AIC1567 datasheet(4/7 Pages) AIC

Part #	AIC1567

Description	5-bit DAC, Synchronous PWM Power Regulator with Linear Controller

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Manufacturer	AIC [Analog Intergrations Corporation]

Direct Link	http://www.analog.com.tw

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4 / 7 page

AIC1567

4

ELECTRICAL CHARACTERISTICS (Continued)

PARAMETER

TEST CONDITIONS

SYMBOL

MIN.

TYP.

MAX.

UNIT

Reference and DAC

DACOUT Voltage Accuracy

VDAC=1.8V ~3.5V

-1.0

+1.0

%

Error Amplifier

DC Gain

76

dB

Gain-Bandwidth Product

GBW

11

MHz

Slew Rate

SR

6

V/

µS

Gate Driver

Upper Gate Source

RUGATE

8.0

12

Ω

Upper Gate Sink

RUGATE

5.5

10

Ω

Lower Gate Source

RLGATE

8.0

12

Ω

Lower Gate Sink

RLGATE

5.5

10

Ω

Protection

Over-Voltage Trip (VSEN/DACOUT)

106

115

125

%

OCSET Current Source

VOCSET=4.5VDC

IOCSET

170

200

230

µA

OVP Sourcing Current

VVSEN=5.5V, VOVP=0V

IOVP

30

mA

Soft Start Current

ISS

10

µA

Soft Start Sink Current under

Current Limit

VVSEN =VDAC, VOCSET=5.0V,

VPHASE =0V,

VFB=VDAC=50mV

130

µA

Soft Start Sink Current under

Hard Current Limit

VVSEN =0, VOCSET=5.0V,

VPHASE=0V, VFB=0V

65

mA

Power Good

Upper Threshold (VVSEN /VDAC )VVSEN Rising

106

114

%

Lower Threshold (VVSEN / VDAC )VVSEN Falling

84

94

%

Hysteresis (VVSEN / VDAC )

Upper and Lower Threshold

2

%

PGOOD Voltage Low

IPGOOD=5mA

VPGOOD

0.5

V

Linear Regulator

VLFB Feedback Voltage

1.18

1.21

1.24

V

VLFB Bias Current

40

nA

LIDRI Sourcing Current

10

mA

Current Limiting Threshold

10

20

30

mV

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