參數(shù)資料
型號(hào): NCV8184DTRK
廠商: ON SEMICONDUCTOR
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: Micropower 70 mA Low Dropout Tracking Regulator/Line Driver
中文描述: ADJUSTABLE POSITIVE LDO REGULATOR, 0.6 V DROPOUT, PSSO4
封裝: DPAK-5
文件頁(yè)數(shù): 6/14頁(yè)
文件大?。?/td> 143K
代理商: NCV8184DTRK
NCV8184
http://onsemi.com
6
CIRCUIT DESCRIPTION
ENABLE Function
By pulling the V
REF
/ENABLE lead below 0.8 V, (see
Figure 16 or Figure 17), the IC is disabled and enters a sleep
state where the device draws less than 20 A from supply.
When the V
REF
/ENABLE lead is greater than 2.1 V, V
OUT
tracks the V
REF
/ENABLE lead normally.
Output Voltage
The output is capable of supplying 70 mA to the load
while configured as a similar (Figure 13), lower (Figure 15),
or higher (Figure 14) voltage as the reference lead. The Adj
lead acts as the inverting terminal of the op amp and the
V
REF
lead as the noninverting.
The device can also be configured as a highside driver as
displayed in Figure 18.
Figure 13. Tracking Regulator at the Same Voltage
Figure 14. Tracking Regulator at Higher Voltages
V
IN
V
OUT
GND
GND
V
REF
/
GND
GND
Adj
ENABLE
Loads
5.0 V
B+
C1*
1.0 F
C2**
10 F
V
OUT
, 70 mA
VOUT
VREF
V
IN
V
OUT
GND
GND
V
REF
/
GND
GND
Adj
ENABLE
Loads
V
REF
B+
C1*
1.0 F
C2**
10 F
V
OUT
, 70 mA
R
A
R
F
VOUT
VREF(1
RE
N
N
C3***
10 nF
C3***
10 nF
Figure 15. Tracking Regulator at Lower Voltages
Figure 16. Tracking Regulator with ENABLE Circuit
V
IN
V
OUT
GND
GND
V
REF
/
GND
GND
Adj
ENABLE
Loads
V
REF
B+
C1*
1.0 F
C2**
10 F
V
OUT
, 70 mA
VOUT
VREF(
R2
R1
R2)
R2
R1
V
IN
V
OUT
GND
GND
V
REF
/
GND
GND
Adj
ENABLE
from MCU
V
REF
B+
C1*
1.0 F
C2**
10 F
V
OUT
, 70 mA
R
N
N
C3***
10 nF
C3***
10 nF
Figure 17. Alternative ENABLE Circuit
Figure 18. HighSide Driver
V
IN
V
OUT
GND
GND
V
REF
/
GND
GND
Adj
ENABLE
10 F
V
IN
V
OUT
GND
GND
V
REF
/
GND
GND
Adj
ENABLE
MCU
B+
70 mA
VOUT
B
VSAT
** C2 is required for stability.
*** C3 is recommended for EMC susceptibility
* C1 is required if the regulator is far from the power source filter.
N
N
70 mA
I/O
C3***
10 nF
NCV8501
6.0 V40 V
V
IN
100 nF
V
REF
(5.0 V)
C
To Load
(e.g. sensor)
C1*
1.0 F
C3***
10 nF
相關(guān)PDF資料
PDF描述
NCV8184 Micropower 70 mA Low Dropout Tracking Regulator/Line Driver
NCV8184D Micropower 70 mA Low Dropout Tracking Regulator/Line Driver
NCV8184DR2 Micropower 70 mA Low Dropout Tracking Regulator/Line Driver
NCV8503PWADJG Micropower 400 mA LDO Linear Regulators with ENABLE, DELAY, Adjustable RESET, and General Use Comparator
NCV8503PWADJR2G Micropower 400 mA LDO Linear Regulators with ENABLE, DELAY, Adjustable RESET, and General Use Comparator
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