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ISL8502IRZ Datasheet(PDF) 10 Page - Renesas Technology Corp

Part # ISL8502IRZ
Description  2A Synchronous Buck Regulator with Integrated MOSFETs
PDF  19 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

ISL8502IRZ Datasheet(HTML) 10 Page - Renesas Technology Corp

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ISL8502
FN6389 Rev 2.00
Page 10 of 19
June 29, 2010
FIGURE 19. VCC LOAD REGULATION
FIGURE 20. VCC REGULATION vs VIN
FIGURE 21. MASTER TO SLAVE OPERATION
FIGURE 22. MASTER OPERATION AT NO LOAD
FIGURE 23. MASTER OPERATION WITH FULL LOAD
FIGURE 24. MASTER OPERATION WITH NEGATIVE LOAD
Typical Performance Curves
VIN = 12V, VOUT = 2.5V, IO = 2A, fs = 500kHz, L = 4.7µH, CIN = 20µF, COUT = 100µF + 22µF,
TA = +25° C, unless otherwise noted. (Continued)
4.5
4.6
4.7
4.8
4.9
5.0
5.1
5.2
0
50
100
150
200
250
300
I VCC (mA)
4.5
4.6
4.7
4.8
4.9
5.0
5.1
5.2
5.3
5.4
5.5
3
5
7
9
10
11
12
13
14 15
VIN (V)
46
8
100mA LOAD
NO LOAD
VOUT1 RIPPLE
20mV/DIV
VOUT2 RIPPLE
20mV/DIV
0.5µs
5V
PHASE1
5V/DIV
PHASE2
5V/DIV
PHASE1
5V/DIV
VOUT1 RIPPLE
20mV/DIV
SYNCH1
2V/DIV
IL1
0.5A/DIV
PHASE1
5V/DIV
VOUT1 RIPPLE
IL1
1A/DIV
SYNCH1
5V/DIV
20mV/DIV
PHASE1
10V/DIV
VOUT1 RIPPLE
20mV/DIV
IL1
1A/DIV
SYNCH1
5V/DIV



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