LM3668_15 Datasheet, PDF (22/30 Pages) Texas Instruments – 1-A, High-Efficiency Dual-Mode Single-Inductor Buck-Boost DC-DC Converter

LM3668
SNVS449O – JUNE 2007 – REVISED APRIL 2015
Table 3. Suggested Capacitors and Suppliers (continued)
MODEL
TYPE
VENDOR
VOLTAGE RATING (V)
LMK212 BJ106KG (±10%)
Ceramic, X5R
Taiyon-Yuden
10
22 µF FOR C_OUT (FOR 4.5/5 V OPTION, USE 10 V OR HIGHER RATING CAPACITOR)
JMK212BJ226MG
Ceramic, X5R
Taiyo-Yuden
6.3
LMK212BJ226MG
Ceramic, X5R
Taiyo-Yuden
10
9.2.3 Application Curves
www.ti.com
CASE SIZE
INCH (mm)
0805(2012)
0805 (2012)
0805 (2012)
Figure 47. Start-Up in PWM Mode (V_OUT = 3.4 V, Load = 1
mA)
Figure 48. Start-up in PWM Mode (V_OUT = 3.4 V, Load = 500
mA)
100
90
80
70
60
V_IN = 3.3V
50
40 ^{VIN = 3.6V}
30 VIN = 5.5V
20
10
0
0
1
10
V_IN = 2.5V
V_IN = 2.7V
100
1000
LOAD (mA)
Figure 49. Efficiency at 3.3 V Output
22
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