LB1821 datasheet(3/16 Pages) SANYO

3 / 16 page

No. 5686-3/16

LB1821M

Parameter

Symbol

Conditions

Ratings

Unit

min

typ

max

[VCO Oscillator]

Pin C output high-level voltage

VOH(C)1

4.1

4.3

4.6

VOH(C)2

VCC = 5 V

3.2

3.4

3.6

Pin C output low-level voltage

VOL(C)1

3.6

3.9

4.1

VOL(C)2

VCC = 5 V

2.8

3.0

3.2

Oscillator frequency

f (C)

1.0

MHz

Amplitude

V(C)

0.2

0.4

0.6

Vp-p

[Current Limiter Operation]

Limiter

VRF

0.47

0.52

0.57

[Thermal Shutdown Operation]

Thermal shutdown operating temperature

TSD

Design target value

150

180

°C

Hysteresis

∆TSD

Design target value

°C

VREG pin voltage

VREG

6.6

7.0

7.3

[FG Amplifier]

Input offset voltage

VIO(FG)

–10

+10

Input bias current

IB(FG)

–1

µA

Output high-level voltage

VOH(FG)

VCC – 1.5

VCC – 1

Output low-level voltage

VOL(FG)

1.5

FG input sensitivity

Gain: 100

Schmitt amplitude for the next stage

100

180

250

Operating frequency range

kHz

Open-loop gain

f (FG) = 2 kHz

[FGS Output]

Output saturation voltage

VO(FGS)

IO(FGS) = 2 mA

0.1

0.5

Output leakage current

IL(FGS)

VO = VCC

µA

[Speed Discriminator Output]

Output high-level voltage

VOH(D)

VCC – 1.0

VCC – 0.7

Output low-level voltage

VOL(D)

0.4

1.1

[Speed Control PLL Output]

Output high-level voltage

VOH(P)1

4.05

4.35

4.65

VOH(P)2

VCC = 5 V

3.25

3.55

3.83

Output low-level voltage

VOL(P)1

1.85

2.15

2.45

VOL(P)2

VCC = 5 V

1.25

1.55

1.85

[VCO PLL Output]

Output high-level voltage

VOH(VCO)

5.3

5.6

Output low-level voltage

VOL(VCO)

0.4

[Lock Detection]

Output saturation voltage

VOL(LD)

ILD = 10 mA

0.1

0.5

Output leakage current

IL(LD)

VO = VCC

µA

Lock range

–6.25

+6.25

[Integrator]

Input offset voltage

VIO(INT)

–10

Input bias current

IB(INT)

–0.4

+0.4

µA

Output high-level voltage

VOH(INT)

VCC – 1.2

VCC – 0.8

Output low-level voltage

VOL(INT)

0.8

1.2

Open-loop gain

Input bias current

1.6

MHz

Gain-bandwidth product

Reference voltage

VB(INT)

–5%

VCC/2

[Filter Amplifier]

Input bias current

IB(FIL)

–0.4

+0.4

µA

Output high-level voltage

VOH(FIL)

VCC – 1.2

VCC – 0.8

Output low-level voltage

VOL(FIL)

0.8

1.2

Reference voltage

VB(FIL)1

–5%

2.0

VB(FIL)2

VCC = 5 V

1.5

1.6

1.7

Continued from preceding page.

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