TOP243 View Datasheet(PDF) - Power Integrations, Inc
Part Name
Description
Manufacturer
TOP243 Datasheet PDF : 52 Pages
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TOP242-250
ABSOLUTE MAXIMUM RATINGS(1)
DRAIN Voltage ............................................ -0.3 to 700 V
DRAIN Peak Current: TOP242 ............................... 0.72 A
TOP243 ............................... 1.44 A
TOP244 ............................... 2.16 A
TOP245 ............................... 2.88 A
TOP246 ............................... 4.32 A
TOP247 ............................... 5.76 A
TOP248 ............................... 7.20 A
TOP249 ............................... 8.64 A
TOP250 ............................. 10.08 A
CONTROL Voltage .......................................... -0.3 to 9 V
CONTROL Current ............................................... 100 mA
LINE SENSE Pin Voltage ................................ -0.3 to 9 V
CURRENT LIMIT Pin Voltage ..................... -0.3 to 4.5 V
MULTI-FUNCTION Pin Voltage .................... -0.3 to 9 V
FREQUENCY Pin Voltage ............................... -0.3 to 9 V
Storage Temperature ..................................... -65 to 150 °C
Operating Junction Temperature (2) ............... -40 to 150 °C
Lead Temperature (3) ............................................... 260 °C
Notes:
1. All voltages referenced to SOURCE, TA = 25 °C.
2. Normally limited by internal circuitry.
3. 1/16" from case for 5 seconds.
THGEeRnMeALraIMlPIEnDfAoNrCmEation & Table of Contents
Thermal Impedance: Y or F Package:
Notes:
Product Selector Guide 1 (θJA) (1) ....................................... 70 °C/W 1. Free standing with no heatsink.
(θJC) (2) ......................................... 2 °C/W 2. Measured at the back surface of tab.
P or G Package:
3. Soldered to 0.36 sq. inch (232 mm2), 2 oz. (610 gm/m2) copper clad.
Data Sheets (θJA) ...................... 45 °C/W(3); 35 °C/W(4) 4. Soldered to 1 sq. inch (645 mm2), 2 oz. (610 gm/m2) copper clad.
(θJC) (5) ....................................... 11 °C/W 5. Measured on the SOURCE pin close to plastic interface.
2
R Package:
6. Soldered to 3 sq. inch (1935 mm2), 2 oz. (610 gm/m2) copper
Application Notes (θJA) ... 80 °C/W(7); 37 °C/W(4); 27 °C/W(6)
clad.
(θJC) (5) ......................................... 2 °C/W 7. Soldered to foot print area, 2 oz. (610 gm/m2) copper clad.
3
Parameter
Conditions
Design Ideas 4
Symbol
(Unless Otherwise Specified)
Min Typ Max Units
See Figure 53
Design Tools 5
SOURCE = 0 V; TJ = -40 to 125 °C
CONTROL FUNCTIONS
Quality and Reliability 6
Switching
Frequency
(average)
Duty Cycle at
ONSET of Fre-
quency Reduction
Switching
Frequency near
0% Duty Cycle
f
OSC
Package Information FREQUENCY Pin
IC = 3 mA; Connected to SOURCE
124
132
140
TJ = 25 °C
FREQUENCY Pin
Connected to CONTROL
61.5
66
70.5
kHz
7
DPA-Switch DC-DC Seminar 8
DC(ONSET)
10
%
LinkSwitch & TinySwitch-II AC-DC Seminar 9
f
OSC (DMIN)
132 kHz Operation
30
6T6 kOHzPOSperwatioitnch-GX AC15-DC SemkiHnzar 10
Frequency Jitter
Deviation
Frequency Jitter
Modulation Rate
Maximum Duty
Cycle
∆f
fM
DCMAX
132 kHz Operation
±4
Sales R6e6pkHrzeOspeerantiotnatives an±d2 DistribuktHozrs 11
250
Hz
IC = ICD1
I
L
≤
I
L
(DC)
or
I
M
≤
I
M(DC)
IL or IM = 190 µA
75
28
78
38
83
50
%
34 H
9/02
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