VIPER53SP-E Datasheet VIPER53DIP-E, VIPER53SP-E, VIPER53SPTR-E | P4-P6

Electrical characteristics VIPer53 - E

4/36

2 Electrical characteristics

T

J

= 25°C, V

DD

= 13V, unless otherwise specified

Table 3. Power section

Symbol Parameter Test conditions Min. Typ. Max. Unit

BV

DSS

Drain-source voltage

I

D

= 1mA; V

COMP

= 0V

620 V

I

DSS

Off state drain

current

V

DS

= 500V; V

COMP

= 0V;

T

J

= 125°C

150 µA

R

DS(on)

Static drain-source

On state resistance

I

D

= 1A; V

COMP

= 4.5V; V

TOVL

= 0V

T

J

= 25°C

T

J

= 100°C

0.9 1

1.7

Ω

t

fv

Fall time

I

D

= 0.2A; V

IN

= 300V

(1)

1. On clamped inductive load

100 ns

t

rv

Rise time

I

D

= 1A; V

IN

= 300V

(1)

50 ns

C

oss

Drain capacitance

V

DS

= 25V

170 pF

C

Eon

Effective output

capacitance

200V < V

DSon

< 400V

(2)

2. This parameter can be used to compute the energy dissipated at turn on E

ton

according to the initial drain

to source voltage V

DSon

and the following formula:

60 pF

Table 4. Oscillator section

Symbol Parameter Test conditions Min. Typ. Max. Unit

F

OSC1

Oscillator frequency

initial accuracy

R

T

= 8kΩ; C

T

= 2.2nF

Figure 12 on page 12

95 100 105 kHz

F

OSC2

Oscillator frequency

total variation

R

T

= 8kΩ; C

T

= 2.2nF

Figure 16 on page 14

V

DD

= V

DDon

... V

DDovp

;

T

J

= 0 ... 100°C

93 100 107 kHz

V

OSChi

Oscillator peak

voltage

9V

V

OSClo

Oscillator valley

voltage

4V

E

ton

1

2

---

C

Eon

300

2

V

DSon

300

----------------

⎝⎠

⎛⎞

1.5

⋅⋅⋅=

VIPer53 - E Electrical characteristics

5/36

Table 5. Supply section

Symbol Parameter Test conditions Min. Typ. Max. Unit

V

DSstart

Drain voltage starting

threshold

V

DD

= 5V; I

DD

= 0mA

34 50 V

I

DDch1

Startup charging current

V

DD

= 0 ... 5V; V

DS

= 100V

Figure 5 on page 10

-12 mA

I

DDch2

Startup charging current

V

DD

= 10V; V

DS

= 100VFigure 5.

-2 mA

I

DDchoff

Startup charging current

in thermal shutdown

V

DD

= 5V; V

DS

= 100VFigure 7.

T

J

> T

SD

- T

HYST

0mA

I

DD0

Operating supply current

not switching

F

sw

= 0kHz; V

COMP

= 0V

811mA

I

DD1

Operating supply current

switching

F

sw

= 100kHz

9mA

V

DDoff

V

DD

undervoltage

shutdown threshold

Figure 5 on page 10 7.5 8.4 9.3 V

V

DDon

V

DD

startup threshold

Figure 5. 10.2 11.5 12.8 V

V

DDhyst

V

DD

threshold hysteresis

Figure 5. 2.6 3.1 V

V

DDovp

V

DD

Overvoltage

shutdown threshold

Figure 5. 17 18 19 V

Table 6. Error amplifier section

Symbol Parameter Test conditions Min. Typ. Max. Unit

V

DDreg

V

DD

regulation point

I

COMP

= 0mA

Figure 11. on page 11

14.5 15 15.5 V

∆V

DDreg

V

DD

regulation point

total variation

I

COMP

= 0mA; T

J

= 0 ... 100°C 2 %

G

BW

Unity gain bandwidth

From Input = V

DD

to Output =

V

COMP

I

COMP

= 0mA Figure 14 and 15

700 kHz

AV

OL

Voltage gain I

COMP

= 0mA Figure 14 and 15 40 45 dB

G

m

DC transconductance V

COMP

= 2.5V Figure 11. 11.41.8mS

V

COMPlo

Output low level I

COMP

= -0.4mA; V

DD

= 16V 0.2 V

V

COMPhi

Output high level I

COMP

= 0.4mA; V

DD

=14V

(1)

1. In order to insure a correct stability of the error amplifier, a capacitor of 10nF (minimum value: 8nF) should

always be present on the COMP pin.

4.5 V

I

COMPlo

Output sinking current

V

COMP

= 2.5V; V

DD

= 16V

Figure 11. on page 11

-0.6 mA

I

COMPhi

Output sourcing current

V

COMP

= 2.5V; V

DD

= 14V

Figure 11.

0.6 mA

Electrical characteristics VIPer53 - E

6/36

Table 9. Over temperature Protection Section

Table 7. PWM comparator section

Symbol Parameter Test conditions Min. Typ. Max. Unit

H

COMP

∆V

COMP

/ ∆I

DPEAK

V

COMP

= 1 ... 4 V Figure 10.

dI

D

/dt = 0 1.7 2 2.3 V/A

V

COMPos

V

COMP

Offset

dI

D

/dt = 0 Figure 10. on page 11 0.5 V

I

Dlim

Peak drain current

limitation

I

COMP

= 0mA; V

TOVL

= 0V

Figure 10.

dI

D

/dt = 0

1.7 2 2.3 A

I

Dmax

Drain current

capability

V

COMP

= V

COMPovl

; V

TOVL

= 0V

dI

D

/dt = 0 1.6 1.9 2.3 A

t

d

Current sense delay to

Turn-Off

I

D

= 1A 250 ns

V

COMPbl

V

COMP

blanking time

change threshold

Figure 6 on page 10 1V

t

b1

Blanking time V

COMP

< V

COMPBL

Figure 6. 300 400 500 ns

t

b2

Blanking time V

COMP

> V

COMPBL

Figure 6. 100 150 200 ns

t

ONmin1

Minimum On time V

COMP

< V

COMPBL

450 600 750 ns

t

ONmin2

Minimum On time V

COMP

> V

COMPBL

250 350 450 ns

V

COMPoff

V

COMP

Shutdown

Threshold

Figure 9 on page 11 0.5 V

Table 8. Overload protection section

Symbol Parameter Test conditions Min. Typ. Max. Unit

V

COMPovl

V

COMP

overload

threshold

I

TOVL

= 0mA

(1)

Figure 4 on page 9

1. V

COMPovl

is always lower than V

COMPhi

4.35 V

V

DIFFovl

V

COMPhi

to V

COMPovl

voltage difference

V

DD

= V

DDoff

... V

DDreg

;

I

TOVL

= 0mA

Figure 4.

(1)

50 150 250 mV

V

OVLth

V

TOVL

overload

threshold

Figure 4. 4V

t

OVL

Overload delay

C

OVL

= 100nF Figure 4.

8ms

Symbol Parameter Test Conditions Min. Typ. Max. Unit

T

SD

Thermal shutdown

temperature

Figure 7 on page 10 140 160 °C

T

HYST

Thermal shutdown

hysteresis

Figure 7 on page 10 40 °C

VIPER53SP-E

VIPER53SP-E

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