TPS62616 Datasheet, PDF (10/27 Pages) Texas Instruments – 350-mA, 6-MHz HIGH-EFFICIENCY STEP-DOWN CONVERTER IN LOW PROFILE CHIP SCALE PACKAGING (HEIGHT < 0.4mm)

TPS62619, TPS62612
TPS62615, TPS62616
SLVS936A – NOVEMBER 2009 – REVISED MARCH 2010
TYPICAL CHARACTERISTICS (continued)
LOAD TRANSIENT RESPONSE
IN PFM/PWM OPERATION
AC LOAD TRANSIENT RESPONSE
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V_I = 3.6 V,
V_O = 1.8 V
50 to 350 mA Load Step
5 to 300 mA Load Sweep
V_I = 4.8 V,
V_O = 1.8 V
MODE = Low
t - Time - 5 µs/div
Figure 17.
DC OUTPUT VOLTAGE
vs
LOAD CURRENT
1.836
V_O = 1.8 V
V_I = 4.8 V
1.818 ^{PFM/PWM Operation}
V_I = 3.6 V
1.8
V_I = 3.6 V, PWM Operation
1.782
V_I = 2.5 V
MODE = Low
t - Time - 10 µs/div
Figure 18.
DC OUTPUT VOLTAGE
vs
LOAD CURRENT
1.224
V_O = 1.2 V
PFM/PWM Operation
1.212
V_I = 3.6 V
V_I = 4.8 V
V_I = 2.5 V
1.2
1.188
V_I = 3.6 V, PWM Operation
1.764
0.1
1
10
100
I_O - Load Current - mA
Figure 19.
1000
1.176
0.1
1
10
100
I_O - Load Current - mA
Figure 20.
1000
10
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