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參數(shù)資料
| 型號： | PT5816C |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 20-A 3.3-V Input Adjustable Integrated Switching Regulator |
| 中文描述： | 20 - 3.3 - V輸入可調(diào)集成開關(guān)穩(wěn)壓器 |
| 文件頁數(shù)： | 2/11頁 |
| 文件大?。?/td> | 202K |
| 代理商： | PT5816C |
For technical support and more information, see inside back cover or visit www.ti.com
PT5810 Series
20-A 3.3-V Input Adjustable
Integrated Switching Regulator
Specifications
(Unless otherwise stated, T
a
=25 °C, V
in
=3.3 V, V
out
=1.8 V, C
in
=1,000 μF, C
out
=330 μF, and I
o
=I
o
max)
PT5810 SERIES
Typ
Characteristics
Symbols
Conditions
Min
Max
Units
Output Current
Input Voltage Range
Set-Point Voltage Tolerance
Temperature Variation
Line Regulation
Load Regulation
Total Output Variation
I
o
V
in
V
o
tol
Reg
temp
Reg
line
Reg
load
Reg
tot
0
2.95
(1)
—
—
—
—
—
—
—
±0.5
±4
±2
20
3.65
±2
—
—
—
A
V
%V
o
%V
o
mV
mV
Over I
o
range
–40°C <T
a
< +85 °C
Over V
in
range
Over I
o
range
Includes set-point, line, load,
–40°C
≤
T
a
≤
+85 °C
I
o
=12 A
—
—
±3
%V
o
Efficiency
η
PT5812 (2.5 V)
PT5813 (1.8 V)
PT5814 (1.5 V)
PT5815 (1.2 V)
PT5816 (1.0 V)
—
—
—
—
—
—
93
90
89
87
84
20
—
—
—
—
—
—
%
V
o
Ripple (pk-pk)
Transient Response
V
r
20 MHz bandwidth
1 A/μs load step, 50 to 100 % I
o
max,
mVpp
t
tr
V
tr
I
TRIP
V
o
adj
Recovery Time
V
o
over/undershoot
—
—
—
—
—
250
50
120
30
±15
(2)
±5
300
—
—
—
—
—
350
μSec
mV
A
Over-Current Threshold
Output Voltage Adjust
Reset, followed by auto-recovery
With V
Adjust
With Margin Up/Dn
Over V
in
and I
o
ranges
Referenced to GND (pins 9–13)
%
Switching Frequency
Inhibit Control (pin 2)
Input High Voltage
Input Low Voltage
Input Low Current
Standby Input Current
External Input Capacitance
External Output Capacitance
Operating Temperature Range
Over-Temperature Protection
Solder Reflow Temperature
Storage Temperature
Reliability
s
kHz
V
IH
V
IL
I
IL
I
in
standby
C
in
C
out
T
a
OTP
T
reflow
T
s
MTBF
V
–0.5
–0.2
—
—
1,000
(4)
330
–40
—
—
-40
—
—
–0.2
5
—
—
—
110
—
—
Open
(3)
0.6
—
—
—
5,000
+85
(6)
—
215
(7)
+125
V
Pin 2 to GND
Pin 2 to GND
mA
mA
μF
μF
°C
°C
°C
°C
(5)
Over V
in
range
Measured at center of case, auto-reset
Surface temprature of module pins or case
—
Per Bellcore TR-332
50% stress, T
a
=40°C, ground benign
Mil-STD-883D, Method 2002.3
Half Sine, mounted to a fixture
Mil-STD-883D, Method 2007.2,
20-2000 Hz, PCB mounted
—
Materials meet UL 94V-0
(5)
5.8
—
—
10
6
Hrs
Mechanical Shock
—
500
—
G’s
Mechanical Vibration
—
20
(8)
—
G’s
Weight
Flammability
Notes:
(1) The minimum input voltage is equal to 2.95 V or Vout + 0.75 V, whichever is greater.
(2) This is a typical value. For the adjustment limits of a specific model consult the related application note on output voltage adjustment.
(3) The Inhibit control (pin 2) has an internal pull-upto V
, and if left open-circuit the module will operate when input power is applied. A small low-
leakage (<100nA) MOSFET is recommended to control this input. See application notes for more information.
(4) A 1,000 μF electrolytic input capacitor is required for proper operation. This capacitor must be rated for a minimumm of 0.7 Arms of ripple current.
(5) For operation below 0 °C, C
OUT
must have stable characteristics. Use either low-ESR tantalum or Oscon type capacitors.
(6) See SOA curves or consult factory for the appropriate derating.
(7) During solder reflow of SMD package version do not elevate the module case, pins, or internal component temperatures above a peak of 215 °C. For
further guidance refer to the application note, “Reflow Soldering Requirements for Plug-in Power Surface Mount Products,” (SLTA051)
(8) The case pins on the through-hole package types (suffixes N & A) must be soldered. For more information see the applicable package outline drawing.
—
—
—
20
—
grams
SLTS174 - JANUARY 2003 - REVISED APRIL 2003
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