FAN7544 데이터 시트보기 (PDF) - Fairchild Semiconductor

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FAN7544

Simple Ballast Controller

Fairchild Semiconductor 

FAN7544

Electrical Characteristics

Unless otherwise specified, for typical values Vcc=15V, Ta=25°C, For Min/Max values Ta is the operating ambient

temperature range with -25°C ≤ Ta ≤ 125°C and 12.7V ≤ VCC ≤ 30V

Parameter

Symbol

Conditions

Min. Typ. Max. Unit

UNDER VOLTAGE LOCK OUT SECTION

Start Threshold Voltage

UVLO Hysteresis

SUPPLY CURRENT SECTION

VTH(st)

HY(st)

VCC Increasing

-

10.5 11.6 12.7 V

1.4 1.9 2.4 V

Start Up Supply Current

Operating Supply Current

Dynamic Operating Supply Current

OSCILLATOR SECTION

CPH Pin Charging Current 1

CPH Pin Charging Current 2

CPH Pin Clamp Voltage

Preheating Frequency

IST

ICC

IDCC

VCC < VTH(st)

Output not switching

50kHz, CL =1nF

ICPHL

ICPHH

VCLAMP

fPH

VCPH=2V

VCPH=4V

-

VCPH=0V,

RPH=47kΩ, CT=470pF

- 0.14 0.2 mA

- 6.5 10 mA

-

8

12 mA

1.3 1.6 1.9 µA

7

10 13 µA

4.8 5.6 6.4 V

70 81.5 93 kHz

Preheating Dead Time

tpd

VCPH=0V,

RPH=47kΩ, CT=470pF

0.8 1.3 1.8 µs

Operating Frequency

fOS

VCPH=Open,

RT=80kΩ, CT=470pF

45.5 50 54.5 kHz

Operating Dead Time

CT Threshold Voltage(note1)

tOD

∆VCT

VCPH=Open,

RT=80kΩ, CT=470pF

Ta=25°C

1.6 2.0 2.4 µs

3.2 3.7 4.2 V

CT Charging Current

ICHG -

170 220 270 µA

CT Discharging Current

IDIS

-

0.9 1.15 1.4 mA

Temperature Stability (Note1)

∆f/∆T

-25°C ≤ Ta ≤ 125°C,

VCC = 25V

-

1

3%

Voltage Stability

∆f/∆V 12.7V ≤ VCC ≤ 30V, Ta=25°C -

-

3%

OUTPUT SECTION

Gate Driver Source Current(note1)

Gate Driver Sink Current(note1)

Rising Time (Note1)

Falling Time (Note1)

IOSOURCE VOUT=0V

- 500 - mA

IOSINK VOUT=14.6V

- 500 - mA

tr

CL=1nF, Vcc=15V, Ta=25°C - 130 170 ns

tf

CL=1nF, Vcc=15V, Ta=25°C -

50 100 ns

Maximum Output Voltage

Vomax VCC = 25V

13 15 17 V

Output Voltage With UVLO Activated Vomin VCC = 5V, IO = 100µA

-

-

1

V

PROTECTION SECTION

Shutdown Sink Current(note1)

ISD

RPH=47kΩ

- 0.6 - mA

Latch Mode Quiescent Current

ILATCH VCC = 15V

- 0.36 0.57 mA

Thermal Shutdown Junction

Temperature (Note1)

TSD

-

- 150 -

°C

Note:

1. These parameters, although guaranteed, are not 100% tested in production.

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