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參數(shù)資料
| 型號(hào)： | PT4493A |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT 100 W DC-DC BOOSTER MODULE |
| 封裝： | HORIZONTAL THROUGH HOLE-26 |
| 文件頁(yè)數(shù)： | 1/7頁(yè) |
| 文件大?。?/td> | 174K |
| 代理商： | PT4493A |
For technical support and more information, see inside back cover or visit www.ti.com
Standard Application
Features
18V to 36V Input Voltage Range
Programmable Output Voltage
Range: 6.5V to 17.5V
-40° to +85°C Ambient
1500 VDC Isolation
89% Efficiency
On/Off Inhibit
Differential Remote Sense
17A Output with PT4493
SLTS129B
(Revised 6/21/2002)
Description
The PT4476 Excalibur DC/DC
converter module combines state-of-the-
art power conversion technology with
un-paralleled flexibility. Incorporating
high efficiency and ultra-fast transient
response, these modules provide up to
8.5A of output current over the program-
mable voltage range of 6.5V to 17.5V.
The modules include a number of
inbuilt features to facilitate system
integration. These include a foldback
output current limit, over-temperature
protection, and an inhibit on/off control.
A differential remote sense is also provided
to compensate for voltage drop between
the converter and load.
For additional output current, one
PT4476 may be operated with up to two
PT4493 compatible booster modules.
Each PT4493 adds an additional 8.5A of
output current capability.
Over-Current Protection
Over-Temperature Protection
Over-Voltage Protection
Space-Saving Package
Solderable Copper Case
Safety Approvals:
UL 60950
CSA 22.2 950
VDE EN60950 Pending
L
O
A
D
PT4476
+V
sns
+V
out
-V
out
-V
sns
7
8-13
14-19
20
25
22
24
23
VID0 - VID4
+V
in
–V
in
1
2
3
Inhibit
C
1
+
PROGRAMMING PINS
+V
OUT
+V
IN
–V
IN
–V
OUT
C
o
+
21
C
2
Co = Optional 33F electrolytic capacitor
C1 = Optional 33F, 50V electrolytic capacitor
C2 = Optional 1F, 50V ceramic capacitor
Programming pins, VID0–VID4, are shown
configured for Vo =12V
For normal operation, pin 3 (Inhibit) must be
connected to –Vin.
Ordering Information
PT4476
o = 6.5 to 17.5 Volts
PT4493
o = 8.5-A Booster
PT Series Suffix (PT1234 x )
Case/Pin
Order
Package
Configuration
Suffix
Code *
Vertical
N
(EKD)
Horizontal
A
(EKA)
SMD
C
(EKC)
* Previously known as package styles 1200,
1210, and 1215.
(Reference the applicable package code draw-
ing for the dimensions and PC board layout)
Pin-Out Information
Pin
Function
1+Vin
2–Vin
3
Inhibit
4Vr
5Va
6
Do not connect
7
(+)Remote Sense
8+Vout
9+Vout
10 +Vout
11 +Vout
12 +Vout
13 +Vout
Pin
Function
14
–Vout
15
–Vout
16
–Vout
17
–Vout
18
–Vout
19
–Vout
20
(–)Remote Sense
21
VID0
22
VID1
23
VID2
24
VID3
25
VID4
26
DRV
PT4476—24V
100-W 8.5-A Programmable
Isolated DC/DC Converter
Pins 4, 5, & 26 are used for booster applications. For
stand-alone operation, leave open circuit.
Shaded functions indicate those pins that are
referenced to primary-side potential.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PT4493C | 功能描述:BOOSTER(PT4476)8.5A 24VIN HZ SMD RoHS:是 類別:電源 - 板載 >> 配件 系列:PT4470 標(biāo)準(zhǔn)包裝:1 系列:- 附件類型:測(cè)試板 適用于相關(guān)產(chǎn)品:- |
| PT4493N | 功能描述:BOOSTER(PT4476) 8.5A 24VIN VRT RoHS:是 類別:電源 - 板載 >> 配件 系列:PT4470 標(biāo)準(zhǔn)包裝:1 系列:- 附件類型:測(cè)試板 適用于相關(guān)產(chǎn)品:- |
| PT4494 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:100-W 20-A Programmable Isolated DC/DC Converter |
| PT4494A | 功能描述:BOOSTER(PT4474) 20A 24VIN HRZ RoHS:是 類別:電源 - 板載 >> 配件 系列:PT4470 標(biāo)準(zhǔn)包裝:1 系列:- 附件類型:測(cè)試板 適用于相關(guān)產(chǎn)品:- |
| PT4494C | 功能描述:BOOSTER(PT4474) 20A 24VIN HZ SMD RoHS:是 類別:電源 - 板載 >> 配件 系列:PT4470 標(biāo)準(zhǔn)包裝:1 系列:- 附件類型:測(cè)試板 適用于相關(guān)產(chǎn)品:- |
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