SI9165_07 Datasheet, PDF (4/10 Pages) Vishay Siliconix – High Frequency 600-mA Synchronous Buck/Boost Converter

Si9165
Vishay Siliconix
TYPICAL CHARACTERISTICS 25 °C, unless otherwise noted
1.310
1.32
1.305
1.31
1.300
1.30
1.295
1.29
1.290
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
V_DD - (V)
V_REF vs. V_DD
2.00
1.95
1.90
R_OSC = 25 kΩ
1.85
1.80
1.75
1.70
- 100
- 50
0
50
100
150
Temperature (°C)
Frequency vs. Temperature
100
95
PSM - 3 V
90
PSM - 3.6 V
85
PSM - 4.2 V
80
75
70
PWM - 3 V
PWM - 3.6 V
PWM - 4.2 V
65
60
1
10
100
Load Current (mA)
Buck Mode Efficiency, V_O = 2.7 V
1000
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4
1.28
- 50
10000
0
50
100
150
Temperature (°C)
V_REF vs. Temperature
1000
100
10
100
R_OSC (kΩ)
Frequency vs. R_OSC
1000
95
PWM - 2.7 V
90
PWM - 3.3 V
85
PSM - 3.3 V
80
PSM - 2.7 V
75
70
65
60
1
10
100
Load Current (mA)
Boost Mode Efficiency, V_O = 3.6 V
1000
Document Number: 70845
S-72058-Rev. D, 08-Oct-07