4
FN6828.3
December 9, 2015
SW Minimum On-Time -65-ns
Soft-Start-Up Time -1.2- ms
EN
Logic Input Low --0.4 V
Logic Input High 1.4 --V
Logic Input Leakage Current -0.11 µA
Thermal Shutdown - 130 - °C
Thermal Shutdown Hysteresis -30-°C
NOTE:
6. Parameters with MIN and/or MAX limits are 100% tested at +25°C, unless otherwise specified. Temperature limits established by characterization
and are not production tested
Electrical Specifications Unless otherwise noted, all parameter limits are guaranteed over the recommended operating conditions and
the typical specifications are measured at the following conditions: T
A
= +25°C, V
IN
= V
EN
= 3.6V, L = 2.2µH,
C
1
= 10µF, C
2
= 10µF, I
OUT
= 0A (see “Typical Applications” on page 8). Boldface limits apply over the
operating temperature range, -40°C to +85°C. (Continued)
PARAMETER SYMBOL TEST CONDITIONS
MIN
(Note6) TYP
MAX
(Note 6) UNITS
Typical Operating Performance
FIGURE 1. EFFICIENCY vs LOAD CURRENT (VO = 1.5V) FIGURE 2. EFFICIENCY vs LOAD CURRENT (VO = 2.5V)
FIGURE 3. INPUT QUIESCENT CURRENT vs V
IN
(VO = 2.5V)
FIGURE 4. OUTPUT VOLTAGE vs LOAD CURRENT
(ISL9103, VO_NORMINAL = 1.8V)
0
10
20
30
40
50
60
70
80
90
100
0 0.1 0.2 0.3 0.4 0.5
I
O
(A)
EFFICIENCY (%)
V
IN
= 3.8V
V
IN
= 2.7V
V
IN
= 4.9V
0
10
20
30
40
50
60
70
80
90
100
0 0.10.20.30.40.5
I
O
(A)
EFFICIENCY (%)
V
IN
= 3.5V
V
IN
= 4.5V
V
IN
= 5.5V
10
15
20
25
30
2.70 3.25 3.80 4.35 4.90 5.45 6.00
V
IN
(V)
Iq (µA)
T = +85°C
T = +25°C
T = -45°C
1.775
1.780
1.785
1.790
1.795
1.800
0 100 200 300 400 500
I
OUT
(mA)
V
O
(V)
VIN = 3.6V, FALLING
VIN = 3.6V, RISING
ISL9103, ISL9103A
