Datasheet
TPS51206
www.ti.com
SLUSAH1A –MAY 2011–REVISED OCTOBER 2013
ELECTRICAL CHARACTERISTICS
over operating free-air temperature range, V
VDD
=5 V, VLDOIN is connected to VDDQSNS, V
S3
=V
S5
=5 V (unless otherwise
noted)
PARAMETER TEST CONDITION MIN TYP MAX UNIT
SUPPLY CURRENT
I
VDD(S0)
VDD supply current, in S0 T
A
= 25°C, No load, V
S3
= V
S5
= 5 V, V
VDDQSNS
= 1.8 V 170 μA
I
VDD(S3)
VDD supply current, in S3 T
A
= 25°C, No load, V
S3
= 0 V, V
S5
= 5 V, V
VDDQSNS
= 1.8 V 80 μA
I
VDDSDN
VDD shutdown current, in S4/S5 T
A
= 25°C, No load, V
S3
= V
S5
= 0 V, V
VDDQSNS
= 1.8 V 1 μA
I
VLDOIN(S0)
VLDOIN supply current, in S0 T
A
= 25°C, No load, V
S3
= V
S5
= 5 V, V
LDION
= 1.8 V 5 μA
I
VLDOIN(s3)
VLDOIN supply current, in S3 T
A
= 25°C, No load, V
S3
= 0 V, V
S5
= 5 V, V
LDION
= 1.8 V 5 μA
I
VLDOINSDN
VLDOIN shutdown current, in S4/S5 T
A
= 25°C, No load, V
S3
= V
S5
= 0 V, V
LDION
= 1.8 V 5 μA
VTTREF OUTPUT
V
VTTREF
Output voltage V
VDDQSNS
/2 V
|I
VTTREF
|< 10 mA, 1.5 V ≤ V
VDDQSNS
≤ 1.8 V 49% 50% 51%
Output voltage tolerance to
V
VTTREFTOL
V
VDDQSNS
|I
VTTREF
|< 10 mA, 1.2 V ≤ V
VDDQSNS
< 1.5 V 48.75% 51.25%
I
VTTREFSRC
Source current V
VDDQSNS
= 1.8 V, V
VTTREF
= 0 V 10 mA
I
VTTREFSNK
Sink current V
VDDQSNS
= 0 V, V
VTTREF
= 1.8 V 10 mA
I
VTTREFDIS
VTTREF Discharge current T
A
= 25°C, V
S3
= V
S5
= 0V, V
VTTREF
= 0.5V 1.3 mA
VTT OUTPUT
V
VTT
Output voltage V
VDDQSNS
/2 V
|I
VTT
|≤ 10 mA, 1.4 V ≤ V
VDDQSNS
≤ 1.8 V –20 20
|I
VTT
|< 1 A, 1.4 V ≤ V
VDDQSNS
≤ 1.8 V
(1)
–30 30
|I
VTT
|< 2 A, 1.4 V ≤ V
VDDQSNS
≤ 1.8 V
(1)
–40 40
Output voltage tolerance to
V
VTTTOL
mV
V
VDDQSNS
/2
|I
VTT
|≤ 10 mA, 1.2 V ≤ V
VDDQSNS
≤ 1.4 V –20 20
|I
VTT
|< 1 A, 1.2 V ≤ V
VDDQSNS
≤ 1.4 V
(1)
–30 30
|I
VTT
|< 1.5 A, 1.2 V ≤ V
VDDQSNS
< 1.4 V
(1)
–40 40
I
VTTOCLSRC
Source current limit V
VDDQSNS
= 1.8 V, V
VTT
= V
VTTSNS
= 0.7 V 2 A
I
VTTOCLSNK
Sink current limit V
VDDQSNS
= 1.8 V, V
VTT
= V
VTTSNS
= 1.1 V 2 A
I
VTTLK
Leakage current T
A
= 25°C , V
S3
= 0 V, V
S5
= 5 V, V
VTT
= V
VTTREF
5 μA
I
VTTSNSBIAS
VTTSNS input bias current V
S3
= 5 V, V
S5
= 5 V, V
VTTSNS
= V
VTTREF
–0.1 0.1 μA
I
VTTSNSLK
VTTSNS leakage current V
S3
= 0 V, V
S5
= 5 V, V
VTTSNS
= V
VTTREF
–0.1 0.1 μA
I
VTTDIS
VTT Discharge current T
A
= 25°C, V
S3
= V
S5
= V
VDDQSNS
= 0 V, V
VTT
= 0.5 V 7 mA
VDDQ INPUT
I
VDDQSNS
VDDQSNS input current V
VDDQSNS
= 1.8 V 30 μA
UVLO/LOGIC THRESHOLD
Wake up 2.67 2.90 3.00
V
VDDUV
VDD UVLO threshold voltage V
Hysteresis 0.2
V
LL
S3/S5 low-level voltage 0.5 V
V
LH
S3/S5 high-level voltage 1.8 V
V
LHYST
S3/S5 hysteresis voltage 0.3 V
I
LHLK
S3/S5 input leak current –1 1 μA
OVER-TEMPERATURE PROTECTION
Shutdown temperature
(1)
150
T
OTP
Over temperature protection °C
Hysteresis
(1)
10
(1) Ensured by design. Not production tested.
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