S-8813 Datasheet, PDF (19/29 Pages) Seiko Instruments Inc – 3-CHANNEL WHITE LED DRIVER IC (CHARGE PUMP IC WITH BUILT-IN CONSTANT-CURRENT CIRCUIT)

3-CHANNEL WHITE LED DRIVER IC (CHARGE PUMP IC WITH BUILT-IN CONSTANT-CURRENT CIRCUIT)
Rev.2.1_00
S-8813 Series
 Major Temperature Characteristics Examples
1. Standby Consumption Current (I_SSS) vs. Ambient Temperature
(Ta) Characteristics
1.0
0.8
VIN= 4.5 V
0.6
0.4
0.2
VIN= 3.0 V
0.0
−40 −20 0 20 40 60 80 100
Ta [°C]
3. Power Off Pin Input Voltage "L" (V_SL) vs. Ambient Temperature
(Ta) Characteristics
1.2
2. Power Off Pin Input Voltage "H" (V_SH) vs. Ambient Temperature
(Ta) Characteristics
1.2
VIN= 4.5 V
1.0
0.8
VIN= 3.0 V
0.6
0.4
−40 −20 0 20 40 60 80 100
Ta [°C]
4. RISET Pin Voltage (V_RISET) vs. Ambient Temperature (Ta)
Characteristics
1.2
1.0
0.8
VIN= 4.5 V
0.6
VIN= 3.0 V
0.4
−40 −20 0 20 40 60 80 100
Ta [°C]
5. Operation Consumption Current (I_SS1) vs. Ambient Temperature
(Ta) Characteristics
1200
R1=5.6 kΩ
1100
1000
VIN= 4.5 V
900
800
700
VIN= 3.0 V
600
500
−40 −20 0 20 40 60 80 100
Ta [°C]
7. Maximum Oscillation Frequency (f_OSC) vs. Ambient Temperature
(Ta) Characteristics
700
650
VIN= 4.5 V
600
550
VIN= 3.0 V
500
450
400
−40 −20 0 20 40 60 80 100
Ta [°C]
1.1
VIN= 4.5 V
1.0
VIN= 3.0
0.9
0.8
−40 −20 0
20 40 60 80 100
Ta [°C]
6. Ripple Voltage (V_RIP) vs. Ambient Temperature (Ta)
Characteristics
70
60
50
VIN= 4.5 V
40
30
20
VIN= 3.0 V
10
0
−40 −20 0 20 40 60 80 100
Ta [°C]
8. Soft Start Time (T_SS) vs. Ambient Temperature (Ta)
Characteristics
2.5
R1=5.6 kΩ
VIN= 2.7 V
2.0
1.5
VIN= 3.5 V
1.0
0.5
VIN= 4.5 V
VIN= 3.0 V
0.0
−40 −20 0 20 40 60 80 100
Ta [°C]
Seiko Instruments Inc.
19