English
Language : 

TPS65011 Datasheet, PDF (15/52 Pages) Texas Instruments – POWER AND BATTERY MANAGEMENT IC FOR Li-ION POWERED SYSTEMS
◁
www.ti.com
TYPICAL CHARACTERISTICS (continued)
LINE TRANSIENT RESPONSE
(LDO1)
VI = 3.3 to 3.8 V, VO = 2.8 V,
IL = 100 mA, TA = 25°C
CH1 = VI
LINE TRANSIENT RESPONSE
(LDO2)
VI = 3.3 to 3.8 V, VO = 1.8 V,
RL = 100 mA to 1000 mA,
TA = 25°C
CH1 = VI
TPS65011
SLVS501 – FEBRUARY 2004
LINE TRANSIENT RESPONSE
(CORE)
VI = 3.8 V, VO = 1.6 V,
IL = 40 mA to 400 mA,
TA = 25°C
CH4 = IO
CH2 = VO
500 µs/div
Figure 13.
LINE TRANSIENT RESPONSE
(MAIN)
CH4 = IO
VI = 3.8 V, VO = 3.3 V,
IL = 100 mA to 1000 mA,
TA = 25°C
CH2 = VO
CH2 = VO
500 µs/div
Figure 14.
LINE TRANSIENT RESPONSE
(LDO1)
CH4 = IO
VI = 3.8 V, VI LDO = 3.3 V,
VO = 2.8 V, IL = 2 mA to 180 mA,
TA = 25°C
CH2 =VO
CH2 = VO
100 µs/div
Figure 15.
LINE TRANSIENT RESPONSE
(LDO2)
VI = 3.8 V, VI LDO = 3.3 V,
VO = 1.8 V, IL = 2 mA to 180 mA,
TA = 25°C
CH4 = IO
CH2 = VO
100 µs/div
Figure 16.
OUTPUT RIPPLE (PFM)
CH3 = Iinductor Main CH1 = VO Main
CH2 = VO Core
CH4 = Iinductor Core
5 µs/div
VI = 3.8 V, TA = 25°C
VO Main = 3.3 V IL Main = 100 mA,
VO Core = 1.6 V, IL Core = 40 mA
Figure 19.
100 µs/div
Figure 17.
OUTPUT RIPPLE (PWM)
CH1 = VO Main
CH3 = Iinductor Main
CH2 = VO Core
CH4 = Iinductor Core
500 ns/div
VI = 3.8 V, TA = 25°C
VO Main = 3.3 V RL Main = 500 mA,
VO Core = 1.6 V, RL Core = 400 mA
Figure 20.
100 µs/div
Figure 18.
START-UP TIMING
CH1 = VO Main
CH3 = Icoil Main
CH2 = VO Core
CH4 = Icoil Core
500 µs/div
VI = 3.8 V, VO Main = 3.3 V,
RL Main = 1 A, VO Core = 1.6 V,
RL Core = 400 mA, TA = 25°C
Figure 21.
15
 ▷