TPS5206CN

SWITCHING-POWER-SUPPLY CONTROL CIRCUIT

SLVS082A – APRIL 1994 – REVISED SEPTEMBER 1994

5

POST OFFICE BOX 655303

POST OFFICE BOX 1443

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Vref

Reference output voltage

IO = 5 mA

4.9

5

5.1

V

VIH(SC)

High-level input voltage, SC overcurrent

protection

SVP5 = 5 V,

SVP12 = 12 V,

SVN5 = – 5 V,

SVN12 = – 12 V,

VO(DT) ≥ 3.5 V

5.1

V

VIL(SC)

Low-level input voltage, SC overcurrent

protection

SVP5 = 5 V,

SVP12 = 12 V,

SVN5 = – 5 V,

SVN12 = – 12 V,

VO(DT) ≤ 0.4 V

4.9

V

SVP5

SVP12 = 12 V,

SVN12 = – 12 V,

SVN5 = – 5 V,

VO(DT) ≤ 0.4 V

3.5

3.9

4.5

VIT(UV)

Input threshold voltage,

SVP12

SVP5 = 5 V,

SVN12 = – 12 V,

SVN5 = – 5 V,

VO(DT) ≤ 0.4 V

9

9.5

10.5

V

VIT(UV)

g,

undervoltage sense

SVN5

SVP5 = 5 V,

SVN12 = – 12 V,

SVP12 = 12 V,

VO(DT) ≤ 0.4 V

–3

– 3.4

–4

V

SVN12

SVP5 = 5 V,

SVN5 = – 5 V,

SVP12 = 12 V,

VO(DT) ≤ 0.4 V

–8

– 9.3

–10

SVP5

SVP12 = 12 V,

SVN12 = – 12 V,

SVN5 = – 5 V,

VO(DT) ≤ 0.4 V

5.5

5.9

6.3

VIT(OV)

Input threshold voltage,

SVP12

SVP5 = 5 V,

SVN12 = – 12 V,

SVN5 = – 5 V,

VO(DT) ≤ 0.4 V

13.5

14.1

14.8

V

VIT(OV)

g,

overvoltage sense

SVN5

SVP5 = 5 V,

SVN12 = – 12 V,

SVP12 = 12 V,

VO(DT) ≤ 0.4 V

–7

– 8.4

–9

V

SVN12

SVP5 = 5 V,

SVN5 = – 5 V,

SVP12 = 12 V,

VO(DT) ≤ 0.4 V

–14

– 15.3

–16

VOL(D1),

Low level output voltage output drivers

VO(DT) ≥ 35 V

IOL = 0

0.4

V

OL(D1),

VOL(D2)

Low-level output voltage, output drivers

VO(DT) ≥ 3.5 V

IOL = 150 mA

1.6

2.5

V

VO(DT)

Dead-time output voltage

SVP5 = 7 V,

IO(DT) = –250 µA

3.5

V

VIH(PGI)

High-level input voltage, PGI

VO(PGO) ≥ 4 V,

See Figure 3

2.8

V

VIL(PGI)

Low-level input voltage, PGI

VO(PGO) ≤ 0.4 V,

See Figure 3

2.42

V

VIH(CPG)

High-level input voltage, CPG

VI(PGI) = 4 V,

See Figure 4

VO(PGO) ≥ 4 V,

2.95

V

VIL(CPG)

Low-level input voltage, CPG

VI(PGI) = 4 V,

See Figure 4

VO(PGO) ≤ 0.4 V,

2.6

V

VOH(PGO) High-level output voltage, PGO

VCPG = 4 V,

IO(PGO) = – 240 µA,

See Figure 5

4.75

V

VOL(PGO)

Low-level output voltage, PGO

VCPG = 0 V,

IO(PGO) = 9.6 mA,

See Figure 6

0.4

V

ICC

Standby supply current

All other inputs and outputs open

32

mA

fosc

Oscillator frequency

CT = 1200 pF

80

kHz

switching characteristics over recommended ranges of supply voltage and operating free-air

temperature

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

tr

Rise time of power good

VCPG L → H,

VO(PGO) L → H,

See Figures 4 and 6

100

ns

td

Delay time of power good

RL = 150 kΩ,

CPG = 2.2

µF,

VI(PGI) H → L, VO(PGO) H → L,

See Figures 4 and 6

500

600

µs