The following conditions apply (unless otherwise
noted): TJ = 25°C; V(VCC) = 5V
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 = 0V
,V(VIN) = 12V,V(BIAS) = 0V
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 Temperature
VEN/UVLO = 3.3 V, V(VIN) = 12 V
Figure 6-22 Hysteresis Current on EN/UVLO versus Temperature