AZ34063A Datasheet, PDF(5/13 Page) List of Unclassifed Manufacturers – 1.5A STEP-DOWN/STEP-UP/INVERTING DC-DC CONVERTER

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AZ34063A Datasheet, PDF (5/13 Pages) List of Unclassifed Manufacturers – 1.5A STEP-DOWN/STEP-UP/INVERTING DC-DC CONVERTER

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Preliminary Datasheet

1.5A STEP-DOWN/STEP-UP/INVERTING DC-DC CONVERTER

AZ34063A

Electrical Characteristics

(VCC = 5.0 V, TA = -40 to 85oC, unless otherwise specified.)

Parameter

Symbol

Conditions

Min Typ Max Unit

OSCILLATOR

Frequency

fOSC

VPin 5 = 0 V, CT = 1.0 nF

TA = 25oC

30 38 45 KHz

Charge Current

Discharge Current

ICHG

IDISCHG

VCC = 5.0 V to 36 V, TA = 25oC 30

VCC = 5.0 V to 36 V, TA = 25oC 180 240 290 PA

Discharge to Charge Current IDISCHG/ICHG Pin 7 to VCC, TA = 25oC

Ratio

5.2 6.5 7.5

Current Limit Sense Voltage VIPK(sense) ICHG = IDISCHG, TA = 25oC

OUTPUT SWITCH (Note 3)

Saturation Voltage,

Dalington Connection

VCE(sat) ISW = 1.0 A,

Pins 1, 8 connected

Saturation Voltage (Note 4.)

DC Current Gain

Collector Off-State Current

COMPARATOR

VCE(sat)

hFE

IC(off)

ISW = 1.0 A, RPin 8 = 82 : to

VCC, Forced E = 20

ISW = 1.0 A, VCE = 5.0 V,

TA = 25oC

VCE = 36 V

Threshold Voltage

Threshold Voltage Line

Regulation

VTH

REGLINE

TA = 25oC

TA = -40 to 85oC

VCC = 3.0 V to 36 V

Input Bias Current

TOTAL DEVICE

Supply Current

IIB

VIN = 0 V

ICC

VCC = 5.0 V to 36 V, CT = 1.0

nF,

Pin 7 = VCC, VPin 5 > VTH,

250 300 350 mV

1.0 1.3 V

0.45 0.7 V

50 75

0.01 100 PA

1.225

1.275

1.21 1.250 1.29 V

1.4 5 mV

-20 -400 nA

4 mA

Note 3: Low duty cycle pulse technique are used during test to maintain junction temperature as close to ambient temperature

as possible.

Note 4: If the output switch is driven into hard saturation (non-Darlington configuration) at low switch currents (d 300mA) and

high driver currents (t 30mA), it may take up to 2.0us for it to come out of saturation. This condition will shorten the off time

at frequencies 30KHz, and is magnified at high temperatures. This condition does not occur with a Darlington configuration,

since the output switch cannot saturate. If a non-Darlington configuration is used, the following output drive condition is rec-

ommended:

Apr. 2005 Rev. 1. 2

BCD Semiconductor Manufacturing Limited

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