TPS2306_10 datasheet(5/29 Pages) TI1

Part #	TPS2306

Description	DUAL SEQUENCING HOT SWAP POWER MANAGER

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Manufacturer	TI1 [Texas Instruments]

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TPS2306

DUAL SEQUENCING HOT SWAP POWER MANAGER

SLVS368 − APRIL 2001

5

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

electrical characteristics over recommended operating junction temperature range, VI(VCC/CS1) =

12 V, VI(CS2) = 5 V, −40°C < TA < 85°C, all voltages are with respect to GND; TA = TJ. (unless otherwise

noted) Currents are positive into and negative out of the specified terminal.

input supply

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

ICC1

Supply current

VCC/CS1 = 4 V,

CS2 = 2.75V

1

2

mA

ICC2

Supply current

VCC/CS1 = 13.6 V, CS2 = 13.6 V

2

4

mA

ISLP

Shutdown current

ENBL = 0

40

75

µA

undervoltage lockout

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VCC/CS1 minimum voltage to start

CS2 = 3 V

2.00

2.45

2.90

VCC/CS1 minimum voltage after start

CS2 = 3 V

1.80

2.25

2.60

VCC/CS1 hysteresis

CS2 = 3 V

0.05

0.18

0.24

V

CS2 minimum voltage to start

VCC/CS1 = 4 V

2.00

2.45

2.75

V

CS2 minimum voltage after start

VCC/CS1 = 4 V

1.80

2.25

2.60

CS2 hysteresis

VCC/CS1 = 4 V

0.05

0.18

0.24

reference current

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VO

Output voltage

IREF = 100 µA

1.4

1.5

1.6

V

IO

Maximum output current

VREF = 1.35 V

−300

−150

µA

linear current amplifier 1, linear current amplifier 2

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VIO

Input offset voltage

TA = 25_C

−4

4

mV

VIO

Input offset voltage

−40

_C ≤ TA ≤ 85_C,See Note 1

−5.5

5.5

mV

IPK

Ouput peak current

−25

−5

mA

ISINK

Output current sink

Ramp-down mode

2

10

25

µA

ISINK

Output current sink

LCA pulldown

0.2

5

mA

IFAULT

Output current sink

Overcurrent fault shutdown

100

mA

VOL

Output low voltage

Fault shutdown ISINK = 10 mA

0.5

V

VOH

Output high voltage

ISOURCE = −4 µA

Note 2

V

overcurrent amplifier 1, overcurrent amplifier 2

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VIO

Input offset voltage

(VCC/CS1 − IMAX1),

(CS2 − IMAX2)

Note 3

Note 4

mV

RINT1,

RINT2

Internal threshold resistor

1.7

2.5

3.3

k

Ω

tR

Response time

0.5

7

µs

FAULT timer

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

ICT

CT charge current

VO(CT) = 1 V

−65

−50

−35

µA

VTH

CT fault threshold

1.35

1.50

1.65

V

NOTES:

1. Ensured by design. Not production tested.

2. VCPUMP − 1

3. −1.5

× IREF × 2500

4. −0.6

× IREF × 2500

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