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參數(shù)資料
| 型號： | P1596L-12-TA5-T |
| 廠商： | UNISONIC TECHNOLOGIES CO LTD |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 3.45 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, SFM5 |
| 封裝： | LEAD FREE, TO-220, 5 PIN |
| 文件頁數(shù)： | 4/7頁 |
| 文件大?。?/td> | 337K |
| 代理商： | P1596L-12-TA5-T |
P1596
LINEAR INTEGRATED CIRCUIT
UNISONICTECHNOLOGIESCO.,LTD
4 of 7
www.unisonic.com.tw
QW-R103-027,H
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
RATINGS
UNIT
Maximum Supply Voltage
VCC
28
V
Operating Voltage
VOPR
4.5 ~ 22
V
ON/OFF Pin Input Voltage
VON/OFF
-0.3 ~ +18
V
Feedback Pin Voltage
VFB
-0.3 ~ +18
V
Output Voltage to Ground (Steady State)
VOUT
-1
V
Power Dissipation
PD
Internally limited
W
Operating Temperature
TOPR
-40 ~ +125
°С
Storage Temperature
TSTG
-65 ~ +150
°С
Note Absolute maximum ratings are those values beyond which the device which the device could be permanently
damaged. Absolute maximum ratings are stress ratings only and functional device operation is not implied.
ELECTRICAL CHARACTERISTICS
(TJ=25°С, VIN=12V for the 2.5V 3.3V, 5V, and Adjustable version and VIN=24V for the 12V version, ILOAD=500mA.)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX UNIT
2.5V
3.8V≦VIN≦24V, 0.2A≦ILOAD≦1.5A
2.4
2.5
2.6
V
3.3V
4.75V≦VIN≦24V, 0.2A≦ILOAD≦1.5A
3.168
3.3
3.432
V
5.0V
7V≦VIN≦24V, 0.2A≦ILOAD≦1.5A
4.8
5.0
5.2
V
Output Voltage
12V
VOUT
15V≦VIN≦24V, 0.2A≦ILOAD≦1.5A
11.52
12
12.48
V
2.5V
VIN=12V, ILOAD=1.5A
73
%
3.3V
VIN=12V, ILOAD=1.5A
73
%
5.0V
VIN=12V, ILOAD=1.5A
80
%
Efficiency
12V
η
VIN=24V, ILOAD=1.5A
72
%
UTC P1596-ADJ
Output Feedback
VFB
4.75V≦VIN≦24V, 0.2A≦ILOAD≦1.5A
VOUT Programmed for 3V
1.193
1.23 1.267
V
Efficiency
η
VIN=12V, ILOAD=1.5A
78
%
ALL OUTPUT VOLTAGE
Feedback Bias Current
IBIAS
Adjustable Version Only, VFB=1.3V
-10
-50
nA
Oscillator Frequency
fOSC
(Note 1)
127
150
173
KHz
Saturation Voltage
VSAT
IOUT=2A (Note 2, 3)
1.25
1.4
V
Max Duty Cycle (ON)
Min Duty Cycle (OFF)
DC
(Note 3)
(Note 4)
100
0
%
Current Limit
ICL
Peak Current (Notes 2, 3)
1.8
2.25
3.45
A
Output=0V (Notes 2, 4)
-200
μA
Output Leakage Current
IL
Output=-1V (Note 5)
-5
mA
Quiescent Current
IQ
(Note 4)
5
10
mA
Standby Quiescent Current
ISTBY
ON/OFF Pin=5V (OFF) (Note 5)
70
150
μA
Note 1: The switching frequency is reduced when the second stage current limit is activated.
2: No diode, inductor or capacitor connected to output pin.
3: Feedback pin removed from output and connected to 0V to force the output transistor switch ON.
4: Feedback pin removed from output and connected to 12V for the 2.5V 3.3V, 5V, and the ADJ. version, and
15V for the 12V version, to force the output transistor switch OFF.
5: VIN = 24V
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