4

Electrical characteristics

Table 5. Electrical characteristics VL = 3.3 V; VCC = 30 V; Tamb = 25 °C ; fsw = 384 kHz unless otherwise

specified.

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

RdsON

Power P-channel/N-channel

MOSFET RdsON

Id = 1 A

200

270

mΩ

Idss

Power P-channel/N-channel

leakage Idss

VCC = 35 V

50

µA

gN

Power P-channel RdsON matching

Id = 1 A

95

%

gP

Power N-channel RdsON matching

Id = 1 A

95

%

Dt_s

Low current dead time (static)

See Figure 5

10

20

ns

Dt_d

High current dead time (dinamic)

L = 22 µH; C = 470 nF;

RL = 8 Ω

Id = 3.5 A; see Figure 5

50

ns

td ON

Turn-on delay time

Resistive load

100

ns

td OFF

Turn-off delay time

Resistive load

100

ns

tr

Rise time

Resistive load; as Figure 3

25

ns

tf

Fall time

Resistive load; as Figure 3

25

ns

VCC

Supply voltage operating voltage

10

36

V

VIN-High

High level input voltage

VL/2

+300 mV

V

VIN-Low

Low level input voltage

VL/2-300

mV

V

IIN-High

High level input current

Pin voltage = VL

1

µA

IIN-Low

Low level input current

Pin voltage = 0.3 V

1

µA

IPWRDN-H

High level PWRDN pin input current VL = 3.3 V

35

µA

VL

Low logical state voltage VL (pin

PWRDN, TRISTATE) (1)

VL = 3.3 V

0.8

V

VH

High logical state voltage VH (pin

PWRDN, TRISTATE) (1)

VL = 3.3 V

1.7

V

IVCC- PWRDN

Supply CURRENT from VCC in

Power Down

PWRDN = 0

3

mA

IFAULT

Output current pins Fault -th-warn

when Fault conditions

Vpin = 3.3 V

1

mA

IVCC-hiz

Supply current from VCC in Tri-state VCC = 30 V; Tri-state = 0

22

mA

IVCC

Supply current from VCC in

operation both channel switching)

VCC= 30 V;

Input pulse width = 50%

duty;

Switching frequency = 384

kHz; No LC filters

50

mA

IVCC-q

Isc (short circuit current limit) .(2)

4.5

6

9

A

VUV

Undervoltage protection threshold

7

V

STA508

Electrical characteristics

DS3503 - Rev 6

page 6/19