參數(shù)資料
型號(hào): RT9187-15PQV
廠商: Richtek Technology Corporation
英文描述: 1A, Ultra-Low Dropout, Ultra-Fast CMOS LDO Regulator
中文描述: 1A中,超低壓差,超高速的CMOS LDO穩(wěn)壓器
文件頁(yè)數(shù): 4/8頁(yè)
文件大小: 185K
代理商: RT9187-15PQV
RT9187
4
DS9187-08 August 2007
www.richtek.com
Absolute Maximum Ratings
(Note 1)
z
Supply Input Voltage-------------------------------------------------------------------------------------------------- 6V
z
EN Input Voltage ------------------------------------------------------------------------------------------------------- 6V
z
Power Dissipation, P
D
@ T
A
= 25
°
C
VDFN-8L 3x3 ----------------------------------------------------------------------------------------------------------- 0.923W
z
Package Thermal Resistance (Note 9)
VDFN-8L 3x3,
θ
JC
----------------------------------------------------------------------------------------------------- 8.2
°
C/W
VDFN-8L 3x3,
θ
JA
------------------------------------------------------------------------------------------------------ 108
°
C/W
z
Lead Temperature (Soldering, 10 sec.)--------------------------------------------------------------------------- 260
°
C
z
Junction Temperature------------------------------------------------------------------------------------------------- 15
0
°
C
z
Storage Temperature Range ----------------------------------------------------------------------------------------
65
°
C to 150
°
C
z
ESD Susceptibility (Note 2)
HBM ---------------------------------------------------------------------------------------------------------------------- 2kV
MM------------------------------------------------------------------------------------------------------------------------ 200V
Recommended Operating Conditions
(Note 3)
z
Supply Input Voltage-------------------------------------------------------------------------------------------------- 2.5V to 5.5V
z
EN Input Voltage ------------------------------------------------------------------------------------------------------- 0V to 5.5V
z
Junction Temperature Range----------------------------------------------------------------------------------------
40
°
C to 125
°
C
z
Ambient Temperature Range----------------------------------------------------------------------------------------
40
°
C to 85
°
C
Electrical Characteristics
(V
IN
= V
OUT
+ 1V, V
EN
= V
IN
, C
IN
= C
OUT
= 2.2
μ
F (Ceramic) & C
BP
= 10n
F, T
A
= 25
°
C unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Units
Output Voltage Accuracy
(Fixed Output Voltage)
Δ
V
OUT
I
OUT
= 10mA
2
0
+2
%
Output Voltage Range (Adjustable)
V
OUT_Adj
0.8
--
4.5
V
Quiescent Current (Note 6)
I
Q
V
EN
V
IH
, I
OUT
= 0mA
--
380
500
μ
A
Standby Current (Note 7)
I
STBY
V
EN
V
IL
,V
IN
= 3.3V
R
LOAD
= 0.5
Ω
, V
IN
= 3.3V
I
OUT
= 0.25A (Note 8)
--
0.1
1
μ
A
Current Limit
I
LIM
2
2.8
3
A
--
60
100
I
OUT
= 0.5A
I
OUT
= 1.0A
--
120
180
Dropout Voltage (Note 4)
V
DROP
--
240
360
mV
Load Regulation (Note 5)
(Fixed Output Voltage)
Δ
V
LOAD
V
IN
= (V
OUT
+ 0.5V)
10mA < I
OUT
< 1.0A
--
0.4
--
%/A
Logic-Low Voltage
V
IL
V
IN
= 3.3V
--
--
0.6
EN Threshold
Logic-High Voltage
V
IH
V
IN
= 3.3V
1.8
--
--
V
Enable Pin Current
I
EN
V
IN
= 3.3V, Enable
--
0.1
1
μ
A
f = 100Hz
--
60
--
Power Supply
Rejection Rate
f = 10kHz
PSRR
I
OUT
= 300mA
--
50
--
dB
To be continued
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