Supply current (3) V
DRIVE
= 0.7V, V
ISENSE
= 0V 2 4 mA
V
VDRIVE(high)
High level drive
voltage V
ISENSE
= 0V, I
VDRIVE
=-0.5mA V
CC
-0.3 V
CC
V
V
VDRIVE(low)
Low level drive
voltage V
ISENSE
= 50mV, I
VDRIVE
= 5mA 0 0.2 V
V
ISENSE
(threshold)
Output current
reference voltage 14 19 24 mV
T
CVISENSE
I
SENSE
voltage temp co. 2
0.4 %/°C
I
ISENSE
I
SENSE
input current V
ISENSE
= 0V 0 -30 -65 µA
T
DRV
Discharge pulse width 1.2 1.7 3.2 µs
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNITS
F
OSC
Recommended operating frequency (4) 200 kHz
1
Application dependent, see reference designs.
2 These parameters guaranteed by design and characterisation
3
Total supply current =I Q + I VDRIVE , see typical characteristics
4 Operating frequency is application circuit dependent. See applications section.
OPERATING CONDITIONS