Datasheet
TPS62350, TPS62351
TPS62352, TPS62353
TPS62354, TPS62355, TPS62356
SLVS540E – MAY 2006 – REVISED APRIL 2008 ..............................................................................................................................................................
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ELECTRICAL CHARACTERISTICS (continued)
over operating free-air temperature range, typical values are at T
A
= 25 ° C. Unless otherwise noted, specifications apply with
V
I
= 3.6 V, EN = V
I
, VSEL = V
I
, SYNC = GND, VSEL0[6] bit = 1.
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
TPS62350/1/2/3/4/5 900 1100 1300 mA
N-MOS current limit
2.7 V ≤ V
I
≤ 5.5 V
(sourcing)
TPS62356 1200 1400 1700 mA
TPS62350/1/2/3/4/5 -500 -700 -900 mA
N-MOS current limit
2.7 V ≤ V
I
≤ 5.5 V
(sinking)
TPS62356 -500 -700 -900 mA
TPS62350/1/2/3/4/5 675 mA
Input current limit under
V
O
= 0 V
short-circuit conditions
TPS62356 775 mA
Thermal shutdown 150 ° C
Thermal shutdown hysteresis 20 ° C
OSCILLATOR
f
SW
Oscillator frequency CONTROL2[4:3] = 00 2.65 3 3.35 MHz
f
(SYNC)
Synchronization range 2.65 3.35 MHz
Duty cycle of external clock signal 20% 80%
OUTPUT
TPS62350 0.75 1.5375 V
TPS62351 0.90 1.6875 V
TPS62352 0.75 1.4375 V
V
O
Output voltage range TPS62353 0.75 1.5375 V
TPS62354 0.75 1.5375 V
TPS62355 0.75 1.5375 V
TPS62356 1.50 1.975 V
t
on(MIN)
Minimum on-time (P-channel MOSFET) 35 ns
Resistance into FB sense pin 700 1000 k Ω
V
I
= 3.6 V, V
O
= 1.35 V, I
O(DC)
= 0 mA
– 1.5% 1.5%
PWM operation
2.7 V ≤ V
I
≤ 5.5 V, 0 mA ≤ I
O(DC)
≤ 800 mA
V
O
= 0.75 V, 1.05 V, 1.35 V, 1.5375 V – 2% 2%
PWM operation
Output voltage
V
O
TPS62350 2.7 V ≤ V
I
≤ 5.5 V, I
O(DC)
= 0 mA
DC accuracy – 1% 4.5%
V
O
= 1.05 V, L = 1 µ H, Light PFM
2.7 V ≤ V
I
≤ 5.5 V, 0 mA ≤ I
O(DC)
≤ 800 mA
– 2% 3%
V
O
= 1.35 V, L = 1 µ H, Fast PFM/PWM
2.7 V ≤ V
I
≤ 5.5 V, 0 mA ≤ I
O(DC)
≤ 800 mA
– 2% 4.5%
V
O
= 1.05 V, L = 1 µ H, Light or Fast PFM/PWM
V
I
= 3.6 V, V
O
= 1.50 V, I
O(DC)
= 0 mA
– 1.5% 1.5%
PWM operation
2.7 V ≤ V
I
≤ 5.5 V, 0 mA ≤ I
O(DC)
≤ 800 mA
V
O
= 0.90 V, 1.10 V, 1.50 V, 1.6875 V – 2% 2%
PWM operation
Output voltage
V
O
TPS62351 2.7 V ≤ V
I
≤ 5.5 V, I
O(DC)
= 0 mA
DC accuracy – 1% 4.5%
V
O
= 1.10 V, L = 1 µ H, Light PFM
2.7 V ≤ V
I
≤ 5.5 V, 0 mA ≤ I
O(DC)
≤ 800 mA
– 2% 4.5%
V
O
= 1.10 V, L = 1 µ H, Light or Fast PFM/PWM
2.7 V ≤ V
I
≤ 5.5 V, 0 mA ≤ I
O(DC)
≤ 800 mA
– 2% 4.0%
V
O
= 1.50 V, L = 1 µ H, Light or Fast PFM/PWM
V
I
= 3.6 V, V
O
= 1.20 V, I
O(DC)
= 0 mA
– 1.5% 1.5%
PWM operation
2.7 V ≤ V
I
≤ 5.5 V, 0 mA ≤ I
O(DC)
≤ 800 mA
V
O
= 0.75 V, 1.05 V, 1.20 V, 1.4375 V – 2% 2%
PWM operation
Output voltage
V
O
TPS62352 2.7 V ≤ V
I
≤ 5.5 V, I
O(DC)
= 0 mA
DC accuracy – 1% 4.5%
V
O
= 1.05 V, L = 1 µ H, Light PFM
2.7 V ≤ V
I
≤ 5.5 V, 0 mA ≤ I
O(DC)
≤ 800 mA
– 2% 3%
V
O
= 1.20 V, L = 1 µ H, Fast PFM/PWM
2.7 V ≤ V
I
≤ 5.5 V, 0 mA ≤ I
O(DC)
≤ 800 mA
– 2% 4.5%
V
O
= 1.05 V, L = 1 µ H, Light or Fast PFM/PWM
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