ISL85001
Typical Performance Curves Unless otherwise noted, operating conditions are: TA = +25°C, VIN = 12V, EN = VDD, L = 22µH, C9 = 10µF,
C11 = 47µF, IOUT = 0A to 1A. See “VIN” on page 4.
1.0
1.0
0.9
0.9
3.3VOUT
0.8
0.7
1.8VOUT
0.6 2.5VOUT
0.5
0.4
0.3
0.2
3.3VOUT
1.5VOUT
0.8
0.7
0.6
0.5
0.4
1.2VOUT
1.5VOUT
1.8VOUT
0.3
2.5VOUT
0.2
5VOUT
0.1
0.1
0.0
0.0
0.2
0.4
0.6
0.8
1.0
OUTPUT LOAD (A)
0.0
0.0
0.2
0.4
0.6
0.8
1.0
OUTPUT LOAD (A)
FIGURE 3. EFFICIENCY vs LOAD, 500kHz, 5VIN
FIGURE 4. EFFICIENCY vs LOAD, 500kHz, 12VIN
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
0.0
1.2VOUT
1.5VOUT
1.8VOUT
2.5VOUT
5VOUT
0.2
0.4
0.6
0.8
1.0
OUTPUT LOAD (A)
FIGURE 5. EFFICIENCY vs LOAD, 500kHz, 25VIN
1.206
1.205
1.204
25VIN
12VIN
1.203
1.202
1.201
1.200
5VIN
1.199
1.198
0.0
0.2
0.4
0.6
0.8
1.0
OUTPUT LOAD (A)
FIGURE 7. VOUT REGULATION vs LOAD, 500kHz, 1.2VOUT
0.8
0.7
0.6
12VIN
0.5
25VIN
0.4
0.3
0.2
0.1
5VIN
0.0
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
OUTPUT LOAD (A)
FIGURE 6. POWER DISSIPATION vs LOAD, 500kHz, 2.5VOUT
1.510
1.509
1.508
25VIN
12VIN
1.507
1.506
1.505
1.504
5VIN
1.503
1.502
0.0
0.2
0.4
0.6
0.8
1.0
OUTPUT LOAD (A)
FIGURE 8. VOUT REGULATION vs LOAD, 500kHz, 1.5VOUT
FN6769 Rev.3.00
Apr 14, 2017
Page 7 of 16