ADP1110-Typical Characteristics
1.4
1.2
VIN = +2V
1
VIN = +1.5V
0.8
VIN = +1.2V
0.6 VIN = +1V
0.4
VIN = +3V
VIN = +5V
0.2
0
0.1 0.2 0.4 0.5 0.6 0.8 1
ISWITCH CURRENT – A
1.2 1.25 1.4
Figure 2. Saturation Voltage vs. ISWITCH Current in Step-Up
Mode
2
1.8
1.6
1.4
VIN = +12V
1.2
1
0.8
0.6
0.4
0.2
0
0.1
0.2
0.4
0.6
0.8
0.9
ISWITCH CURRENT – A
Figure 3. Switch ON Voltage vs. ISWITCH Current In Step-
Down Mode
1800
1600
1400
1200
1000
QUIESCENT CURRENT
800
600
400
200
0
1 3 6 9 12 15 18 21 24 27 30
INPUT VOLTAGE – V
Figure 4. Quiescent Current vs. Input Voltage
76
74
72
OSCILLATOR FREQUENCY
70
68
66
64
62
60
2 4 6 8 10 12 15 18 21 24 27 30
INPUT VOLTAGE – V
Figure 5. Oscillator Frequency vs. Input Voltage
1.9
1.7
1.5
1.3
1.1
0.9
0.7
0.5
0.3
0.1
1
STEP-DOWN WITH
V = +12V
10
100
RLIM – Ω
1000
Figure 6. Maximum Switch Current vs. RLIM
1.5
1.3
1.1
0.9
0.7
0.5
0.3
0.1
1
STEP-UP MODE
WITH V ≤ +5V
10
100
RLIM – Ω
1000
Figure 7. Maximum Switch Current vs. RLIM
–4–
REV. 0