AIC1641 ETC [List of Unclassifed Manufacturers], AIC1641 Datasheet - Page 4

• Manufacturer Part Number: AIC1641
• Description: LOW VOLTAGE STEP-UP DC/DC CONVERTER
• Manufacturer: ETC [List of Unclassifed Manufacturers]

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ANALOG INTEGRATIONS CORPORATION
4F, 9 Industry E. 9th Road, Science-based Industrial Park , Hsinchu, Taiwan, R.O.C.
ELECTRICAL CHARACTERISTICS
TYPICAL PERFORMANCE CHARACTERISTICS
Inductor (L1) : 33 H (Pin Type)
Diode
Chip Enable Pin Input
Low Voltage
CE Pin Input Current
Efficiency
PARAMETER
2.80
2.75
2.70
2.65
2.60
2.55
2.50
2.45
2.40
3.1
3.0
2.9
2.8
2.7
2.6
2.5
2.4
0
0
(D1) : 1N5819 Schottky Type
Vin=0.9V
Vin=0.9V
50
50
AIC1641-27 Loading Regulation (L=33uH)
AIC1641-30 Load Regulation (L=33uH)
100
100
150
Vin=1.2V
150
Output Current (mA)
Output Current (mA)
Vin=1.2V
200
200
V
V
Judge the stop at EXT pin
Same as I
250
Vin=1.5V
IN
CEL
250
=V
Vin=1.5V
300
: 2.5V 0V
TEST CONDITIONS
OUT
300
350
Vin=1.8V
x 0.95
DD1
350
Vin=1.8V
400
Vin=2.0V
, V
Vin=2.0V
CE
400
Capacitor (C1) : 47 F (Tantalum Type)
450
=V
Transistor (Q1) : 2SD1803
OUT
450
500
x 0.95
(Continued)
LOW VOLTAGE STEP-UP DC/DC CONVERTER
TEL: [phone] FAX:[phone]
www.analog.com.tw
SYMBOL
90
85
80
75
70
65
60
55
50
90
85
80
75
70
65
60
V
0
0
CEL
Vin=0.9V
Vin=0.9V
50
50
100
AIC1641-27 Efficiency (L=33uH)
AIC1641-30 Efficiency (L=33uH)
100
MIN.
150
150
Output Current (mA)
Output Current (mA)
Vin=1.2V
200
Vin=1.2V
200
TYP.
250
SPEC NO: DS-1641-00 05/04/00
80
250
Vin=1.5V
300
Vin=1.5V
300
Vin=1.8V
350
MAX.
1.1
1.2
1.3
2.0
0.5
Vin=1.8V
AIC1641
350
400
Vin=2.0V
Vin=2.0V
450
400
UNIT
500
%
450
V
A
4