SSC2005SC datasheet(4/19 Pages) SANKEN

4 / 19 page

SSC2005SC

SSC2005SC-DS Rev.1.1

SANKEN ELECTRIC CO.,LTD.

Feb. 06, 2015

Parameter

Symbol

Conditions

Pins

Min.

Typ.

Max.

Unit

COMP Pin Sink Current

ICOMP(SNK)

2 – 6

µA

COMP Pin Source Current

ICOMP(SRC)

2 – 6

− 72

− 40

− 18

µA

Zero Duty COMP Voltage

VCOMP(ZD)

2 – 6

0.50

0.65

0.90

Restart Time

tRS

−

µs

Drive Output

Output Voltage (High)

VOH

IOUT = –100 mA

7 – 6

10.0

12.0

13.5

Output Voltage (low)

VOL

IOUT = 200 mA

7 – 6

0.40

0.75

1.25

Output Rise Time

(1)

COUT = 1000 pF

7 – 6

−

120

Output Fall Time

(1)

COUT = 1000 pF

7 – 6

−

Zero Current Detection and Overcurrent Protection

Zero Current Detection Threshold

Voltage

VCS(ZCD)

5 – 6

− 20

− 10

Zero Current Detection Delay

Time

(2)

tDLY(ZCD)

RDLY = 22 kΩ

5 – 6

0.55

0.95

1.17

µs

Overcurrent Protection Threshold

Voltage

VCS(OCP)

5 – 6

− 0.63

− 0.60

− 0.57

Overcurrent Protection Delay

Time

(2)

tDLY(OCP)

5 – 6

100

250

400

CS Pin Source Current

ICS

5 – 6

− 110

− 75

− 40

µA

FB Pin Protection

Overvoltage Protection Threshold

Voltage

VOVP

1 – 6

1.075

×VFB

1.090

×VFB

1.105

×VFB

Overvoltage Protection Hysteresis

VOVP(HYS)

1 – 6

125

Undervoltage Protection

Threshold Voltage

VUVP

1 – 6

200

300

400

Undervoltage Protection

Hysteresis

VUVP(HYS)

1 – 6

120

160

Thermal Shutdown

Thermal Shutdown Threshold

(2)

Tj(TSD)

–

135

150

–

°C

Thermal Shutdown Hysteresis

(2)

Tj(TSDHYS)

–

°C

Thermal Resistance

Junction to Ambient Resistance

(2)

j-A

–

180

°C/W

(1) Shown in Figure 3-1

(2) Design assurance item

VOUT

10%

90%

Figure 3-1 Switching time

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