l6375 STMicroelectronics, l6375 Datasheet

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l6375

Manufacturer Part Number
l6375
Description
0.5a Industrial Intelligent Power Switch
Manufacturer
STMicroelectronics
Datasheet

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BLOCK DIAGRAM
February 2000
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change with out notice.
0.5A OUTPUT CURRENT
8V TO 35V SUPPLY VOLTAGE RANGE
NON DISSIPATIVE SHORT CIRCUIT
PROTECTION
THERMAL SHUTDOWN
OPEN GROUND PROTECTION
NEGATIVE VOLTAGE CLAMPING FOR FAST
DEMAGNETIZATION
UNDERVOLTAGE LOCKOUT WITH
HYSTERESIS
OPEN LOAD DETECTION
TWO DIAGNOSTIC OUTPUTS
OUTPUT STATUS LED DRIVER
IMMUNITY AGAINST BURST TRANSIENT
(IEC 801-4), see application schematic.
ESD PROTECTION (HUMAN BODY MODEL
2KV)
Con
IN+
IN-
0.5A INDUSTRIAL INTELLIGENT POWER SWITCH
INPUT
1.4V
PROTECTION
THERMAL
OSC
+
-
OUTPUT STATUS
OUTSTATUS
NON DISSIPATIVE
SHORT CIRCUIT
3mA
VOLTAGE
UNDER
DESCRIPTION
The L6375 is a monolithic fully protected, full diag-
nostic 0.5A Intelligent Power Switch. it is designed to
drive any kind of R-L-C load with controlled output
voltage slew rate and non dissipative short circuit
protection. An internal Clamping Diode enables the
fast demagnetization of inductive loads. Diagnostic
for CPU feedback and extensive use of electrical pro-
tections make this device extremely rugged and spe-
cially suitable for industrial automation applications.
MULTIPOWER BCD TECHNOLOGY
DIAGNOSTIC
OPEN LOAD
DETECTION
LIMITATION
CURRENT
CHARGE
DRIVER
PUMP
L6375D
SO20
ORDERING NUMBERS:
D95IN208B
V
OUT
DIAG1
DIAG2
S
PRELIMINARY DATA
MINIDIP
L6375
L6375
1/12

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l6375 Summary of contents

Page 1

... MULTIPOWER BCD TECHNOLOGY SO20 ORDERING NUMBERS: L6375D DESCRIPTION The L6375 is a monolithic fully protected, full diag- nostic 0.5A Intelligent Power Switch designed to drive any kind of R-L-C load with controlled output voltage slew rate and non dissipative short circuit protection. An internal Clamping Diode enables the fast demagnetization of inductive loads ...

Page 2

... L6375 PIN FUNCTION (Pin numbering referred to Minidip package) N Pin 1 GND Ground 2 OUT High side output. Controlled output with current limitation 3 Vs Supply voltage input. Range with under voltage monitoring 4 OUTPUT STATUS Led driver to signal the status of the output pin. The pin is active ( sources current ) when the output is considered high ...

Page 3

... THERMAL DATA Symbol Parameter R Thermal Resistance Junction to Case th j-case R Thermal Resistance Junction to Ambient th j-amb Parameter internally limited internally limited internally limited internally limited - +0.3 Minidip Max. Max. 100 L6375 Value Unit - ...

Page 4

... L6375 ELECTRICAL CHARACTERISTCS (V = 24V –25 to +125 C, unless otherwise specified; pin numbering referred to Minidip package Symbol Pin Parameter V 3 Supply Voltage for Valid smin Diagnostic V 3 Operative Supply Voltage Undervoltage Threshold 1 sth1 V 3 Undervoltage Threshold 2 sth2 V 3 Under Voltage Hysteresis ...

Page 5

... < V < 15.6 to 35V 24V ground 24V ground l 50pF < C < 2nF 7 DON @ Ifsd = 625mA t = 10ms 20 625mA di/dt = 25A L6375 Max. Unit 1 250 150 128 ...

Page 6

... L6375 Figure 1. Switching Waveforms out 50% 10% INPUT SECTION An Single ended Input TTL/CMOS compatible with wide voltage range and high noise immunity (thanks to a built in hysteresis) is available. OVER TEMPERATURE PROTECTION (OVT) An on-chip Over Temperature Protection provides an excellent protection of the device in extreme conditions. ...

Page 7

... An internal zener diode, limiting the voltage across the Power MOS to between 50 and 60V (V and fast demagnetization of inductive loads without external clamping devices. The maximum energy that can be absorbed from an inductive load is specified as 200mJ ( OFF ON OFF Short Circuit D94IN105 = L6375 Time Time ), provides safe cl 7/12 ...

Page 8

... L6375 DIAGNOSTIC TRUTH TABLE Diagnostic Conditions Normal Operation Open Load Condition (I < old Short Short Circuit to Ground ( (pin ON-DELAY grounded) Output DMOS Open Overtemperature Sumplay Undervoltage (V < sth2 Figure 3. Inductive Load Equivalent Circuit Figure 4. External Demagnetisation Circuit (versus ground) ...

Page 9

... SHORT CIRCUIT Con OSC OUTSTATUS THERMAL PROTECTION 3mA OUTPUT STATUS ) CURRENT OVC LIMIT OUT CONTROL D94IN111A Transil, ST1,5KExx (IEC801- CHARGE PUMP DRIVER OUT CURRENT LIMITATION OPEN LOAD DETECTION DIAG1 DIAGNOSTIC DIAG2 L6375 V Z 2.2 F, electrolytic 10nF, ceramic (IEC801-4, IEC801-4) 9/12 ...

Page 10

... L6375 mm inch DIM. MIN. TYP. MAX. MIN. TYP. A 2.35 2.65 0.093 A1 0.1 0.3 0.004 B 0.33 0.51 0.013 C 0.23 0.32 0.009 D 12.6 13 0.496 E 7.4 7.6 0.291 e 1.27 0.050 H 10 10.65 0.394 h 0.25 0.75 0.010 L 0.4 1.27 0.016 K 0 (min.)8 (max 10/12 OUTLINE AND MECHANICAL DATA MAX. 0.104 0.012 0.020 0.013 0.512 0.299 0.419 0.030 0.050 SO20 ...

Page 11

... DIM. MIN. TYP. MAX. MIN. TYP. A 3.32 0.131 a1 0.51 0.020 B 1.15 1.65 0.045 b 0.356 0.55 0.014 b1 0.204 0.304 0.008 D 10.92 E 7.95 9.75 0.313 e 2.54 0.100 e3 7.62 0.300 e4 7.62 0.300 F 6.6 I 5.08 L 3.18 3.81 0.125 Z 1.52 OUTLINE AND MECHANICAL DATA MAX. 0.065 0.022 0.012 0.430 0.384 0.260 0.200 0.150 Minidip 0.060 L6375 11/12 ...

Page 12

... L6375 Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice ...

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