AIC1567 Ver la hoja de datos (PDF) - Analog Intergrations

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AIC1567

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

Analog Intergrations 

AIC1567

ELECTRICAL CHARACTERISTICS (Continued)

PARAMETER

TEST CONDITIONS

Reference and DAC

DACOUT Voltage Accuracy

Error Amplifier

DC Gain

Gain-Bandwidth Product

VDAC=1.8V ~3.5V

Slew Rate

Gate Driver

Upper Gate Source

Upper Gate Sink

Lower Gate Source

Lower Gate Sink

Protection

Over-Voltage Trip (VSEN/DACOUT)

OCSET Current Source

VOCSET=4.5VDC

OVP Sourcing Current

VVSEN=5.5V, VOVP=0V

Soft Start Current

Soft Start Sink Current under

Current Limit

Soft Start Sink Current under

Hard Current Limit

VVSEN =VDAC, VOCSET=5.0V,

VPHASE =0V,

VFB=VDAC=50mV

VVSEN =0, VOCSET=5.0V,

VPHASE=0V, VFB=0V

Power Good

Upper Threshold (VVSEN /VDAC ) VVSEN Rising

Lower Threshold (VVSEN / VDAC ) VVSEN Falling

Hysteresis (VVSEN / VDAC )

Upper and Lower Threshold

PGOOD Voltage Low

IPGOOD=5mA

Linear Regulator

VLFB Feedback Voltage

VLFB Bias Current

LIDRI Sourcing Current

Current Limiting Threshold

SYMBOL

GBW

SR

RUGATE

RUGATE

RLGATE

RLGATE

IOCSET

IOVP

ISS

VPGOOD

MIN.

-1.0

106

170

30

106

84

1.18

10

10

TYP. MAX. UNIT

+1.0 %

76

dB

11

MHz

6

V/µS

8.0 12

Ω

5.5 10

Ω

8.0 12

Ω

5.5 10

Ω

115 125 %

200 230 µA

mA

10

µA

130

µA

65

mA

114

%

94

%

2

%

0.5

V

1.21 1.24 V

40

nA

mA

20

30 mV

4

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