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Details, datasheet, quote on part number:NCP5426
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Datasheet text preview:
NCP5426 LDO Regulator/Vibration Motor Driver
The NCP5426 series of fixed output, 150 mA low dropout linear regulators are designed to be an economical solution for a variety of applications. Each device contains a voltage reference unit, an error amplifier, a PNP power transistor, resistors for setting output voltage, an under voltage lockout on the input, an enable pin, and current limit and temperature limit protection circuits. The NCP5426 is designed for driving a vibration motor using ceramic capacitors on the output. The device is housed in the microญminiature TSOPญ5 surface mount package. The NCP5426 is available in output voltages of 1.2 to 2.0 volts in 0.1 volt increments.
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5 1 TSOPญ5 (SOT23ญ5, SC59ญ5) SN SUFFIX CASE 483
ท ท ท ท ท ท
Wide Operating Voltage Range to 12 Volts Internally Set Output Voltages Enable Pin for On/Off Control UVLO on the Input Voltage with Hysteresis Current and Thermal Protection Compatible with Ceramic, Tantalum or Aluminum Electrolytic Capacitors
PIN CONNECTIONS AND MARKING DIAGRAM
Enable Gnd N/C 1 xxxYW 2 3 5 Vin
Typical Applications
ท Vibration Motor Driver
4
Vout
xxx = Version Y = Year W = Work Week Vin 5 UVLO Thermal Shutdown Driver w/ Current Limit 4 Vout (Top View)
ORDERING INFORMATION
See detailed ordering and shipping information in the package dimensions section on page 8 of this data sheet.
Enable ON OFF 1
Gnd
2
This device contains 47 active transistors.
Figure 1. Internal Schematic
ฉ Semiconductor Components Industries, LLC, 2001
1
September, 2001 ญ Rev. 3
Publication Order Number: NCP5426/D
NCP5426
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DETAILED PIN DESCRIPTION
Pin 1 2 3 4 5 Name Description Enable GND N/C The enable pin allows the user to control the output. A low signal disables the output and places the device into a low current standby mode. Ground pin. This pin is not connected to the device. Regulated output voltage. Input voltage. Vout Vin
MAXIMUM RATINGS
Rating
Symbol VMAX PA P
Value 12
Unit V
Max Voltage, All Pins
Power Dissipation to Air
150 600
mW mW ฐC
Power Dissipation, Board Mounted
Operating and Storage Temperature Thermal Resistance
TA
ญ40 to 85 300 125
TJA TJ
ฐC/W ฐC
Junction Temperature
ELECTRICAL CHARACTERISTICS (TA = 25ฐC, for min/max values TA is the operating junction temperature that applies,
VCC = 3.5 V, unless otherwise noted.) Characteristic Operating Voltage Operating Voltage Turn On, Iout = 30 mA, Increasing VCC Operating Voltage Turn Off, Iout = 30 mA, Decreasing VCC Operating Voltage Hysteresis, Iout = 30 mA Operating Current No Load Operating Current, VCC = 1.8 V, Enable High Operating Current, Enable Low Maximum Output Current, Vout = 0.95 *Vnom Over Current Protection, Vout = 0 V Load Regulation, Vin = 3.5 V, Iout 1.0 to 100 mA Line Regulation, Iout = 30 mA, Vin 3.0 to 5.0 V Ripple Rejection, Vin 3.5 V, f 120 Hz, Vpp 1.0 V, Iout 30 mA Temperature Shutdown VCC Low Detector Temperature Coefficient, Iout = 30 mA, T = ญ40 to 85ฐC Vout Temperature Coefficient Enable Pin High Threshold Enable Pin Low Threshold Enable Pin Current, Ve = 1.6 V ญ1.3 Volt Output Voltage, Iout = 30 mA Vout 1.261 1.3 1.339 V Symbol VCC VCCON VCCOFF VCC(hyst) ICC ICC(uvlo) ICC(off) Iout(max) Iout(limit) Regload Regline RR Tstd DVCC H to L/DT DVo/DT Veh Vel le Min ญ ญ 2.0 400 ญ ญ ญ 150 ญ ญ ญ 55 ญ ญ ญ 1.6 ญ ญ Typ ญ 2.6 2.1 500 120 80 ญ ญ 270 30 10 70 150 200 100 ญ ญ 5.0 Max 12 2.8 2.2 600 240 160 0.1 ญ ญ 60 20 ญ ญ ญ ญ ญ 0.4 10 Unit V V V mV ตA ตA ตA mA mA mV mV dB ฐC ppm/ฐC ppm/ฐC V V ตA
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NCP5426
20 16 LOAD REGULATION (mV) 12 8 4 0 ญ4 ญ8 ญ12 ญ16 ญ20 0 25 50 75 100 125 150 OUTPUT CURRENT (mA) Vin = 3.5 V Ve = 2.5 V Vout = 1.3 V Cout = 1.0 mF 1.4 1.2 OUTPUT VOLTAGE (V) 1.0 0.8 0.6 0.4 0.2 0 0 50 100 150 200 250 300 OUTPUT CURRENT (mA) Vin = 3.5 V Ve = 2.5 V Vout(nom) = 1.3 V
Figure 2. Load Regulation NCP5426
Figure 3. Current Limit NCP5426
140 138 QUIESCENT CURRENT (mA) 136 134 132 130 128 126 124 122 120 118 ญ50 ญ25 0 25 50
Vin = 3.5 V Iout = 0 mA Vout(nom) = 1.3 V Ve = Vin UVLO (V)
2.7 2.6 Vth ON 2.5 2.4 2.3 2.2 2.1 Vth OFF
75
100
125
2.0 ญ50
10
60
125
TEMPERATURE (ฐC)
TEMPERATURE (ฐC)
Figure 4. Quiescent Current vs. Temperature
Figure 5. Undervoltage Lockout vs. Temperature
OUTPUT VOLTAGE DEVIATION (mV)
90 80 RIPPLE REJECTION (dB) 70 60 50 40 Vin = 3.5 V Vout = 1.3 V Iout = 1.0 mA Cout = 1.0 ตF Ve = 2.5 V
50
0 Iout = 1 mA to 150 mA
Iout, OUTPUT CURRENT (mA)
30 20 10 0 100 1k 10 k FREQUENCY (Hz) 100 k
150 Vin = 3.5 V Vout = 1.3 V Cin = 4.7 ตF Cout = 4.7 ตF 0 100 200 300 400 500 600 700 800 900 1000
1M
TIME (ตs)
Figure 6. Ripple Rejection vs. Frequency
Figure 7. Load Transient Response
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