AAT3190IKS-T1 datasheet(4/16 Pages) ANALOGICTECH

Part #	AAT3190IKS-T1

Description	Positive/Negative Charge Pump for Voltage Bias

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Manufacturer	ANALOGICTECH [Advanced Analogic Technologies]

Direct Link	http://www.analogictech.com

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Electrical Characteristics

V

IN = 5.0V, CREF = 0.1µF, TA = -40°C to +85°C. Unless otherwise noted, typical values are TA = 25°C.

Symbol

Description

Conditions

Min

Typ

Max

Units

V

IN

Input Supply Range

2.7

5.5

V

UVLO

Input Under-Voltage Threshold

V

IN Rising

1.8

V

IN Falling, 40mV Hysteresis (typ)

1.6

I

IN

Input Quiescent Supply Current

V

FBP = 1.5V, VFBN = -0.2V,

400

800

µA

No Load on DRVN and DRVP

I

SD

Shutdown Supply Current

V

EN = 0V

0.1

1.0

µA

F

OSC

Operating Frequency

0.8

1.0

1.2

MHz

Negative Low-Power Charge Pump

V

FBN

FBN Regulation Voltage

-100

0

+100

mV

I

FBN

FBN Input Bias Current

V

FBN = -50mV

-100

+100

nA

R

DSNCHN

DRVN NCH On-Resistance

1.5

5.0

Ω

R

DSPCHMIN

MIN DRVN PCH On-Resistance

V

FBN = 100mV, VIN = 4V

1.0

5.0

Ω

R

DSPCHMAX

MAX DRVN PCH On-Resistance V

FBN = -100mV, VIN = 4V

20

k

Ω

Positive Low-Power Charge Pump

V

FBP

FBP Regulation Voltage

1.15

1.2

1.25

V

I

FBP

FBP Input Bias Current

V

FBP = 1.5V

-60

+100

nA

R

DSPCHP

DRVP PCH On-Resistance

1.0

5.0

Ω

R

DSNCHMIN

MIN DRVP NCH On-Resistance

V

FBP = 1.15V, VIN = 4V

3

15

Ω

R

DSNCHMIN

MAX DRVP NCH On-Resistance V

FBP = 1.25V, VIN = 4V

20

k

Ω

Reference

Reference Voltage

-2.0µA < I

REF < 50µA

1.18

1.2

1.22

V

REF

Reference Under-Voltage

V

REF Rising

0.8

V

Threshold

Logic Signals

V

IL

Input Low Voltage

0.5

V

IH

Input High Voltage

1.5

V

I

IL

Enable Input Low Current

V

IN = 5.0V, FBP = 1.5V, FBN = -0.2V

1

µA

I

IH

Enable Input High Current

V

IN = 5.0V, FBP = 1.5V, FBN = -0.2V

1

µA

Thermal Limit

T

SD

Over-Temperature Shutdown

140

°C

Threshold

T

HYST

Over-Temperature Shutdown

15

°C

Hysteresis

AAT3190

Positive/Negative Charge Pump for Voltage Bias

4

3190.2006.01.1.2

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