LNBP8 datasheet(3/8 Pages) STMICROELECTRONICS

3 / 8 page

LNBP8 - LNBP9

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Figure 2: Block Diagram

Table 5: Electrical Characteristics (VCC1 = 16V, VCC2 = 22V, CI1 = CI2 = 0.22µF, CO =0.1µF,

ENABLE = H, TONE = L (LNBP9), EXTM floating (LNBP8), IO = 50mA, TJ = 0 to 85°C unless otherwise

specified.)

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

VCC1

VCC Supply Input 1

IO = 500 mA, TONE = H, VSEL = L

VCC2

VCC Supply Input 2

IO = 500 mA, TONE = H, VSEL = H

Output Voltage

IO = 500 mA, VSEL = L

12.5

13.5

IO = 500 mA, VSEL = H

17.3

18.7

∆V

Line Regulation

VCC1 = 15 to 18V, VSEL = L

VCC2 = 22 to 25V, VSEL = H

∆V

Load Regulation

VCC1 = VCC2 = 22V, IO = 50 to 500mA

VSEL = L or H

180

IMAX

Output Current Limiting

500

800

fTONE

Tone Frequency

LNBP9 version, TONE = H

KHz

ATONE Tone Amplitude

LNBP9 version, TONE = H

0.55

0.72

0.9

DTONE Tone Duty Cycle

LNBP9 version, TONE = H

tr, tf

Tone Rise and Fall Time

LNBP9 version, TONE = H

µs

GEXTM External Modulation Gain

LNBP8 version,

∆V

O/∆VEXTM,

f = 10Hz to 40KHz

VEXTM External Modulation Input

Voltage

LNBP8 version, AC Coupling

400

ZEXTM External Modulation

Impedance

LNBP8 version, f = 10Hz to 40KHz

400

Ω

VIL

Control Input Logic LOW

ENABLE, TONE (LNBP9 version), VSEL

0.8

VIH

Control Input Logic HIGH

ENABLE, TONE (LNBP9 version), VSEL

2.5

IIH

Control Pins Input Current

VIH = 5V, ENABLE, TONE (LNBP9

version), VSEL

µA

ICC

Supply Current

Output Disabled (ENABLE = L)

0.3

Output Enabled (ENABLE = H), TONE = H

IO = 500mA

TSHDN Temperature Shutdown

150

°C

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