Datasheet

TPS61253, TPS61254, TPS61256
TPS61258, TPS61259
SLVSAG8C –SEPTEMBER 2011–REVISED AUGUST 2012 www.ti.com
ELECTRICAL CHARACTERISTICS (continued)
Minimum and maximum values are at V
IN
= 2.3V to 5.5V, V
OUT
= 4.5V (or V
IN
, whichever is higher), EN = 1.8V, T
A
= –40°C to
85°C; Circuit of Parameter Measurement Information section (unless otherwise noted). Typical values are at V
IN
= 3.6V, V
OUT
= 4.5V, EN = 1.8V, T
A
= 25°C (unless otherwise noted).
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
ENABLE, BYPASS
V
IL
Low-level input voltage 0.4 V
V
IH
High-level input voltage TPS6125x 1.0 V
I
lkg
Input leakage current Input connected to GND or V
IN
0.5 µA
OUTPUT
2.3V ≤ V
IN
≤ 4.85V, I
OUT
= 0mA
4.92 5 5.08
PWM operation. Open Loop
3.3V ≤ V
IN
≤ 4.85V, 0mA ≤ I
OUT
≤ 1000mA
4.85 5 5.2
PFM/PWM operation
Regulated DC output voltage TPS61253 V
3.3V ≤ V
IN
≤ 4.85V, 0mA ≤ I
OUT
≤ 1500mA
PFM/PWM operation
4.75 5 5.2
Pulsed load test; Pulse width ≤ 20ms;
Duty cycle ≤ 10%
2.3V ≤ V
IN
≤ 4.35V, I
OUT
= 0mA
4.43 4.5 4.57
PWM operation. Open Loop
Regulated DC output voltage TPS61254 V
2.65V ≤ V
IN
≤ 4.35V, 0mA ≤ I
OUT
≤ 800mA
4.4 4.5 4.65
PFM/PWM operation
2.3V ≤ V
IN
≤ 4.85V, I
OUT
= 0mA
4.92 5 5.08
PWM operation. Open Loop
Regulated DC output voltage TPS61256 V
2.65V ≤ V
IN
≤ 4.85V, 0mA ≤ I
OUT
≤ 700mA
4.9 5 5.2
PFM/PWM operation
V
OUT
2.3V ≤ V
IN
≤ 4.15V, I
OUT
= 0mA
4.23 4.3 4.37
PWM operation. Open loop.
Regulated DC output voltage TPS61257 V
2.65V ≤ V
IN
≤ 4.15V, 0mA ≤ I
OUT
≤ 800mA
4.2 4.3 4.45
PFM/PWM operation
2.3V ≤ V
IN
≤ 4.35V, I
OUT
= 0mA
4.43 4.5 4.57
PWM operation. Open Loop
3.3V ≤ V
IN
≤ 4.35V, 0mA ≤ I
OUT
≤ 1500mA
Regulated DC output voltage TPS61258 V
PFM/PWM operation
4.3 4.5 4.65
Pulsed load test; Pulse width ≤ 20ms;
Duty cycle ≤ 10%
2.3V ≤ V
IN
≤ 4.85V, I
OUT
= 0mA
5.02 5.1 5.18
PWM operation. Open Loop
3.4V ≤ V
IN
≤ 4.85V, 0mA ≤ I
OUT
≤ 1500mA
Regulated DC output voltage TPS61259 V
PFM/PWM operation
4.75 5.1 5.3
Pulsed load test; Pulse width ≤ 20ms;
Duty cycle ≤ 10%
Power-save mode output ripple
PFM operation, I
OUT
= 1mA 45
voltage
TPS61254
Standby mode output ripple mVpk
EN = GND, BP = V
IN
, I
OUT
= 0mA 80
TPS61258
voltage
PWM mode output ripple voltage PWM operation, I
OUT
= 200mA 20
ΔV
OUT
Power-save mode output ripple
PFM operation, I
OUT
= 1mA 50
voltage
TPS61253
Standby mode output ripple TPS61256 mVpk
EN = GND, BP = V
IN
, I
OUT
= 0mA 80
voltage
TPS61259
PWM mode output ripple voltage PWM operation, I
OUT
= 200mA 20
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