CS5106 datasheet(4/12 Pages) CHERRY

4 / 12 page

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Electrical Characteristics: TJ = -40¡C to 125¡C, VSS = 9 to 16V, V5REF ILOAD = 2mA, SYNCOUT Free Running, unless other-

wise specified. For All Specs: UVSD=6V, OVSD = 0V, ENABLE = 0V, ILIM(1,2) = 0,VFB(1,2) = 3V,RFADJ = RDLYSET = 27.4k½.

s Bias Supply Error Amplifier: continued

Output Low Sink Current

VSS > 12.6V. Measure OAOUT sink

3.0

20.0

50.0

current when OAOUT = 2.5V.

VSS Set Point

Adjust VSS until OAOUT goes low.

11.60

12.25

12.80

Large Signal Gain

(GBD)

15.00

V/mV

Unity Gain Bandwidth

(GBD)

1.00

MHz

Common Mode Input Range

(GBD)

1.00

2.00

s VSS Voltage

VSS Reset Voltage

Toggle ENABLE between Gnd & VCC,

then adjust VSS from 2.0V-0.8V until

OAOUT goes high.

1.00

1.40

1.80

s Undervoltage Lockout

UVSD Turn On

Adjust UVSD from 4.7V-5.3V

4.80

5.00

5.10

Threshold Voltage

until GATE 1, 2 goes high.

UVSD Turn Off Threshold

Adjust UVSD from 5.1V-4.3V

4.45

4.70

4.95

Voltage

until GATE 1, 2 goes low.

Hysteresis

Turnon - Turnoff

0.20

0.27

0.40

UVSD Input Bias Current

Set UVSD=0V. Measure Current

0.20

0.50

µA

out of UVSD lead.

s Overvoltage Lockout

OVSD Threshold Voltage

Adjust OVSD from 4.7V-5.3V

4.85

5.00

5.15

until GATE 1, 2 goes low.

OVSD Input Bias Current

Set OVSD=0V. Measure Current out

0.20

0.50

µA

of OVSD lead.

s ENABLE & PROGRAM

ENABLE Lead Output Current

Measure current out of

100.0

266.0

500.0

µA

ENABLE when ENABLE = 0V.

PROGRAM Lead Output

Measure current out of

20.0

60.0

100.0

µA

Current

PROGRAM when PROGRAM = 0V.

PROGRAM Threshold

ENABLE = Gnd. Adjust

1.20

1.40

1.60

Voltage

PROGRAM from 1.0V - 1.8V

until GATE 1, 2 goes high.

ENABLE Threshold Voltage

PROGRAM = Gnd.

1.20

1.40

1.60

Adjust ENABLE from 1.0V - 1.8V

until GATE 1, 2 goes high.

s Output Undervoltage Delay

OUVDELAY Charging

Set OUVDELAY = 1V, VFB1 = 4.4V

7.50

10.00

12.50

µA

Current

Measure OUVDELAY ICHARGE.

OUVDELAY Latchoff Voltage

Toggle ENABLE between Gnd & VCC,

4.80

5.00

5.20

then adjust OUVDELAY from

4.7V - 5.3V until GATE 1, 2, goes low.

OUVDELAY Set Current

OUVDELAY = VOCLO + 50mV

0.50

1.00

Measure current into OUVDELAY.

VFB1 Charge Threshold

VSS=1V. Toggle ENABLE between

4.05

4.22

4.40

Gnd & VCC, adjust VFB1 from 3.8V - 4.6V

until GATE 1, 2 goes low.

VFB2 Charge Threshold

VSS = 1V. Toggle ENABLE between

3.90

4.15

4.35

Gnd & VCC, adjust VFB2 from 3.8V - 4.6V

until GATE 1, 2 goes low.

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