UC1625N datasheet(3/15 Pages) TI

部品番号	UC1625N

部品情報	Brushless DC Motor Controller

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メーカー	TI [Texas Instruments]

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UC1625

UC2625

UC3625

ELECTRICAL CHARACTERISTICS: Unless otherwise stated, these specifications apply for: TA = 25

°C; Pwr VCC = VCC = 12V;

ROSC = 20k to VREF; COSC = 2nF; RTACH = 33k; CTACH = 10nF; and all outputs unloaded. TA = TJ.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNITS

PWM Amp/Comparator (cont.)

E/A Out Range

0.25

3.50

V

SSTART Pull-up Current

To 0V

–16

–10

–5

µA

SSTART Discharge Current

To 2.5V

0.1

0.4

3.0

mA

SSTART Restart Threshold

0.1

0.2

0.3

V

Current Amp

Gain

ISENSE1 = .3V, ISENSE2 = .5V to .7V

1.75

1.95

2.15

V/V

Level Shift

ISENSE1 = .3V, ISENSE2 = .3V

2.4

2.5

2.65

V

Peak Current Threshold

ISENSE1 = 0V, Force ISENSE2

0.14

0.20

0.26

V

Over Current Threshold

ISENSE1 = 0V, Force ISENSE2

0.26

0.30

0.36

V

ISENSE1, ISENSE2 Input Current

To 0V

–850

–320

0

µA

ISENSE1, ISENSE2 Offset Current

To 0V

±2

±12

µA

Range ISENSE1, ISENSE2

–1

2

V

Tachometer/Brake

Tach-Out High Level

Over Operating Range, 10k to 2.5V

4.7

5

5.3

V

Tach-Out Low Level

Over Operating Range, 10k to 2.5V

0.2

V

On Time

170

220

280

µs

On Time Change With Temp

Over Operating Range

0.1

%

RC-Brake Input Current

To 0V

–4.0

–1.9

mA

Threshold to Brake, RC-Brake

Over Operating Range

0.8

1.0

1.2

V

Brake Hysteresis, RC-Brake

0.09

V

Speed-In Threshold

Over Operating Range

220

257

290

mV

Speed-In Input Current

–30

–5

30

µA

Low-Side Drivers

Voh, –1mA, Down From VCC

Over Operating Range

1.60

2.1

V Voh, –50mA, Down From VCC

Over Operating Range

1.75

2.2

V

Vol, 1mA

Over Operating Range

0.05

0.4

V

Vol, 50mA

Over Operating Range

0.36

0.8

V

Rise/Fall Time

10% to 90% Slew Time, into 1nF

50

ns

High-Side Drivers

Vol, 1mA

Over Operating Range

0.1

0.4

V

Vol, 50mA

Over Operating Range

1.0

1.8

V

Leakage Current

Output Voltage = 50V

25

µA

Fall Time

10% to 90% Slew Time, 50mA Load

50

ns

Oscillator

Frequency

40

50

60

kHz

Frequency

Over Operating Range

35

65

kHz

Reference

Output Voltage

4.9

5.0

5.1

V

Output Voltage

Over Operating Range

4.7

5.0

5.3

V

Load Regulation

0mA to –20mA Load

–40

–5

mV

Line Regulation

10V to 18V VCC

–10

–1

10

mV

Short Circuit Current

Over Operating Range

50

100

150

mA

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