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參數(shù)資料
| 型號： | EP53F8QI |
| 廠商： | ENPIRION INC |
| 元件分類： | 穩(wěn)壓器 |
| 中文描述： | 1.5 A SWITCHING REGULATOR, 4000 kHz SWITCHING FREQ-MAX, QCC16 |
| 封裝： | 3 X 3 MM, 1.10 MM HEIGHT, HAOLOGEN FREE AND ROHS COMPLIANT, QFN-16 |
| 文件頁數(shù)： | 6/11頁 |
| 文件大小： | 259K |
| 代理商： | EP53F8QI |
01542
4/3/2009
Rev:A
EP53F8QI
Enpirion 2009 all rights reserved, E&OE
4
www.enpirion.com
Electrical Characteristics
Typical values for VIN = 5V and TA =25°C, unless otherwise noted.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNITS
Operating Input Voltage
VIN
2.4
5.5
V
Under Voltage Lockout
VUVLO
VIN going low to high
2.2
V
Under Voltage Lockout
VUVLO
VIN going high to low
2.1
V
VFB Voltage Initial
Accuracy
VFB
TA = 25 °C; VIN = 5V
ILOAD = 100 mA
0.588
0.600
0.612
V
Line Regulation
2.4 V
≤ VIN ≤ 5.5V
0.0031
%/V
Load Regulation
ILOAD = 0 to 1.5A
0.420
%/A
Temperature Variation
-40°C
≤ TA ≤ +85°C
0.0012
%/°C
Soft Start Slew Rate
0.975
1.5
2.025
V/ms
VFB, ENABLE, Pin Input
Current (Note 1)
-40°C
≤ TA ≤ +85°C
-40
+40
nA
Logic Low
0.0
0.4
V
ENABLE Voltage
Threshold
Logic High
1.4
VIN
V
POK Upper Threshold
VOUT Rising
111
%
POK Upper Threshold
VOUT Falling
102
%
POK Lower Threshold
VOUT Rising;
percent of VOUT Nominal
92
%
POK Lower Threshold
VOUT Falling;
percent of VOUT Nominal
90
%
POK Low Voltage
ISINK = 5 mA, -40°C ≤ TA ≤ +85°C
0.15
0.4
V
POK Pin VOH Leakage
Current
POK High, -40°C
≤ TA ≤ +85°C
500
nA
Shutdown Current
ENABLE Low
14
μA
Current Limit Threshold
2.4 V
≤ VIN ≤ 5.5 V,
-40°C
≤ TA ≤ +85°C
2.0
3.2
A
Dropout Resistance
250
360
m
Ω
Operating Frequency
FOSC
4
MHz
Note 1:
VFB, ENABLE pin input current specification is guaranteed by design.
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