Datasheet
TPD12S015A
www.ti.com
SLLSE74C –JUNE 2011–REVISED MARCH 2013
DC-DC Converter (continued)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
Load transient response V
BAT
= 3.6 V, I
O
= 5 to 65 mA, pulse of 10 µs, t
r
50 mVpk
= t
f
= 0.1 µs
I
DD (idle)
Power supply current from V
BAT
I
O
= 0 mA 30 50 µA
to DC/DC, enabled, unloaded
I
DD (disabled)
Power supply current from V
BAT
= 2.3 V to 5.5 V, I
O
= 0 mA, CT_CP_HPD 2 µA
V
BAT
, DC/DC Disabled, Low
Unloaded
I
DD(system off)
Power supply current from V
CCA
= 0 V 5 µA
V
BAT
, VCCA =0V
I_inrush Inrush current, average over V
BAT
= 2.3 V to 5.5 V, I
O
= 65 mA 100 mA
(startup) T_startup time
T
SD
Thermal shutdown Increasing junction temperature 140 °C
ΔT
SD
Thermal shutdown hysteresis Decreasing junction temperature 20 °C
I
SC
Short circuit current limit from 5Ω short to GND 500 mA
output
Passive Components
PARAMETER TYP UNIT
L
IN
External inductor, 0805 footprint 1 µH
C
IN
Input capacitor, 0603 footprint 4.7 µF
C
OUT
Output capacitor, 0603 footprint 4.7 µF
C
VCCA
Input capacitor, 0402 footprint 0.1 µF
Voltage Level Shifter: SCL, SDA Lines (x_A/x_B Ports)
T
A
= –40°C to 85°C unless otherwise specified
PARAMETER TEST CONDITIONS V
CCA
MIN TYP MAX UNIT
V
OHA
I
OH
= –10 μA, V
I
= V
IH
1.1 V to 3.6 V V
CCA
× 0.8 V
V
OLA
I
OL
= 10 μA, V
I
= V
IL
1.1 V to 3.6 V V
CCA
× 0.17 V
V
OHB
I
OH
= –10 μA, V
I
= V
IH
5VOUT × 0.9 V
V
OLB
I
OL
= 3 mA, V
I
= V
IL
0.4 V
ΔV
T
SDx_A (V
T+
– V
T–
) 1.1 V to 3.6 V 40
hysteresi mV
SDx_B (V
T+
– V
T–
) 1.1 V to 3.6 V 400
s
R
PU
(Internal pullup) SCL_A, Internal pullup connected to 10
SDA_A, V
CCA
rail
kΩ
SCL_B, Internal pullup connected to 1.75
SDA_B, 5 V rail
I
PULLUPAC
Transient boosted SCL_B, Internal pullup connected to 15
pullup current (rise SDA_B, 5 V rail mA
time accelerator)
I
OFF
A port V
CCA
= 0 V, V
I
or V
O
= 0 to 3.6 V 0 V ±5
μA
B port 5VOUT = 0 V, V
I
or V
O
= 0 to 5.5 V 0 V to 3.6 V ±5
I
OZ
B port V
O
= V
CCO
or GND 1.1 V to 3.6 V ±5
μA
A port V
I
= V
CCI
or GND 1.1 V to 3.6 V ±5
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