Datasheet

50
55
60
65
70
75
80
85
90
95
100
Efficiency-%
0 0.25 0.5 0.75 1 1.25 1.5 1.75 2
I -LoadCurrent- A
L
L =1.2 H(NRG4026T1R2),
C =10 F(0603size),
V =1.8V,
Mode: AutoPFM/PWM
m
m
OUT
OUT
V =4.2V
IN
V =5V
IN
V =3.6V
IN
V =3.3V
IN
V =3V
IN
0 0.25 0.5 0.75 1 1.25 1.5 1.75 2
I -LoadCurrent- A
L
50
55
60
65
70
75
80
85
90
95
100
Efficiency-%
V =4.2V
IN
V =5V
IN
V =3.6V
IN
V =3.3V
IN
V =3V
IN
L =1.2 H(NRG4026T1R2),
C =10 F(0603size),
V =1.2V,
Mode: AutoPFM/PWM
m
m
OUT
OUT
TPS62065, TPS62067
SLVS833B –MARCH 2010–REVISED NOVEMBER 2013 www.ti.com
TYPICAL CHARACTERISTICS
TABLE OF GRAPHS FIGURE
Load Current, V
OUT
= 1.2 V, Auto PF//PWM Mode, Linear Scale Figure 1
Load Current, V
OUT
= 1.8 V, Auto PFM/PWM Mode, Linear Scale Figure 2
η Efficiency
Load Current, V
OUT
= 3.3 V, PFM/PWM Mode, Linear Scale Figure 3
Load Current, V
OUT
= 1.8 V, Auto PFM/PWM Mode vs. Forced PWM
Figure 4
Mode, Logarithmic Scale
Load Current, V
OUT
= 1.8 V, Auto PFM/PWM Mode Figure 5
Output Voltage Accuracy
Load Current, V
OUT
= 1.8 V, Forced PWM Mode Figure 6
Shutdown Current Input Voltage and Ambient Temperature Figure 7
Quiescent Current Input Voltage Figure 8
Oscillator Frequency Input Voltage Figure 9
Input Voltage, Low-Side Switch Figure 10
Static Drain-Source On-State
Resistance
Input Voltage, High-Side Switch Figure 11
R
DISCHARGE
Input Voltage vs. V
OUT
Figure 12
PWM Mode, V
IN
= 3.6 V, V
OUT
= 1.8 V, 500 mA, L = 1.2 μH, C
OUT
= 10μF Figure 13
Typical Operation
PFM Mode, V
IN
= 3.6 V, V
OUT
= 1.8 V, 20 mA, L = 1.2 μH, C
OUT
= 10μF Figure 14
PWM Mode, V
IN
= 3.6 V, V
OUT
= 1.2 V, 0.2 mA to 1 A Figure 15
Load Transient PFM Mode, V
IN
= 3.6 V, V
OUT
= 1.2 V, 20 mA to 250 mA Figure 16
V
IN
= 3.6 V, V
OUT
= 1.8 V, 200 mA to 1500 mA Figure 17
PWM Mode, V
IN
= 3.6 V to 4.2 V, V
OUT
= 1.8 V, 500 mA Figure 18
Line Transient
PFM Mode, V
IN
= 3.6 V to 4.2 V, V
OUT
= 1.8 V, 500 mA Figure 19
Startup into Load V
IN
= 3.6 V, V
OUT
= 1.8 V, Load = 2.2-Ω Figure 20
Startup TPS62067 Into 2.2-Ω Load with Power Good Figure 21
Output Discharge V
IN
= 3.6 V, V
OUT
= 1.8 V, No Load Figure 22
Shutdown TPS62067 V
IN
= 4.2 V, V
OUT
= 3.3 V, No Load, PG Pullup Resistor 10 kΩ Figure 23
EFFICIENCY EFFICIENCY
vs vs
LOAD CURRENT LOAD CURRENT
Figure 1. V
OUT
= 1.2V, Auto PFM/PWM Mode, Figure 2. V
OUT
= 1.8V, Auto PFM/PWM Mode,
Linear Scale Linear Scale
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