Datasheet > AAT3351IWP-T1

AAT3351IWP-T1

更新时间： 2024-01-28 22:43:19

品牌	Logo	应用领域
ANALOGICTECH		/
页数	文件大小	规格书
17页	2077K
描述
Interface Circuit

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技术参数
数据手册

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AAT3351IWP-T1 技术参数

是否Rohs认证：	符合	生命周期：	Obsolete
包装说明：	,	Reach Compliance Code：	unknown
ECCN代码：	EAR99	HTS代码：	8542.39.00.01
风险等级：	5.82	模拟集成电路 - 其他类型：	SWITCHED CAPACITOR REGULATOR
峰值回流温度（摄氏度）：	NOT SPECIFIED	处于峰值回流温度下的最长时间：	NOT SPECIFIED
Base Number Matches：	1

AAT3351IWP-T1 数据手册

PRODUCT DATASHEET

AAT3351

ChargePump

High Efficiency 1x/1.5x Charge Pump

Electrical Characteristics

V_IN= 3.6V; C_IN= C_OUT= 1μF; 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

Input Power Supply

V_IN

Input Voltage Range

-40°C ≤ T_A≤ 85°C

2.7

5.5

1x Mode, I_D1= I_D2= I_D3

= I_D4= OFF

1.5x Mode, I_D1= I_D2= I_D3

= I_D4= OFF

I_IN

Input Operating Current

EN/SET = IN

7.2

I_IN(SHDN)

V_{IN_(TH)}

Shutdown Current

Charge Pump Mode Hysteresis

EN/SET = GND

1x to 1.5x Transition at Any I_DX

μA

0.15

LED Current Sink Outputs

I_{D_(MAX)}

D1-D4 Current Accuracy

EN/SET = S²C DATA 1

EN/SET = S²C DATA 31

0.5

I_{D_(DATA31)}

EN/SET = S²C DATA 1, I_D1= I_D2= I_D3

I_D4= 30mA

I_D1= I_D2= I_D3= I_D4= 30mA, 1.5x to 1x

Mode

ΔI_{(D_X)}/I_{D_AVG)}D1-D4 Current Matching¹

±3

V_{D_(TH)}

Hysteresis for Mode Change

0.15

0.25

I_OUT(MAX)

f_OSC

V_{D_(TH)}

t_SS

Charge Pump Maximum Output Current

Clock Frequency

Charge Pump Mode Transition Threshold

Charge Pump Startup Time

V_IN= 3.0V, V_F= 4.0V

150

0.15

150

MHz

EN/SET = IN; V_IN- V_F= 1V

μs

EN/SET S²Cwire Control

V_ENH

V_ENL

I_EN(LKG)

EN/SET Input High Threshold Voltage

1.4

-1

EN/SET Input Low Threshold Voltage

EN Input Leakage Current

EN/SET Minimum High Time

EN/SET Maximum High Time

EN/SET Input Low Time

0.4

EN/SET = IN = 5V

μA

μs

t_{EN/SET(HI_MIN)}

t_{EN/SET(HI_MAX)}

t_EN/SET(LOW)

t _EN/SET(OFF)

t_EN/SET(LAT)

500

0.3

EN/SET Input OFF Timeout

EN/SET Input Latch Timeout³

1. LED current match is defined as 100 (I_DX- I_AVG)/I_AVG

2. 1x mode output impedance is defined as (V_IN- V_OUT)/I_OUT

3. If the part has been shut down, the latch time will be 500μs longer for soft start of charge pump.

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

3351.2009.06.1.1

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