Datasheet

TPS51916
SLUSAE1D –DECEMBER 2010–REVISED JUNE 2012 www.ti.com
ELECTRICAL CHARACTERISTICS
over operating free-air temperature range, V
V5IN
= 5 V, VLDOIN is connected to VDDQ output, V
MODE
= 0 V, V
S3
= V
S5
= 5 V
(unless otherwise noted)
PARAMETER TEST CONDITION MIN TYP MAX UNIT
SUPPLY CURRENT
I
V5IN(S0)
V5IN supply current, in S0 T
A
= 25°C, No load, V
S3
= V
S5
= 5 V 590 μA
I
V5IN(S3)
V5IN supply current, in S3 T
A
= 25°C, No load, V
S3
= 0 V, V
S5
= 5 V 500 μA
I
V5INSDN
V5IN shutdown current T
A
= 25°C, No load, V
S3
= V
S5
= 0 V 1 μA
I
VLDOIN(S0)
VLDOIN supply current, in S0 T
A
= 25°C, No load, V
S3
= V
S5
= 5 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 5 μA
I
VLDOINSDN
VLDOIN shutdown current T
A
= 25°C, No load, V
S3
= V
S5
= 0 V 5 μA
VREF OUTPUT
I
VREF
= 30 μA, T
A
= 25°C 1.8000
V
VREF
Output voltage 0 μA ≤ I
VREF
<300 μA, T
A
= –10°C to 85°C 1.7856 1.8144 V
0 μA ≤ I
VREF
<300 μA, T
A
= –40°C to 85°C 1.7820 1.8180
I
VREFOCL
Current limit V
VREF
= 1.7 V 0.4 0.8 mA
VTTREF OUTPUT
V
VTTREF
Output voltage V
VDDQSNS
/2 V
|I
VTTREF
| <100 μA, 1.2 V ≤ V
VDDQSNS
≤ 1.8 V 49.2% 50.8%
V
VTTREF
Output voltage tolerance to V
VDDQ
|I
VTTREF
| <10 mA, 1.2 V ≤ V
VDDQSNS
≤ 1.8 V 49% 51%
I
VTTREFOCLSRC
Source current limit V
VDDQSNS
= 1.8 V, V
VTTREF
= 0 V 10 18 mA
I
VTTREFOCLSNK
Sink current limit V
VDDQSNS
= 1.8 V, V
VTTREF
= 1.8 V 10 17 mA
I
VTTREFDIS
VTTREF discharge current T
A
= 25°C, V
S3
= V
S5
= 0 V, V
VTTREF
= 0.5 V 0.8 1.3 mA
VTT OUTPUT
V
VTT
Output voltage V
VTTREF
V
|I
VTT
| ≤ 10 mA, 1.2 V ≤ V
VDDQSNS
≤ 1.8 V, I
VTTREF
= 0 A –20 20
|I
VTT
| ≤ 1 A, 1.2 ≤ V
VDDQSNS
≤ 1.8 V, I
VTTREF
= 0 A –30 30
V
VTTTOL
Output voltage tolerance to VTTREF mV
|I
VTT
| ≤ 2 A, 1.4 V ≤ V
VDDQSNS
≤ 1.8 V, I
VTTREF
= 0 A –40 40
|I
VTT
| ≤ 1.5 A, 1.2 V ≤ V
VDDQSNS
≤ 1.4 V, I
VTTREF
= 0 A –40 40
I
VTTOCLSRC
Source current limit V
VDDQSNS
= 1.8 V, V
VTT
= V
VTTSNS
= 0.7 V, I
VTTREF
= 0 A 2 3
A
I
VTTOCLSNK
Sink current limit V
VDDQSNS
= 1.8V, V
VTT
= V
VTTSNS
= 1.1 V, I
VTTREF
= 0 A 2 3
I
VTTLK
Leakage current T
A
= 25°C , V
S3
= 0 V, V
S5
= 5 V, V
VTT
= V
VTTREF
5
I
VTTSNSBIAS
VTTSNS input bias current V
S3
= 5 V, V
S5
= 5 V, V
VTTSNS
= V
VTTREF
–0.5 0.0 0.5 μA
I
VTTSNSLK
VTTSNS leakage current V
S3
= 0 V, V
S5
= 5 V, V
VTTSNS
= V
VTTREF
–1 0 1
T
A
= 25°C, V
S3
= V
S5
= 0 V, V
VDDQSNS
= 1.8 V,
I
VTTDIS
VTT Discharge current 7.8 mA
V
VTT
= 0.5 V, I
VTTREF
= 0 A
VDDQ OUTPUT
V
VDDQSNS
VDDQ sense voltage V
REFIN
VDDQSNS regulation voltage
V
VDDQSNSTOL
T
A
= 25°C –3 3 mV
tolerance to REFIN
I
VDDQSNS
VDDQSNS input current V
VDDQSNS
= 1.8 V 39 μA
I
REFIN
REFIN input current V
REFIN
= 1.8 V –0.1 0.0 0.1 μA
V
S3
= V
S5
= 0 V, V
VDDQSNS
= 0.5 V, MODE pin pulled
I
VDDQDIS
VDDQ discharge current 12 mA
down to GND through 47kΩ (Non-tracking)
V
S3
= V
S5
= 0 V, V
VDDQSNS
= 0.5 V, MODE pin pulled
I
VLDOINDIS
VLDOIN discharge current 1.2 A
down to GND through 100kΩ (Non-tracking)
SWITCH MODE POWER SUPPLY (SMPS) FREQUENCY
V
IN
= 12 V, V
VDDQSNS
= 1.8 V, R
MODE
= 100 kΩ 300
V
IN
= 12 V, V
VDDQSNS
= 1.8 V, R
MODE
= 200 kΩ 400
f
SW
VDDQ switching frequency kHz
V
IN
= 12 V, V
VDDQSNS
= 1.8 V, R
MODE
= 1 kΩ 500
V
IN
= 12 V, V
VDDQSNS
= 1.8 V, R
MODE
= 12 kΩ 670
t
ON(min)
Minimum on time DRVH rising to falling
(1)
60
ns
t
OFF(min)
Minimum off time DRVH falling to rising 200 320 450
(1) Ensured by design. Not production tested.
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