Datasheet

TPS659110, TPS659112, TPS659113, TPS659116
SWCS049L –JUNE 2010–REVISED MARCH 2014 www.ti.com
VDD1 SMPS (continued)
over operating free-air temperature range (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
On mode, V
IN
= V
INmin
to V
INmax
DC line regulation @ I
OUT
= 1500 mA 20
VDD1 output voltage = {0.6 to 1.5 V}
On mode, V
IN
= V
INmin
to V
INmax
@ I
OUT
= 2000 mA
30
VDD1 output voltage = {1.2V, 1.35 V, 1.5 V}
V
INmin
= 3 V
mV
On mode, V
IN
= V
INmin
to V
INmax
@ I
OUT
= 1500 mA 30
VDD1 output voltage = 2.2 V
On mode, V
IN
= V
INmin
to V
INmax
@ I
OUT
= 1200 mA 30
VDD1 output voltage = 3.2 V
Transient load regulation V
IN
= 3.8 V, V
OUT
= 1.2 V
I
OUT
= 0 to 500 mA , Max slew = 100 mA/µs 50 mV
I
OUT
= 700 mA to 1.2A , Max slew = 100 mA/µs
t on, off to on I
OUT
= 200 mA 350 µs
From V
OUT
= 0.6 V to 1.5 V and V
OUT
= 1.5 V to
Output voltage transition rate
0.6 V I
OUT
= 500 mA
TSTEP[2:0] = 001 12.5
TSTEP[2:0] = 011 (default) 7.5 mV/µs
TSTEP[2:0] = 111 2.5
Overshoot SMPS turned on 3%
0.025 ×
Power-save mode ripple voltage PFM (pulse skip mode), I
OUT
= 1 mA V
PP
V
OUT
Switching frequency 2.7 3 3.3 MHz
Duty cycle 100%
Minimum on time t
ON(MIN)
35 ns
P-channel MOSFET
Discharge resistor for power-down
30 50 Ω
sequence R
DIS
VFB1 internal resistance 0.5 1 MΩ
Ground current (I
Q
) Off 1
PWM mode, I
OUT
= 0 mA, V
IN
= 3.8 V,
7500
VDD1_PSKIP = 0
µA
Pulse skipping mode, no switching 78
Low-power (pulse skipping) mode, no switching
ST[1:0] = 11 63
PWM mode, DCR
L
< 0.1 Ω, V
OUT
= 1.2 V, V
IN
=
Conversion efficiency
3.6 V:
I
OUT
= 10 mA 35%
I
OUT
= 100 mA 78%
I
OUT
= 400 mA 80%
I
OUT
= 800 mA 74%
I
OUT
= 1500 mA 62%
PFM mode, DCR
L
< 0.1Ω, V
OUT
= 1.2 V, V
IN
=
3.6 V:
I
OUT
= 1 mA 59%
I
OUT
= 10 mA 70%
I
OUT
= 400 mA 80%
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