S-8813 Datasheet, PDF (21/29 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 Power Supply Dependence Characteristics Examples
1. Standby Consumption Current (I_SSS) vs. Operation Input Voltage
(V_IN) Characteristics
1.0
2. Power-Off Pin Input Voltage "H" (V_SH) vs. Operation Input Voltage
(V_IN) Characteristics
1.2
0.8
Ta=−40°C
0.6
Ta=25°C
Ta=85°C
0.4
0.2
1.0
0.8
Ta=−40°C
Ta=25°C
0.6
Ta=85°C
0.0
2.0 2.5 3.0 3.5 4.0 4.5 5.0
VIN [V]
3. Power-Off Pin Input Voltage "L" (V_SL) vs. Operation Input
Voltage (V_IN) Characteristics
1.2
1.0
Ta=−40°C
0.8 ^Ta=25°C
Ta=85°C
0.6
0.4
2.0 2.5 3.0 3.5 4.0 4.5 5.0
VIN [V]
5. Efficiency^*1 (η) vs. Operation Input Voltage (V_IN) Characteristics
Ta=25°C
100
80
60
From the top
40 ^IOUT^{=10 mA / ch}
IOUT=18 mA / ch
20 _{IOUT=20 mA / ch}
0
2.0 2.5 3.0 3.5 4.0 4.5 5.0
VIN [V]
7. Operation Consumption Current (I_SS1) vs. Operation Input Voltage (V_IN) Characteristics
1200
RISET=5.6 kΩ
1100
1000
900
800
700
Ta=−40°C
Ta=25°C
Ta=85°C
600
500
2.0 2.5 3.0 3.5 4.0 4.5 5.0
VIN [V]
0.4
2.0 2.5 3.0 3.5 4.0 4.5 5.0
VIN [V]
4. RISET Pin Voltage (V_RISET) vs. Operation Input Voltage (V_IN) Characteristics
1.2
Ta=−40°C
1.1 Ta=25°C
Ta=85°C
1.0
0.9
0.8
2.0 2.5 3.0 3.5 4.0 4.5 5.0
VIN [V]
6. CPOUT Pin Voltage (V_CPOUT) vs. Operation Input Voltage (V_IN) Characteristics
IOUT=18 mA/ch, Ta=25°C
6.0
5.5
5.0
4.5
Ta=−40°C
4.0
Ta=25°C
Ta=85°C
3.5
3.0
2.0 2.5 3.0 3.5 4.0 4.5 5.0
VIN [V]
8. Ripple Voltage (V_RIP) vs. Operation Input Voltage (V_IN) Characteristics
70
60
50
40 _{Ta=−40°C}
30 Ta=25°C
20 ^Ta=85°C
10
0
2.0 2.5 3.0 3.5 4.0 4.5 5.0
VIN [V]
Seiko Instruments Inc.
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