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參數(shù)資料
| 型號： | PTEA404120N2AS |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT 50 W DC-DC REG PWR SUPPLY MODULE |
| 封裝： | ONE-EIGHTH BRICK PACKAGE-8 |
| 文件頁數(shù)： | 6/12頁 |
| 文件大?。?/td> | 151K |
| 代理商： | PTEA404120N2AS |
www.ti.com
ELECTRICAL CHARACTERISTICS PTEA404120A
SLTS274 – DECEMBER 2006
(Unless otherwise stated, T
A =25°C, VI = 48 V, VO = 12 V, CO = 0 F, and IO = IOmax)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
IO
Output Current
Over VI range
0
4.2
A
VI
Input Voltage Range
Over IO Range
35
48
75
V
VO tol
±1(1)
%VO
Set Point Voltage Tolerance
11.88
12
12.12
V
Regtemp
Temperature Variation
–40
°C >T
A > 85°C
±1.15
%VO
Regline
Line Regulation
Over VI range
±5
mV
Regload
Load Regulation
Over IO range
±5
mV
V
otot
Total Output Voltage Variation
Includes set-point, line, load, –40
°C >T
A > 85°C
±1.5
±3 %V
O
V
ADJ
Output Adjust Range
PO≤ 50 W and IO≤ 4.2 A
–40
10
%VO
η
Efficiency
IO = IOmax
91%
VR
VO Ripple (pk-pk)
20 MHz bandwidth
50
mVpp
ttr
0.1 A/
s slew rate, 50% to 75% I
Omax
500
s
Transient Response
V
tr
VO over/undershoot
200
mV
ITRIP
Overcurrent Threshold
Shutdown, followed by auto-recovery
7
A
OVP
Output Overvoltage Protection
Output shutdown and latch off
120
%VO
OTP
Over Temperature Protection
Temperature Measurement at thermal sensor. Hysteresis
115
° C
= 10
°C nominal.
fs
Switching Frequency
Over VI range
250
kHz
VOFF
VI decreasing, IO = 1 A
32.5
UVLO
Undervoltage Lockout
V
VHYS
Hysteresis
1.5
On/Off Input: Negative Enable
VIH
Input High Voltage
2.4
Open(2)
Referenced to –VI
V
VIL
Input Low Voltage
–0.2
0.8
IIL
Input Low Current
–0.3
mA
On/Off Input: Positive Enable
VIH
Input High Voltage
4.5
Open(2)
Referenced to –VI
V
VIL
Input Low Voltage
–0.2
0.8
IIL
Input Low Current
–0.3
mA
IISB
Standby Input Current
Output disabled (pin 2 status set to Off)
10
mA
CI
External Input Capacitance
Between +VI and –VI
0
100
F
Between +VO and –VO
0
1000
F
CO
External Output Capacitance
Equivalent Series Resistance
10
m
Isolation Voltage
Input-to-output and input-to-case
2000
Vdc
Isolation Capacitance
Input-to-output
1200
pF
Isolation Resistance
Input-to-output
10
M
(1)
If Sense(–) is not used, pin 5 must be connected to pin 4 for optimum output voltage accuracy.
(2)
The Remote On/Off input has an internal pull-up and may be controlled with an open collector (or open drain) interface. An open circuit
correlates to a logic high. Consult the application notes for interface considerations.
3
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| PTEA404120N2AZ | 制造商:TI 制造商全稱:Texas Instruments 功能描述:50-W, 48-V INPUT, 12-V OUTPUT, ISOLATED DC/DC CONVERTER |
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| PTEA404120P2AS | 制造商:TI 制造商全稱:Texas Instruments 功能描述:50-W, 48-V INPUT, 12-V OUTPUT, ISOLATED DC/DC CONVERTER |
| PTEA404120P2AZ | 制造商:TI 制造商全稱:Texas Instruments 功能描述:50-W, 48-V INPUT, 12-V OUTPUT, ISOLATED DC/DC CONVERTER |
| PTEA415050 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:15-A, 48-V INPUT, 5-V OUTPUT, ISOLATED, 1/8th BRICK DC/DC CONVERTER |
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