ZXSC400
ABSOLUTE MAXIMUM RATINGS
VCC
-0.3V to +10V
DRIVE
-0.3V to
VCC + 0.3V
EOR
-0.3V to
VCC + 0.3V
STDN
SENSE
Operating Tem p.
Storage Tem p.
Power Dissipation
-0.3V to The lower of (+5.0V) or (VCC + 0.3V)
-0.3V to The lower of (+5.0V) or (VCC + 0.3V)
-40°C to +85°C
-55°C to +125°C
450m W
ELECTRICAL CHARACTERISTICS
Test Conditions V = 3V, T= -40°C to 85°C unless otherwise stated.
CC
Pa ra m e t e r
S ym b o l
Co n d it io n s
Lim it s
Typ
Un it s
Min
Ma x
S u p p ly p a ra m e t e rs
V
V
Ra n g e
1.8
8
V
IN
1
CC
Iq
Qu ie s ce n t Cu rre n t
S h u td o w n Cu rre n t
Efficie n cy
V
= 8V
220
A
A
%
CC
I
4.5
80
S TDN
1
Eff
30m A > I
> 10m A
LED
Acc
Re fe re n ce to le ra n ce
Re fe re n ce Te m p Co
Dis ch a rg e p u ls e w id th
Op e ra tin g Fre q u e n cy
1.8V < V < 8V
-3.0
3.0
%
REF
CC
TCO
0.005
1.7
%/ЊC
s
REF
DRIVE
OS C
T
F
1.8V < V < 8V
CC
200
kHz
In p u t p a ra m e t e rs
V
S e n s e vo lta g e
22
-1
28
-7
34
-15
m V
A
m V
A
V
S ENS E
S ENS E
I
S e n s e in p u t cu rre n t
Fe e d b a ck vo lta g e
V
V
= 0V, V
= 0V, V
= 0V
= 0V
FB
S ENS E
V
291
-1.2
1.5
0
300
309
-4.5
VCC
FB
2
I
Fe e d b a ck in p u t cu rre n t
S h u td o w n h ig h vo lta g e
S h u td o w n lo w vo lta g e
Lin e vo lta g e re g u la tio n
FB
FB
S ENS E
V
V
IH
0.55
V
IL
d V
0.5
%/V
LN
Ou t p u t p a ra m e t e rs
3
I
I
Ou tp u t cu rre n t
Vin > 2V, Vo u t = 10.5V
Vd rive = 0.7V
50
2
m A
m A
V
OUT
Tra n s is to r d rive cu rre n t
Tra n s is to r vo lta g e d rive
Mo s fe t g a te d rive cp b ty
Lo a d cu rre n t re g u la tio n
3.5
5
DRIVE
V
C
1.8V < V < 8V
0
VCC-0.4
DRIVE
CC
300
p F
DRIVE
4
d ILD
0.1
m A/V
Note
1 Excluding gate/base drive current.
2
IFB is typically half these values at 300m V.
3
System not device spec, including recom m ended transistors. 10.5V represents 3 white LEDs.
Change in LED current with changing supply voltage (LED VF x num ber of series LEDs).
4
ISSUE 1 - J ANUARY 2003
2
DIODES [ DIODES INCORPORATED ]
