Datasheet

www.ti.com
TYPICAL CHARACTERISTICS
TPS61120
TPS61122, TPS61121
SLVS427C – JUNE 2002 – REVISED APRIL 2004
Table of Graphs
BOOST CONVERTER FIGURE
Maximum output current vs Input voltage 1, 2
vs Output current (TPS61120) (V
O
= 2.5 V, V
I
= 1.8 V) 3
vs Output current (TPS61121) (V
O
= 3.3 V, V
I
= 1.8 V, 2.4 V) 4
Efficiency
vs Output current (TPS61120) (V
O
= 5.0 V, V
I
= 2.4 V, 3.3 V) 5
vs Input voltage (TPS61121) 6
Output voltage vs Output current (TPS61121) 7
No-load supply current into VBAT vs Input voltage (TPS61121) 8
No-load supply current into VOUT vs Input voltage (TPS61121) 9
Output voltage in continuous mode (TPS61121) 10
Output voltage in power save mode (TPS61121) 11
Waveforms Load transient response (TPS61121) 12
Line transient response (TPS61121) 13
Start-up after enable (TPS61121) 14
LDO
vs Input voltage (V
O
= 2.5 V, 3.3 V) 15
Maximum output current
vs Input voltage (V
O
= 1.5 V, 1.8 V) 16
Output voltage vs Output current (TPS61122) 17
Dropout voltage vs Output current (TPS61121, TPS61122) 18
Supply current into LDOIN vs LDOIN input voltage (TPS61121) 19
PSRR vs Frequency (TPS61121) 20
Load transient response (TPS61121) 21
Waveforms Line transient response (TPS61121) 22
Start-up after enable (TPS61121) 23
7