AIC1639 데이터 시트보기 (PDF) - Analog Intergrations
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AIC1639 Datasheet PDF : 11 Pages
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AIC1639
3-PIN ONE-CELL STEP-UP DC/DC CONVERTER
SPEC NO: DS-1639-00 05/26/00
n TYPICAL PERFORMANCE CHARACTERISTICS (CONTINUED)
AIC1639 EXT "L" On-Resistance
130
120
VOUT = 2.7V
110
VOUT = 3.0V
VOUT = 3.3V
100
VOUT = 5.0V
90
80
70
60
50
40
-40
-20
0
20
40
60
80
100
Temperature (°C)
AIC1639 EXT "H" On-Resistance
400
360
320
VOUT = 2.7V
VOUT = 3.0V
280
VOUT = 3.3V
VOUT = 5.0V
240
200
160
120
80
40
-40
-20
0
20
40
60
Temperature (°C)
80
100
■ BLOCK DIAGRAM
VOUT
1.25V REF.
1M
-
+
GND
Enable OSC, 100KHz
■ PIN DESCRIPTIONS
PIN1 : GND - Ground. Must be low impedance;
sorder directly to ground plane.
PIN2 : VOUT - IC supply pin. Connect VOUT to
the regulator output.
EXT
EXT – Push Pull driver output for external
power switch.
ANALOG INTEGRATIONS CORPORATION
www.analog.com.tw
4F, 9 Industry E. 9th Road, Science-based Industrial Park , Hsinchu, Taiwan, R.O.C. TEL: (8863)577-2500 FAX:(8863)577-2510
7
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