LX1688C Ver la hoja de datos (PDF) - Microsemi Corporation

Número de pieza

componentes Descripción

Fabricante

LX1688C

Multiple Lamp CCFL Controller

Microsemi Corporation 

RangeMAX™

LX1688

TM

®

Multiple Lamp CCFL Controller

PRODUCTION DATA SHEET

ELECTRICAL CHARACTERISTICS (CONTINUED)

Parameter

Symbol

Test Conditions

STRIKE AND RAMP GENERATOR (CONTINUED)

Minimum PHA_SYNC-pin output current

I_PHA_SYNC

Minimum RMP_RST-pin output current

I_RMP_RST

Minimum A_SYNC output pulse duty-cycle

DO_ASYNC

Minimum A_SYNC input pulse duty-cycle

DI_ASYNC

Minimum RMP_RST output pulse duty-cycle

DO_RST

Minimum RMP_RST input pulse duty-cycle

DI_RST

OUTPUT BUFFER

Output Sink Current

ISK_OUTBUF

Output Source Current

Output Sink Current

Output Source Current

Output Sink Current

PWM

VSNS threshold voltage

VCOMP Discharge Current

IAMP transconductance

VAMP, IAMP output source current

VAMP, IAMP output sink current

ICOMP discharge current

VAMP transconductance

ICOMP-to-output propagation delay

BIAS

Voltage at Pin I_R

Pin I_R max. source current

Power-on Reset Pulse Width

Minimum VDDSW sourcing Current

VDDSW Off Current

GENERAL

Operating Current

Output buffer operating current

ENABLE logic threshold

ENABLE threshold hysteresis

Sleep-mode current (see table-1 for Pin

ENABLE polarity)

IS_OUTBUF

ISK_OUTBUF

IS_OUTBUF

ISK_OUTBUF

VTH_VSNS

ID_VCOMP

GM_IAMP

IS_IAMP

ISK_IAMP

ID_ICOMP

GM_ICMP

TD_ICOMP

V_IR

IMAX_IR

TPOR

IMIN_VDDSW

IOFF_VDDSW

IDD

IDD_P

VTH_EN

VTH_EN

IDD_SLEEP

IDD_SLEEP

VDD_P Leakage in Sleep Mode

UVLO threshold

UVLO hysteresis

IDD_SLEEP

IDD_SLEEP

VTH_UVLO

VH_UVLO

VSLAVE = 0V

VSLAVE = 0V

VSLAVE = 0V

VSLAVE = VDD

VSLAVE = 0V

VSLAVE = VDD

VAOUT, BOUT = 1V

VDD = 5.5V

VAOUT, BOUT = 4.5V

VDD = 5.5V

VAOUT, BOUT = 1V, VDD = 3V

VAOUT, BOUT = 2V, VDD = 3V

VAOUT, BOUT = 1V, VDD = 5.5V

ΔISNS = 0.2V

VCOMP, ICOMP = 0

VCOMP, ICOMP =VDD

ΔVSNS = 0.1V

CPOR =.1uF

(VDD – VDDSW) < 0.2V

VENABLE = 0.8V, VBEPOL = VDD

VDDSW = 0V

VDD = VDD_P = 5V

VOLSNS = VDD = VDD_P = 5V,

CA = CB = 1000pF

VENABLE = 0.8V

(VBEPOL = VDD or float)

VENABLE = 2.5V

(VBEPOL = VDD or float)

VENABLE = 0.8V

(VBEPOL = VSS)

VENABLE = 2.5V

(VBEPOL = VSS)

Rising turn-on threshold

Falling turn-off hysteresis

LX1688

Min

Typ.

10

10

49

50

48

50

10

17

5

100

100

50

50

100

1.2

1.25

4

100

200

75

75

10

200

500

1100

0.95

50

31

10

25

1

5.5

2

0.8

1.7

0.2

20

20

20

20

2.6

2.8

190

Max Units

‘mA

mA

%

%

%

%

‘mA

‘mA

‘mA

‘mA

‘mA

1.3

V

‘mA

500 µmho

µA

µA

‘mA

800 µmho

nS

1.05

V

µA

mS

‘mA

15

µA

8

mA

4

mA

2.4

V

V

50

50

µA

300

300

2.9

V

mV

Copyright © 2001

Rev. 1.2, 2006-03-09

Microsemi

Integrated Products Division

11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570

Page 4

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