TPS3600D20, TPS3600D25, TPS3600D33, TPS3600D50

BATTERY BACKUP SUPERVISORS FOR LOW POWER PROCESSORS

SLVS336B − DECEMBER 2000 − REVISED JANUARY 2007

11

electrical characteristics over recommended operating conditions (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

RESET,

VOUT = 2.0 V, IOH = −400 µA

VOUT − 0.2 V

RESET,

BATTOK,

VOUT = 3.3 V, IOH = −2 mA

VOUT − 0.4 V

BATTOK,

BATTON

VOUT = 5.0 V, IOH = −3 mA

VOUT − 0.4 V

VOUT = 1.8 V, IOH = −20 µA

VOUT − 0.3 V

High-level output

PFO

VOUT = 3.3 V, IOH = −80 µA

VOUT − 0.4 V

VOH

High-level output

voltage

PFO

VOUT = 5.0 V, IOH = −120 µA

VOUT − 0.4 V

V

VOH

voltage

CEOUT

VOUT = 2.0 V, IOH = −1 mA

VOUT − 0.2 V

V

CEOUT

Enable mode

VOUT = 3.3 V, IOH = −2 mA

VOUT − 0.3 V

Enable mode

CEIN = VOUT

VOUT = 5.0 V, IOH = −5 mA

VOUT − 0.3 V

CEOUT

Disable mode

VOUT = 3.3 V, IOH = −0.5 mA

VOUT − 0.4 V

RESET,

VOUT = 2.0 V, IOL = 400 µA

0.2

RESET,

PFO,

BATTOK

VOUT = 3.3 V, IOL = 2 mA

0.4

PFO,

BATTOK

VOUT = 5.0 V, IOL = 3 mA

0.4

Low-level output

VOUT = 1.8 V, IOL = 500 µA

0.2

VOL

Low-level output

voltage

BATTON

VOUT = 3.3 V, IOL = 3 mA

0.4

V

VOL

voltage

BATTON

VOUT = 5.0 V, IOL = 5 mA

0.4

V

CEOUT

VOUT = 2.0 V, IOL = 1 mA

0.2

CEOUT

Enable mode

VOUT = 3.3 V, IOL = 2 mA

0.3

Enable mode

CEIN = 0 V

VOUT = 5.0 V, IOL = 5 mA

0.3

Vres

Power-up reset voltage (see Note 2)

VBAT > 1.1 V OR

VDD > 1.4 V, IOL = 20 µA

0.4

V

IO = 5 mA,

VDD = 1.8 V

VDD − 50 mV

Normal mode

IO = 75 mA,

VDD = 3.3 V

VDD − 150 mV

VOUT

Normal mode

IO = 150 mA, VDD = 5 V

VDD − 250 mV

V

VOUT

Battery-backup mode

IO = 4 mA,

VBAT = 1.5 V

VBAT − 50 mV

V

Battery-backup mode

IO = 75 mA,

VBAT = 3.3 V

VBAT − 150 mV

rds(on)

VDD to VOUT on-resistance

VDD = 3.3 V

1

2

Ω

rds(on)

VBAT to VOUT on-resistance

VBAT = 3.3 V

1

2

Ω

TPS3600x20

1.74

1.78

1.82

TPS3600x25

2.17

2.22

2.27

VIT

Negative-going input

TPS3600x30

2.57

2.63

2.69

VIT

Negative-going input

threshold voltage

(see Notes 3 and 4)

TPS3600x33

TA = −40°C to 85°C

2.87

2.93

2.99

V

threshold voltage

(see Notes 3 and 4)

TPS3600x50

TA = −40 C to 85 C

4.31

4.40

4.49

V

V(PFI)

PFI

1.13

1.15

1.17

V(BOK)

TPS3600Dxx

VIT + 5.8%

VIT + 7.1%

VIT + 8.3%

V(SWN)

Battery switch threshold voltage

negative-going VOUT

VIT + 1%

VIT + 2%

VIT + 3.2%

V

NOTES:

2. The lowest supply voltage at which RESET becomes active. tr(VDD) ≥ 15 µs/V.

3. To ensure best stability of the threshold voltage, a bypass capacitor (ceramic, 0.1

µF) should be placed near the supply terminal.

4. Voltage is sensed at VOUT

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