TA9687GN Просмотр технического описания (PDF) - O2Micro International

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TA9687GN

LCDM Inverter Controller / 16 SOP Lead-Free

O2Micro International 

ta9687

ELECTRICAL CHARACTERISTICS

All specifications below are at: VDDA=5V; RCT = 84.5KΩ; CCT = 220pF unless otherwise noted.

Parameter

Supply Current

Stand By

Operating

Soft Start

Current Source

Under Voltage Lockout

Lock Out Threshold

Resume Threshold

Reference Voltage

ISEN Reference Voltage

VSEN Reference Voltage

During Striking

Driver Frequency

Striking

Normal Operation

Timer and Protection

Striking Current Source

Open Lamp and Over Voltage

Protection Current Source

Drivers

NDR1/2 Sink

NDR1/2 Source

PDR1/2 Sink

PDR1/2 Source

Maximum Overlap ratio

BBM1&4(PDR_L+NDR_L)

BBM2&3(PDR_H+NDR_H)

Symbol

Test Conditions

Limits

Min

Typ

Max

Idds

ENA=0V

--

2

5

Idd

Capacitance at NDR1/2

& PDR1/2 = 1nF

1.6

1.9

2.2

ISSTCMP

1.90 2.55 3.20

VUV,TH-OFF

VUV,TH-ON

VDDA 5VÆ0V

VDDA 0VÆ5V

3.2

3.4 3.6

3.3

3.6

4.0

ISEN=SSTCMP

1.17 1.23 1.29

Temperature Coefficient

330

VSEN=SSTCMP

2.75

2.9

3.05

Temperature Coefficient

340

RRT1 = 300K

61.5 63.8 66.0

fstr

Temperature Coefficient

200

48.0 49.5 51.0

Fop

Temperature Coefficient

180

ISEN =0V

SSTCMP > 3.3V or

VSEN>OVPT

2.2

3.0

3.8

8.1 10.85 13.6

RON_SRC, NDR

RON_SNK, NDR

RON_SRC, PDR

RON_SNK, PDR

2

6

10

10

16

22

6

12

18

5

9

13

95

--

--

100

175

250

400

100

175

250

800

Unit

µA

mA

µA

V

V

V

ppm/ OC

V

ppm/ OC

KHZ

ppm/ OC

kHz

ppm/ OC

uA

uA

Ω

Ω

Ω

Ω

%

ns

ppm/C

ns

ppm/C

CONFIDENTIAL

ta9687-DS-1.0

Page 3

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