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
= 2.7 V
V
IN
= 3.7 V
V
IN
= 4.2 V
V
IN
= 5 V
V
OUT
= 1.8 V
L = 1 µH
f = 1.4 MHz
G003
50
55
60
65
70
75
80
85
90
95
100
100m 1 10 100 1k 10k
I load (mA)
Efficiency (%)
V
IN
= 2.7 V
V
IN
= 3.7 V
V
IN
= 4.2 V
V
IN
= 5 V
V
OUT
= 1.05 V
L = 1.0 µH
f = 1.4 MHz
G005
1.79
1.795
1.8
1.805
1.81
1.815
1.82
1.825
1.83
100m 1 10 100 1k 10k
I load (mA)
Output Voltage (V)
V
IN
= 5.0 V
V
IN
= 4.2 V
V
IN
= 3.7 V
V
OUT
= 1.8 V
L = 1 µH
f = 1.4 MHz
G007
TLV62090
www.ti.com SLVSBB9B –MARCH 2012–REVISED APRIL 2012
TYPICAL CHARACTERISTICS
FIGURE
Efficiency vs load current (V
O
= 3.3 V) Figure 2
Efficiency vs load current (V
O
= 1.8 V) Figure 3
Efficiency vs load current (V
O
= 1.05 V) Figure 4
Output voltage vs load current (V
O
= 1.8 V) Figure 5
High Side FET on-resistance vs input voltage Figure 6
Switching frequency vs load current (V
O
= 1. 8 V) Figure 7
Switching frequency vs input voltage (V
O
= 1.8 V) Figure 8
Quiescent current vs input voltage ( V
O
= 1.8 V) Figure 9
PWM operation V
O
= 1.8 V Figure 10
PFM operation V
O
= 1.8 V Figure 11
Load sweep V
O
= 1.8 V Figure 12
Start-up V
O
= 1.8 V, C
SS
= 10 nF Figure 13
Shutdown V
O
= 1.8 V Figure 14
Hiccup short circuit protection V
O
= 1.8 V Figure 15
Hiccup Short circuit protection V
O
= 1.8 V, recovery after short circuit Figure 16
Load transient response V
O
= 1.8 V, 300 mA to 2.5 A Figure 17
Load transient response V
O
= 1.8 V, 300 mA to 2.5 A Figure 18
Load transient response V
O
= 1.8 V, 20 mA to 1 A Figure 19
Figure 2. Efficiency vs Load Current Figure 3. Efficiency vs Load Current
Figure 4. Efficiency vs Load Current Figure 5. Output Voltage vs Load Current
Copyright © 2012, Texas Instruments Incorporated Submit Documentation Feedback 7
Product Folder Link(s): TLV62090