AP2112K-3.3

Part: AP2111 (BCD Semiconductor)

Type: Low Dropout Linear Regulator (LDO)

Key Specs:

• Output Current: 600mA (Min)
• Output Voltage Accuracy: ±1.5%
• Fixed Output Voltages: 1.2V, 1.5V, 1.8V, 2.5V, 3.3V, 4.8V
• Adjustable Output Voltage Range: 0.8V to 5V
• Low Dropout Voltage (3.3V): 250mV (Typ) @ IOUT=600mA
• Low Quiescent Current: 55μA (Typ)
• Operating Temperature Range: -40°C to 85°C

Features:

• Enable Function to Turn On/Off VOUT
• Foldback Short Current Protection: 50mA
• Excellent Load Regulation: 0.2%/A (Typ)
• Excellent Line Regulation: 0.02%/V (Typ)
• Low Standby Current: 0.01μA (Typ)
• Low Output Noise: 50μVRMS
• PSRR: 65dB @ f=1kHz, 65dB @ f=100Hz
• OTSD Protection
• Stable with 1.0μF Flexible Cap: Ceramic, Tantalum and Aluminum Electrolytic
• ESD: MM 400V, HBM 4000V
• Built-in auto discharge function

Applications:

• Laptop computer
• Potable DVD
• LCD Monitor

Package:

• SOIC-8
• PSOP-8
• SOT-223
• SOT-23-5

{
  "manufacturer": "BCD Semiconductor",
  "part_family": "AP2111",
  "component_type": "Low Dropout Linear Regulator",
  "family_variants": [
    "AP2111M-1.2",
    "AP2111M-1.5",
    "AP2111M-1.8",
    "AP2111M-2.5",
    "AP2111M-3.3",
    "AP2111MP-1.2",
    "AP2111MP-1.5",
    "AP2111MP-1.8",
    "AP2111MP-2.5",
    "AP2111MP-3.3",

• Output Voltage Accuracy: ±1.5%
• Output Current: 600mA (Min)
• Foldback Short Current Protection: 50mA
• Enable Function to Turn On/Off VOUT
• Low Dropout Voltage (3.3V): 250mV (Typ) @ IOUT=600mA
• Excellent Load Regulation: 0.2%/A (Typ)
• Excellent Line Regulation: 0.02%/V (Typ)
• Low Quiescent Current: 55μA (Typ)
• Low Standby Current: 0.01μA (Typ)
• Low Output Noise: 50μVRMS
• PSRR: 65dB @ f=1kHz, 65dB @ f=100Hz
• OTSD Protection
• Stable with 1.0μF Flexible Cap: Ceramic, Tantalum and Aluminum Electrolytic
• Operating Temperature Range: -40°C to 85°C
• ESD: MM 400V, HBM 4000V

• Laptop computer
• Potable DVD
• LCD Monitor

Figure 1. Package Types of AP2111

AP2111

Figure 2. Pin Configuration of AP2111 (Top View)

AP2111-1.5 Electrical Characteristic (Note 2)

$V_{IN}$ =2.5V, $C_{IN}$ =1.0 $\mu$ F (Ceramic), $C_{OUT}$ =1.0 $\mu$ F (Ceramic), Typical $T_A$ =25°C, Bold typeface applies over -40°C $\leq$ T_A $\leq$ 85°C ranges, unless otherwise specified (Note 3).

