Datasheet > AAT3140ITP-T1

AAT3140ITP-T1

更新时间： 2022-12-19 08:41:12

品牌	Logo	应用领域
AAT		泵
页数	文件大小	规格书
16页	479K
描述
High Efficiency 1X/1.5X/2X Charge Pump for White LED Applications

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AAT3140ITP-T1 数据手册

AAT3140

High Efficiency 1X/1.5X/2X Charge Pump

for White LED Applications

Electrical Characteristics

C_IN= C_CP= C₁= C₂= 1.0µF; T_A= -40°C to +85°C, unless otherwise noted. Typical values are T_A= 25°C,

V_IN= 3.5V.

Symbol

Description

Conditions

Min Typ Max Units

Input Power Supply

V_IN

Operation Range

2.7

5.5

µA

VD1:D4 = 2.0V, CP = 1X

No Load Current, CP = 1.5X

V_IN= 3.5V, EN/SET = 0

V_IN= 3.5V, T_A= 25°C

550

I_cc

Operating Current

I_SHDN

I_DX

I_(D-Match)

Shutdown Current

Output Current Accuracy

Current Matching

-10

-3

VD1:D4 = 3.6V, V_IN= 3.5V

0.5

V_IN= 3.5V, I_OUT(TOTAL)= 120mA,

η_CP

Charge Pump Section Efficiency

Measured from IN to CP

Charge Pump Section

T_SS

F_CLK

Soft-Start Time

Clock Frequency

µs

MHz

EN/SET

V_EN(L)

V_EN(H)

T_{EN/SET LO}

T_{EN/SET HI MIN}Minimum EN/SET High Time

T_{EN/SET HI MAX}Maximum EN/SET High Time

Enable Threshold Low

Enable Threshold High

EN/SET Low Time

V_IN= 2.7V

V_IN= 5.5V

0.4

1.4

0.3

µs

µA

500

T_OFF

T_LAT

I_EN/SET

EN/SET Off Timeout

EN/SET Latch Timeout

EN/SET Input Leakage

V_EN/SET= 5.5V, V_IN= 5.5V

-1

1. The AAT3140 is guaranteed to meet performance specifications over the -40°C to +85°C operating temperature range and is assured

by design, characterization, and correlation with statistical process controls.

2. Codes 2 through 7 are guaranteed to be within 15% of stated current level.

3. Current matching is defined as I_(D-Match)= (I_D- I_AVE)/I_AVE

3140.2007.03.1.3

1 2 345 6 7...16

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