KA5Q0740RTYDTU View Datasheet(PDF) - Fairchild Semiconductor

Part Name

Description

Manufacturer

KA5Q0740RTYDTU

Fairchild Power Switch(FPS)

Fairchild Semiconductor 

KA5Q0740RT

Electrical Characteristics (Continued)

(Ta=25°C unless otherwise specified)

Parameter

Symbol

SYNC SECTION

Normal Sync High Threshold Voltage

Normal Sync Low Threshold Voltage

Burst Sync High Threshold Voltage

Burst Sync Low Threshold Voltage

VNSH

VNSL

VBSH

VBSL

BURST MODE SECTION

Burst mode Low Threshold Voltage

Burst mode High Threshold Voltage

Burst mode Enable Feedback Voltage

Burst mode Peak Current Limit

VBURL

VBURH

VBEN

IBU_PK

PRIMARY SIDE REGULATION SECTION

Primary Regulation Threshold Voltage

Primary Regulation Transconductance

VPR

GPR

CURRENT LIMIT(SELF-PROTECTION)SECTION

Peak Current Limit(Note3)

IPK

TOTAL DEVICE SECTION

Start Up Current

Operating Supply Current (Note1)

ISTART

IOP

IOP(MIN)

IOP(MAX)

Condition

Vcc = 16V, Vfb = 5V

Vcc = 16V, Vfb = 5V

Vcc = 10.5V, Vfb = 0V

Vcc = 10.5V, Vfb = 0V

Vfb = 0V

Vfb = 0V

Vcc = 10.5V

Vcc = 10.5V

Ifb = 700uA, Vfb = 4V

-

-

Vfb = GND, VCC = 14V

Vfb = GND, VCC = 16V

Vfb = GND, VCC = 10V

Vfb = GND, VCC = 28V

Min. Typ. Max. Unit

4.0 4.6 5.2 V

2.3 2.6 2.9 V

3.2 3.6 4.0 V

1.1 1.3 1.5 V

10.4 11.0 11.6 V

11.4 12.0 12.6 V

0.7 1.0 1.3 V

0.65 0.85 1.1 A

32.0 32.5 33.0 V

2.0 2.6 - mA/V

4.4 5.0 5.6 A

- 0.1 0.2 mA

- 10 18 mA

Note:

1. These parameters is the current flowing in the Control IC.

2. These parameters, although guaranteed, are tested in EDS(wafer test) process.

3. These parameters indicate Inductor Current.

5

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