HV9605NG Ver la hoja de datos (PDF) - Supertex Inc

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componentes Descripción

Fabricante

HV9605NG

High Voltage Current Mode PWM Controller for ISDN Equipment

Supertex Inc 

Electrical Characteristics (continued)

Symbol

Parameters

Min

Typ

Max Unit Conditions

PWM

DMAX

DMIN

Maximum duty cycle

Minimum duty cycle

49.0

49.9

0

%

fOUT = 20KHz

%

Minimum pulse width before pulse drop out

80

125 nsec

HV9605

Reference

VREF

VREF

VREF

VREF

Reference output voltage

Load regulation

Line regulation

Reference output voltage

Long term stability

IREF(SHORT) Short circuit current

Current Sensing

VCS

VCS (LIMIT)

tDELAY

Usable control current sense range

Current limit threshold

Current limit delay to output

Error Amplifier

VFB

Feedback voltage

IFB or INI

VOS

VCM

AVOL

BW

ISOURCE

ISINK

PSRR

Input bias current

Input offset voltage

Common mode input range

Open loop voltage gain

Unity gain bandwidth

Output current sourcing

Output current sinking

Power supply rejection

Status Output

ISINK

Output current sinking

ISOURCE

Output current sourcing

VSTATUS(HIGH) High output voltage

VSTATUS(LOW) Low output voltage

tR

Rise time

1.176 1.200 1.224

V

TA = 25°C

1.0

5.0

mV 0 < IREF < 0.3mA

2.0

5.0

mV 3.0V < VDD < 5.5V

1.159 1.200 1.241

V

-40°C < TA < 85°C

3.0

mV TA = 125°C, 1000hrs

0.5

1.0

mA VREF = SGND

VCS (limit) V

0.6

0.7

0.8

V

90

120

nsec VCS = 1.5V

1.188

0

65

1.0

2

50

1.200

25

5.0

90

1.5

-2

4

72

1.212

200

25

VDD-1

-1

V

nA

mV

V

dB

MHz

mA

mA

dB

REF shorted to NI, FB

shorted to Comp, TA = 25°C

VFB = 3.0V, VNI = 2.5V

VFB < VNI

VFB > VNI

4.5V < VDD < 5.5V, f=1KHz

5.0

5.0

VDD-0.2

10

10

1.0

0.02

1.0

5.0

15

VDD

2.0

0.04

mA

µA

V

V

V

msec

VSTATUS = 2.0V

No load

Sinking 5mA

Sinking 100µA

4.7nF From Status to GND

11/30/98

3

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