AT1393/A/B/C

Preliminary Product Information

6-Channel DC-DC Converter IC for DSC

2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.

Tel: 886-3-563-0878

Fax: 886-3-563-0879

4

Electrical characteristics

(Ta=25℃, VCC=PVCC=5V)

Value

Parameter

Symbol

Condition

Min

Typ Max

Unit

Reference voltage

V

REF

--

2.40

2.50

2.60

V

Output voltage

temperature

stability

△

V

REF

/V

REF

Ta = -30℃ to 85℃

--

0.5

--

%

Input stability

Line

VCC=3.6 to 5.5V

-10

--

10

mV

Load stability

Load

VREF=0mA to –1mA

-10

--

10

mV

Threshold voltage

V

TH

VIN=0V to VCC

2.6

2.8

3.0

V

Hysteresis width

V

H

--

--

0.2

--

V

Reset voltage

V

RST

VIN=VCC to 0V

1.20

1.30

1.40

V

Threshold voltage

V

TH

VIN=0V to VCC

1.35

1.5

1.65

V

Charge current

I

CS

--

-1.4

-1.0

-0.6

μ

A

Charge current

I

CIN6

-3.0

-2.5

-2.0

μ

A

Threshold voltage

V

TH

--

0.65

0.70

0.75

V

Input standby

voltage

V

STB

--

--

50

100

mV

Input latch voltage

V

I

--

--

50

100

mV

Input source

current

I

CSCP

--

-1.4

-1.0

-0.6

μ

A

Oscillator

frequency

f

OSC

CT=100pF, RT=18kΩ

450

500

550

kHz

Frequency

stability for

voltage

△f

/fdv

VCC=4V to 5.5V

--

1

10

%

Frequency

stability for

temperature

△f

/fdt

Ta=-30℃ to 85℃

--

1

20

%

Threshold voltage

V

TH

FB=IN

1.24

1.25

1.26

V

V

stability

△

V

--

0.5

--

%