參數(shù)資料
型號(hào)： PT4202C
廠商： TEXAS INSTRUMENTS INC
元件分類： 電源模塊
英文描述： 1-OUTPUT DC-DC REG PWR SUPPLY MODULE
封裝： SMT-18
文件頁(yè)數(shù)： 1/4頁(yè)
文件大?。?/td> 207K
代理商： PT4202C
For technical support and more information, see inside back cover or visit www.ti.com
PT42/4300 Series
Wide Input Voltage Range: 38V to 72V
83% Efficiency
1,500 VDC Isolation
18 Pin DIP Package
3.5 Million Hour MTBF
Meets FCC/EN55022 Class A
UL and CSA approved
No External Components Required
Adjustable Output Voltage
The PT4200 series of isolated DC/DC
converters advance the state-of-the-art for
board-mounted converters by employing
high switching frequencies, thick-film technol-
ogy and a high degree of silicon integration.
The high reliability and very low package
height makes these converters ideal for
Telecom and Datacom applications requiring
input-to-output isolation with board spacing
down to 0.6”.
The PT4200 series is offered in a unique
molded through-hole or SMD-DIP package
with single output voltages of 2V, 3.3V, 5V,
and 12V, dual outputs of ±5V, +5V/+3.3V, and
±12V.
Ordering Information
Through-Hole
PT4201A = 2V/1.5A
PT4202A = 3.3V/1.5A
PT4203A = 5V/1.2A
PT4204A = 12V/0.6A
PT4301A = ±5V/1A
PT4302A = +5.2V/1A,
+3.3V/1A
PT4303A = ±12V/0.25A
Surface Mount
PT4201C = 2V/1.5A
PT4202C = 3.3V/1.5A
PT4203C = 5V/1.2A
PT4204C = 12V/0.6A
PT4301C = ±5V/1A
PT4302C = +5.2V/1A,
+3.3V/1A
PT4303C = ±12V/0.25A
Pin-Out Information
Pin
Function
1Vout1
2Vout return
3Vout2 or N/C
4
Do not connect
5
Do not connect
6
Do not connect
7
Do not connect
8*
Vadj
9*
Nominal output
voltage resistor
10
Turn-on/off input
voltage adjust
11
Remote on/off
12
Do not connect
13
Do not connect
14
Do not connect
15
Do not connect
16
Do not connect
17
-Vin
18
+Vin
* Please note that when the Vout
adjust is not used, pin 8 must be
connected to pin 9.
3-7 Watt 48V-Input
Isolated DC/DC Converter
(For dimensions and PC
board layout, see Package
Style 900.)
PT42/4300
18
17
16
15
14
13
12
11
10
1
2
3
4
5
6
7
8
9
+Vin
-Vin
NC
RC
TOA
+Vout1
-Vout
+Vout2 or NC
NC
Vadj
NOR
Package (Top View)
SLTS023B
(Revised 1/3/2002)
Specifications
Characteristics
PT42/4300 SERIES
(T
a = 25°C unless noted)
Symbols
Conditions
Min
Typ
Max
Units
Output Current
Io
Over Vin range
Vo = 2V, 3.3V
0
—
1.5
A
Vo = 5V
0
—
1.2
A
Vo = 12V
0
—
0.6
A
Current Limit
Icl
Vin = 48V
Vo = 2V
2.0
—
3.3
A
Vo = 3.3V
1.7
—
3.3
A
Vo = 5V
1.4
—
2.4
A
Vo = 12V
0.7
—
1.2
A
On/Off Standby Current
Iin standby
Vin = 48V, Pin 11 = -Vin
—
0.5
—
mA
Short Circuit Current
Isc
Vin = 48V
Vo = 2V
—
2.8
—
A
Vo = 3.3V
—
2.4
—
A
Vo = 5V
—
1.9
—
A
Vo = 12V
—
1.2
—
A
Inrush Current
Iir
Vin = 48V @ max Io
—
0.6
1.0
A
tir
On start-up
—
1.0
5.0
mSec
Input Voltage Range
Vin
Over Io Range
38 (1)
48
72
V
Output Voltage Tolerance
V
o
Over Io Range
—
±4
—
%Vo
Idling Voltage
Vo
Io = 0A
Vo = 2V
—
2.7
3.0
V
Vo = 3.3V
—
3.65
4.0
V
Vo = 5V
—
5.6
6.0
V
Vo = 12V
—
14.3
17
V
Ripple Rejection
RR
Over Vin range @ 120 Hz
—
60
—
dB
Line Regulation
Regline
Over Vin range @ max Io
—
±0.5
—
%Vo
Load Regulation
Regload
10% to 100% of Io max
—
±3
—
%Vo
Vo Ripple/Noise
Vn
Vin= 48V, Io=Io max
—
3070mVpp
Transient Response
ttr
50% load change
—
100
300
Sec
Vo over/undershoot
—
3.0
5.0
%Vo
Efficiency
η
Vin=48V, Io=1.5A, Vo=2V
—
73
—
%
Vin=48V, Io=1.5A, Vo=3.3V
—
79
—
%
Vin=48V, Io=1.2A, Vo=5V
—
80
—
%
Vin=48V, Io=0.6A, Vo=12V
—
83
—
%
Switching Frequency
o
Over Vin and Io
—
485
—
kHz
Operating Temperature
Ta
Vin = 48V @ max Io
-40
—
+85
°C
Free air convection, (40-60LFM)
Pin Temperature
Tp
@ Pin1
—
95
°C
Storage Temperature
Ts
—
-55
—
+125
°C
Mechanical Shock
—
Per Mil-STD-202F, Method 213B,
—50
—
G’s
6mS half-sine, mounted to a PCB
Mechanical Vibration
—
Per Mil-STD-202F, Method 204D,
—10
—
G’s
10-500Hz, mounted to a PCB
Weight
—
20
—
grams
Isolation
—
1500
—
VDC
Flammability
—
Materials meet UL 94V-0
Notes: (1) The minimum input voltage is adjustable. See the specific application note on the PT4200/4205/4300 Series.
相關(guān)PDF資料
PDF描述
PT4204C 1-OUTPUT 7 W DC-DC REG PWR SUPPLY MODULE
PT4302A 2-OUTPUT DC-DC REG PWR SUPPLY MODULE
PT4203C 1-OUTPUT DC-DC REG PWR SUPPLY MODULE
PT4303A 2-OUTPUT DC-DC REG PWR SUPPLY MODULE
PT4302C 2-OUTPUT DC-DC REG PWR SUPPLY MODULE
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