Datasheet > BL3406B-1.2V

BL3406B-1.2V

更新时间： 2022-02-26 10:23:05

品牌	Logo	应用领域
上海贝岭 - BELLING		/
页数	文件大小	规格书
11页	462K
描述
1.5 MHz, 800mA Synchronous Buck Converter

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BL3406B-1.2V 数据手册

BL3406B

1.5 MHz, 800mA Synchronous Buck Converter

ꢀ

(Note 5)

Electrical Characteristics

(V_INꢀ=V_RUN=ꢀ3.6V,ꢀTAꢀ=ꢀ25°C,ꢀunlessꢀotherwiseꢀnoted.)ꢀ

Parameter

Conditions

MIN

TYP

MAX

Unit

InputꢀVoltageꢀRangeꢀ ꢀꢀ

2.5ꢀ

ꢀ

5.5ꢀ

Vꢀ

InputꢀDCꢀSupplyꢀCurrentꢀ ꢀ

ActiveꢀModeꢀ

ꢀ

V_FB=0.5VꢀorꢀV_OUT=90%ꢀ

V_FB=0V,ꢀV_IN=4.2Vꢀ

T_Aꢀ=ꢀ+25°Cꢀ

ꢀ

180ꢀ

0.1ꢀ

300ꢀ

1.0ꢀ

µAꢀ

Vꢀ

ShutdownꢀModeꢀ

0.5880ꢀ 0.6000ꢀ 0.6120ꢀ

0.5865ꢀ 0.6000ꢀ 0.6135ꢀ

0.5850ꢀ 0.6000ꢀ 0.6150ꢀ

RegulatedꢀFeedbackꢀ

Voltageꢀ

T_A=ꢀ0°Cꢀ≤ꢀT_Aꢀꢀ≤ꢀ85°Cꢀ

T_A=ꢀꢂ40°Cꢀ≤ꢀT_Aꢀꢀ≤ꢀ85°Cꢀ

Vꢀ

V_FBꢀInputꢀBiasꢀCurrentꢀ

V_FBꢀ=ꢀ0.65Vꢀ

ꢀ

±30ꢀ

0.4ꢀ

nAꢀ

ReferenceꢀVoltageꢀLineꢀ

Regulationꢀ

V_INꢀ=ꢀ2.5Vꢀtoꢀ5.5Vꢀ

0.04ꢀ

%/Vꢀ

BL3406Bꢂ1.2,ꢀꢂ40°Cꢀ≤ꢀT_Aꢀꢀ≤ꢀ85°Cꢀ

BL3406Bꢂ1.8,ꢀꢂ40°Cꢀ≤ꢀT_Aꢀꢀ≤ꢀ85°Cꢀ

∆V_OVLꢀ=ꢀV_OVLꢀ–ꢀV_FB,ꢀAdjustableꢀVersionꢀ

1.164ꢀ 1.200ꢀ 1.236ꢀ

1.746ꢀ 1.800ꢀ 1.854ꢀ

Vꢀ

RegulatedꢀOutputꢀVoltageꢀ

OutputꢀOvervoltageꢀ

Lockoutꢀ

20ꢀ

50ꢀ

80ꢀ

mVꢀ

∆V_OVLꢀ=ꢀV_OVLꢀ–ꢀV_OUT,ꢀFixedꢀVersionꢀ

2.5ꢀ

7.8ꢀ

13ꢀ

%ꢀ

Aꢀ

ꢀ

OutputꢀVoltageꢀLineꢀ

Regulationꢀ

OutputꢀVoltageꢀLoadꢀ

Regulationꢀ

V_INꢀ=ꢀ2.5Vꢀtoꢀ5.5Vꢀ

ꢀ

0.04ꢀ

0.5ꢀ

0.40ꢀ

ꢀ

V_IN=3V,ꢀV_FB=0.5VꢀorꢀV_OUT=90%ꢀ

DutyꢀCycleꢀ<35%ꢀ

PeakꢀInductorꢀCurrentꢀ

1.2ꢀ

OscillatorꢀFrequencyꢀ

V_FB=0.6VꢀorꢀV_OUT=100%ꢀ

I_SWꢀ=ꢀ300mAꢀ

1.2ꢀ

ꢀ

1.5ꢀ

1.8ꢀ

MHzꢀ

ꢃꢀ

R_DS(ON)ꢀofꢀPꢂCHꢀMOSFETꢀ

0.40ꢀ

0.50ꢀ

R_DS(ON)ꢀofꢀNꢂCHꢀMOSFETꢀ

SWꢀLeakageꢀCurrentꢀ

I_SWꢀ=ꢀꢂ300mAꢀ

ꢀ

0.35ꢀ

0.45ꢀ

±1ꢀ

ꢃꢀ

V_RUNꢀ=ꢀ0V,ꢀV_SW=ꢀ0Vꢀorꢀ5V,ꢀV_INꢀ=ꢀ5Vꢀ

±0.01ꢀ

µAꢀ

RUNꢀThresholdꢀ

RUNꢀLeakageꢀCurrentꢀ

ꢂ40°Cꢀ≤ꢀT_Aꢀ≤ꢀ85°Cꢀ

ꢀ

0.3ꢀ

ꢀ

1.1ꢀ

±0.01ꢀ

1.30ꢀ

±1ꢀ

Vꢀ

µAꢀ

Note 5: 100%ꢀproductionꢀtestꢀatꢀ+25°C.ꢀꢀSpecificationsꢀoverꢀtheꢀtemperatureꢀrangeꢀareꢀguaranteedꢀbyꢀdesignꢀandꢀ

characterization.

ꢀ

PPMIC BU

BL3406B Rev 1.5

10/2009

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