Datasheet > A80606

A80606

更新时间： 2022-06-24 15:42:43

品牌	Logo	应用领域
急速微 - ALLEGRO		/
页数	文件大小	规格书
41页	5340K
描述
High Power LED Driver with Pre-Emptive Boost

阅读下载

获取价格

数据手册

如果您发现信息不准确，欢迎纠错

A80606 数据手册

A80606 and

A80606-1

High Power LED Driver with Pre-Emptive Boost

for Ultra-High Dimming Ratio and Low Output Ripple

ELECTRICAL CHARACTERISTICS ^[1]: Unless otherwise noted, speciﬁcations are valid at V_IN= 12 V, T_J= 25°C, • indicates speciﬁca-

tions guaranteed over the full operating temperature range with T_J= –40°C to 125°C, typical speciﬁcations are at T_J= 25°C

Characteristics

INPUT VOLTAGE SPECIFICATIONS

Operating Input Voltage Range ^[3]

VIN UVLO Start Threshold

VIN UVLO Stop Threshold

UVLO Hysteresis ^[2]

Symbol

Test Conditions

Min.

Typ.

Max.

Unit

V_IN

●

4.5

−

–

V_UVLO(rise)

V_UVLO(fall)

V_{UVLO_HYS}

V_INrising

V_INfalling

4.45

4.05

500

−

–

300

400

INPUT CURRENTS

EN and PWM = H, C_GATE= 1 nF from GDRV to

PGND, f_SW= 2 MHz

VIN Pin Operating Current

I_OP

●

−

VIN Pin Quiescent Current

VIN Pin Sleep Current

I_Q

EN = H and PWM = L, f_CLKOUT= 2 MHz

V_IN= 16 V, V_EN/ V_PWM= V_SYNC= 0 V

●

−

µA

I_SLEEP

INPUT LOGIC LEVELS (EN, PWM, ADIM)

Input Logic Level-Low

Input Logic Level-High

V_IL

V_IH

R_EN, R_PWMInput = 5 V

●

−

0.4

−

1.5

−

100

140

kΩ

kΩ

Input Pull-Down Resistor

R_ADIM

Input = 5 V

OUTPUT LOGIC LEVELS (CLKOUT)

Output Logic Level-Low

V_OL

V_OH

5 V < V_IN< 40 V, i_LOAD= 1 mA

f_SW= 2 MHz, no external sync

External sync = 260 kHz to 2.3 MHz

●

−

1.8

−

0.3

−

Output Logic Level-High

CLKOUT Duty Cycle

D_CLKOUT

t_CLKNPW

200

−

CLKOUT Negative Pulse Width

ANALOG DIMMING (ADIM)

i_ADIM50

i_ADIM25

f_APWM

DC 1.0 V applied to ADIM pin

DC 0.5 V applied to ADIM pin

Clock signal applied to ADIM pin

−

Analog Dimming Current Level

(shown as % of full-scale current)

APWM Frequency Range ^[2]

APWM Duty Cycle Range ^[2]

VDD REGULATOR

●

1000

kHz

D_APWM

−

Regulator Output Voltage

VDD UVLO Start Threshold

VDD UVLO Stop Threshold

ERROR AMPLIFIER

V_DD

V_IN> 6 V, i_LOAD< 1 mA

4.05

−

4.25

3.2

4.45

−

V_DDUVLOriseV_DDrising, no external load

V_DDUVLOfallV_DDfalling, no external load

−

2.65

−

Amplifier Gain ^[2]

V_COMP= 1.5 V

−

900

–500

–700

+500

1.4

−

μA/V

μA

V_COMP= 1.5 V, A80606 (symm COMP)

V_COMP= 1.5 V, A80606-1 (asymm COMP)

V_COMP= 1.5 V

Source Current

I_EA(SRC)

μA

Sink Current

I_EA(SINK)

R_COMP

μA

COMP Pin Pull Down Resistance

FAULT = 0, V_COMP= 1.5 V

kΩ

Continued on the next page…

Allegro MicroSystems

955 Perimeter Road

Manchester, NH 03103-3353 U.S.A.

www.allegromicro.com

1...3 4 567 8 9...41

下载PDF

与A80606相关器件

型号	品牌	描述	获取价格	数据表
A80606KEVJSR	ALLEGRO	High Power LED Driver with Pre-Emptive Boost	获取价格
A80606KEVJSR-1	ALLEGRO	High Power LED Driver with Pre-Emptive Boost	获取价格
A8067469	ETC	P O T T I N G B O X E S	获取价格
A806ERW	MPD	Low Cost, 8W DIP Wide Input Range DC/DC Converters	获取价格
A807	ETC	Surface Mount Back Boxes	获取价格
A8070200	ETC	P O T T I N G B O X E S	获取价格