sp7600 Exar Corporation, sp7600 Datasheet - Page 13

• Manufacturer Part Number: sp7600
• Description: 2amp, 29v Buck Converter For Led Driver Applications
• Manufacturer: Exar Corporation

__________________________TYPICAL PERFORMANCE CHARACTERISTICS
V
IN
12/17/07 rev: A
EXAR RESERVES THE RIGHT TO MAKE CHANGES TO THIS DATASHEET. CALL FOR UPDATES: 1-510-668-7000
= 12V, Figure 4 Application Circuit, T
2.2
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.200
0.195
0.190
0.185
0.180
100
90
80
70
60
50
40
6
6
6
8
Feedback Voltage Vs Input Voltage
8
Output Current Vs Input Voltage
8
10
Efficiency Vs Input Voltage
10
10
12
Efficiency vs Vin, CFB = 22pF
12
1LED, Io=2A
1LED, Io=1A
6LED, Io=2A
6LED, Io=1A
12
A
Iout vs Vin, CFB = 22pF
VFB vs Vin, CFB = 22pF
= 25°C unless otherwise noted.
14
14
14
1LED, Io=1A
1LED, Io=2A
6LED, Io=2A
6LED, Io=1A
1LED, Io=2A
1LED, Io=1A
6LED, Io=2A
6LED, Io=1A
Vin (V)
Vin (V)
16
Vin (V)
16
SP7600
16
13
18
18
18
20
20
20
22
22
22
24
24
24
26
26
26
28
©Copyright 2007 Exar Corporation
28
28
30
30
30
SP7600