AIC1633 데이터 시트보기 (PDF) - Analog Intergrations
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AIC1633 Datasheet PDF : 10 Pages
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AIC1633
AIC1633A (continued)
PIN 7: LBI
- The non-inverting input of the
battery low detector, of which the
inverting input is internally
connects to 1.22V voltage
reference.
APPLICATION EXAMPLES
PIN 8: VOUT- The output voltage feedbacks to
the IC through this pin. If output
voltage was externally set, the
VOUT pin can be tied to any low
impedance node with voltage
between the external power switch
threshold and 7V
+VOUT
(+3V)
LOAD
+VIN
470Ω
R1
+
L1
82µH
22µF
C1
+
C2
22µF
1N5819
D1
ILIM/SD
VIN
SW
SGND
VOUT
LBI
LBO
CGND
AIC1633-3
95
90
VIN=3.0V
85
VIN=2.2V
80
VIN=2.0V
75
VIN=1.8V
70
65
0
30
60
90
120
150
Load Current (mA)
Fig. 1 3V Output Step-Up Converter
+VOUT
(+5V)
LOAD
+VIN
L1
82µH
470Ω
R1
+
22µF
C2
1N5819
D1
+
22µF
C1
ILIM/SD
VIN
SW
SGND
VOUT
LBI
LBO
CGND
AIC1633-5
95
90
85
80
75
VIN=1.8V
VIN=2.2V
VIN=4.5V
VIN=3.0V
70
65 0
20
40
60
80 100 120 140 160
Load Current (mA)
Fig. 2 5V Output Step-Up Converter
7
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