www.ti.com .............................................................................................................................................................. SLVS540E – MAY 2006 – REVISED APRIL 2008
ELECTRICAL CHARACTERISTICS (continued)
over operating free-air temperature range, typical values are at TA = 25°C. Unless otherwise noted, specifications apply with
VI = 3.6 V, EN = VI, VSEL = VI, SYNC = GND, VSEL0[6] bit = 1.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VI = 3.6 V, VO = 1.20 V, IO(DC) = 0 mA
–1.5%
1.5%
PWM operation
2.7 V
≤ VI ≤ 5.5 V, 0 mA ≤ IO(DC) ≤ 800 mA
VO = 0.75 V, 1.00 V, 1.20 V, 1.5375 V
–2%
2%
PWM operation
Output voltage
VO
TPS62353
2.7 V
≤ VI ≤ 5.5 V, IO(DC) = 0 mA,
DC accuracy
–1%
4.5%
VO = 1.00 V, L = 1 H, Light PFM
2.7 V
≤ VI ≤ 5.5 V, 0 mA ≤ IO(DC) ≤ 800 mA
–2%
3%
VO = 1.20 V, L = 1 H, Fast PFM/PWM
2.7 V
≤ VI ≤ 5.5 V, 0 mA ≤ IO(DC) ≤ 800 mA
–2%
4.5%
VO = 1.00 V, L = 1 H, Light or Fast PFM/PWM
VI = 3.6 V, VO = 1.30 V, IO(DC) = 0 mA,
–1.5%
1.5%
PWM operation
2.7 V
≤ VI ≤ 5.5 V, 0 mA ≤ IO(DC) ≤ 800 mA
VO = 0.75 V, 1.05 V, 1.30 V, 1.5375 V
–2%
2%
PWM operation
Output voltage
VO
TPS62354
2.7 V
≤ VI ≤ 5.5 V, IO(DC) = 0 mA,
DC accuracy
–1%
4.5%
VO = 1.05 V, L = 1 H, Light PFM
2.7 V
≤ VI ≤ 5.5 V, 0 mA ≤ IO(DC) ≤ 800 mA
–2%
3%
VO = 1.30 V, L = 1 H, Fast PFM/PWM
2.7 V
≤ VI ≤ 5.5 V, 0 mA ≤ IO(DC) ≤ 800 mA
–2%
4.5%
VO = 1.05 V, L = 1 H, Light or Fast PFM/PWM
VI = 3.6 V, VO = 1.15 V, IO(DC) = 0 mA,
–1.5%
1.5%
PWM operation
2.7 V
≤ VI ≤ 5.5 V, 0 mA ≤ IO(DC) ≤ 800 mA
VO = 0.75 V, 0.9 V, 1.15 V, 1.5375 V
–2%
2%
PWM operation
Output voltage
VO
TPS62355
2.7 V
≤ VI ≤ 5.5 V, IO(DC) = 0 mA
DC accuracy
–1%
4.5%
VO = 0.9 V, L = 1 H, Light PFM
2.7 V
≤ VI ≤ 5.5 V, 0 mA ≤ IO(DC) ≤ 800 mA
–2%
3%
VO = 1.15 V, L = 1 H, Fast PFM/PWM
2.7 V
≤ VI ≤ 5.5 V, 0 mA ≤ IO(DC) ≤ 800 mA
–2%
4.5%
VO = 0.9 V, L = 1 H, Light or Fast PFM/PWM
2.7 V
≤ VI ≤ 3.2 V, 0 mA ≤ IO(DC) ≤ 800 mA
3.2 V
≤ VI ≤ 5.5 V, 0 mA ≤ IO(DC) ≤ 1000 mA
(1)
–2%
2%
VO = 1.80 V
PWM operation
2.7 V
≤ VI ≤ 5.5 V, IO(DC) = 0 mA
–1%
4.5%
VO = 1.80 V, L = 1 H, Light PFM
Output voltage
VO
TPS62356
DC accuracy
2.7 V
≤ VI ≤ 3.2 V, 0 mA ≤ IO(DC) ≤ 800 mA
3.2 V
≤ VI ≤ 5.5 V, 0 mA ≤ IO(DC) ≤ 1000 mA
(1)
–2%
3%
VO = 1.80 V, L = 1 H, Fast PFM/PWM
2.7 V
≤ VI ≤ 3.2 V, 0 mA ≤ IO(DC) ≤ 800 mA
3.2 V
≤ VI ≤ 5.5 V, 0 mA ≤ IO(DC) ≤ 1000 mA
(1)
–2%
4.5%
VO = 1.80 V, L = 1 H, Light or Fast PFM/PWM
DC output voltage load regulation
IO(DC) = 0 mA to 800 mA, PWM operation
–0.0003
%/mA
ΔVO
VI = VO + 0.5 V (min 2.7 V) to 5.5 V,
DC output voltage line regulation
0
%/V
IO(DC) = 300 mA
VO = 0.9 V, IO(DC) = 0 mA, L = 1 H,
33
mVPP
Light PFM operation
VO = 1.05 V, IO(DC) = 1 mA , L = 1 H,
30
mVPP
Light PFM operation
Power-save mode ripple voltage
VO = 1.10 V, IO(DC) = 1 mA,
12
mVPP
L = 1
H, Light PFM operation, VSEL0[6] bit = 0
VO = 1.35 V, IO(DC) = 1 mA,
0.025 VO
VPP
L = 1
H, Fast PFM operation
(1)
In applications where high power dissipation and/or poor package thermal resistance is present, the maximum ambient temperature may
have to be derated. Maximum ambient temperature (TA(max)) is dependent on the maximum operating junction temperature (TJ(max)), the
maximum power dissipation of the device in the application (PD(max)), and the junction-to-ambient thermal resistance of the part/package
in the application (
θ
JA), as given by the following equation: TA(max)= TJ(max)–(θJA X PD(max)).
Copyright 2006–2008, Texas Instruments Incorporated
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