參數(shù)資料
型號: RT9183H-18CS
廠商: Richtek Technology Corporation
英文描述: Ultra Low Dropout 1.5A Linear Regulator
中文描述: 1.5A的超低壓差線性穩(wěn)壓器
文件頁數(shù): 8/15頁
文件大?。?/td> 337K
代理商: RT9183H-18CS
RT9183
Preliminary
2
DS9183-02 December 2003
www.richtek.com
Functional Pin Description
Typical Application Circuit
VIN = 3.3V
VIN
VOUT
GND
COUT
10uF
VOUT
2.5V, 1.5A
CIN
10uF
RT9183
(SOT-223 & TO-263)
--
Enable
VOUT
VIN
VOUT
EN
GND
ADJ
RT9183
VIN
R1
R2
C2
10uF
C1
10uF
(SOP-8 & TO-263-5)
C3
0.1 uF
VOUT
1
Enable
VOUT
VIN
VOUT
EN
GND
RT9183
IN
C2
10uF
C1
10uF
(SOP-8 & TO-263-5)
C3
0.1uF
V
C1
-
ADJ
Figure 1. 3.3V to 2.5V Regulator
Figure 2. Adjustable Operation
)Volts
R2
R1
(1
0.8
VOUT
+
×
=
Note: The value of R2 should be less
than 80k to maintain
regulation.
Figure 3. Fixed Operation with SOP-8 and TO-263-5 packages
Pin Name
Pin Function
EN
Chip Enable Control Input.
Note that the device will be in the unstable state if the pin is not connected.
VIN
Supply Input
GND
Common Ground
VOUT
Regulator Output
ADJ
The output voltage is set by the internal feedback resistors when this pin
grounded. If external feedback resistors are applied, the output voltage will be:
VOUT = 0.8 × (1 +
) Volts
2
1
R
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