[AP3603]

015000004-E-02

2015/07

- 7 -

9.

Electrical Characteristics

（V

Parameter

Symbol

min

typ

max

Unit

Condition

Output Voltage Range

Vout

-

-

60

V

8V Driver Power Source

V8

7.6

8.0

8.3

V

4V Drive Power Source

V4

3.7

4.0

4.2

V

Feedback Voltage

VrefFB

3.51

3.58

3.69

V

Shutdown Current 1

-

-

10

uA

VDD supply, VDD=10～20V,

PWON=0V

Shutdown Current 2

-

-

2

uA

RSP1/2supply, RSP1/2 =10～

36V, PWON=0V

Static Circuit Current1

-

-

3.5

uA

VDD supply

Static Circuit Current2

-

-

250

uA

RSP1/2 supply, RSP1/2 =10～

36V

Power-ON Voltage

2.4

-

-

V

Power-OFF Voltage

-

-

0.6

V

Power-ON Pin Current “H”

-

15

-

uA

Power-ON Pin Current “L”

-

-

1.5

uA

V8 Output Under Voltage

Protection（UVP）

5.0

5.28

5.6

V

V8 UVP Hysteresis

0.2

0.28

0.4

V

RSP Input Under Voltage

Protection（UVP）

3.5

3.75

4.2

V

RSP Input Under Voltage

Protection Release

DIS

4.2

4.5

4.8

V

Soft Start Pin Charge Current

8.5

10

11.5

uA

Soft Start Time

-

12

-

ms

Css=0.1uF

Over Current Detect Voltage

80

100

120

mV

Voltage between RSP and

RSN

Output Over Voltage

Protection

OVP

130

139

150

％

Ratio to Reference Voltage of

Feedback

VDD Over Voltage Protection

21.5

-

-

V

Oscillation Frequency

Fclk

-14

0

14

％

40k～500kHz setting

Dual Phase 80k～1000kHz

External Synchronous Clock

Input Range

Fsync

80

-

120

％

Fclk(typ)Ratio.

External Synchronous Clock

Input threshold

Vsync

0.6

-

2.4

V

External N-channel MOSFET

Switching Time

(Note 4)

Trise

80

100

150

ns

10%to90%

f=250kHz

Tfall

20

55

150

ns

90%to10%

f=250kHz

Minimum On Time

-

200

-

ns

Minimum Off Time

-

250

-

ns

Thermal Protection Operating

Temperature (Note 4,Note 5)

TSD

-

175

-

°C

Thermal Protection Hysteresis

(Note 4,Note 5)

TSDhys

-

15

-

°C

Note 4. Guaranteed by design.

Note 5. This function protects the AP3603 against an overheat situation. However, it does not guarantee the

operation under the condition that the overheat situation beyond the specifications continues.