Electronic Components Datasheet Search
  English  ▼

Delete All
ON OFF
ALLDATASHEET.COM

X  

Preview PDF HTML

SG1846 Datasheet(PDF) 2 Page - Microsemi Corporation

Part No. SG1846
Description  CURRENT MODE PWM CONTROLLER
Download  10 Pages
Scroll/Zoom Zoom In 100% Zoom Out
Maker  MICROSEMI [Microsemi Corporation]
Homepage  http://www.microsemi.com
Logo 

SG1846 Datasheet(HTML) 2 Page - Microsemi Corporation

 
Zoom Inzoom in Zoom Outzoom out
 2 / 10 page
background image
SG1846
4/90 Rev 1.1 2/94
LINFINITY Microelectronics Inc.
Copyright
© 1994
11861 Western Avenue
∞ Garden Grove, CA 92841
2
(714) 898-8121
∞ FAX: (714) 893-2570
ABSOLUTE MAXIMUM RATINGS (Note 1 and 2)
Sync Output Current ........................................................... 5mA
Error Amplifier Output Current ............................................ 5mA
Oscillator Charging current (Pin 9) ..................................... 5mA
Operating Junction Temperature
Hermetic (J, L, F Packages) ........................................ 150°C
Plastic (N, DW Package) ............................................. 150°C
Storage Temperature Range ............................ -65°C to 150°C
Lead Temperature (Soldering, 10 Seconds) .................. 300°C
Supply Voltage (+V
IN ) .......................................................... 40V
Collector Supply Voltage(V
C) .............................................. 40V
Analog Inputs (Pins 3, 4, 5, 6, & 16) ...................... -0.3V to +V
IN
Logic Input ........................................................... -0.3V to 5.5V
Soure/Sink Load current (continuous) .......................... 200mA
Source/Sink Load Current (peak, 200ns) ...................... 500mA
Reference Load Current .................................................. 30mA
Soft Start Sink Current ..................................................... 50mA
Note 1. Values beyond which damage may occur.
Note 2. Pin numbers refer to ceramic J package.
THERMAL DATA
J Package:
Thermal Resistance-Junction to Case,
θ
JC ..................
30°C/W
Thermal Resistance-Junction to Ambient,
θ
JA .............. 80°C/W
N Package:
Thermal Resistance-Junction to Case,
θ
JC ..................
40°C/W
Thermal Resistance-Junction to Ambient,
θ
JA .............
65°C/W
DW Package:
Thermal Resistance-Junction to Case,
θ
JC ................... 40°C/W
Thermal Resistance-Junction to Ambient,
θ
JA .............
95°C/W
F Package:
Thermal Resistance-Junction to Case,
θ
JC ..................
70°C/W
Thermal Resistance-Junction to Ambient,
θ
JA ...........
115°C/W
L Package:
Thermal Resistance-Junction to Case,
θ
JC ..................
35°C/W
Thermal Resistance-Junction to Ambient,
θ
JA ...........
120°C/W
Note A. Junction Temperature Calculation: T
J
= T
A
+ (P
D
x
θ
JA
).
Note B. The above numbers for
θ
JC are maximums for the limiting
thermal resistance of the package in a standard mount-
ing configuration. The
θ
JA numbers are meant to be
guidelines for the thermal performance of the device/pc-
board system. All of the above assume no ambient
airflow.
5.10
5
3
0.4
100
5
-45
Reference Section
T
J = 25°C, IO = 1mA
V
IN = 8V to 40V
I
L = 1mA to 10mA
Line, Load and Temperature
10Hz
≤ f ≤ 10KHz. T
J = 25°C
T
J = 125°C, 1000Hrs.
V
REF = 0V
5.05
5.00
-10
Output Voltage
Line Regulation
Load Regulation
Temperature Stability (Note 4)
Total Output Variation (Note 4)
Output Noise Voltage (Note 4)
Long Term Stability (Note 4)
Short Circuit Output Current
Oscillator Timing Resistor (R
T) ........................... 2KΩ to 100KΩ
Oscillator Timing Capacitor (C
T) .................... 1000 pF to 0.1µF
Operating Ambient Temperature Range
SG1846 ........................................................... -55°C to 125°C
SG2846 ............................................................. -25°C to 85°C
SG3846 ................................................................ 0°C to 70°C
Note 3. Range over which the device is functiona
l.
RECOMMENDED OPERATING CONDITIONS (Note 3)
Supply Voltage Range ............................................... 8V to 40V
Collector Supply Voltage Range ............................. 4.5V to 40V
Source/Sink Output Current (continuous) ...................... 100mA
Source/Sink Output Current (peak 200ns) .................... 200mA
Reference Load Current ........................................... 0 to 10mA
Oscillator Frequency Range ........................... 1KHz to 500KHz
ELECTRICAL CHARACTERISTICS
(Unless otherwise specified, these specifications apply over the operating ambient temperatures for SG1846/SG1847 with -55
°C ≤ T
A ≤ 125°C, SG2846
with -25
°C ≤ T
A
85
°C, SG3846 with 0°C ≤ T
A
70
°C, +V
IN
= 15V. Low duty cycle pulse testing techniques are used which maintains junction and
case temperatures equal to the ambient temperature.)
Units
SG1846
SG2846
SG3846
Parameter
Test Conditions
5.15
20
15
5.20
5.00
4.95
-10
Min. Typ. Max.
Min. Typ. Max.
5.10
5
3
0.4
100
5
-45
5.20
20
15
5.25
V
mV
mV
mV/°C
V
µV
mV
mA


Html Pages

1  2  3  4  5  6  7  8  9  10 


Datasheet Download



Related Electronics Part Number

Part NumberComponents DescriptionHtml ViewManufacturer
HV9605CHigh Voltage Current Mode PWM Controller 1 2 3 4 5 Supertex, Inc
UC1848Average Current Mode PWM Controller 1 2 3 4 5 MoreTexas Instruments
CS51021Enhanced Current Mode PWM Controller 1 2 3 4 5 MoreCherry Semiconductor Corporation
DBL3842CURRENT MODE PWM CONTROLLER 1 2 3 4 5 MoreDaewoo Semiconductor
SG1844CURRENT MODE PWM CONTROLLER 1 2 3 4 5 MoreMicrosemi Corporation
CM3842CURRENT MODE PWM CONTROLLER 1 2 3 4 5 MoreList of Unclassifed Manufacturers
UC2842ACurrent Mode PWM Controller 1 2 3 4 5 MoreTexas Instruments
ISL8843Industry Standard Single-Ended Current Mode PWM Controller 1 2 3 4 5 MoreIntersil Corporation
TC170CMOS Current Mode PWM Controller 1 2 3 4 5 MoreMicrochip Technology
UC184XACURRENT MODE PWM CONTROLLER 1 2 3 4 5 MoreMicrosemi Corporation

Link URL




Privacy Policy
ALLDATASHEET.COM
Does ALLDATASHEET help your business so far?  [ DONATE ]  

About Alldatasheet   |   Advertisement   |   Datasheet Upload   |   Contact us   |   Privacy Policy   |   Alldatasheet API   |   Link Exchange   |   Manufacturer List
All Rights Reserved© Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn