参数资料
型号: PT7777N
厂商: TEXAS INSTRUMENTS INC
元件分类: 稳压器
英文描述: 32 A SWITCHING REGULATOR, 750 kHz SWITCHING FREQ-MAX, SMA27
封装: VERTICAL THROUGH HOLE, SIP-27
文件页数: 2/4页
文件大小: 196K
代理商: PT7777N
Ordering Information
PT7777t
t
t = 1.3 to 3.5 Volts
Programming Information
VID4=1 VID4=0
VID3 VID2 VID1 VID0
Vout
1
2.0V
1.30V
1
0
2.1V
1.35V
1
0
1
2.2V
1.40V
1
0
2.3V
1.45V
1
0
1
2.4V
1.50V
1
0
1
0
2.5V
1.55V
1
0
1
2.6V
1.60V
1
0
2.7V
1.65V
0
1
2.8V
1.70V
0
1
0
2.9V
1.75V
0
1
0
1
3.0V
1.80V
0
1
0
3.1V
1.85V
0
1
3.2V
1.90V
0
1
0
3.3V
1.95V
0
1
3.4V
2.00V
0
3.5V
2.05V
Logic 0 = Pin 12 potential (remote sense gnd)
Logic 1 = Open circuit (no pull-up resistors)
VID3 and VID4 may not be changed while the unit
is operating.
For dimensions and PC board layout,
see Package Style 1020 and 1030
+5V input
5-bit Programmable:
1.3V to 3.5V@32A
High Efficiency
Input Voltage Range:
4.5V to 5.5V
Differential Remote
Sense
27-pin SIP Package
Features
Efficiency vs Output Current (@Vout=+3.3V)
Efficiency
(%)
Efficiency
(%)
Efficiency
(%)
Efficiency
(%)
Efficiency
(%)
Output Current (A)
Safe Operating Area (@Vin=+5V, Vout=+3.3V, Pkg N)
Output Current (A)
Ambient
T
Ambient
T
Ambient
T
Ambient
T
Ambient
T
emperaturemperaturemperaturemperaturemperatur
e
(°C)
e
(°C)
e
(°C)
e
(°C)
e
(°C)
Airflow
Recommended Maximum
Operating Temperature
Note: SOA curves represent operating conditions at
which internal components are at or below manufacturer’s
maximum rated operating temperatures.
Power Dissipation vs Output Current (@Vout=+3.3V)
Pd
(W
Pd
(W
Pd
(W
Pd
(W
Pd
(W
atts)atts)atts)atts)atts)
Output Current (A)
Output Ripple vs Output Current (@Vout=+3.3V)
Ripple
(mVpp)
Ripple
(mVpp)
Ripple
(mVpp)
Ripple
(mVpp)
Ripple
(mVpp)
Output Current (A)
Vin
For assistance or to order, call (800) 531-5782
Power Trends, Inc. 27715 Diehl Road, Warrenville, IL 60555 (800) 531-5782 Fax: (630) 393-6902 http://www.powertrends.com
CHARACTERISTIC DA T A
Series
PT7777
PT Series Suffix (PT1234X)
Case/Pin
Configuration
Vertical Through-Hole
N
Horizontal Through-Hole
A
Horizontal Surface Mount
C
60
70
80
90
100
0
4
8
12
16
20
24
28
32
4.5V
5.0V
5.5V
0
2
4
6
8
10
12
14
16
18
20
0
4
8
1216
2024
2832
4.5V
5.0V
5.5V
0
5
10
15
20
25
30
35
40
0
4
8
12
16
20
24
28
32
4.5V
5.0V
5.5V
20
30
40
50
60
70
80
90
0
4
8
12
16
20
24
28
32
Nat. Conv
60 LFM
120 LFM
200 LFM
相关PDF资料
PDF描述
PT7777A 32 A SWITCHING REGULATOR, 750 kHz SWITCHING FREQ-MAX, SMA27
PT7777C 32 A SWITCHING REGULATOR, 750 kHz SWITCHING FREQ-MAX, SMA27
PT7778A 32 A SWITCHING REGULATOR, 400 kHz SWITCHING FREQ-MAX, SMA27
PT7778C 32 A SWITCHING REGULATOR, 400 kHz SWITCHING FREQ-MAX, SMA27
PT7779A SWITCHING REGULATOR, SMA27
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