ta9687

CONFIDENTIAL

ta9687-DS-1.0

Page 3

ELECTRICAL CHARACTERISTICS

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

Parameter

Symbol

Test Conditions

Limits

Unit

Min

Typ

Max

Supply Current

Stand By

Idds

ENA=0V

--

2

5

µA

Operating

Idd

Capacitance at NDR1/2

& PDR1/2 = 1nF

1.6

1.9

2.2

mA

Soft Start

Current Source

ISSTCMP

1.90

2.55

3.20

µA

Under Voltage Lockout

Lock Out Threshold

VUV,TH-OFF

VDDA 5V 0V

3.2

3.4

3.6

V

Resume Threshold

VUV,TH-ON

VDDA 0V 5V

3.3

3.6

4.0

V

Reference Voltage

ISEN=SSTCMP

1.17

1.23

1.29

V

ISEN Reference Voltage

Temperature Coefficient

330

ppm/

OC

VSEN=SSTCMP

2.75

2.9

3.05

V

VSEN Reference Voltage

During Striking

Temperature Coefficient

340

ppm/

OC

Driver Frequency

RRT1 = 300K

61.5

63.8

66.0

KHZ

Striking

fstr

Temperature Coefficient

200

ppm/

OC

48.0

49.5

51.0

kHz

Normal Operation

Fop

Temperature Coefficient

180

ppm/

OC

Timer and Protection

Striking Current Source

ISEN =0V

2.2

3.0

3.8

uA

Open Lamp and Over Voltage

Protection Current Source

SSTCMP > 3.3V or

VSEN>OVPT

8.1

10.85

13.6

uA

Drivers

NDR1/2 Sink

RON_SRC, NDR

2

6

10

Ω

NDR1/2 Source

RON_SNK, NDR

10

16

22

Ω

PDR1/2 Sink

RON_SRC, PDR

6

12

18

Ω

PDR1/2 Source

RON_SNK, PDR

5

9

13

Ω

Maximum Overlap ratio

95

--

--

%

100

175

250

ns

BBM1&4(PDR_L+NDR_L)

400

ppm/C

100

175

250

ns

BBM2&3(PDR_H+NDR_H)

800

ppm/C