ap1635 Diodes, Inc., ap1635 Datasheet - Page 4

• Manufacturer Part Number: ap1635
• Description: Pwm/pfm Dual Mode Step-down Dc/dc Converter
• Manufacturer: Diodes, Inc.

Typical Performance Characteristics
AP1635 Rev. 3
200
180
160
140
120
100
80
60
40
20
0
7.5
6.5
5.5
4.5
2.5
8
7
6
5
4
1.4
1.3
1.2
1.1
0.9
0.8
0.7
0.6
0.5
Icc (uA)
2.5
1
3
Vcc vs. Operating Current
Vcc vs. Stand-by Current
Current Limit
Vcc vs. Current Limit
3
3
3.5
3.5
3.5
Vcc (V)
Vcc (V)
Vcc (V)
4
4
4
4.5
Vout=2V
4.5
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4.5
5
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5
PWM/PFM DUAL MODE STEP-DOWN DC/DC
5
200
180
160
140
120
100
800
780
760
740
720
700
680
660
640
620
600
80
60
40
20
0
2.5
600
500
400
300
200
100
2.5
0
2.5
Vcc vs. Quiescent Current
3
Vcc vs. Frequency
3
Vcc vs. R
3
Vcc (V)
3.5
3.5
3.5
Vcc (V)
Vcc (V)
DS(ON)
4
4
4
CONVERTER
©
AP1635
Diodes Incorporated
4.5
4.5
JULY 2007
4.5
5
5
5