The following conditions apply (unless
otherwise noted): TJ = 25°C; V(VCC) = 5 V
Figure 6-1 Switching Frequency Versus RT Resistance Figure 6-3 VIN LDO - VCC Voltage versus VCC Load Current Figure 6-5 BIAS LDO - VCC Voltage versus VCC Load Current Figure 6-7 FB Pin Reference Voltage versus Temperature Figure 6-9 CSA Input Current versus Temperature Figure 6-11 Minimum Controllable On-time versus Switching Frequency Figure 6-13 UVLO Threshold Voltage versus Temperature Figure 6-15 Shutdown Current into VIN versus Temperature
VEN/UVLO = 0 V ,V(VIN) = 12 V,V(BIAS) =
0 V Figure 6-17 Shutdown Current into VIN versus Temperature
VEN/UVLO = 0 V ,V(BIAS) = 12 V, V(VIN) =
3.5 V Figure 6-19 Quiescent Current into BIAS versus Pin Voltage
VEN/UVLO = 3.3 V,
V(VIN) = 12 V Figure 6-21 Soft-Start current versus Temperature Figure 6-2 Switching Frequency Versus
Temperature
R(RT) = 75 kΩ Figure 6-4 VIN LDO - VCC Voltage versus VIN Voltage
I(VCC) = 20 mA Figure 6-6 BIAS LDO - VCC Voltage versus BIAS Voltage
I(VCC) = 50 mA Figure 6-8 Current Limit Threshold Voltage Versus Temperature Figure 6-10 CSB Input Current versus Temperature Figure 6-12 Minimum Controllable Off-time versus Switching Frequency Figure 6-14 Shutdown Current into VIN versus Pin Voltage
VEN/UVLO = 0 V ,V(VIN) = 12 V, V(BIAS) =
0 V Figure 6-16 Shutdown Current into BIAS versus Pin Voltage
VEN/UVLO = 0 V ,V(VIN)
= 12 V, V(VIN) = 3.5 V Figure 6-18 Standby Current into VIN versus Temperature
VEN/UVLO = 0.8 V, V(VIN) = 12 V Figure 6-20 Quiescent Current into BIAS versus Pin Voltage
VEN/UVLO = 3.3 V,
V(VIN) = 12 V Figure 6-22 Hysteresis Current on EN/UVLO versus Temperature