Datasheet.kr   

L5993D 데이터시트 PDF




STMicroelectronics에서 제조한 전자 부품 L5993D은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


PDF 형식의 L5993D 자료 제공

부품번호 L5993D 기능
기능 CONSTANT POWER CONTROLLER
제조업체 STMicroelectronics
로고 STMicroelectronics 로고


L5993D 데이터시트 를 다운로드하여 반도체의 전기적 특성과 매개변수에 대해 알아보세요.




전체 22 페이지수

미리보기를 사용할 수 없습니다

L5993D 데이터시트, 핀배열, 회로
® L5993
CONSTANT POWER CONTROLLER
CURRENT-MODE CONTROL PWM
SWITCHING FREQUENCY UP TO 1MHz
LOW START-UP CURRENT (< 120µA)
CONSTANT OUTPUT POWER VS. SWITCH-
ING FREQUENCY
HIGH-CURRENT OUTPUT DRIVE SUITABLE
FOR POWER MOSFET (1A)
FULLY LATCHED PWM LOGIC WITH DOU-
BLE PULSE SUPPRESSION
PROGRAMMABLE DUTY CYCLE
100%AND 50% MAXIMUM DUTY CYCLE LIMIT
PROGRAMMABLE SOFT START
PRIMARY OVERCURRENT FAULT DETEC-
TION WITH RE-START DELAY
PWM UVLO WITH HYSTERESIS
IN/OUT SYNCHRONIZATION
LATCHED DISABLE
INTERNAL 100ns LEADING EDGE BLANK-
ING OF CURRENT SENSE
PACKAGE: DIP16 AND SO16N
DESCRIPTION
This primary controller I.C., developed in BCD60II
technology, has been designed to implement off
BLOCK DIAGRAM
MULTIPOWER BCD TECHNOLOGY
DIP16
SO16N
ORDERING NUMBERS: L5993 (DIP16)
L5993D (SO16)
line or DC-DC power supply applications using a
fixed frequency current mode control.
Based on a standard current mode PWM control-
ler this device includes some features such as
programmable soft start, IN/OUT synchronization,
disable (to be used for over voltage protection and
for power management), precise maximum Duty
Cycle Control, 100ns leading edge blanking on
current sense, pulse by pulse current limit, over-
current protection with soft start intervention and
”constant power” function for cotrolling throughput
power in multisync monitor SMPS.
RCT
DC
DIS
C-POWER
ISEN
SS
SYNC
1
DC-LIM
15
VCC
8
2
TIMING
+
3
-
25V
+
T 15V/10V -
14 -
+
2.5V
DIS
+
16 -
BLANKING
SQ
R
PWM
OVER CURRENT
13
+
-
1.2V
FAULT
SOFT-START
VREF OK
CLK
DIS
7
2R
1V R
Vref
PWM UVLO
VREF
4
9
13V 10
11
+ 2.5V
E/A
-
5
VC
OUT
PGND
VFB
12
SGND
6
COMP
D97IN765
July 1999
1/22




