LB1999M datasheet(2/8 Pages) SANYO

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Specifications

Absolute Maximum Ratings at Ta = 25°C

Allowable Operating Ranges at Ta = 25°C

Electrical Characteristics at Ta = 25°C, VCC = 5 V, VS = 15 V

Notes : 1. The torque ripple correction ratio is determined as follows from the Rf voltage waveform.

Continued on next page.

2. Parameters that are indicated as design target values in the conditions column are not tested.

No. 5975-2/8

LB1999M

Parameter

Symbol

Conditions

Ratings

Unit

Maximum supply voltage

VCC max

VS max

Maximum output current

IO max

1.3

Allowable power dissipation

Pd max

Independent device

0.95

Operating temperature

Topr

–20 to + 75

°C

Storage temperature

Tstg

–55 to + 150

°C

Parameter

Symbol

Conditions

Ratings

Unit

Supply voltage

5 to 22

VCC

4.5 to 5.5

Hall input amplitude

VHALL

Between the Hall inputs

±30 to ±80

mVo-p

GSENSE pin input range

VGSENSE

With respect to the control system ground

–0.20 to + 0.20

Parameter

Symbol

Conditions

Ratings

Unit

min

typ

max

VCC supply current

ICC

RL =

∞, VCTL = 0 V (Quiescent)

[Outputs]

VOsat1

IO = 500 mA, Rf = 0.5 Ω, Sink + Source

2.1

2.6

Output saturation voltage

VCTL = VLIM = 5 V (With saturation prevention)

VOsat2

IO = 1.0 A, Rf = 0.5 Ω, Sink + Source

2.6

3.5

VCTL = VLIM = 5 V (With saturation prevention)

Output leakage current

IOleak

1.0

[FR]

FR pin input threshold voltage

VFSR

2.25

2.50

2.75

FR pin input bias current

IB (FSR)

–5.0

µA

[Control]

CTLREF pin voltage

VCREF

2.37

2.50

2.63

CTLREF pin input range

VCREFIN

1.7

3.50

CTL pin input bias current

IB (CTL)

With VCTL = 5 V and the CTLREF pin open

8.0

µA

CTL pin control start voltage

VCTL (ST)

With Rf = 0.5

Ω, VLIM = 5 V, IO ≥ 10 mA,

2.20

2.35

2.50

Hall input logic fixed (U, V, W = H, H, L)

CTL pin control switching voltage

VCTL (ST2) With Rf = 0.5 Ω, VLIM = 5 V

3.00

3.15

3.30

CTL pin control Gm1

Gm (CTL)

With Rf = 0.5

Ω, ∆IO = 200 mA,

0.52

0.65

0.78

A/V

Hall input logic fixed (U, V, W = H, H, L)

CTL pin control Gm2

Gm2 (CTL)

With Rf = 0.5

Ω, ∆VCTL = 200 mV,

1.20

1.50

1.80

A/V

Hall input logic fixed (U, V, W = H, H, L)

[Current Limiter]

LIM current limit offset voltage

Voff (LIM)

With Rf = 0.5

Ω, VCTL = 5 V, IO ≥ 10 mA,

140

200

260

Hall input logic fixed (U, V, W = H, H, L)

LIM pin input bias current

IB (LIM)

With VCTL = 5 V and the VCREF pin open,

VLIM = 0 V

–2.5

µA

LIM pin current control level

ILIM

With Rf = 0.5

Ω, VCTL = 5 V, VLIM = 2.06 V,

830

900

970

Hall input logic fixed (U, V, W = H, H, L)

[Hall Amplifier]

Hall amplifier input offset voltage

Voff (HALL)

–6

Hall amplifier input bias current

IB (HALL)

1.0

3.0

µA

Hall amplifier common-mode input voltage range

VCM (HALL)

1.3

3.3

For the high and low peaks in the Rf waveform

Torque ripple correction ratio

TRC

when IO = 200 mA.

(Rf = 0.5

Ω)*1

[FG Amplifier]

FG amplifier input offset voltage

Voff (FG)

–8

FG amplifier input bias current

IB (FG)

–100

FG amplifier output saturation voltage

VOsat (FG)

Sink side, for the load provided by the internal

0.5

0.6

pull-up resistor

FG bias voltage

VFGBI

2.4

2.5

2.6

FG amplifier common-mode input voltage

VGM (FG)

0.5

4.0

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