Datasheet

TPS62560, TPS62561
TPS62562
SLVS815C –JANUARY 2008–REVISED DECEMBER 2009 www.ti.com
TYPICAL CHARACTERISTICS
Table 1. Table of Graphs
FIGURE
vs Output Current, V
OUT
= 1.8 V, Power Save Mode, MODE = GND Figure 2
vs Output Current, V
OUT
= 1.8 V, PWM Mode, MODE = V
IN
Figure 3
vs Output Current, V
OUT
= 3.3 V, PWM Mode, MODE = V
IN
Figure 4
η Efficiency
vs Output Current, V
OUT
= 3.3 V, Power Save Mode, MODE = GND Figure 5
vs Output Current, MODE = V
IN
Figure 6
vs Output Current, MODE = GND Figure 7
Typical Operation PWM Mode, V
OUT
= 1.8 V Figure 8
MODE Terminal Transition From PFM to Forced PWM Mode at Light
Figure 9
Load
Mode Transition
MODE Terminal Transition From Forced PWM to PFM Mode at Light
Figure 10
Load
Start-up Timing Figure 11
Forced PWM Mode, V
OUT
= 1.5 V, 50 mA to 200 mA Figure 12
Forced PWM Mode, V
OUT
= 1.5 V, 200 mA to 400 mA Figure 13
Forced PFM Mode to PWM Mode, V
OUT
= 1.5 V, 150 μA to 400 mA Figure 14
Forced PWM Mode to PFM Mode, V
OUT
= 1.5 V, 400 mA to 150 μA Figure 15
Load Transient PFM Mode, V
OUT
= 1.5 V, 1.5 mA to 50 mA Figure 16
PFM Mode, V
OUT
= 1.5 V, 50 mA to 1.5 mA Figure 17
PFM Mode to PWM Mode, V
OUT
= 1.8 V, 50 mA to 250 mA Figure 18
PFM Mode to PWM Mode, V
OUT
= 1.5 V, 50 mA to 400 mA Figure 19
PWM Mode to PFM Mode, V
OUT
= 1.5 V, 400 mA to 50 mA Figure 20
PFM Mode, V
OUT
= 1.8 V, 50 mA Figure 21
Line Transient
PFM Mode, V
OUT
= 1.8 V, 250 mA Figure 22
PFM Mode, V
OUT
Ripple, V
OUT
= 1.8 V, 10 mA, L = 2.2 μH, C
OUT
= 10 μF Figure 23
Typical Operation
PFM Mode, V
OUT
Ripple, V
OUT
= 1.8 V, 10 mA, L = 4.7 μH, C
OUT
= 10 μF Figure 24
Quiescent Current vs Input Voltage, (T
A
= 85°C, T
A
= 25°C, T
A
= –40°C) Figure 25
vs Input Voltage, (T
A
= 85°C, T
A
= 25°C, T
A
= –40°C), High-Side
Figure 26
Switching
Static Drain-Source On-State
Resistance
vs Input Voltage, (T
A
= 85°C, T
A
= 25°C, T
A
= –40°C), Low-Side
Figure 27
Switching
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