Datasheet

L
C
1
L
1
VIN
VOUT
FB
C
2
EN
GND
TPS61260
V
OUT
V
IN
R
1
R
2
RI
R
3
V = 1.2 V, V
IN OUT
= 3.3 V
Time 400 s/divm
Output Voltage
2 V/div, DC
Inductor Current
200 mA/div, DC
Enable Voltage
1 V/div, DC
Output Current
10 mA/div, DC
V = 2.5 V, V
IN OUT
= 3.3 V
Time 400 s/divm
Output Voltage
2 V/div, DC
Inductor Current
200 mA/div, DC
Enable Voltage
1 V/div, DC
Output Current
10 mA/div, DC
V = 1.2 V, V I = 5 mA to 45 mA
IN OUTOUT
= 3.3 V,
Time 2 ms/div
Output Voltage
100 mV/div, AC
Inductor Current
200 mA/div, DC
Output Current
20 mA/div, DC
V = 1.0 V to 1.5 V, V I = 50 mA
IN OUTOUT
= 3.3 V,
Time 2 ms/div
Output Voltage
100 mV/div, AC
Inductor Current
100 mA/div, DC
Input Voltage
1 V/div, DC
TPS61260, TPS61261
www.ti.com SLVSA99A –MAY 2011–REVISED FEBRUARY 2013
LOAD TRANSIENT RESPONSE LINE TRANSIENT RESPONSE
Figure 15. Figure 16.
STARTUP AFTER ENABLE STARTUP AFTER ENABLE
Figure 17. Figure 18.
PARAMETER MEASUREMENT INFORMATION
Table 1. List of Components
REFERENCE DESCRIPTION MANUFACTURER
TPS61260 / 1 Texas Instruments
L1 4.7 μH, 2.5 mm x 2 mm LQM2HPN4R7MG0, Murata
C1 10 μF 6.3V, 0603, X5R ceramic GRM188R60J106KME84D, Murata
C2 10 μF 6.3V, 0603, X5R ceramic GRM188R60J106KME84D, Murata
R1 Depending on the output voltage at TPS61260. 0 Ω at TPS61261
R2 Depending on the output voltage at TPS61260. Not used at TPS61261
R3 Depending on the output current
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