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REV. A

○

Electrical Characteristics

(Ta=25℃,VCC=START=VDD=3.3V, VBAT=3.6V,ADJ=1.0V,unless otherwise specified.)

Parameter

Symbol

Target value

Unit

Condition

Min.

Standard

Max.

【Overall device】

VCC current consumption

IVCC

－

1

2.5

mA

At Output OFF

VCC Circuit current during standby operation

ISTB

－

－

1

μA

START=0V

VDD current consumption

IVDD

20

40

80

μA

IGBT_EN=3.3V,IGBT_IN=0V

VDD Circuit current during standby operation

IVDDSTB

－

－

1

μA

IGBT_EN=0.0V,IGBT_IN=0V

【Standby control START pin】

START pin high voltage

VSTH

2.0

－

－

V

START pin low voltage

VSTL

－

－

0.6

V

START pin sink current

ISTART

12

24

36

μA

START=3.3V

Unresponsive time when START shorted

TSTART

6

12.5

25

μs

【Transformer primary-side driver block】

SW pin leak current

ISWL

－

－

1

μA

SW=50V

SW pin peak current 1

IPEAK1

0.7

0.8

0.9

A

ADJ=0V

SW pin peak current 2

IPEAK2

1.0

1.1

1.2

A

ADJ=1V

SW pin peak current 3

IPEAK3

1.95

2.05

2.15

A

ADJ=3V

SW saturation voltage

VSAT

－

0.20

0.40

V

ISW=0.5A

【Charging characteristics adjustment block】

ADJ sink current

IADJ

－

2.5

5

μA

Maximum ON time

TONMAX

25

50

100

μs

Maximum OFF time

TOFFMAX

12

25

50

μs

【Transformer secondary-side detection block】

VC pin sink current

IVC

1

2

4

mA

VC=30V

Full charge detection voltage

VFULLTH

29.7

30

30.3

V

OFF detection voltage

VOFFL

-1.3

-0.5

-0.2

V

FULL pin ON resistance

RFULLL

50

110

300

Ω

FULL=0.5V

FULL pin leak current

IFULLH

－

－

1

μA

FULL=3.3V

【Protective circuit block】

UVLO detection voltage

VUVLOTH

1.9

2.05

2.2

V

VCC detection

UVLO hysteresis width

VUVLOHYS

180

230

280

mV

UVLO VDD detection voltage

VUVLODTH

1.9

2.05

2.2

V

VDD detection IGBT_IN=3.3V,

IGBT_EN=3.3V

UVLO VDD hysteresis width

VUVLODHYS

180

230

280

mV

IGBT_IN=3.3V, IGBT_EN=3.3V

【IGBT driver block】

High-level output short circuit current

Ioso

90

140

200

mA

IGBT_IN=3.3V, IGBT_EN=3.3V

START=0V,IGBT_OUT_P=0V

Low-level output short circuit current

Iosi

30

60

90

mA

IGBT_IN=0V, IGBT_EN=3.3V

START=0V,IGBT_OUT_N=3.3V

IGBT_IN high-level input voltage range1

VIGBTH1

2.0

－

－

V

IGBT_EN=3.3V, START=0V

IGBT_IN high-level input voltage range2

VIGBTH2

1.4

－

－

V

VDD=3.0～3.6V,

Ta=-25～85 , IGBT_EN=3.3V

IGBT_IN low-level input voltage range

VIGBTL

－

－

0.6

V

IGBT_EN=3.3V, START=0V

IGBT_IN sink current

IIGBT_IN

12

24

36

μA

IGBT_IN=3.3V, START=0V

IGBT_EN high-level input voltage range

VIGBTENH

2.0

－

－

V

IGBT_IN=3.3V, START=0V

IGBT_EN low-level input voltage range

VIGBTENL

－

－

0.6

V

IGBT_EN sink current

IIGBT_EN

4.5

6.5

10

μA

IGBT_EN=3.3V, IGBT_IN=3.3V

○ PIN No.

Fig.3 TOP VIEW

Pin No.

Pin Name

Function

1

VDD

VDD supply pin

2

VCC

VCC supply pin

3

GND

Ground pin

4

ADJ

primary-side current control pin

5

FULL

FULL charge detection flag pin

6

START

Standby pin

7

VC

Secondary–side voltage detection pin

8～10

SW

Switching pin

11,12

PGND

Power GND pin

13

IGBT_IN

Input terminal of trigger signal for starting output of IGBT driver

14

IGBT_EN

Input terminal of control enable signal of IGBT driver

15

IGBT_OUT_N

IGBT driver output N pin

16

IGBT_OUT_P

IGBT driver output P pin

◎This is not designed for radiation resistance.

1

2

3

4

5

7

8

9

10

16

15

14

13

12

11

6