Electronic Components Datasheet Search
  English  ▼

Delete All
ON OFF
ALLDATASHEET.COM

X  

Preview PDF Download HTML

PTQB425080 Datasheet(PDF) 3 Page - Texas Instruments

Click here to check the latest version.
Part No. PTQB425080
Description  200-W 48-V INPUT, 8-V OUTPUT, SEMI-REGULATED, ISOLATED DC-DC BUS CONVERTER
Download  14 Pages
Scroll/Zoom Zoom In 100% Zoom Out
Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
Logo 

PTQB425080 Datasheet(HTML) 3 Page - Texas Instruments

 
Zoom Inzoom in Zoom Outzoom out
 3 / 14 page
background image
www.ti.com
ELECTRICAL CHARACTERISTICS PTQB425080
PTQB425080
SLTS269A – DECEMBER 2006 – REVISED JANUARY 2007
(Unless otherwise stated, T
A =25°C, VI = 48 V, VO = 8 V, CO = 10 µF, and IO = IOmax
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
IO
Output Current
Over VI range
0
25
A
VI
Input Voltage Range
Over IO range
36
48
75
V
VO tol
Output Voltage Tolerance
Over VI and IO range
5.4
10.5
V
36
≤ V
I≤ 55 V
0.17
V/V
Regline
Line Regulation
55 < VI≤ 75 V, VO = 9.5 V
10
%
Regload
Load Regulation
Over IO range
40
mV/A
η
Efficiency
IO = IOmax
93%
VR
VO Ripple (pk-pk)
20 MHz bandwidth
100
mVpp
ITRIP
Overcurrent Threshold
Shutdown, followed by auto-recovery
35
A
OTP
Over Temperature
Temperature Measurement at thermal sensor. Hysteresis =
125
° C
Protection
10
°C nominal.
fs
Switching Frequency
Over VI range
275
kHz
VOFF
VI decreasing, IO = 10 A
32.5
UVLO
Undervoltage Lockout
V
VHYS
Hysteresis
1.5
On/Off Input: Negative Enable
VIH
Input High Voltage
2.4
Open(1)
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(1)
Referenced to –VI
V
VIL
Input Low Voltage
–0.2
0.8
IIL
Input Low Current
–0.5
mA
IISB
Standby Input Current
Output disabled (pin 2 status set to Off)
3
mA
CI
External Input Capacitance
Between +VI and –VI
0
100
µF
CO
External Output
Between +VO and –VO
0
3000
µF
Capacitance
Isolation Voltage
Input-to-output and input-to-case
1500
Vdc
Isolation Capacitance
Input-to-output
500
pF
Isolation Resistance
Input-to-output
10
M
Signal Amplitude
5
Vpk-pk
SmartSync Clock Drive
TTL Output signal for
fss
(pin 5)
synchronizing POL modules
Signal Frequency
275
kHz
(1)
The Remote On/Off input has an internal pull-up and may be controlled with an open collector (drain) interface. An open circuit
correlates to a logic high. Consult the application notes for interface considerations.
3
Submit Documentation Feedback


Html Pages

1  2  3  4  5  6  7  8  9  10  11  12  13  14 


Datasheet Download




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