Datasheet
50
55
60
65
70
75
80
85
90
95
100
100m 1 10 100 1k 10k
I load (mA)
Efficiency (%)
V
IN
= 3.7 V
V
IN
= 4.2 V
V
IN
= 5 V
V
OUT
= 3.3 V
L = 1 µH
f = 1.4 MHz
G002
50
55
60
65
70
75
80
85
90
95
100
100m 1 10 100 1k 10k
I load (mA)
Efficiency (%)
V
IN
= 3.7 V
V
IN
= 4.2 V
V
IN
= 5 V
V
OUT
= 3.3 V
L = 1 µH
f = 2.8 MHz
G001
TPS62090, TPS62091
TPS62092, TPS62093
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SLVSAW2A –MARCH 2012–REVISED MARCH 2012
TYPICAL CHARACTERISTICS
FIGURE
Efficiency vs load current (V
O
= 3.3 V, f = 1.4 MHz, f = 2.8 MHz) Figure 2, Figure 3
Efficiency vs load current (V
O
= 1.8 V, f = 1.4 MHz, f = 2.8 MHz) Figure 4, Figure 5
Efficiency vs load current (V
O
= 1.05 V, f = 1.4 MHz, f = 2.8 MHz) Figure 6, Figure 7
Output voltage vs load current (V
O
= 1.8 V, f = 1.4 MHz, f = 2.8 MHz) Figure 8, Figure 9
High Side FET on-resistance vs input voltage Figure 10
Switching frequency vs load current (V
O
= 1. 8 V, f = 1.4 MHz) Figure 11
Switching frequency vs input voltage (V
O
= 1.8 V, f = 1.4 MHz) Figure 12
Switching frequency vs load current (V
O
= 1. 8 V, f = 2.8 MHz) Figure 13
Switching frequency vs input voltage (V
O
= 1.8 V, f = 2.8 MHz) Figure 14
Quiescent current vs input voltage ( V
O
= 1.8 V, f = 1.4 MHz) Figure 15
PWM operation V
O
= 1.8 V, f = 1.4 MHz Figure 16
PFM operation V
O
= 1.8 V, f = 1.4 MHz Figure 17
PFM operation V
O
= 1.8 V, f = 2.8 MHz Figure 18
Load sweep V
O
= 1.8 V, f = 1.4 MHz Figure 19
Load sweep V
O
= 1.8 V, f = 2.8 MHz Figure 20
Start-up V
O
= 1.8 V, f = 2.8 MHz, C
SS
= 10 nF Figure 21
Shutdown V
O
= 1.8 V, f = 2.8 MHz Figure 22
Hiccup short circuit protection V
O
= 1.8 V, f = 1.4 MHz Figure 23
Hiccup Short circuit protection V
O
= 1.8 V, f = 1.4 MHz, recovery after short circuit Figure 24
Load transient response V
O
= 1.8 V, f = 1.4 MHz, 300 mA to 2.5 A Figure 25
Load transient response V
O
= 1.8 V, f = 1.4 MHz, 300 mA to 2.5 A Figure 26
Load transient response V
O
= 1.8 V, f = 1.4 MHz, 20 mA to 1 A Figure 27
Figure 2. Efficiency vs Load Current Figure 3. Efficiency vs Load Current
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