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參數(shù)資料
| 型號： | AIC1633CN |
| 廠商： | Analog Integrations Corporation |
| 英文描述： | 2-Cell, 200mA, Step-Up DC/DC Converter |
| 中文描述： | 2節(jié)電池，200毫安，升壓型DC / DC轉(zhuǎn)換器 |
| 文件頁數(shù)： | 6/10頁 |
| 文件大?。?/td> | 281K |
| 代理商： | AIC1633CN |
AIC1633
6
PIN DESCRIPTIONS
AIC1633-30/ AIC1633-33 / AIC1633-50
PIN 1: ILIM/SD- 1. Connected to VIN pin through
a resistor to set the switch
peak current. It serves to
protect IC and inductor, as
well as to improve efficiency
and output ripples. However,
the current limit resistor limits
supply
AIC1633.
performance characteristics).
The ILIM/SD pin should be
shorted to VIN pin if limiting
on switch peak current is not
intended.
2. The
shutdown
consumes less than 10
μ
A
when ILIM/SD pin is pulled to
ground.
PIN 2: VIN
-
Input supply.
PIN 3: SW
-
Drain of the power switch, to be
connected to inductor/ diode.
PIN 4:SGND - Ground connected to source of
power switch.
PIN 5:CGND -
Ground for control circuits of the
IC. It should be separated from
SGND to avoid the interference.
PIN 6:LBO
-
Open drain output of the battery
low detector, with 45
“ON
resistance” at V
IN
=2V. It is pulled
low when the voltage on LBI pin
is below 1.22V.
PIN 7:LBI
-
The noninverting input of the
battery low detector, of which the
inverting
connects
reference.
PIN 8:VOUT -
The output voltage feedbacks to
the IC through this pin.
capability
(See
of
the
typical
AIC1633
goes
in
mode
and
input
to
is
internally
voltage
1.22V
AIC1633A
PIN 1:
ILIM/SD- 1. Connected to VIN pin through
a resistor to set the switch
peak current. It serves to
protect IC and inductor, as
well as to improve efficiency
and output ripples. However,
the current limit resistor limits
supply
AIC1633A.
performance characteristics).
The ILIM/SD pin should be
shorted to VIN pin if limiting
on switch peak current is not
intended.
capability
of
the
(See
typical
2. The
shutdown
consumes less than 10
μ
A
when ILIM/SD pin is pulled to
ground.
AIC1633A
goes
in
mode
and
PIN 2: VIN
- Input supply.
PIN 3: SW
- Drain of the power switch, to be
connected to inductor/ diode.
PIN 4: GND - Ground.
PIN 5: FB
- Output voltage can either be
internally
set
grounding FB pin, or be externally
set to an arbitrary voltage by
applying to FB pin the divider
voltage of two divider resistors.
to
5
volt
by
V
OUT
voltage is given by the
following equation:
1
0.617
V
R2
where R1 = Resistor
between FB pin and VOUT pin.
R2 = Resistor connected between
FB pin and ground.
V
OUT
=Output voltage to be set.
PIN 6: LBO - Open drain output of the battery
low detector, with 45
“ON
resistance” at V
IN
=2V. It is pulled
low when the voltage on LBI pin is
below 1.22V.
R1
OUT
=
connected
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