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IS31BL3233A-DLS2-TR
P1-P3
P4-P6
P7-P9
P10-P12
P13-P14
IS31BL3233A
Integrated Silicon Solution, Inc. – www
.issi.com
7
Rev
. A,
04/23/2015
TYPICAL PERFORM
ANCE CHARACT
ERISTICS
Output Current
(mA)
Supply Voltage
(V)
80
85
90
95
100
105
110
2
.7
3
.1
3
.5
3
.9
4
.3
4
.7
5
.1
5
.5
I
D1
= I
D2
= 100mA/CH
T
orch Mode
Channel 1
Channel 2
Figure 3
Supply V
oltage vs. Output Current (T
orch Mode)
Efficiency (%)
Supply Voltage (V)
70
75
80
85
90
95
100
3.
2
3.
4
3.
6
3.
8
4
4.
2
I
D1
+I
D2
= 1.5A
Flash Mode
I
D1
+I
D2
= 0.2A
T
orch Mode
I
D1
+I
D2
= 0.6
A
Flash Mode
I
D1
+I
D2
= 1.0A
Flash Mode
Figure 5
Boost Efficiency vs. Supply
V
oltage
Time (40ms/Div)
V
CC
2V/Div
I
D1
500mA/Div
V
ENF
2V/Div
V
CC
= 3.9V
I
D1
= I
D2
= 750mA/CH
Flash Mode
Figure 7
Flash
Mode
Operation
Output Current (mA)
Supply Voltage (V)
200
300
400
500
600
700
2.
7
3.
1
3.5
3.
9
4.
3
4.
7
5.1
5.
5
I
D1
= I
D2
= 500mA/CH
Flash Mode
Channel 1
Channel 2
Figure 4
Supply V
oltage vs. Output Current (Flash Mode)
T
ime (100µs/Div)
V
D1
1V/Div
I
D1
100mA/Div
V
CC
= 4.0V
I
D1
= I
D2
=100mA/CH
To
r
c
h
M
o
d
e
V
OUT
2V/Div
V
ENM
5V/Div
Figure 6
T
orch
Mode
Turn
On/Off
T
ime (40µs/Div)
I
LX
1A/Div
V
CC
= 3.6V
I
D1
= I
D2
= 750mA/CH
Flash Mode
V
CC
2V/Div
V
ENF
2V/Div
Figure 8
LX
Current
IS31BL3233A
Integrated Silicon Solution, Inc. – www
.issi.com
8
Rev
. A,
04/23/2015
Time (100µs/Div)
V
D1
2V/Div
I
D1
500mA/Div
V
CC
= 3.4V
I
D1
= I
D2
=750mA/CH
Flash Mode W
ith Boost
V
OUT
2V/Div
V
ENF
2V/Div
Figure 9
Flash Soft S
tart with Boost
T
ime (100µs/Div)
V
D1
2V/Div
I
D1
500mA/Div
V
CC
= 3.8V
I
D1
= I
D2
= 750mA/CH
Flash Mode W
ithout Boost
V
OUT
2V/Div
V
ENF
2V/Div
Figure 10
Flash Soft S
tart without Boost
IS31BL3233A
Integrated Silicon Solution, Inc. – www
.issi.com
9
Rev
. A,
04/23/2015
FUNCTIONAL
BLOCK DIAGRAM
P1-P3
P4-P6
P7-P9
P10-P12
P13-P14
IS31BL3233A-DLS2-TR
Mfr. #:
Buy IS31BL3233A-DLS2-TR
Manufacturer:
ISSI
Description:
LED Lighting Drivers 1.5A DC/DC Camera Flash LED Driver
Lifecycle:
New from this manufacturer.
Delivery:
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