ZXSC400E6TA Diodes Zetex, ZXSC400E6TA Datasheet - Page 2

• Manufacturer Part Number: ZXSC400E6TA
• Description: IC LED DRVR WHITE BCKLGT SOT23-6
• Manufacturer: Diodes Zetex
• Type: Backlight, White LEDr

Specifications of ZXSC400E6TA

• Topology: PWM, Step-Up (Boost)
• Number Of Outputs: 1
• Internal Driver: Yes
• Type - Primary: Backlight, Flash/Torch
• Type - Secondary: High Brightness LED (HBLED), White LED
• Frequency: 200kHz
• Voltage - Supply: 1.8 V ~ 8 V
• Mounting Type: Surface Mount
• Package / Case: SOT-23-6
• Operating Temperature: -40°C ~ 85°C
• Current - Output / Channel: 50mA
• Internal Switch(s): Yes
• Efficiency: 80%
• Operating Supply Voltage (typ): 2.5/3.3/5V
• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Operating Temperature Classification: Industrial
• Package Type: SOT-23
• Pin Count: 6
• Mounting: Surface Mount
• Power Dissipation: 450mW
• Operating Supply Voltage (min): 1.8V
• Operating Supply Voltage (max): 8V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Output: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Compliant
• Other names: ZXSC400E6TATR

ABSOLUTE MAXIMUM RATINGS
V
DRIVE
EOR
STDN
SENSE
Operating Temp.
Storage Temp.
Power Dissipation
ELECTRICAL CHARACTERISTICS
Test Conditions V
Note
1
2
3
4
ZXSC400
Excluding gate/base drive current.
I
System not device spec, including recommended transistors. 10.5V represents 3 white LEDs.
Change in LED current with changing supply voltage (LED V
CC
FB
Symbol
Supply parameters
V
Iq
I
Eff
Acc
TCO
T
F
Input parameters
V
I
V
I
V
V
dV
Output parameters
I
I
V
C
dILD
STDN
SENSE
FB
OUT
DRIVE
OSC
is typically half these values at 300mV.
DRIVE
IN
SENSE
FB
IH
IL
DRIVE
DRIVE
1
2
LN
1
REF
REF
3
4
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 high voltage
Shutdown low voltage
Line voltage regulation
Output current
Transistor drive current
Transistor voltage drive
Mosfet gate drive cpbty
Load current regulation
CC
Range
CC
-0.3V to
-0.3V to
-0.3V to
-0.3V to
-0.3V to
-40°C to
-55°C to
450mW
= 3V, T= -40 C to 85 C unless otherwise stated.
+10V
V
V
The lower of (+5.0V) or (V
The lower of (+5.0V) or (V
+85°C
+125°C
CC
CC
+ 0.3V
+ 0.3V
Conditions
V
30mA > I
1.8V < V
1.8V < V
V
V
Vin > 2V, Vout = 10.5V
Vdrive = 0.7V
1.8V < V
CC
FB
FB
F
x number of series LEDs).
= 0V, V
= 0V, V
= 8V
CC
CC
CC
LED
2
< 8V
< 8V
SENSE
SENSE
< 8V
> 10mA
CC
CC
= 0V
= 0V
+ 0.3V)
+ 0.3V)
Min
-3.0
-1.2
291
1.8
1.5
22
50
-1
0
2
0
0.005
Limits
Typ
300
300
4.5
1.7
0.5
3.5
80
28
-7
ISSUE 1 - JANUARY 2003
V
Max
0.55
-4.5
C C
220
200
309
-15
3.0
V
0.1
34
8
5
-0.4
C C
Units
V
%
%
%/ C
kHz
mV
mV
V
V
%/V
mA
mA
V
pF
mA/V
A
A
s
A
A