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參數(shù)資料
| 型號(hào)： | PT7756C |
| 英文描述： | Intelligent Power Switch 1 Channel High Side Driver in a D2-Pak 5-Lead Package |
| 中文描述： | 模擬IC |
| 文件頁數(shù)： | 1/6頁 |
| 文件大小： | 128K |
| 代理商： | PT7756C |
For technical support and more information, see inside back cover or visit www.ti.com/powertrends
Standard Application
Cin
= Required 560μF electrolytic
Cout= Optional 1μH input choke
L1
PT7750 Series
The PT7750 series is a +24V in-
put, 15 Amp output, high-
performance Integrated Switching
Regulator (ISR) housed in a 27-pin
SIP package. The 15A capability
allows easy integration of the latest
high-speed, low-voltage μPs and bus
drivers into +24V distributed power
systems.
The PT7750 series has been de-
signed to work in parallel with one or
For STBY* pin:
open = output enabled
Pin-Out Information
Pin Function
1
VID0
2
VID1
3
VID2
4
VID3
5
STBY* - Stand-by
6
VID4
7
V
in
8
V
in
9
V
in
10
V
in
11
V
in
12
Remote Sense Gnd
13
GND
Pin Function
14
GND
15
GND
16
GND
17
GND
18
GND
19
GND
20
V
out
21
V
out
22
V
out
23
V
out
24
V
out
25
V
out
26
Remote Sense Vout
27
Sync Out
more of the PT7747 current boosters
for increased Iout in increments of 15A.
The output voltage of the PT7750
series can be easily programmed over
a wide range with a 5-bit input. A
differential remote sense is provided
which automatically compensates for
any voltage drop from the ISR to the
load.
2000μF of output capacitance is
required for proper operation.
+24V bus input
High Efficiency
Differential Remote
Sense
27-pin SIP Package
Parallelable with
PT7747 15A current boosters
Features
PT7750
7 - 11
13 - 19
20 - 25
27
V
IN
GND
1μH
GND
V
OUT
C
OUT
+
C
IN
+
12
26
1
L1
SYNC OUT
LOAD
REMOTE SENSE (+)
REMOTE SENSE (-)
VID1
VID2
VID3
VID4
PROGRAMMING PINS
VID0
2
3
4
STBY*
5
6
SLTS053A
(Revised 6/30/2000)
Specifications
Characteristics
(T
a
= 25°C unless noted)
Output Current
PT7750 SERIES
Typ
—
—
—
18.7
—
—
±15
±10
75
100
200
88
84
80
Symbols
I
o
Conditions
T
a
=
+60°C, 200 LFM
T
a
=
+25°C, natural convection
0.1A
≤
I
o
≤
I
o
max
0.1A
≤
I
o
≤
I
o
max
V
= +24V, I
= 15A
0°C
≤
T
a
≤
+55°C
20V
≤
V
in
≤
28V, I
o
= I
o
max (w/remote sense)
V
in
= +24V, 0.1
≤
I
o
≤
I
o
max (w/remote sense)
V
in
= +24V, I
o
= I
o
max
I
o
step between 7.5A and 15A
V
o
over/undershoot
V
in
= +24V, I
o
= 10A
Min
0.1
(1)
0.1
(1)
20.0
—
—
—
—
—
—
—
—
—
—
—
Max
15
(2)
15
(2)
28.0
—
±
80
±160
—
—
—
—
—
—
—
—
Units
A
Input Voltage Range
Undervoltage Lockout Threshold
Output Voltage Tolerance
V
in
V
uvl
V
o
V
V
PT7751
PT7756
mV
Line Regulation
Load Regulation
V
o
Ripple/Noise
Transient Response
with C
out
= 2000μF
Efficiency
Reg
line
Reg
load
V
n
t
tr
V
os
η
mV
mV
mV
μSec
mV
V
o
= 5.0V
V
o
= 3.3V
V
o
= 2.5V
%
Switching Frequency
o
20V
≤
V
in
≤
28V
0.1A
≤
I
o
≤
15A
—
300
350
400
kHz
Absolute Maximum
Operating Temperature Range
Storage Temperature
Weight
Ta
0
—
+85
(3)
°C
T
s
—
—
Vertical/Horizontal
-40
—
—
53/66
+125
—
°C
grams
Notes
(1) ISR-will operate down to no load with reduced specifications. Please note that this product is not short-circuit protected.
(2) The PT7750 series can be easily paralleled with one or more of the PT7747 Current Boosters to provide increased output current in increments of 15A
(3) See safe operating area curves or contact the factory to determine the appropriate derating.
Output Capacitors:
The PT7750 series requires a minimum output capacitance of 2000μF for proper operation. Do not use Oscon type capacitors. The maximum allow-
able output capacitance is (42,000
÷
Vout)μF for the PT7751, (96,000
÷
Vout)μF for the PT7756, or 15,000μF, whichever is less.
Input Filter:
An input inductor is optional for most applications. The input inductor must be sized to handle 9ADC with a typical value of 1μH. The input capacitance
must be rated for a minimum of 8.0 Arms of ripple current when operated at maximum output current and maximum output voltage. Contact an applications
engineer for input capacitor selection for applications at other output voltages and output currents.
15 Amp 24V Input “Big Hammer III”
Programmable ISR
相關(guān)PDF資料 |
PDF描述 |
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| PT7756N | Intelligent Power Switch 1 Channel High Side Driver in a SO-8 Package |
| PT7761 | Intelligent Power Switch 1 Channel High Side Driver in a SO-8 Package |
| PT7761A | Intelligent Power Switch 1 Channel High Side Driver in a TO-220FL Package |
| PT7761C | Intelligent Power Switch 1 Channel High Side Driver in a D2-Pak 5-Lead Package |
| PT7761N | Intelligent Power Switch 1 Channel High Side Driver in a D2-Pak 5-Lead Package |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PT7756N | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 6.6-12.8Vout 15A 24V Input Prog ISR RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| PT7761 | 制造商:DATATRONIC 功能描述: |
| PT7761-5V | 制造商:TI 制造商全稱:Texas Instruments 功能描述:40-A Programmable Integrated Switching Regulator Module |
| PT7761A | 功能描述:DC/DC轉(zhuǎn)換器 1.3V to 3.5V 40-A 5V Input Prog ISR 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(biāo)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(fēng)格:SMD/SMT 封裝 / 箱體尺寸: |
| PT7761C | 功能描述:REG 1.3-3.5V 40A 5VIN PROG SMD RoHS:否 類別:電源 - 板載 >> DC DC Converters 系列:PT7760 設(shè)計(jì)資源:Maxi/Mini/Micro Design Guide, Appl Manual 標(biāo)準(zhǔn)包裝:1 系列:Maxi 類型:隔離 輸出數(shù):1 電壓 - 輸入（最小）:43V 電壓 - 輸入（最大）:110V Voltage - Output 1:15V Voltage - Output 2:- Voltage - Output 3:- 電流 - 輸出（最大）:* 電源（瓦） - 制造商系列:400W 電壓 - 隔離:* 特點(diǎn):* 安裝類型:通孔 封裝/外殼:模塊 尺寸/尺寸:4.60" L x 2.20" W x 0.54" H（116.8mm x 55.9mm x 13.7mm） 包裝:散裝 工作溫度:-55°C ~ 100°C 效率:* 電源（瓦特）- 最大:* |
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