參數(shù)資料
型號： CS51024AEDR16
元件分類： 穩(wěn)壓器
英文描述： 1 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDSO16
封裝： 0.150 INCH, SO-16
文件頁數(shù)： 5/12頁
文件大小： 121K
代理商： CS51024AEDR16
Power Supply Voltage, VCC............................................................................................................................................–0.3V, 20V
Driver Supply Voltage, VC..............................................................................................................................................–0.3V, 20V
SYNC, SLEEP, RTCT, SOFT START, VFB, SLOPE, ISENSE, UV, OV, ISET (Logic Pins)......................................–0.25V to VREF
Peak GATE Output Current.........................................................................................................................................................1A
Steady State Output Current..................................................................................................................................................± 0.2A
Operating Junction Temperature, TJ..................................................................................................................................... 150°C
Storage Temperature Range, TS ..................................................................................................................................–65 to 150°C
ESD (Human Body Model).........................................................................................................................................................2kV
Lead Temperature Soldering: Reflow .............................................................................60 sec. max above 183°C, 230°C peak
2
CS51021A/2A/3A/4A
Absolute Maximum Ratings
s Under Voltage Lockout
START Threshold (CS51021A/2A)
7.95
8.25
8.8
V
START Threshold (CS51023A/4A)
12.4
13
13.4
V
STOP Threshold
7.4
7.7
8.2
V
Hysteresis (CS51021A/2A)
0.50
0.75
1.00
V
Hysteresis (CS51023A/4A)
4
5
6
V
ICC @ Startup (CS51021A/2A)
VCC < UVSTART Threshold
40
75
A
ICC @ Startup (CS51023A/4A)
VCC < UVSTART Threshold
45
75
A
ICC Operating (CS51021A/3A)
7
9
mA
ICC Operating (CS51022A/4A)
6
8
mA
IC Operating
Includes 1nF Load
7
12
mA
s Voltage Reference
Initial Accuracy
TA = 25C, IREF = 2mA, VCC = 14V (Note1)
4.95
5
5.05
V
Total Accuracy
1mA<IREF<10mA
4.9
5
5.15
V
Line Regulation
8.2V < VCC < 18V, IREF = 2mA
6
20
mV
Load Regulation
1mA < IREF < 10mA
6
15
mV
NOISE Voltage
(Note 1)
50
V
OP Life Shift
T=1000 Hours (Note 1)
4
20
mV
FAULT Voltage
Force VREF
.90
× V
REF .93 × VREF
.95
× V
REF
V
OK Voltage
Force VREF
.94
× V
REF .96 × VREF .985 × VREF
V
OK Hysteresis
Force VREF
75
165
250
mV
Current Limit
Force VREF
-20
mA
s Error Amplifier
Initial Accuracy
TA=25°C, IREF = 2mA, VCC = 14V,
2.465
2.515
2.565
V
VFB = COMP (Note 1)
Reference Voltage
VFB = COMP
2.440
2.515
2.590
V
VFB Leakage Current
VFB = 0V
–0.2
–2
A
Open Loop Gain
1.4V < COMP < 4V (Note 1)
60
90
dB
Unity Gain Bandwidth
(Note 1)
1.5
2.5
MHz
COMP Sink Current
COMP = 1.5V, VFB = 2.7V
2
6
mA
COMP Source Current
COMP = 1.5V, VFB = 2.3V
–0.2
–0.5
mA
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Electrical Characteristics: Unless otherwise stated, specifications apply for –40°C < TA < 85°C, –40°C < TJ < 150°C,
3V < VC < 20V, 8.2V < VCC < 20V, RT = 12k, CT = 390pF.
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