AMC7660DM datasheet(3/11 Pages) ADDTEK

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AMC7660

DD057_C

JUNE 2006

RECOMMENDED OPERATING CONDITIONS

Recommended Operating

Parameter

Symbol

Min.

Typ.

Max.

Units

Comparator Input Voltage

VIR

-0.3 to + 40

Switch Collector Voltage

VOC1

Switch Emitter Voltage (VPin1=40V)

VE1

Switch Collector to Emitter Voltage

VCE1

Driver Collector Voltage

VC2

Driver Collector Current (Note 1)

IC2

100

Switch Current

ISWITCH

1.5

Oscillator Timing Capacitor (connected to CT pin)

1.0

Operating Ambient Temperature Range

0 to +70

°C

Note 1: Maximum package power dissipation limits must be observed.

ELECTRICAL CHARACTERISTICS

VCC=5.0 V, TA=0

OC to 70 OC, unless otherwise specified.

AMC7660

Parameter

Symbol

Test Conditions

Min. Typ. Max.

Units

OSCILLATOR

Frequency

Fosc

VIN- = 0 V, CT = 1.0 nF, TA = 25

KHz

Charge Current

Ichg

VCC = 5.0 V to 40 V, TA = 25

µA

Discharge Current

Idischg

VCC = 5.0 V to 40 V, TA = 25

140

220

260

µA

Discharge to Charge Current Ratio

Idischg/Ichg IS to VCC, TA = 25

5.2

6.5

7.5

Current Limit Sense Voltage

VIS

Ichg = Idischg, TA = 25

250

300

350

OUTPUT SWITCH

Saturation Voltage, Darlington Connection

VCE1(sat)

ISW = 1.0 A, OC1, OC2 connected

0.9

1.3

Saturation Voltage

VCE1(sat)

ISW = 1.0 A, 82 Ω connected from

OC2 to VCC, Forced β = 20

0.4

0.7

DC Current Gain

hFE

ISW = 1.0 A, VCE = 5.0 V, TA = 25

Collector Off－State Current

IC(off)

VCE = 40 V

0.01

100

µA

COMPARATOR

TA = 25

1.23

1.25

1.27

Threshold Voltage

Vth

TA =0

OC to 70 OC

1.22

1.28

Threshold Voltage Line Regulation

Vth(line)

VCC = 3.0 V to 40 V

1.4

5.6

Input Bias Current

IIB

VIN- = 0 V

-20

-400

TOTAL DEVICE

Supply current

ICC

VCC = 5.0 V to 40 V,

CT = 1.0nF, Pin 7 = VCC,

VIN- > Vth, Pin 2= Gnd, remaining

pins open

3.0

3.9

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