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LM3686 数据表(PDF) 10 Page - Texas Instruments

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部件名 LM3686
功能描述  Step-Down DC-DC Converter with Integrated Post Linear Regulators System and Low-Noise Linear Regulator
Download  28 Pages
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制造商  TI1 [Texas Instruments]
网页  http://www.ti.com
标志 TI1 - Texas Instruments

LM3686 数据表(HTML) 10 Page - Texas Instruments

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LM3686
SNVS520D – AUGUST 2008 – REVISED MARCH 2011
www.ti.com
Electrical Characteristics
(1) (2) (3) (4) Global Parameters (DCDC, LILO, & LDO)
Typical Limit
Symbol
Parameter
Conditions
Units
Min
Typ
Max
Full power mode
IOUT_DCDC = IOUT_LILO = IOUT_LDO = 0 mA, DC-DC
Quiescent current into
IQ_VBATT
is not switching (FB_DCDC forced higher than
100
130
µA
VBATT
VOUT_DCDC)
Ven = 1.1V,
Shutdown current into
VEN_DCDC = VEN_LILO = VEN_LDO = 0V
IQ_GLOBAL
2.5
4
µA
VBATT
Enable Pins (EN_DCDC, EN_LILO, EN_LDO)
IEN
Enable pin input
All EN = 0V
.01
1
µA
current
VIH
Logic high input
1.1
V
VIL
Logic low input
0.40
V
(1)
All voltages are with respect to the potential at the GND pin.
(2)
Min and Max limits are guaranteed by design, test, or statistical analysis. Typical (typ.) numbers are not guaranteed, but do represent
the most likely norm. Unless otherwise specified, conditions for typ. specifications are: VBATT = 3.6V and TA = 25°C.
(3)
The parameters in the electrical characteristic table are tested at VBATT = 3.6V unless otherwise specified. For performance over the
input voltage range refer to datasheet curves.
(4)
The input voltage range recommended for ideal applications performance for the specified output voltages is given below:VBATT = 2.7V
to 5.5V for 1.0V
≤ VOUT_DCDC < 1.8VVBATT = (VOUT_DCDC + 1V) to 5.5V for 1.8V ≤ VOUT_DCDC < 3.6V
10
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