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參數(shù)資料
| 型號： | PT5827A |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 16 A SWITCHING REGULATOR, 400 kHz SWITCHING FREQ-MAX, SMA18 |
| 封裝： | HORIZONTAL MOUNT PACKAGE-18 |
| 文件頁數(shù)： | 5/12頁 |
| 文件大?。?/td> | 207K |
| 代理商： | PT5827A |
For technical support and more information, see inside back cover or visit www.ti.com
PT5820 Series
16-A 12-V Input Adjustable
Integrated Switching Regulator
Performance Specifications (Unless otherwise stated, Ta =25°C, Vin =12V, Cin =560F, Cout =330F, and Io =Iomax)
PT5820 Series
Characteristics
Symbols
Conditions
Min
Typ
Max
Units
Output Current
Io
0—
16
A
Input Voltage Range
Vin
Over Io range
10.8
—
13.2
V
Set-Point Voltage Tolerance
Vo tol
—
±2
%Vo
Temperature Variation
Regtemp
–40°C <Ta < +85°C
—
±0.5
—
%Vo
Line Regulation
Regline
Over Vin range
—
±6
—
mV
Load Regulation
Regload
Over Io range
—
±12
—
mV
Total Output Variation
Regtot
Includes set-point, line, load,
——±3
%Vo
–40°C
≤ Ta ≤ +85°C
Efficiency
η
PT5827 (5.0V)
—
93
—
PT5821 (3.3V)
—
90
—
PT5822 (2.5V)
—
88
—
PT5823 (1.8V)
—
84
—
%
PT5824 (1.5V)
—
82
—
PT5825 (1.2V)
—
80
—
PT5826 (1.0V)
—
77
—
Vo Ripple (pk-pk)
Vr
20MHz bandwidth
—
20
—
mVpp
Transient Response
1A/s load step, 50% to 100% Iomax,
ttr
Recovery Time
—
50
—
Sec
Vtr
Vo over/undershoot
—
70
—
mV
Over-Current Threshold
ITRIP
Reset, followed by auto-recovery
—
22
—
A
Output Voltage Adjust
Vo adj
with Vo Adjust
—
±10
—
%
with Margin Up/Down
—
±5
—
Switching Frequency
s
Over Vin and Io ranges
300
350
400
kHz
Inhibit Control (pin 2)
Referenced to GND (pins 9–13)
Input High Voltage
VIH
Vin –0.5
—
Open (1)
V
Input Low Voltage
VIL
–0.2
—
0.8
Input Low Current
IIL
Pin 2 to GND
—
–0.5
—
mA
Standby Input Current
Iin standby
Pin 2 to GND
—
2
—
mA
External Input Capacitance
Cin
560 (2)
——F
External Output Capacitance
Cout
330 (3)
—
TBD
F
Operating Temperature Range
Ta
Over Vin range
–40
—
+85 (4)
°C
Over-Temperature Shutdown
OTP
Center of case, auto-reset
Vo≥3.3V
—
TBD
—
°C
Vo≤2.5V
—
TBD
—
Storage Temperature
Ts
—
-40
—
+125
°C
Reliability
MTBF
Per Bellcore TR-332
6.3
—
106 Hrs
50% stress, Ta =40°C, ground benign
Mechanical Shock
Mil-STD-883D, Method 2002.3
—
TBD
—
G’s
Half Sine, mounted to a fixture
Mechanical Vibration
Mil-STD-883D, Method 2007.2,
Vertical
20-2000 Hz, PCB mounted
Horizontal
—
TBD (5)
—G’s
Weight
—
20
—
grams
Flammability
—
Materials meet UL 94V-0
Notes: (1) The Inhibit control (pin 2) has an internal pull-up to 12V (Vin), 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.
(2) A 560F electrolytic input capacitor is required for proper operation. The capacitor must be rated for a minimumm of 1.3Arms of ripple current. For
further information, consult the related application note on capacitor selection.
(3) An external 330F output capacitor is required for proper operation. Distributed load capacitance can be included in this value.
(4) See SOA curves or consult factory for the appropriate derating.
(5) The case pins on the through-hole package types (suffixes N & A) must be soldered. For more information see the applicable package outline drawing.
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