Datasheet > AAT2860IMK-3-T1

AAT2860IMK-3-T1

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
ANALOGICTECH		驱动器
页数	文件大小	规格书
23页	2894K
描述
Backlight/Flash LED Driver and Multiple LDO Lighting Management Unit

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AAT2860IMK-3-T1 数据手册

PRODUCT DATASHEET

AAT2860

ChargePump

Backlight/Flash LED Driver and Multiple LDO Lighting Management Unit

Electrical Characteristics¹

V_IN= 3.6V; C_IN= 4.7µF; C_OUT= C_{LDO(A, B, C)}= 2.2μF; C1 = C2 = 1µF; T_A= -40°C to +85°C, unless otherwise noted.

Typical values are T_A= 25°C.

Symbol

Description

Conditions

Min Typ Max Units

LDO Regulators

I_LDO= 1mA to 300mA; T_A= 25°C

-1.5

-3

+1.5

ΔV_LDO[A/B/C]

V_LDO[A/B/C]

LDOA, LDOB, LDOC Output

Voltage Tolerance

_LDO= 1mA to 300mA; T_A= -40°C to +85°C

LDOA, LDOB, LDOC Maximum

Load Current

LDOA, LDOB, LDOC Dropout

Voltage²

I_{LDO[A/B/C](MAX)}

300

%/V

V_{LDO[A/B/C](DO)}

∆V_LDO

V_LDO[A/B/C]≥ 2.7V; I_LDO= 150mA

V_IN= (V_LDO[A/B/C]+ 1V) to 5V

I_LDO[A/B/C]=10mA, 1kHz

0.09

150

Line Regulation

V_LDO*∆V_IN

LDOA, LDOB, LDOC Power

Supply Rejection Ratio

PSRR_[A/B/C]

LDOA, LDOB, LDOC Auto-

Discharge Resistance

R_{LDO_(DCHG)}

I²C Logic and Control Interface

SDA, SCL, LED_SEL, FL_LVL,

LDO_SEL Input Low Threshold

SDA, SCL, LED_SEL, FL_LVL,

LDO_SEL Input High Threshold

SDA, SCL, LED_SEL, FL_LVL,

V_IL

V_IH

I_IN

2.7V ≤ V_IN≤ 5.5V

0.4

2.7V ≤ V_IN≤ 5.5V

1.4

-1

SDA = SCL = LED_SEL = FL_LVL = LDO_SEL = 5V

µA

LDO_SEL Input Leakage Current

f_SCL

t_LOW

t_HIGH

t_{HD_STA}

t_{SU_STA}

t_{SU_DAT}

t_{HD_DAT}

t_{SU_STO}

SCL Clock Frequency

SCL Clock Low Period

SCL Clock High Period

Hold Time START Condition

Setup Time for Repeat START

SDA Data Setup Time

SDA Data HOLD Time

Setup Time for STOP Condition

400

kHz

µs

1.3

0.6

500

0.5

0.6

Bus Free Time Between STOP

and START Conditions

t_BUF

1.3

µs

1. The AAT2860 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.

2. V_DO[A/B/C]is defined as V_IN– LDO[A/B/C] when LDO[A/B/C] is 98% of nominal.

w w w . a n a l o g i c t e c h . c o m

2860.2008.05.1.0

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