參數(shù)資料
型號(hào): LDR3318
廠商: 意法半導(dǎo)體
英文描述: VERY LOW DROP DUAL VOLTAGE REGULATOR
中文描述: 極低降雙電壓調(diào)節(jié)器
文件頁(yè)數(shù): 3/13頁(yè)
文件大?。?/td> 384K
代理商: LDR3318
LDRxxyy
3/13
Table 5: Electrical Characteristics
(V
I1
= V
O1
+2V, V
I2
= V
O2
+2V, V
INH1
= V
INH2
= 2.5V,
C
I1,2
= 2.2
μ
F, C
O1,2
= 4.7
μ
F, I
O1
= I
O2
= 10mA, T
A
= -40°C to 125°C, unless otherwise specified. Typical
values are referred at T
A
= 25°C)
(1): This test is not performed for V
<2.5V.
(2): Guaranteed by design, but not tested in production.
Figure 3: Typical Application Circuit
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V
O1
V
O2
V
DROP1
Dropout Voltage 1
(1)
V
DROP2
Dropout Voltage 2
(1)
V
O1
Line Regulation 1
V
O2
Line Regulation 2
V
O1
Load Regulation 1
V
O2
Load Regulation 2
I
STOT
Total Supply Current
I
S
1 Channel Supply Current
I
QMAX
Quiescent Current
I
SC1
Short Circuit Current 1
I
SC2
Short Circuit Current 2
V
INH-H
Enable Voltage HIGH
V
INH-L
Enable Voltage LOW
I
INH
Enable Pin Current
SVR
Supply Voltage Rejection
(2)
Output Voltage 1
Output Voltage 2
-5
-5
V
NOM1
V
NOM2
0.3
+5
+5
0.7
%V
%V
V
I
O1
= 500mA
I
O2
= 1A
V
I1
= V
O1
+2V to V
O1
+7V, I
O
= 250mA
V
I2
= V
O2
+2V to V
O2
+7V, I
O
= 500mA
V
I1
= V
O1
+2V, I
O1
= 10 to 500mA
V
I2
= V
O2
+2V, I
O2
= 10mA to 1A
I
O1
= I
O2
= NO LOAD
NO LOAD
I
O1
= 500mA, I
O2
= 1A
T
A
= 25°
T
A
= 25°
0.4
0.8
V
15
15
10
60
2
1
30
800
1.6
30
40
mV
mV
mV
mV
mA
mA
mA
mA
A
V
V
μA
dB
500
1
2.4
0.8
V
INH
= 5V
V
I1,2
= V
O1,2
+3V
±
1V, I
O1,2
= 10 mA,
f = 120Hz
Bandwidth of 10Hz to 100KHz
6
70
e
N
RMS Output Noise
(2)
0.003
%V
O
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