an30888b Panasonic Corporation of North America, an30888b Datasheet - Page 11

• Manufacturer Part Number: an30888b
• Description: High Brightness Led Driver Ic
• Manufacturer: Panasonic Corporation of North America

AN30888B
Note) The characteristics listed below are reference values derived from the design of the IC and are not guaranteed by inspection.
B No.
Reference Voltage Control
Over Voltage Protection (Boost Mode Only)
Output Driver
Regulator Voltage (VREG)
Efficiency
14
15
16
17
18
19
20
Electrical Characteristics (Reference values for design) at V
If a problem does occur related to these characteristics, we will respond in good faith to user concerns.
VFB Reference Voltage 1
VFB Reference Voltage 2
Over Voltage Protection
Threshold
Driver Off Time
Maximum Operating Frequency
VREG Output Voltage
Efficiency
Parameter
Symbol
V
V
V
V
T
F
Eff
VFB1
VFB2
OVP
Max
OFF
REG
VFB_SEL = High
OVP = 0 V
(Buck mode)
VFB_SEL = Low
OVP = 0 V
(Buck mode)
R1 = 470 kΩ, R2 = 30 kΩ
Fix off time at SW pin
4 V ≤ V
No Load Condition,
CVREG = 1 μF
V
1 LED of V
I
VFB_SEL = High
OVP = 0 V (Buck mode)
LED
IN
= 6 V
= 400 mA
SDG00005AEB
IN
Conditions
≤ 15 V
F
= 3.7 V
—
IN
= 6 V
3.45
Min
196
0.5
24
18
—
—
Reference values
3.65
Typ
202
32
21
—
90
1
Max
3.85
208
1.5
40
24
—
2
MHz
Unit
mV
mV
μs
V
V
%
Notes
—
—
—
—
—
—
—
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