VN808SR13TR - STMicroelectronics

August 2009 Doc ID 11624 Rev 5 1/17

VN808SR

Octal channel high side driver

Features

■VCC/2 compatible input

■Junction overtemperature protection

■Case overtemperature protection for thermal

independence of the channels

■Current limitation

■Shorted load protection

■Undervoltage shut-down

■Protection against loss of ground

■Very low stand-by current

■Compliance to 61000-4-4 IEC test up to 4 kV

Description

The VN808SR is a monolithic device designed in

STMicroelectronics VIPower M0-3 technology,

intended for driving any kind of load with one side

connected to ground.

Active current limitation combined with thermal

shutdown and automatic restart, protect the

device against overload. In overload condition,

the channel turns OFF and back ON

automatically so as to maintain the junction

temperature between TTSD and TR. If this

condition makes the case temperature reach

TCSD, the overloaded channel is turned OFF and

restarts only when the case temperature has

decreased to TCR (see waveform 3 Figure 7 on

page 10). Non overloaded channels continue to

operate normally. The device automatically turns

OFF in the case of a ground pin disconnection.

This device is especially suitable for industrial

applications and conforms to IEC 61131.

Type RDS(on) Iout VCC

VN808SR 150 mΩ0.7 A 45 V

PowerSO-36

www.st.com

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Contents VN808SR

2/17 Doc ID 11624 Rev 5

Contents

1 Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

2 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

3 Pin connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

4 Current, voltage conventions and internal diagram . . . . . . . . . . . . . . . 8

5 Switching time waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

6 Reverse polarity protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

7 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

8 Order codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

9 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

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VN808SR Maximum ratings

Doc ID 11624 Rev 5 3/17

1 Maximum ratings

Table 1. Absolute maximum rating

Symbol Parameter Value Unit

VCC DC supply voltage 45 V

-IGND

DC ground pin reverse current

TRAN ground pin reverse current

(pulse duration < 1 ms)

-250

-6

IOUT DC output current Internally limited A

-IOUT Reverse DC output current -2 A

IIN DC Input current ± 10 mA

VIN Input voltage range -3/+VCC V

VESD Electrostatic discharge (R = 1.5 kΩ; C = 100 pF) 2000 V

PTOT Power dissipation at Tc = 25 °C 96 W

LMAX

Max inductive load (VCC = 24 V, RLOAD = 48 Ω,

TA = 100 °C) 2H

TJJunction operating temperature Internally limited °C

TCCase operating temperature Internally limited °C

TSTG Storage temperature -40 to 150 °C

Table 2. Thermal data

Symbol Parameter Value Unit

RthJC Thermal resistance junction-case Max 1.3 °C/W

RthJA Thermal resistance junction-ambient (1)

1. When mounted on FR4 printed circuit board with 0.5 cm2 of copper area (at least 35 µm think) connected to

all TAB pins.

Max 50 °C/W

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Electrical characteristics VN808SR

4/17 Doc ID 11624 Rev 5

2 Electrical characteristics

(10.5 V < VCC < 32 V; -40 °C < TJ < 125 °C; unless otherwise specified)

Table 3. Power section

Symbol Parameter Test conditions Min Typ Max Unit

VCC

Operating supply

voltage 10.5 45 V

VUSD

Undervoltage

shutdown 710.5V

RON On state resistance IOUT = 0.5 A; TJ = 25 °C

IOUT = 0.5 A;

150 185

280

mΩ

ISSupply current

OFF state; VCC = 24 V;

TCASE = 25 °C

ON state (all channels ON);

VCC = 24 V, TCASE = 100 °C

150

µA

ILGND

Output current at

turn-off

VCC = VSTAT = VIN = VGND = 24 V

VOUT = 0 V 1mA

IL(off)

OFF state output

current VIN = VOUT = 0 V; 05µA

td(Vccon)

Power-on delay time

from VCC rising edge Table 7. 1ms

Table 4. Switching (VCC = 24 V)

Symbol Parameter Test conditions Min Typ Max Unit

tON Turn-on time RL = 48 Ω from 80%

VOUT Figure 5. 50 100 µs

tOFF Turn-off time RL = 48 Ω to 10% VOUT Figure 5. 75 150 µs

dVOUT/dt(on) Turn-on voltage slope RL = 48 Ω from VOUT = 2.4 V to

VOUT = 19.2 V Figure 5. 0.7 V/µs

dVOUT/dt(off) Turn-off voltage slope RL = 48 Ω from VOUT = 21.6 V to

VOUT = 2.4 V Figure 5. 1.5 V/µs

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VN808SR Electrical characteristics

Doc ID 11624 Rev 5 5/17

Table 5. Input pin

Symbol Parameter Test conditions Min Typ Max Unit

VINL Input low level VCC /2-1 V

IINL

Low level input

current VIN = VCC / 2 - 1 V 80 µΑ

VINH Input high level VCC /2+1 V

IINH

High level input

current VIN = VCC / 2 + 1 V 150 260 µΑ

VI(HYST)

