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PDF L6370D Data sheet ( Hoja de datos )

Número de pieza L6370D
Descripción 2.5A HIGH-SIDE DRIVER INDUSTRIAL INTELLIGENT POWER SWITCH
Fabricantes STMicroelectronics 
Logotipo STMicroelectronics Logotipo



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No Preview Available ! L6370D Hoja de datos, Descripción, Manual

L6370
2.5A HIGH-SIDE DRIVER
INDUSTRIAL INTELLIGENT POWER SWITCH
2.5A OUTPUT CURRENT
9.5V TO 35V SUPPLY VOLTAGE RANGE
INTERNAL CURRENT LIMITING
THERMAL SHUTDOWN
OPEN GROUND PROTECTION
INTERNAL NEGATIVE VOLTAGE CLAMPING
TO VS - 50V FOR FAST DEMAGNETIZATION
DIFFERENTIAL INPUTS WITH LARGE COM-
MON MODE RANGE AND THRESHOLD
HYSTERESIS
UNDERVOLTAGELOCKOUT WITH HYSTERESIS
OPEN LOAD DETECTION
TWO DIAGNOSTIC OUTPUTS
OUTPUT STATUS LED DRIVER
NON DISSIPATIVE SHORT CIRCUIT PRO-
TECTION
PROTECTION AGAINST AND SURGE TRAN-
SIENT (IEC 801-5)
IMMUNITY AGAINST BURST TRANSIENT
(IEC 801-4)
ESD PROTECTION (HUMAN BODY MODEL
±2KV)
BLOCK DIAGRAM
MULTIPOWER BCD TECHNOLOGY
MULTIWATT11 (in line)
PowerSO20
ORDERING NUMBERS: L6370L (MULTIWATT11)
L6370D (PowerSO20)
DESCRIPTION
The L6370 is a monolithic Intelligent Power
Switch in Multipower BCD Technology, for driving
inductive or resistive loads. An internal Clamping
Diode enables the fast demagnetization of induc-
tive loads. Diagnostic for CPU feedback and ex-
tensive use of electrical protections make this de-
vice extremely rugged and specially suitable for
industrial automation applications.
INPUT
IN+ +
IN- -
1.4V
ON-DELAY
OSC
THERMAL
PROTECTION
UNDER
VOLTAGE
NON DISSIPATIVE
SHORT CIRCUIT
OUTSTATUS
3mA
CHARGE
PUMP
DRIVER
CURRENT
LIMITATION
OPEN LOAD
DETECTION
DIAGNOSTIC
VS
OUT
RSC
DIAG1
DIAG2
March 1997
OUTPUT STATUS
D95IN208D
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1 page




L6370D pdf
Figure 2: Undervoltage Comparator Hysteresis
Vshys
L6370
Figure 3: Switching Waveforms
Vin
Voth1
50%
Voth2 D95IN212
Vs
50%
Vout
td
td t
50%
10%
tr
90%
90%
50%
10%
tf
t
D94IN127A
DIAGNOSTIC TRUTH TABLE
Diagnostic Conditions
Normal Operation
Open Load Condition (Io < Iold)
Short to VS
Short Circuit to Ground (IO = ISC) (**)
(pin ON-DELAY grounded)
Output DMOS Open
Overtemperature
Supply Undervoltage (VS < Vsth2)
Input
L
H
L
H
L
H
H
L
H
L
H
L
H
Output
L
H
L
H
H
H
H (*)
L
L
L
L
L
L
L
Diag1
H
H
H
L
L
L
H
H
H
L
H
H
L
L
Diag2
H
H
H
H
H
H
H
H
H
H
L
L
L
L
(*) According to the intervention of the current limiting block.
(**) A cold lamp filament, or a capacitive load may activate the current limiting circuit of the I PS, when the IPS is initially turned on.
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