Datasheet L200 (STMicroelectronics) - 4
| Manufacturer | STMicroelectronics |
| Description | Adjustable Voltage and Current Regulator |
| Pages / Page | 12 / 4 — L200. ELECTRICAL CHARACTERISTICS. Symbol. Parameter. Test Conditions. … |
| File Format / Size | PDF / 254 Kb |
| Document Language | English |
L200. ELECTRICAL CHARACTERISTICS. Symbol. Parameter. Test Conditions. Min. Typ. Max. Unit. CURRENT REGULATION LOOP
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Text Version of Document
L200 ELECTRICAL CHARACTERISTICS
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Symbol Parameter Test Conditions Min. Typ. Max. Unit
∆Vref Average Temperature Coefficient Vi = 20 V Io = 10mA of Reference Voltage for Tj = - 25 to 125 °C -0.25 mV/°C for Tj = 125 to 150 °C -1.5 mV/°C I4 Bias Current and Pin 4 3 10 µA ∆ I Average Temperature -0.5 %/°C 4 ∆ T • I4 Coefficient (pin 4) Zo Output Impedance Vi = 10 V Vo = Vref Io = 0.5 A f = 100 Hz 1.5 mΩ
CURRENT REGULATION LOOP
VSC Current Limit Sense Voltage Vi = 10 V Vo = Vref between Pins 5 and 2 I5 = 100 mA 0.38 0.45 0.52 V ∆ VSC Average Temperature 0.03 %/°C ∆ T • V Coefficient of VSC SC ∆ Io Current Load Regulation Vi = 10 V ∆Vo = 3V I I 1.4 % o o = 0.5 A Io = 1A 1 % Io = 1.5 A 0.9 % ISC Peak Short Circuit Current Vi - V0 = 14 V (pins 2 and 5 short circuited) 3.6 A Note 1: A load step of 2 A can be applied provited that input-output differential voltage is lower than 20 V (see Figure 3). Note 2: The same performance can be maintained at higher output levels if a bypassing capacitor is provited between pins 2 and 4.
Figure 3. Typical Safe Operating Area Figure 4. Quiescent Current vs. Supply Protection. Voltage.
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(continued)
Symbol Parameter Test Conditions Min. Typ. Max. Unit
∆Vref Average Temperature Coefficient Vi = 20 V Io = 10mA of Reference Voltage for Tj = - 25 to 125 °C -0.25 mV/°C for Tj = 125 to 150 °C -1.5 mV/°C I4 Bias Current and Pin 4 3 10 µA ∆ I Average Temperature -0.5 %/°C 4 ∆ T • I4 Coefficient (pin 4) Zo Output Impedance Vi = 10 V Vo = Vref Io = 0.5 A f = 100 Hz 1.5 mΩ
CURRENT REGULATION LOOP
VSC Current Limit Sense Voltage Vi = 10 V Vo = Vref between Pins 5 and 2 I5 = 100 mA 0.38 0.45 0.52 V ∆ VSC Average Temperature 0.03 %/°C ∆ T • V Coefficient of VSC SC ∆ Io Current Load Regulation Vi = 10 V ∆Vo = 3V I I 1.4 % o o = 0.5 A Io = 1A 1 % Io = 1.5 A 0.9 % ISC Peak Short Circuit Current Vi - V0 = 14 V (pins 2 and 5 short circuited) 3.6 A Note 1: A load step of 2 A can be applied provited that input-output differential voltage is lower than 20 V (see Figure 3). Note 2: The same performance can be maintained at higher output levels if a bypassing capacitor is provited between pins 2 and 4.
Figure 3. Typical Safe Operating Area Figure 4. Quiescent Current vs. Supply Protection. Voltage.
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