參數(shù)資料
型號： PT7761A
英文描述： Intelligent Power Switch 1 Channel High Side Driver in a TO-220FL Package
中文描述： 模擬IC
文件頁數(shù)： 2/8頁
文件大?。?/td> 165K
代理商： PT7761A
For technical support and more information, see inside back cover or visit www.ti.com
VID4=1 VID4=0
Vout
2.0V
2.1V
2.2V
2.3V
2.4V
2.5V
2.6V
2.7V
2.8V
2.9V
3.0V
3.1V
3.2V
3.3V
3.4V
3.5V
VID3 VID2 VID1 VID0
1
1
1
1
1
1
1
1
1
0
1
0
1
0
1
0
0
1
0
1
0
1
0
1
0
0
0
0
0
0
0
0
Logic 0 = Pin 15 potential (Remote Sense GND)
Logic 1 = Open circuit (no pull-up resistors)
VID3 and VID4 may not be changed while the unit is operating.
Vout
1.30V
1.35V
1.40V
1.45V
1.50V
1.55V
1.60V
1.65V
1.70V
1.75V
1.80V
1.85V
1.90V
1.95V
2.00V
2.05V
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
* For STBY* pin:
Open =Output Enabled
Ground =Output Disabled
Pin Function
1
VID0
2
VID1
3
VID2
4
VID3
5
VID4
6
STBY *
7
Sync
8
No Connect
9
V
in
10
V
in
PT7761
—
5V
40-A Programmable Integrated
Switching Regulator Module
Pin Function
11
V
in
12
V
in
13
V
in
14
V
in
15
Rem Sense GND
2
16
GND
17
GND
18
GND
19
GND
20
GND
Pin Function
21
GND
22
GND
23
V
out
24
V
out
25
V
out
26
V
out
27
V
out
28
V
out
29
V
out
30
V
out
31
Rem Sense V
out
Pin-Out Information
Programming Information
Specifications
(Unless otherwise stated, T
a
=25°C, C
in
=1,500μF, C
out
=330μF, V
in
=5V, V
o
=3.3V, & I
o
=I
o
max)
PT7761
Typ
—
—
—
—
±0.75
±5
±5
Characteristics
Output Current
Symbols
I
o
Conditions
T
a
=25°C, Natural convection
T
a
=60°C, 200LFM, Pkg N
Over I
o
range
All output voltages
–40°C
≤
T
a
≤
85°C, I
o
=I
o
min
Over V
in
range
Over load range
Includes set-point, line, load,
–40°C
≤
T
a
≤
+85°C
I
o
=20A
Min
0.1
(1)
0.1
(1)
4.5
—
—
—
—
Max
40
38
5.5
±25
(2)
—
—
—
Units
A
Input Voltage Range
Set-Point Voltage Tolerance
Temperature Variation
Line Regulation
Load Regulation
Total Output Variation
V
in
V
o
tol
Reg
temp
Reg
line
Reg
load
V
o
tol
V
mV
%V
o
mV
mV
—
±1
±3
%V
o
Efficiency
η
V
o
= 3.3V
V
o
= 2.5V
V
o
= 1.8V
V
o
= 3.3V
V
o
= 2.5V
V
o
= 1.8V
—
—
—
—
—
—
—
—
—
—
300
90
89
83
86
85
80
50
50
100
75
350
—
—
—
—
—
—
—
—
—
—
400
%
I
o
=40A
%
V
o
Ripple (pk-pk)
Transient Response
V
r
t
tr
V
tr
I
sc(pk)
s
20MHz bandwidth
1A/μs load step from 50% to 100% I
o
max
V
o
over/undershoot
Reset and auto-recovery
Over V
in
and I
o
ranges
mV
μSec
mV
A
kHz
Short Circuit Threshold
Switching Frequency
Standby Control (pin 6)
Input High Voltage
Input Low Voltage
Input Low Current
Quiescent Current
External Output Capacitance
Operating Temperature Range
Storage Temperature
Mechanical Shock
V
IH
V
IL
I
IL
I
in
stby
C
out
T
a
T
s
Referenced to GND (pins 16–22)
2
-0.2
—
—
330
–40
(4)
-40
—
—
0.4
30
—
—
—
Open
(3)
0.8
—
—
30,000
+85
(5)
+125
V
Pin 6 to GND
Pin 6 to GND
Between +V
o
and GND
Over V
in
Range
—
Mil-STD-883D, Method 2002.3
1 msec, Half Sine, mounted to a fixture
Vertical
Horizontal
Vertical/Horizontal
Materials meet UL 94V-0
mA
mA
μF
°C
°C
—
—
—
—
TBD
TBD
(6)
TBD
(6)
55
—
—
—
—
G’s
Mechanical Vibration
Mil-STD-883D, 20-2000 Hz
Weight
Flammability
G’s
—
—
grams
Notes:
(1) ISR-will operate down to no load with reduced specifications.
(2) If the Remote Sense Ground (Pin 15) is not used, it must be connected to pin 16 for optimum output voltage accuracy.
(3) The Standby control (pin 6) has an internal pull-up, and if left open-circuit the module will operate when input power is applied.
(4) For operation below 0°C, C
and C
must have stable characteristics. Use either low ESR tantalum or Oscon capacitors.
(5) See safe Operating Area curves or consult factory for the appropriate derating.
(6) The case pins on the through-hole package types (suffixes N & A) must be soldered. For more information see the applicable package outline drawing.
External Capacitors:
The PT7761 series requires a minimum ouput capacitance of 330μF for proper operation. The PT7761 also requires a minimum input capacitance
of 1,500μF, which must be rated for a minimum of 1.4Arms of ripple current. For transient or dynamic load applications, additional capacitance may be required.
For further information refer to the application note regarding capacitor selection for this product.
Input Inductor:
An input inductor is optional for most applications. The input inductor must be sized to handle 30ADC with a typical value of 1μH.
相關PDF資料
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