파트넘버.co.kr L9347 데이터시트 PDF


L9347 반도체 회로 부품 판매점

INTELLIGENT QUAD 2X5A/2X2.5A LOW-SIDE SWITCH



STMicroelectronics 로고
STMicroelectronics
L9347 데이터시트, 핀배열, 회로
L9347
INTELLIGENT QUAD (2X5A/2X2.5A) LOW-SIDE SWITCH
s Quad low-side switch
s 2 x 5A designed as conventional switch
s 2 x 2.5A designed as switched current-regulator
s Low ON-resistance 2 x 0.2, 2 x 0.35(typ.)
s Power SO-36 - package with integrated
cooling area
s Integrated free-wheeling and clamping Z-diodes
s Output slope control
s Short circuit protection
s Selective overtemperature shutdown
s Open load detection
s Ground and supply loss detection
s External clock control
s Recirculation control
s Regulator drift detection
s Regulator error control
s Regulator resolution 5mA
s Status monitoring
s Status push-pull stages
s Electrostatic discharge (ESD) protection
Figure 1. Pin Connection
PowerSO-36
BARE DIE
ORDERING NUMBERS:
L9347PD
L9347DIE1
DESCRIPTION
The L9347 is an integrated quad low-side power
switch to drive inductive loads like valves used in
ABS systems. Two of the four channels are current
regulators with current range from 250mA to 2.25A
and an accuracy of 10%.
All channels are protected against fail functions.
They are monitored by a status output.
June 2002
99AT0060
GND
PGND3
PGND3
Q3
Q3
D3
D3
Q1
Q1
Q2
Q2
D4
D4
Q4
Q4
PGND4
PGND4
N.C.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
36 CLK
35 ST3
34 IN1
33 IN3
32 ST1
31 PGND1
30 PGND1
29 VS
28 PGND2
27 PGND2
26 TEST
25 EN
24 ST2
23 IN4
22 IN2
21 ST4
20 VDD
19 VCC
1/21


L9347 데이터시트, 핀배열, 회로
L9347
Figure 2. Block Diagram
EN
CLK
IN1
ST1
IN4
ST4
IN2
ST2
IN3
ST3
TEST
VS VCC VDD
Internal Supply
Overtemperature
Channel 4
Overtemperature
Channel 1
Open Load
LOGIC
Overload
GND-det.
Open Load
LOGIC
&
DA
Overload
Overtemperature
Channel 3
GND-det.
Overtemperature
Channel 2
Open Load
LOGIC
Overload
LOGIC
&
DA
GND-det.
Open Load
Overload
drift-det.
GND-det.
99AT0059
GND
2/21
Q1
IPD
D4
Q4
IPD
Q2
IPD
D3
Q3
IPD




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