Datasheet > HT7A6322

HT7A6322

更新时间： 2024-03-03 10:10:56

品牌	Logo	应用领域
台湾合泰/盛群 - HOLTEK		/
页数	文件大小	规格书
10页	1130K
描述
Low Power Primary Switcher for Off Line SMPS

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数据手册

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HT7A6322 数据手册

HT7A6322

Electrical Characteristics

Ta=25˚C, V_CC=18V, unless otherwise speciﬁed

Symbol

Parameter

Test Conditions

Min.

Typ. Max. Unit

Power Section

BV_DSS

I_DSS

r_DS(on)

t_f

Drain-Source Voltage

Off State Drain Current

Static Drain-Source On State Resistance I_D=0.2A

I_D=1mA; V_FB=2V

730

—

0.1

—

V_DS=500V; V_FB=2V; T_J=125˚C

—

100

Fall Time

I_D=0.1A; V_IN=300V⁽¹⁾

—

t_r

Rise Time

I_D=0.2A; V_IN=300V⁽¹⁾

—

C_OSS

Drain Capacitance

V_DS=25V

—

Supply Section

I_CCchStart-Up Charging Current

V_DS=100V; V_CC=0V to V_ccon

—

-1

—

Start-Up Charging Current In Thermal

Shutdown

V_CC=5V; V_DS=100V

T_J> T_SD- T_HYST

I_CCoff

—

Operating Supply Current Not Switching I_FB=2mA

—

0.65

0.7

0.8

0.9

—

I_CC

Operating Supply Current Switching

Restart Duty-Cycle

I_FB=0.5mA; I_D=50mA⁽²⁾

D_RST

—

V_CCoff

V_CCon

V_CChyst

V_CCovp

V_CCUnder-voltage Shutdown Threshold

V_CCStart-Up Threshold

5.8

14.5

6.5

7.2

V_CCThreshold Hysteresis

V_CCOver-voltage Threshold

Oscillation Section

f_OSC

Oscillator Frequency Total Variation

V_CC=V_CCoffto 35V; T_J=0 to 100˚C

kHz

PWM Comparator Section

G_ID

I_Dlim

I_FBsd

R_FB

t_d

I_FBto I_dCurrent Gain

—

0.56

—

560

0.7

—

0.84

—

Peak Current Limitation

I_FBShutdown Current

FB Pin Input Impedance

Current Sense Delay to Turn-Off

Blanking Time

V_FB=0V

—

0.9

kΩ

I_D=0mA

I_D=0.2A

—

1.2

—

200

350

550

—

t_b

—

t_ONmin

Minimum Turn-On Time

—

Over-temperature Section

T_SD

Thermal Shutdown Temperature

Thermal Shutdown Hysteresis

—

140

—

170

—

˚C

T_HYST

Note:ꢀAbsoluteꢀmaximumꢀratingsꢀindicateꢀlimitsꢀbeyondꢀwhichꢀdamageꢀtoꢀtheꢀdeviceꢀmayꢀoccur.ꢀOperatingꢀ

Ratingsꢀindicateꢀconditionsꢀforꢀwhichꢀtheꢀdeviceꢀisꢀintendedꢀtoꢀbeꢀfunctional,ꢀbutꢀdoꢀnotꢀguaranteeꢀspeciﬁcꢀ

performanceꢀlimits.ꢀTheꢀguaranteedꢀspeciﬁcationsꢀapplyꢀonlyꢀforꢀtheꢀtestꢀconditionsꢀlisted.

1.ꢀForꢀclampedꢀinductiveꢀload

2.ꢀTheseꢀtestꢀconditionsꢀareꢀobtainedꢀwithꢀaꢀresistiveꢀloadꢀꢀwhichꢀpermitꢀtheꢀmaximumꢀconductionꢀtimeꢀofꢀ

theꢀdevice.

Rev. 1.20

January 18, 2018

1 2 345 6 7...10

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