參數(shù)資料
型號: MAX1734EUK__-T
廠商: Maxim Integrated Products, Inc.
元件分類: DC/DC變換器
英文描述: Low-Voltage, Step-Down DC-DC Converters in SOT23
中文描述: 低電壓,降壓型DC - DC轉(zhuǎn)換器采用SOT23
文件頁數(shù): 5/8頁
文件大?。?/td> 265K
代理商: MAX1734EUK__-T
M
Low-Voltage, Step-Down DC-DC Converters
in SOT23
_______________________________________________________________________________________
5
Typical Operating Characteristics (continued)
(C
IN
= 2.2μF ceramic, C
OUT
= 22μF tantalum, L = 10μH, unless otherwise noted.)
LOAD-TRANSIENT RESPONSE
4
μ
s/div
V
AC-COUPLED
50mV/div
I
LOAD
100mA/div
V
IN
= 3.6V, V
OUT
= 1.8V, I
LOAD
= 20mA TO 200mA
LIGHT-LOAD LINE-TRANSIENT RESPONSE
4
μ
s/div
V
AC-COUPLED
50mV/div
V
IN
AC-COUPLED
200mV/div
V
IN
= 3.4V TO 3.8V, V
OUT
= 1.8V, I
LOAD
= 20mA
HEAVY-LOAD LINE-TRANSIENT RESPONSE
4
μ
s/div
V
AC-COUPLED
50mV/div
V
AC-COUPLED
200mV/div
V
IN
= 3.4V TO 3.8V, V
OUT
= 1.8V, I
LOAD
= 200mA
SOFT-START AND SHUTDOWN RESPONSE
200
μ
s/div
V
OUT
1V/div
V
IN
= 3.6V, V
OUT
= 1.8V, R
LOAD
= 7
V
5V/div
I
IN
100mA/div
Pin Description
PIN
NAME
FUNCTION
1
IN
Supply Voltage Input. Input range from +2.7V to +5.5V. Bypass with a 2.2
μ
F ceramic capacitor to
GND.
2
GND
Ground
3
SHDN
Active-Low Shutdown Input. Connect
SHDN
to IN for normal operation. In shutdown, LX becomes
high impedance and quiescent current drops to 0.01
μ
A.
FB
MAX1733 Voltage Feedback Input. FB regulates to 1.25V nominal. Connect FB to an external
voltage-divider between the output voltage and GND.
4
OUT
MAX1734 Voltage Sense Input. OUT is connected to an internal voltage-divider.
5
LX
Inductor Connection
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