Datasheet > AAT2842_07

AAT2842_07

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
ANALOGICTECH		泵
页数	文件大小	规格书
22页	621K
描述
High-Current Charge Pump with S2Cwire⑩ Control and Dual LDO for Backlight and Flash

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AAT2842_07 数据手册

AAT2842

High-Current Charge Pump with S Cwire™

Control and Dual LDO for Backlight and Flash

Electrical Characteristics

V_IN= 3.6V; C_IN= 4.7µF; C_OUT= 2.2µF; C₁= C₂= 1.0µF; R_BSET= R_FSET= 280kΩ; T_A= -40°C to +85°C, unless

otherwise noted. Typical values are at T_A= 25°C.

Symbol

Description

Conditions

Min

Typ Max Units

Enable/Set

V_BENS(L)

V_FENS(L)

V_BENS(H)

V_FENS(H)

BENS, FENS Low Threshold

BENS, FENS High Threshold

0.4

1.4

-1

BENS, FENS Input Leakage

Current

I_BENS, I_FENS

V_BENSor V_FENS= V_IN= 5V

µA

µs

T_BENS(L)

BENS, FENS Low Time

BENS, FENS Minimum

0.3

T_FENS(L)

T_BENS(H-MIN)

T_FENS(H-MIN)High Time

T_BENS(H-MAX)BENS, FENS Maximum

T_FENS(H-MAX)High Time

T_BENS(OFF)

T_FENS(OFF)

T_BENS(LAT)

T_FENS(LAT)

Linear Regulators

V_FBA, V_FBBFB Voltage Tolerance

I_IN

I_OUTA(MAX)

I_OUTB(MAX)

V_OUTA(DO)

V_OUTB(DO)

BENS, FENS Off Timeout

BENS, FENS Latch Timeout

500

I_OUT= 1mA to 200mA

ENL = IN, BENS = FENS = AGND

1.17

200

1.2

1.23

150

µA

IN Operating Current

OUTA, OUTB Maximum Load

Current

OUTA, OUTB Dropout Voltage I_OUT= 150mA

150

300

0.4

ENL Enable Low Voltage

Threshold

V_ENL(L)

ENL Enable High Voltage

Threshold

ENL Enable Delay

V_ENL(H)

1.4

µs

t_ENL(DLY)

R_OUTA(DCHG)

REF = Open

OUTA, OUTB Auto-Discharge

R_OUTA(DCHG)Resistance

PSRR_A,

PSRR_B

OUTA, OUTB Power Supply

Rejection Ratio

I_OUT=10mA, C_REF= 10nF, 1kHz

1. The AAT2842 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.

2842.2007.09.1.2

1...3 4 567 8 9...22

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