TPS59116 Datasheet, PDF (3/36 Pages) Texas Instruments – Complete DDR, DDR2 and DDR3 Memory Power Solution Synchronous Buck Controller 3-A LDO, Buffered Reference for Embedded Computing Systems

TI Information — Selective Disclosure
TPS59116
www.ti.com
SLUSA57 – AUGUST 2010
ELECTRICAL CHARACTERISTICS
over operating free-air temperature range, V_V5IN = V_V5FILT = 5 V, VLDOIN is connected to VDDQ output (unless otherwise
noted)
PARAMETER
TEST CONDITIONS
MIN
TYP MAX UNIT
SUPPLY CURRENT
I_V5IN1
Supply current 1, V5FILT
T_A = 25°C, No load, V_S3 = V_S5 = 5 V,
COMP connected to capacitor
0.8
2 mA
I_V5IN2
Supply current 2, V5FILT
T_A = 25°C, No load, V_S3 = 0 V, V_S5 = 5 V,
COMP connected to capacitor
300
600
I_V5IN3
Supply current 3, V5FILT
I_V5INSDN
Shutdown current, V5FILT
I_VLDOIN1
Supply current 1, VLDOIN
I_VLDOIN2
Supply current 2, VLDOIN
I_VLDOINSDN Standby current, VLDOIN
VTTREF OUTPUT
T_A = 25°C, No load, V_S3 = 0 V, V_S5 = 5 V,
V_COMP = 5 V
T_A = 25°C, No load, V_S3 = V_S5 = 0 V
T_A = 25°C, No load, V_S3 = V_S5 = 5 V
T_A = 25°C, No load, V_S3 = 5 V, V_S5 = 0 V,
T_A = 25°C, No load, V_S3 = V_S5 = 0 V
240
500
0.1
1.0 ^mA
1
10
0.1
10
0.1
1.0
V_VTTREF
Output voltage, VTTREF
V_VTTREFTOL Output voltage tolerance
V_VTTREFSRC Source current
V_VTTREFSNK Sink current
VTT OUTPUT
-10 mA < I_VTTREF < 10 mA, V_VDDQSNS = 2.5 V,
Tolerance to V_VDDQSNS/2
-10 mA < I_VTTREF < 10 mA, V_VDDQSNS = 1.8 V,
Tolerance to V_VDDQSNS/2
-10 mA < I_VTTREF < 10 mA, V_VDDQSNS = 1.5 V,
Tolerance to V_VDDQSNS/2
-10 mA < I_VTTREF < 10 mA, V_VDDQSNS = 1.2 V,
Tolerance to V_VDDQSNS/2
V_VDDQSNS = 2.5 V, V_VTTREF = 0 V
V_VDDQSNS = 2.5 V, V_VTTREF = 2.5 V
V_VDDQSNS/2
-20
-18
-15
–12
-20
-40
20
40
V
20
18
mV
15
12
-80
mA
80
V_S3 = V_S5 = 5 V, V_VLDOIN = V_VDDQSNS = 2.5 V
V_VTTSNS
Output voltage, VTT
V_S3 = V_S5 = 5 V, V_VLDOIN = V_VDDQSNS = 1.8 V
V_S3 = V_S5 = 5 V, V_VLDOIN = V_VDDQSNS = 1.5 V
V_VDDQSNS = V_VLDOIN = 2.5 V, V_S3 = V_S5 = 5 V,
I_VTT = 0 A
-20
V_VTTTOL25
VTT output voltage tolerance V_VDDQSNS = V_VLDOIN = 2.5 V, V_S3 = V_S5 = 5 V,
to VTTREF
|I_VTT| < 1.5 A
-30
V_VDDQSNS = V_VLDOIN = 2.5 V, V_S3 = V_S5 = 5 V,
|I_VTT| < 3 A
-40
V_VDDQSNS = V_VLDOIN = 1.8 V, V_S3 = V_S5 = 5 V,
I_VTT = 0 A
-20
V_VTTTOL18
VTT output voltage tolerance V_VDDQSNS = V_VLDOIN = 1.8 V, V_S3 = V_S5 = 5 V,
to VTTREF
|I_VTT| < 1 A
-30
V_VDDQSNS = V_VLDOIN = 1.8 V, V_S3 = V_S5 = 5 V,
|I_VTT| < 2 A
-40
V_VDDQSNS = V_VLDOIN = 1.5 V, V_S3 = V_S5 = 5 V,
I_VTT = 0 A
-20
V_VTTTOL15
VTT output voltage tolerance V_VDDQSNS = V_VLDOIN = 1.5 V, V_S3 = V_S5 = 5 V,
to VTTREF
|I_VTT| < 1 A
-30
V_VDDQSNS = V_VLDOIN = 1.5 V, V_S3 = V_S5 = 5 V,
|I_VTT| < 2 A
-40
V_VDDQSNS = V_VLDOIN = 1.2 V, V_S3 = V_S5 = 5 V,
|I_VTT| = 0 A
-20
V_VTTTOL12
VTT output voltage tolerance V_VDDQSNS = V_VLDOIN = 1.2 V, V_S3 = V_S5 = 5 V,
to VTTREF
|I_VTT| < 1 A
-30
V_VDDQSNS = V_VLDOIN = 1.2 V, V_S3 = V_S5 = 5 V,
|I_VTT| < 1.5 A
-40
1.25
0.9
V
0.75
20
30
40
20
30
40
mV
20
30
40
20
30
40
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