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LNBK20D2

LNB SUPPLY AND CONTROL VOLTAGE REGULATOR (PARALLEL INTERFACE)

STMicroelectronics 

LNBK20D2

ELECTRICAL CHARACTERISTICS FOR LNBK SERIES (TJ = 0 to 85°C, CI = 0.22µF, CO =0.1µF,

EN=H, ENT=L, LLC=L, VIN1=16V, VIN2=23V IOUT=50mA, unless otherwise specified.)

Symbol

Parameter

Test Conditions

Min. Typ. Max. Unit

VIN1 VCC1 Supply Voltage

VIN2 VCC2 Supply Voltage

VO1 Output Voltage

VO2 Output Voltage

∆VO Line Regulation

∆VO Load Regulation

SVR Supply Voltage Rejection

IMAX

tOFF

tON

fTONE

ATONE

DTONE

tr, tf

GEXTM

VEXTM

ZEXTM

VSW

VOL

IOZ

VIL

VIH

IIH

ICC

Output Current Limiting

Dynamic Overload

protection OFF Time

Dynamic Overload

protection ON Time

Tone Frequency

Tone Amplitude

Tone Duty Cycle

Tone Rise and Fall Time

External Modulation Gain

External Modulation Input

Voltage

External Modulation

Impedance

Bypass Switch Voltage

Drop (MI to LNBA)

Overload Flag Pin Logic

LOW

Overload Flag Pin OFF

State Leakage Current

Control Input Pin Logic

LOW

Control Input Pin Logic

HIGH

Control Pins Input Current

Supply Current

IOBK Output Backward Current

TSHDN Temperature Shutdown

Threshold

IO = 400 mA ENT=H, VSEL=L, LLC=L

IO = 400 mA ENT=H, VSEL=L, LLC=H

IO = 400 mA ENT=H, VSEL=L, LLC=L

IO = 400 mA VSEL=L, LLC=H

IO = 400 mA VSEL=L, LLC=L

IO = 400 mA ENT=H, VSEL=L, LLC=H

IO = 400 mA VSEL=L, LLC=L

IO = 400 mA ENT=H, VSEL=L, LLC=H

VIN1=15 to 18V VOUT=13V

VIN2=22 to 25V VOUT=18V

VIN1=VIN2=22V VOUT=13 or 18V

IO = 0 to 3A

VIN1 = VIN2 = 23 ± 0.5Vac fac = 120 Hz,

Output Shorted

Output Shorted

ENT=H

ENT=H

ENT=H

ENT=H

∆VOUT/∆VEXTM,

AC Coupling

CEXT =4.7µF

CEXT =4.7µF

f = 10Hz to 40KHz

f = 10Hz to 40KHz

EN=L, ISW=300mA, VCC2-VMI=4V

IOL=8mA

VOH = 6V

VIH = 5V

Output Disabled (EN=L)

ENT=H, IOUT=500mA

EN=L

VLNBA = VLNBB = 18V

VIN1 = VIN2 = 22V or floating

15

27

V

16

27

V

22

27

V

23

27

V

17.3 18 18.7

V

19

V

12.5 13 13.5

V

14

V

5

50

mV

5

50

mV

65 150 mV

45

dB

500 650 800 mA

1100

ms

tOFF/15

20

22

24

0.55 0.72 0.9

40

50

60

5

10

15

5

400

ms

KHz

Vpp

%

µs

mVpp

400

Ω

0.35 0.6

V

0.28 0.5

V

10

µA

0.8

V

2.5

V

20

µA

0.3

1

mA

3.1

6

mA

0.2

3

mA

150

°C

5/14

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