L5993D pdf, 반도체, 판매, 대치품
L5993
ELECTRICAL CHARACTERISTICS (continued.)
Symbol
Parameter
OUTPUT SECTION
Collector Leakage
Fall Time
Rise Time
UVLO Saturation
SUPPLY SECTION
VCCON
Startup voltage
VCCOFF Minimum Operating Voltage
Vhys ULVO Hysteresis
IS Start Up Current
Iop Operating Current
Iq Quiescent Current
VZ Zener Voltage
SYNCHRONIZATION SECTION
V1 Clock Amplitude
I1 Clock Source Current
V1 Sync Pulse
I1 Sync Pulse Current
OVER CURRENT PROTECTION
Vt Fault Threshold Voltage
DISABLE SECTION
Shutdown threshold
ISH Shutdown Current
CONSTANT POWER
Test Condition
Min.
VCC = 20V VC = 24V
CO = 1nF
CO = 2.5nF
CO = 1nF
CO = 2.5nF
VCC = 0V to VCCON; Isink = 10mA
Before Turn-on at:
VCC = VCCON - 0.5V
CT = 1nF,RT = 13.3k, CO
=1nF
(After turn on), CT = 1nF,
RT = 13.3k, CO = 0nF
I8 = 20mA
14
9
4.5
40
21
Master Operation
ISOURCE = 0.8mA
Vclock = 3.5V
Slave Operation
Low Level
High Level
VSYNC = 3.5V
4
3
3.5
0.5
1.1
VCC = 15V
2.4
Typ.
2
20
35
50
70
15
10
5
75
9
7.0
25
7
1.2
2.5
330
Max.
20
60
100
1.0
16
11
120
13
10
30
1
1.3
2.6
Unit
µA
ns
ns
ns
ns
V
V
V
V
µA
mA
mA
V
V
mA
V
V
mA
V
V
µA
Figure 1. Quiescent current vs. input voltage.
Iq [mA]
30
20
8
V14 = 0, Pin2 = open
Tj = 25°C
6
4
0.2
0.15
0.1
0.05
0
0
4
4/22
8 12 16 20 24 28
Vcc [V]
Figure 2. Quiescent current vs. input voltage
(after disable).
Iq [µA]
350
300
250
200
150
100
50
0
04
V14 = Vref
Tj = 25 °C
8 12 16 20 24
Vcc [V]

4페이지










L5993D 전자부품, 판매, 대치품
Figure 15. Switching frequency vs. temperature. Figure 16. Dead time vs Ct.
L5993
fsw (KHz)
320
310
Rt= 4.5Kohm, Ct = 1nF
Vcc = 15V, V15= 0
Dead time [ns]
1,500
1,200
Rt =4.5Kohm
V15 = 0V
300
290
280
-50 -25
0
25 50 75
Tj (°C)
100 125 150
Figure 17. Maximum Duty Cycle vs Vpin3.
DC Control Voltage Vpin3 [V]
3.5
V15 = Vref
3
V15 = 0V
2.5
2
Rt = 4.5Kohm,
1.5 Ct = 1nF
1
0 10 20 30 40 50 60 70 80 90 100
Duty Cycle [%]
Figure 19. E/A frequency response.
900
V15 = Vref
600
300
2468
Timing capacitor Ct [nF]
10
Figure 18. Delay to output vs junction tem-
perature.
Delay to output (ns)
42
40
38
36
34
32 PIN10 = OPEN
1V pulse
30 on PIN13
28
-50 -25 0 25 50 75 100 125 150
Tj (°C)
G [dB]
150
Phase
140
120
100 100
80
50
60
0 40
20
0.01 0.1 1 10 100 1000 10000 100000
f (KHz)
7/22

7페이지


구       성 총 22 페이지수
다운로드[ L5993D.PDF 데이터시트 ]

당사 플랫폼은 키워드, 제품 이름 또는 부품 번호를 사용하여 검색할 수 있는

포괄적인 데이터시트를 제공합니다.


구매 문의
일반 IC 문의 : 샘플 및 소량 구매
-----------------------------------------------------------------------

IGBT, TR 모듈, SCR 및 다이오드 모듈을 포함한
광범위한 전력 반도체를 판매합니다.

전력 반도체 전문업체

상호 : 아이지 인터내셔날

사이트 방문 :     [ 홈페이지 ]     [ 블로그 1 ]     [ 블로그 2 ]



관련 데이터시트

부품번호상세설명 및 기능제조사
L5993

CONSTANT POWER CONTROLLER

STMicroelectronics
STMicroelectronics
L5993D

CONSTANT POWER CONTROLLER

STMicroelectronics
STMicroelectronics

DataSheet.kr       |      2020   |     연락처      |     링크모음      |      검색     |      사이트맵