AAT2610 参数 Datasheet PDF下载

PRODUCT DATASHEET

AAT2610

7-Channel PMU for Digital Still Cameras

Electrical Characteristics

1

Unless otherwise noted V

PVSU

=V

PVM

= V

PVSD1

= V

PVSD2

=3.6V, T

A

=-40°C to +85°C.

Symbol

Description

Conditions

Min

3.0

1.0

0.59

1.5

0.7

0.60

1.75

0.85

200

100

80

100

-100

95

0.01

0.1

75

120

20

mA

V

SUSD

= GND

SD1/SD2 Regulation to V

SEQ(L)

Transition

EN_SU = V

PVSU

, FBSU = 1.5V

0.1mA into SEQ pin

0.60

T

A

= 25°C

0.59

0.6

100

-100

0.60

0.7

100

0.01

0.1

500

650

250

450

20

2,048

20

2,048

10,000

0.1

0.01

OSC Cyc

OSC Cyc

μA

V

V

V

A

mA

%

nA

μA

mΩ

mΩ

mΩ

mΩ

mA

OSC Cyc

+100

5

Typ

Max

5.5

V

IN

0.61

Units

V

V

V

A

A

mA

mA

%

nA

μA

mΩ

mΩ

Main DC-DC Buck (Step-Down) or Boost (Step-Up) Converter

Main Output Step-Up Voltage Range

V

SUSD

= V

PVSU

V

OUT(M)

V

FBM

Main Output Step-Down Voltage Range

V

SUSD

= GND; V

PVM

must be greater than

V

OUT(M)

T

A

= 25°C

V

SUSD

= V

PVSU

V

SUSD

= GND

V

SUSD

= V

PVSU

V

SUSD

= GND

1.6

≤

V

IN

≤

5.0V, V

SUSD

= V

PVSU

1.6

≤

V

IN

≤

5.0V, V

SUSD

= GND

V

FBSU

= 0.6V

V

LXSU

= V

OUT(M)

= 5.5V

FBM Reference Voltage

Step-Up Mode Current Limit

I

LIMIT(M)

Step-Down Mode Current Limit

Step-Up

Light Load Mode Current

Threshold

I

MODE(M)

Step-Down

Light Load Mode Current

Threshold

Step-Up Maximum Duty Cycle

D

MAX(M)

Step-Down Maximum Duty Cycle

FBM Pin Leakage Current

I

LEAK(FBM)

LXM Pin Leakage Current

I

LEAK(LXM)

N-Channel

R

DSON

P-Channel

Step-Up Mode N-Channel Turn-Off

Current

I

OFF(M)

Step-Down Mode N-Channel Turn-Off

Current

Soft-Start Interval

t

SOFT-START

Sequencing Time Delay

T

SEQ

SEQ Pin Leakage Current

I

LEAK(SEQ)

SEQ Low Output Voltage

V

SEQ(L)

SD1/2 DC-DC Step-Down (Buck) Converters

SD1/SD2 Step-Down Output Voltage

V

OUT(SD1/SD2)

Range

FBSD1, FBSD2 Reference Voltage

V

FB(SD1/SD2)

P-Channel Current Limit

I

LIMIT(SD1/SD2)

I

MODE(SD1/SD2)

SD1

Light Load Mode Current Threshold

Maximum Duty Cycle

D

MAX(SD1/SD2)

I

LEAK(FBSD1/SD2)

FBSD1, FBSD2 Pin Leakage Current

I

LEAK(LXSD1/SD2)

LXSD1, LXSD2 Pin Leakage Current

N-Channel

R

DSON(SD1)

P-Channel

N-Channel

R

DSON(SD2)

P-Channel

N-Channel Turn-Off Current

I

OFF

Soft-Start Interval

T

SOFTSTART

V

SUSD

= V

PVSU

1

0.1

V

IN

0.61

1.6

≤

V

PVSU

≤

5.0V, V

SD1/2

= 0.60V

V

FBSD1/SD2

= 0.6V

V

LXSD1/SD2

= 0 to 3.6V

+100

5

1. The AAT2610 is guaranteed to meet performance specifications over the -40°C to +85°C operating temperature range and is assured by design, characterization, and correla-

tion with statistical process controls.

8

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