AN8014S Datasheet, PDF (16/18 Pages) Panasonic Semiconductor – Step-down, step-up, or inverting DC-DC converter control IC

AN8014S
s Application Notes (continued)
[5] Main characteristics
Internal reference voltage temperature characteristics
2.63
2.62
2.61
2.60
−50 −25 0
25 50 75 100 125
Ambient temperature T_a (°C)
Output duty ratio  DTC pin voltage
100
80
60
40
20
0
0.4
0.6
0.8
1.0
1.2
1.4
DTC pin voltage V_DTC (V)
Oscillator frequency  Timing capacitance
10 000
1 000
100
10
RT = 5.1 kΩ
R_T = 15 kΩ
1
10
100
1 000
10 000
Timing capacitance C_T (pF)
16
Voltage regulators
Oscillator frequency temperature characteristics
225
220
215
210
205
200
195
−50 −25 0
25 50 75 100 125
Ambient temperature T_a (°C)
Output duty ratio temperature characteristics
56
55
54
53
52
51
50
−50 −25 0
25 50 75 100 125
Ambient temperature T_a (°C)
Output peak current  C_Out
0.6
VCC = 12 V
R_OUT = 10 Ω
0.5
0.4
0.3
0.2
0.1
0
1 000
5 000
10 000
Value of output connection capacitor C_OUT (pF)