| Parameter | Symbol | Conditions | Min | Typ | Max | Unit | |-------------------------------------------|---------------------------------------------------------|-----------------------------------------------------------|-------------------------|------|-----------------------------|---------------|--| | Output Voltage | $V_{OUT}$ | $V_{IN} = 2.5V, 1 \text{mA} \le I_{OUT} \le 30 \text{mA}$ | V _OUT ×98.5% | 1.5 | V _OUT
×101.5% | V | | Maximum Output
Current | $I_{OUT(Max)} \$ | $V_{IN}$ =2.5V, $V_{OUT}$ =1.478V to 1.5. | 23V 600 | | | mA | | Load Regulation | $\frac{(\triangle V_{OUT}/V_{OUT})}{\triangle I_{OUT}}$ | $V_{IN}$ =2.5V, $1mA \le I_{OUT} \le 600mA$ | L | 0.2 | | %/A | | Line Regulation | $\frac{(\triangle V_{OUT}/V_{OUT})}{\triangle V_{IN}}$ | 2.5V≤V _IN ≤6V, I _OUT =30mA | | 0.02 | | %/V | | | | I _OUT =10mA | | 700 | 1000 | | Dropout Voltage | $V_{DROP}$ | I _OUT =300mA | | 700 | 1000 | mV | | | | I _OUT =600mA | | 700 | 1000 | | Quiescent Current | $I_Q$ | V _IN =2.5V, I _OUT =0mA | | 55 | 80 | μΑ | | Standby Current | $I_{STD}$ | $V_{IN}$ =2.5V, $V_{EN}$ in OFF mode | | 0.01 | 1.0 | μΑ | | Power Supply | PSRR | Ripple 0.5Vp-p
V _IN =2.5V, f=100Hz | | 65 | | dB | | Rejection Ratio | | $I_{OUT}$ =100mA f=1kHz | | 65 | | Output Voltage
Temperature Coefficient | $\frac{(\triangle V_{OUT}/V_{OUT})}{\triangle T}$ | I _OUT =30mA
T _A =-40°C to 85°C | | ±100 | | ppm/°C | | Short Current Limit | $I_{SHORT}$ | V _OUT =0V | | 50 | | mA | | RMS Output Noise | $V_{\text{NOISE}}$ | No Load, 10Hz ≤ f≤100kHz | | 50 | | $\mu V_{RMS}$ | | VEN High Voltage | $V_{\mathrm{IH}}$ | Enable logic high, regulator on | 1.5 | | 6.0 | V | | VEN Low Voltage | $V_{\mathrm{IL}}$ | Enable logic low, regulator off | 0 | | 0.4 | v | | Start-up Time | $t_{\mathrm{S}}$ | No Load | | 20 | | μs | | EN Pull Down Resistor | $R_{PD}$ | | | 3.0 | | mΩ | | VOUT Discharge
Resistor | $R_{DCHG}$ | Set EN pin at Low | | 60 | | Ω | | Thermal Shutdown Temperature | $T_{OTSD}$ | | | 160 | | °C | | Thermal Shutdown
Hysteresis | $T_{HYOTSD}$ | | | 30 | | | | SOIC-8 | | 74.6 | | °C /W | | Thermal Resistance | $\theta_{\rm JC}$ | PSOP-8 | | 43.7 | | (Junction to Case) | | SOT-223 | | 50.9 | | | | SOT-23-5 | | 150 | Note 2: To prevent the Short Circuit Current protection feature from being prematurely activated, the input voltage must be applied before a current source load is applied.

AP2111

| Parameter | Symbol | Value | | Unit | |-----------------------------------------------|--------|------------|-----|------|--| | Power Supply Voltage | VIN | 6.5 | | V | | Operating
Junction
Temperature
Range | TJ | | 150 | ºC | | Storage Temperature Range | TSTG | -65 to 150 | | ºC | | Lead Temperature (Soldering, 10sec) | TLEAD | 260 | | ºC | | | | SOIC-8 | 144 | | | | PSOP-8 | 143 | | Thermal Resistance (No Heatsink) | θJA | SOT-223 | 128 | ºC/W | | | | SOT-23-5 | 250 | | ESD (Machine Model) | | 400 | | V | | ESD (Human Body Model) | | 4000 | | V | Note 1: Stresses greater than those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under "Recommended Operating Conditions" is not implied. Exposure to "Absolute Maximum Ratings" for extended periods may affect device reliability.

AP2111

Electrical Characteristics

AP2111-1.2 Electrical Characteristic (Note 2)

$V_{IN}$ =2.5V, $C_{IN}$ =1.0 $\mu$ F (Ceramic), $C_{OUT}$ =1.0 $\mu$ F (Ceramic), Typical $T_A$ =25°C, Bold typeface applies over -40°C $\leq$ T_A $\leq$ 85°C ranges, unless otherwise specified (Note 3).

AP2111