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參數(shù)資料
| 型號(hào)： | MAX6018BEUR21-T |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | Precision, Micropower, 1.8V Supply, Low-Dropout, SOT23 Voltage Reference |
| 中文描述： | 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 2.048 V, PDSO3 |
| 封裝： | SOT-23, 3 PIN |
| 文件頁(yè)數(shù)： | 8/9頁(yè) |
| 文件大?。?/td> | 300K |
| 代理商： | MAX6018BEUR21-T |
M
Precision, Micropower, 1.8V Supply,
Low-Dropout, SOT23 Voltage Reference
8
_______________________________________________________________________________________
Detailed Description
The MAX6018 is a precision, low-voltage, low-dropout,
micropower, bandgap voltage reference in a SOT23
package. This three-terminal reference operates with
an input voltage from (V
OUT
+ 200mV) to 5.5V, and is
available with output voltage options of 1.2V, 1.6V,
1.8V, and 2.048V. These devices can source up to 1mA
with <200mV of dropout voltage, making them attrac-
tive for use in low-voltage applications.
Applications Information
Output/Load Capacitance
These devices require a minimum of 100pF load to
maintain output stability.
They remain stable for capacitive loads as high as 1μF.
In applications where the load or the supply can experi-
ence step changes, a larger output capacitor reduces
the amount of overshoot (or undershoot) and assists
the circuit
’
s transient response. Otherwise, applications
may not need more than 100pF.
Supply Current
The 5μA maximum supply current varies only 0.1μA/V
with the supply voltage.
When the supply voltage is below the minimum-speci-
fied input voltage (as during turn-on), the devices can
draw up to 20μA beyond the nominal supply current.
The input voltage source must be capable of providing
this current to ensure reliable turn-on.
Turn-On Time
These devices typically turn on and settle to within
0.1% of their final value in 200μs. The turn-on time can
increase up to 1ms with the device operating at the
minimum dropout voltage and the maximum load.
Chip Information
TRANSISTOR COUNT: 87
PROCESS: BiCMOS
PIN
NAME
FUNCTION
1
IN
Supply Voltage Input. Bypass with a 0.1μF
capacitor to ground.
Reference Voltage Output. Bypass with at
least 100pF to ground. (See
Output/Load
Capacitance
section).
Ground
2
OUT
3
GND
Pin Description
I
OUT
1mA/div
+1mA
-1mA
V
OUT
1V/div
MAX6018_21
LOAD-TRANSIENT RESPONSE
100
μ
s/div
C
OUT
= 150pF
MAX6018_12
LINE-TRANSIENT RESPONSE
C
OUT
= 550pF
V
OUT
50mV/div
V
IN
200mV/div
100
μ
s/div
V
IN
200mV/div
V
OUT
50mV/div
MAX6018_21
LINE-TRANSIENT RESPONSE
100
μ
s/div
C
OUT
= 550pF
Typical Operating Characteristics (continued)
(T
A
= +25
°
C, unless otherwise noted.)
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