Diodes ZXSC310 - Manual (Page 2)

ABSOLUTE MAXIMUM RATINGS:
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
S E M I C O N D U C T O R S
ZXSC310
ISSUE 3 - SEPTEMBER 2007
2
Symbol Parameter Conditions Min Typ Max Units
␩ 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)
V
EN =
V
CC
(enabled)
V
EN =
0V (standby)
0.2
5 10
mA
µA
I
VDRIVE
Base drive current V
DRIVE
= 0.7V, V
ISENSE
= 0V 1.5 3.5 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
STDN(high)
Device enabled 0.7 V
V
STDN(low)
Device in standby mode 0.15 V
I
STDN
Enable input current -1 1 µA
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
ELECTRICAL CHARACTERISTICS:
Test conditions unless otherwise stated: V
CC
=1.5V, T
AMB
=25 C
Symbol Parameter Conditions Min Typ Max Units
F
OSC
Recommended operating
frequency
(4)
200 kHz
OPERATING CONDITIONS
(1) Application dependent, see reference designs
(2) These parameters guaranteed by Design and characteristics
(3) Total supply current =I
Q
+ I
VDRIVE
, see typical characteristics
(4) Operating frequency is application circuit dependent. See applications section.