TPS2346PW datasheet(3/30 Pages) TI1

Part #	TPS2346PW

Description	OPTICAL NETWORK HOT SWAP POWER MANAGER

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Manufacturer	TI1 [Texas Instruments]

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TPS2346

SLUS529 – MAY 2002

3

www.ti.com

electrical characteristics VI(VIN1) = 5.15 V, VI(VIN2) = 5 V, VI(VIN3) = 3.3 V, VI(VIN4) = –5.2 V,

TA = –40_C to 85_C (unless otherwise noted)

input supply

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

ICC1

Supply current, VIN1

6

8

ICC2

Supply current, VIN2

1

2

ICC3

Input current, VIN3

0.5

1

mA

ICC4

Input current, VIN4

–1.5

–3

mA

ICC1(SLP) Sleep mode current, VIN1

VI(ENABLE) = 5 V

0.5

ICC2(SLP) Sleep mode current, VIN2

VI(ENABLE) = 5 V

1

ICC3(SLP) Sleep mode current, VIN3

VI(ENABLE) = 5 V

100

A

ICC4(SLP) Sleep mode current, VIN4

VI(ENABLE) = 5 V

–400

µA

charge pump

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VO(MAX)

Maximum output voltage

IO(CPUMP) = –25 µA

17

23

V

ISOURCE

Peak output current

VO(CPUMP) = 15 V

–120

µA

ZO

Charge pump source impedance

1V

I

O (CPUMP

+17 V) * IO (CPUMP+16 V)

200

k

Ω

precharge output

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VO(PCHG)1 Output voltage

VI(VIN2) = 4 V,

VI(VIN1/3/4) = 0 V

0.9

1

1.1

VO(PCHG)2 Output voltage, sourcing

VI(VIN2) = 4 V,

VI(VIN1/3/4) = 0 V,

IO(PRECHG) = –5 mA

0.8

1

1.2

V

VO(PCHG)3 Output voltage, sinking

VI(VIN2) = 4 V,

VI(VIN1/3/4) = 0 V,

IO(PRECHG) = 5 mA

0.8

1

1.2

V

tSTART

Startup time

VI(VIN2) = 4 V,

VI(VIN1/3/4) = 0 V

200

µs

linear current amplifiers 1, 2, 3

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VMAX1

IMAX sense voltage (VIN1 – CS1)

16

20

24

VMAX2

IMAX sense voltage (VIN2 – CS2)

16

20

24

mV

VMAX3

IMAX sense voltage (VIN3 – CS3)

16

20

24

mV

IPK

Output peak current

–25

–5

ISINK

Output current sink

0.2

10

mA

IFAULT

Output current sink

Fault shutdown

150

mA

VOL

Low-level output voltage

Fault shutdown,

IO(GATEx) = 10 mA

0.5

V

VOH

High-level output voltage

IO(GATEx) = –4 µA

VCPUMP–1

V

linear current amplifier 4

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VMAX4

IMAX sense voltage (VIN4 – CS4)

–75

–150

–225

mV

IOL1

Output leakage current

Fault shutdown

–10

10

A

IOL2

Output leakage current

Sleep mode

–10

10

µA

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