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參數資料
| 型號： | ST2L05R3018PS |
| 廠商： | 意法半導體 |
| 英文描述： | VERY LOW QUIESCENT CURRENT DUAL VOLTAGE REGULATOR |
| 中文描述： | 極低的靜態(tài)電流雙電壓調節(jié)器 |
| 文件頁數： | 21/24頁 |
| 文件大小： | 635K |
| 代理商： | ST2L05R3018PS |
ST2L05
6/24
OUTPUT1 AND OUTPUT2 DUAL SPECIFICATION (IO =10mA to 1A, TJ = 0 to 125°C, VI =4.5V to 7V,
CI =4.7F, CO1 =CO2 =4.7F, otherwise specified)
ELECTRICAL CHARACTERISTICS OF FIXED OUTPUT 1.5V (IO =10mA to 1A, TJ = 0 to 125°C,
VI =4.5V to7V, CI = 4.7F, CO1 =CO2 =4.7F, otherwise specified)
NOTE 1: Bandwidth of 10 Hz to 10KHz.
NOTE 2: 120Hz input ripple.
NOTE 3: CI = 20F, C1 and CO2 = 10F. CI,CO1 and CO2 are all X7R ceramic capacitors.
NOTE 4: Guaranteed by design, not tested in production.
NOTE 5: % undershoot or overshoot of VO.
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
IGND
Quiescent Current (Fixed/ADJ)
VI ≤ 7V
IOUT1,2 = 5mA to 1A
5
mA
IGND
Quiescent Current (Fixed/Fixed) VI ≤ 7V
IOUT1,2 = 5mA to 1A
7
mA
IST
Total Current Limit IO1 +IO2
2A
TSHDN Thermal Shutdown
175
°C
DTSHDN Thermal Shutdown Hysteresis
5
°C
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VO
Output Voltage 1.5V
IO = 5mA to 1A, VI = 4.75 to 5.25V
T = 25°C
1.47
1.5
1.53
V
VO
Output Voltage 1.5V
IO = 5mA to 1A, VI = 4.75 to 5.25V
1.455
1.5
1.545
V
O
Line Regulation
VI = 4.75 to 5.25V, IO = 5mA to 1A
15
mV
V
O
Load Regulation
VI = 4.75V, IO = 10mA to 1A
12
mV
VD
Dropout Voltage
V
O = -1%
IO = 1A
1.3
V
IS
Current Limit
VI = 5.5V
1
A
IOMIN
Min Output Current for
regulation
0mA
eN
RMS Output Noise (1)(4)
T = 25°C
0.003
%
SVR
Supply Voltage
Rejection (2)(4)
VI =5V
60
dB
V
O/IO
Transient Response
Change of VO with step
load change(3)(4)
VI =5V, IO = 1mA to 1A, tr ≥ 1s
10(5)
%
VI =5V, IO =1Ato 1mA, tf ≥ 1s
10(5)
V
O1/VI
Transient Response
Change of VOUT1 with
application of VI
(3)(4)
0 to 5V step input, IO = 1mA to 1A,
tr ≥ 1s
10(5)
%
V
O/IO
Transient Response Short
Circuit Removal
Response (3)(4)
VI =5V, IO = short to IO = 10mA
20(5)
%
TR
Thermal Regulation (4)
IO = 1A, tPULSE = 30ms
0.1
%/W
S
Temperature Stability (4)
0.5
%
S
Long Term Stability (4)
(1000Hrs)
TJ = 125°C
0.3
%
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