ZXSC440 Zetex Semiconductors plc., ZXSC440 Datasheet - Page 2

• Manufacturer Part Number: ZXSC440
• Description: Zxsc440 - Photoflash Charger
• Manufacturer: Zetex Semiconductors plc.

ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
NOTES
(1) Excluding gate/base drive current.
(2) I FB is typically half of these at 3V.
(3) Shutdown pin voltage must not exceed (V CC +0.3V) or 5V, whichever is lower.
ZXSC440
SYMBOL
V
Iq
I
Eff
Acc
TCO
T
F
INPUT PARAMETERS
V
I
V
I
VIH
VIL
dV
OUTPUT PARAMETERS
I
V
C
VOH
VOL
T
dI
PARAMETER
V
DRIVE
READY
CHARGE
V
Operating temperature
Storage temperature
Power dissipation at 25°C
STDN
SENSE
FB
DRIVE
DRV
OSC
READY
CC
SENSE
FB
DRIVE
DRIVE
CC
FB
LD
(1)
LN
S E M I C O N D U C T O R S
(2)
(2)
, SENSE
REF
(3)
READY
REF
READY
PARAMETER
V
Quiescent current
Shutdown current
Efficiency
Reference tolerance
Reference temp co
Discharge pulse width
Operating frequency
Sense voltage
Sense input current
Feedback voltage
Feedback input current
Shutdown threshold
Shutdown threshold
Line voltage regulation
Transistor drive current
Transistor voltage drive
Mosfet gate drive cpbty
Ready flag output high
Ready flag output low
Load current regulation
CC
range
(Test conditions V
LIMIT
-0.3 to +10
-0.3 to V
-0.3 to V
-0.3 to The lower of (+5.0) or (V
-0.3 to The lower of (+5.0) or (V
-40 to +85
-55 to +150
450
CONDITIONS
V
1.8V < V
1.8V < V
V
V
V
I
I
T
EOR
EOR
A
CC
FB
FB
DRIVE
2
CC
CC
=25°C
=0V;V
=0V;V
=8V
= -300nA, T
= 1mA, T
CC
+ 0.3
+ 0.3
= 0.7V
= 3V, T= 25°C unless otherwise stated)
CC
CC
SENSE
SENSE
< 8V
< 8V
A
=0V
=0V
=25°C
A
=25°C
CC
CC
+0.3)
+0.3)
MIN.
291
-3.0
-1.2
1.8
1.5
2.5
22
-1
0
2
0
0
ISSUE 1 - JANUARY 2005
300
0.005
TYP.
300
195
4.5
1.7
0.5
3.4
85
28
-7
V
MAX.
0.55
CC
0.01
200
309
220
-4.5
V
V
3.0
-15
34
UNIT
8
5
1
mW
CC
CC
-0.4
°C
°C
V
V
V
V
V
%/mA
UNIT
%/°C
kHz
%/V
mV
mA
mV
pF
%
%
V
V
V
V
V
V
A
A
A
A
s
s