For assistance or to order, call (800) 531-5782
查询PT5040供应商
PT5040 Series
1 AMP STEP-UP
INTEGRATED SWITCHING REGULATOR
Application Notes
Mechanical Outline
Product Selector Guide
Revised 6/30/98
• Wide Input Voltage Range
• 85% Efficiency
• Internal Over-Temperature
Protection
• Laser-trimmed Output Voltage
• Soft Start
The Power Trends’ PT5040 Series
is a 3-terminal Integrated Switching
Regulator (ISR) designed for use with
+5 volt systems that require an additional regulated +8 to +20 volts with up
to 1A of output current. These ISRs
are packaged in the 3 pin SIP configuration.
Ordering Information
PT5041o = +12 Volts
PT5042o = +15 Volts
PT5044o = +8 Volts
PT5045o = +9 Volts
PT5046o = +10 Volts
PT5047o = +18 Volts
PT5048o = +12.6 Volts
PT5049o = +20 Volts
NOTE: Boost Topology ISRs are not Short-Circuit Protected.
(PT1234X)
Case/Pin
Configuration
Vertical Through-Hole
Horizontal Through-Hole
Horizontal Surface Mount
N
A
C
Standard Application
1
PT5040
C1
C1 = Optional ceramic (1-5µF)
C2 = Optional ceramic (1-5µF)
C3 = Required Electrolytic (100µF)
2
COM
V
IN
(+)
Pin-Out Information PT Series Suffix
Pin Function
V
1
2
3 V
3
C2
OUT
V
(+)
C3
COM
in
GND
out
Pkg Style 100
Specifications
Characteristics
(Ta=25°C unless noted) Symbols Conditions Min Typ Max Units
Output Current I
Current Limit** I
Inrush Current I
o
cl
ir
t
ir
Input Voltage Range V
Output Voltage Tolerance ∆V
Line Regulation Reg
Load Regulation Reg
Vo Ripple/Noise V
Transient Response t
tr
V
in
o
line
load
n
os
Over Vin range Vo=20V 0.1* — 0.5 A
=18V 0.1* — 0.6 A
V
o
=12V 0.1* — 1.0 A
V
o
V
=15V 0.1* — 0.75 A
o
=8V 0.1* — 1.5 A
V
o
Vo=9V 0.1* — 1.25 A
Vin = +5V — 1.5 Iomax — A
Vin = +5V @ max I
On start up
Io = 0.1 to Iomax 4.75 — (V
Over Vin Range
Io = I
max, Ta
o
PT5047/5049 4.75 — 14 V
= -20°C to shutdown — ±1.5 ±3.0 %V
Over Vin range — ±0.5 ±1.0 %V
0.1 ≤ Io ≤ Iomax — ±0.5 ±1.0 %V
Vin= +5V, Io=Iomax —±2±5%V
25% load change — 500 — µSec
Vo over/undershoot — 3.0 5.0 %V
Efficiency η Vin= +5V, Io=0.5A, Vo= +12V — 85 — %
Switching Frequency ƒ
Absolute Maximum
Operating Temperature Range
Recommended Operating T
Temperature Range Over Vin and Io ranges Vo>15V -20 — 55*** °C
Thermal Resistance θ
Storage Temperature T
o
T
a — -20 — +85 °C
a
ja
s
Mechanical Shock Per Mil-STD-883D, Method 2002.3
Mechanical Vibration Per Mil-STD-883D, Method 2007.2,
Over Vin and Io ranges Vo<15V 500 650 800 kHz
Vo>15V 650 800 950 kHz
Free Air Convection, (40-60LFM) Vo<15V -20 — 70*** °C
Free Air Convection — 40 — °C/W
(40-60LFM)
1 msec, Half Sine, mounted to a fixture — 500 — G’s
20-2000 Hz, Soldered in a PC Board
Weight — 4.5 — grams
* ISR will operate down to no load with reduced specifications.
** Boost topology ISRs are not short circuit protected. *** See SOA Curves.
44
Power Trends, Inc. 27715 Diehl Road, Warrenville, IL 60555 (800) 531-5782 Fax: (630) 393-6902 http://www.powertrends.com
PT5040 SERIES
— 2.5 — A
—
1
—
o
-
1V) V
mSec
o
o
o
o
o
-40 — +125 °C
—5 —G’s
For assistance or to order, call (800) 531-5782
PT5040 Series
CHARACTERISTIC DATA
PT5041, +12.0 VDC (See Note 1) PT5042, +15.0 VDC (See Note 1)
5V to 3.x Converters
DATA SHEETS
5V Bus Products
Efficiency vs Output Current
100
90
80
70
Efficiency - %
60
50
40
0 0 .2 0.4 0 .6 0.8 1
Iout-(Amps)
Ripple Voltage vs Output Current
250
200
150
100
50
0
0 0.2 0.4 0.6 0 .8 1
Vin
Vin
11.0V
8.0V
6.0V
5.0V
5.0V
6.0V
8.0V
11.0V
Efficiency vs Output Current
100
90
80
70
Efficiency - %Ripple-(mV)PD-(Watts)
60
50
40
0 0.15 0.3 0.45 0.6 0.75
Iout-(Amps)
Ripple Voltage vs Output Current
250
200
150
100
50
0
0 0.15 0.3 0.45 0 .6 0.75
Iout-(Amps)Iout-(Amps)
Vin
Vin
14.0V
12.0V
10.0V
8.0V
6.0V
5.0V
5.0V
6.0V
8.0V
10.0V
12.0V
14.0V
Power Dissipation vs Output Current
2.5
2
1.5
PD-(Watts) Ripple-(mV)
1
0.5
0
0 0.2 0.4 0.6 0.8 1
Iout-(Amps)
Safe Operating Area (VIN=5V)
90
80
70
60
50
40
30
Ambient Temperature - (C°)
20
0 0.2 0.4 0.6 0.8 1
Vin
5.0V
6.0V
8.0V
11.0V
Airflow
0 LFM
60 LFM
90 LFM
Power Dissipation vs Output Current
3
2.5
2
1.5
1
0.5
0
0 0.15 0.3 0.45 0.6 0.75
Iout-(Amps)
Safe Operating Area (VIN=5V)
90
80
70
60
50
40
30
Ambient Temperature - (C°)
20
0.00 0.25 0.50 0.75
Maximum Output Current - (Amps)Maximum Output Current - (Amps)
Note 1: All data listed in the above graphs has been developed from actual products tested at 25°C. This data is considered typical data for the ISR.
Vin
5.0V
6.0V
8.0V
10.0V
12.0V
14.0V
Airflow
0 LFM
60 LFM
90 LFM
Power Trends, Inc. 27715 Diehl Road, Warrenville, IL 60555 (800) 531-5782 Fax: (630) 393-6902 http://www.powertrends.com
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