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參數(shù)資料
| 型號： | PTB48580BAS |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 電源模塊 |
| 英文描述： | 2-OUTPUT 30 W DC-DC REG PWR SUPPLY MODULE |
| 封裝： | DIP-8 |
| 文件頁數(shù)： | 1/13頁 |
| 文件大小： | 394K |
| 代理商： | PTB48580BAS |
For technical support and further information visit http://power.ti.com
Pin Configuration
Pin
Function
1+VI
2
Sync In
3
Enable *
4–VI
5+VO
6
COM
7VO Adjust
8–VO
Shaded functions indicate signals
that are referenced to –VI.
* Denotes negative logic:
Open
= Outputs Off
–VI
= Normal operation
Stand-Alone Application
PTB48580 Series
Dual Complementary-Output
DC/DC Converter for DSL
Features
Dual Complementary Outputs
(±5 V, ±12 V)
Input Voltage Range:
36 V to 75 V
On/Off Enable for Sequencing
1500 VDC Isolation
Over-Current Protection
Over-Temperature Shutdown
Under-Voltage Lockout
Temp Range: –40 to +85 °C
Industry Standard Outline
Fixed Frequency Operation
Synchronizes with PTB48500
Powers line driver ICs for AC-7
and other xDSL chipsets
Safety Approvals: (Pending):
EN60950
UL/cUL60950
Description
The PTB48580 series of isolated
DC/DC converter modules produce a
complementary pair of regulated supply
voltages for powering line-driver ICs in
xDSL telecom applications. The mod-
ules operate from a standard telecom
(-48 V) central office (CO) supply and
can provide up to a 30 W of power in a
balanced load configuration.
The A-suffix module (±5 V) is designed
to power the line driver ICs for the AC-7
ADSL chipset. Other voltage options will
power other analog applications requiring
a complementary supply with relatively
balanced loads. The outputs can also be
easily configured for single-ended use.
The modules incorporate an On/Off
enable control, output current limit,
over-temperature protection, and input
under-voltage lockout (UVLO) as stan-
dard features.
The control inputs, “Enable” and
“Sync In,” are compatible with the
“EN Out” and “Sync Out” signals of
the PTB48500 DC/DC converter.
This allows the power-up and switching
frequency of the PTB48580 series to be
directly controlled from a PTB48500.
Together a PTB48500 and a PTB48580A
converter meet all the system power
and sequencing requirements of an AC-7
ADSL chipset.
The PTB48580 series uses double-
sided surface mount contruction. The
package size is based on an industry
standard outline and does not require a
heatsink. Both through-hole and surface
mount pin configurations are available.
PTB48580
+VI
Enable
–VI
–VO
COM
6
8
L
O
A
D
–VO
+VI
–VI
1
3
4
COM
Sync In
±VO Adj
7
2
+VO
5
+VO
L
O
A
D
SLTS240 DECEMBER 2004
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| PTB48600AAZ | 功能描述:DC/DC轉(zhuǎn)換器 85 W Dual Comp-Out DC/DC Cnvrtr for DSL RoHS:否 制造商:Murata 產(chǎn)品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓（標稱）: 輸出端數(shù)量:1 輸出電壓（通道 1）:3.3 V 輸出電流（通道 1）:600 mA 輸出電壓（通道 2）: 輸出電流（通道 2）: 安裝風格:SMD/SMT 封裝 / 箱體尺寸: |
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