Input hysteresis

voltage 0.6 V

IIN Input current VIN = VCC = 32 V 300 µΑ

Table 6. Protections

Symbol Parameter Test conditions Min Typ Max Unit

TCSD

Case shut-down

temperature 125 130 135 °C

TCR

Case reset

temperature

110 °C

TCHYST

Case thermal

hysteresis 715 °C

TTSD

Junction shutdown

temperature 150 175 200 °C

Junction reset

temperature 135 °C

THYST

Junction thermal

hysteresis 715 °C

Ilim

DC Short circuit

current VCC = 24 V; RLOAD = 10 mΩ0.7 1.7 A

Vdemag

Turn-off output clamp

voltage IOUT = 0.5 A; L = 6mH VCC-57 VCC-52 VCC-47 V

Table 7. Status pin

Symbol Parameter Test conditions Min Typ Max Unit

IHSTAT

High level output

current

VCC = 18...32 V; RSTAT = 1 kΩ

(Fault condition) 234mA

ILSTAT Leakage current Normal operation; VCC = 32 V 0.1 µA

VCLSTAT Clamp voltage ISTAT = 1 mA

ISTAT = -1 mA

6.0 6.8

-0.7

8.0 V

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Pin connections VN808SR

6/17 Doc ID 11624 Rev 5

3 Pin connections

Figure 2. Connection diagram (top view)

Table 8. Pin functions

Pin N°Symbol Function

TAB VCC Positive power supply voltage

CC Positive power supply voltage

2,3,4,5 NC Not connected

6 Input 1 Input of channel 1

7 Input 2 Input of channel 2

8 Input 3 Input of channel 3

9 Input 4 Input of channel 4

10 Input 5 Input of channel 5

11 Input 6 Input of channel 6

12 Input 7 Input of channel 7

13 Input 8 Input of channel 8

14,15,16,17,18 NC Not connected

19 GND Logic ground

20 STATUS Common open source diagnostic for over-temperature

21,22 Output 8 High-side output of channel 8

23,24 Output 7 High-side output of channel 7

25,26 Output 6 High-side output of channel 6

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VN808SR Pin connections

Doc ID 11624 Rev 5 7/17

27.28 Output 5 High-side output of channel 5

29,30 Output 4 High-side output of channel 4

31,32 Output 3 High-side output of channel 3

33,34 Output 2 High-side output of channel 2

35,36 Output 1 High-side output of channel 1

Table 8. Pin functions (continued)

Pin N°Symbol Function

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Current, voltage conventions and internal diagram VN808SR

8/17 Doc ID 11624 Rev 5

4 Current, voltage conventions and internal diagram

Figure 3. Current and voltage conventions

Figure 4. Equivalent internal block diagram (same structure for all channel)

Table 9. Truth table

Conditions INPUTn OUTPUTn STATUS

Normal operation L

Current limitation L

Overtemperature

(see waveforms 3, 4 Figure 7) -> TJ > TTSD

Undervoltage L

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VN808SR Switching time waveforms

Doc ID 11624 Rev 5 9/17

5 Switching time waveforms

Figure 5. Turn-ON and turn-OFF

Figure 6. VCC turn-ON

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Switching time waveforms VN808SR

10/17 Doc ID 11624 Rev 5

Figure 7. Waveforms

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VN808SR Switching time waveforms

Doc ID 11624 Rev 5 11/17

Figure 7. Waveforms (continued)

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Reverse polarity protection VN808SR

12/17 Doc ID 11624 Rev 5

6 Reverse polarity protection

This schematic can be used with any type of load.

The following is an indication on how to dimension the RGND resistor.

RGND = (-VCC) / (-IGND)

where -IGND is the DC reverse ground pin current and can be found in the absolute

maximum rating section of the device datasheet.

Power dissipation in RGND (when VCC< 0: during reverse polarity situations) is:

PD = (-VCC)2/RGND

Note: In normal condition (no reverse polarity) due to the diode there will be a voltage drop

between GND of the device and GND of the system.

Figure 8. Reverse polarity protection

Status

InputiGND

Outputi

+ Vcc

RGND

Load

Diode

Status

InputiGND

Outputi

+ Vcc

RGND

Load

Diode

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VN808SR Package mechanical data

Doc ID 11624 Rev 5 13/17

7 Package mechanical data

In order to meet environmental requirements, ST offers these devices in different grades of

ECOPACK® packages, depending on their level of environmental compliance. ECOPACK®

specifications, grade definitions and product status are available at: www.st.com.

ECOPACK is an ST trademark.

Table 10. PowerSO-36 mechanical data

Dim.

mm inch

Min Typ Max Min Typ Max

A 3.60 0.1417

a1 0.10 0.30 0.003 0.0118

a2 3.30 0.1299

a3 0 0.10 0 0.0039

b 0.22 0.38 0.008 0.0150

c 0.23 0.32 0.009 0.0126

D (1) 15.80 16.00 0.622 0.6299

D1 9.40 9.80 0.370 0.3858

E 13.90 14.50 0.547 0.5709

E1 (1) 10.90 11.10 0.429 0.4370

E2 2.90 0.1142

E3 5.8 6.2 0.228 0.2441

e 0.65 0.025

e3 11.05 0.435

G 0 0.10 0.000 0.0039

H 15.50 15.90 0.610 0.6260

h 1.10 0.0433

L 0.80 1.10 0.031 0.0433

N 10° 10°

S 0° 8° 0° 8°

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Package mechanical data VN808SR

14/17 Doc ID 11624 Rev 5

Figure 9. PowerSO-36 drawings

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VN808SR Order codes

Doc ID 11624 Rev 5 15/17

8 Order codes

Table 11. Order codes

Order codes Package Packaging

VN808SR PowerSO-36 Tube

VN808SR13TR PowerSO-36 Tape and reel

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Revision history VN808SR

16/17 Doc ID 11624 Rev 5

9 Revision history

Table 12. Document revision history

Date Revision Changes

13-Sep-2005 1 Initial release

01-Mar-2007 2 Document reformatted

26-Mar-2007 3 Typo in Figure 3.

07-Jul-2008 4 Added Section 4 on page 8

25-Aug-2009 5 Updated Section 6: Reverse polarity protection

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VN808SR

Doc ID 11624 Rev 5 17/17

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