TPS59650RSLT datasheet(8/50 Pages) TI1

Part #	TPS59650RSLT

Description	Dual-Channel (3-Phase CPU/2-Phase GPU) SVID, D-CAP??Step-Down Controller

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Manufacturer	TI1 [Texas Instruments]

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TPS51650, TPS59650

SLUSAV7

– JANUARY 2012

www.ti.com

ELECTRICAL CHARACTERISTICS (continued)

over recommended free-air temperature range, VV5 = VV5DRV = 5.0 V; VV3R3 = 3.3 V; VxGFB = VPGND = VGND, VxVFB = VCORE

(Unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

LOGIC (VCLK, VDIO, ALERT, VR_HOT, VR_ON) INTERFACE PINS: I/O VOLTAGE AND CURRENT

VDIO, ALERT, VR_HOT, pull-down resistance at

RRSVIDL

Open drain pull down resistance

4

8

13

Ω

0.31 V

RRPGDL

Open drain pull down resistance xPGOOD pull-down resistance at 0.31 V

36

50

Ω

VR_HOT, xPGOOD, Hi-Z leakage,

IVRTTLK

Open drain leakage current

-2

0.2

2

µA

apply 3.3-V in off state

VIL

Input logic low

VCLK, VDIO

0.45

V

VIH

Input logic high

VCLK, VDIO

0.65

V

VHYST

Hysteresis voltage (4)

50

mV

VVR_ONL

VR_ON logic low

0.3

V

VVR_ONH

VR_ON logic high

0.8

V

IVR_ONH

I/O 3.3 V leakage

Leakage current , VVR_ON = 1.1 V

8

25

µA

OVERSHOOT AND UNDERSHOOT REDUCTION (OSR/USR) THRESHOLD SETTING

VXOCP-R = 0.2 V

106

VXOCP-R = 0.4 V

156

VXOCP-R = 0.6 V

207

VXOCP-R = 0.8 V

257

OSR voltage set (COCP-R pin

VOSR

mV

for CPU GOCP-R for GPU)

VXOCP-R = 1.0 V

308

VXOCP-R = 1.2 V

409

VXOCP-R = 1.4 V

510

VXOCP-R = 1.6 V

610

VXOCP-R = 0.2 V

40

VXOCP-R = 0.4 V

60

VXOCP-R = 0.6 V

80

VXOCP-R = 0.8 V

120

USR voltage set (COCP-R pin

VUSR

mV

for CPU GOCP-R for GPU)

VXOCP-R = 1.0 V

160

VXOCP-R = 1.2 V

200

VXOCP-R = 1.4 V

240

VXOCP-R = 1.6 V

OFF

VOSR_ON/V USR enabled (both CPU and

GSKIP voltage at start-up

0.15

USR_ON

GPU)

USR OFF setting (both CPU

VUSR_OFF

GSKIP voltage at start-up

0.4

1.1

V

and GPU)

OSR OFF setting (both CPU

VOSR_OFF

GSKIP voltage at start-up

1.4

and GPU)

VOSRHYS

OSR/USR voltage hysteresis (5)

All settings

5

mV

(4)

Specified by design. Not production tested.

(5)

Specified by design. Not production tested.

8

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