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PDF CAT6217 Data sheet ( Hoja de datos )
| Número de pieza | CAT6217 | |
| Descripción | 150 mA CMOS LDO Regulator | |
| Fabricantes | ON Semiconductor | |
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CAT6217
www.DataSheet4U.com
150 mA CMOS LDO
Regulator
Description
The CAT6217 is a 150 mA CMOS low dropout regulator that
provides fast response time during load current and line voltage
changes.
The quick−start feature allows the use of an external bypass
capacitor to reduce the overall output noise without affecting the
turn−on time of just 150 ms.
With zero shutdown current and low ground current of 55 mA
typical, the CAT6217 is ideal for battery−operated devices with supply
voltages from 2.3 V to 5.5 V. An internal under voltage lockout circuit
disables the output at supply voltages under 2.1 V typical.
The CAT6217 offers 1% initial accuracy and low dropout voltage,
90 mV typical at 150 mA. Stable operation is provided with a 1 mF
ceramic capacitor, reducing required board space and component cost.
Other features include output short−circuit current limit and thermal
protection.
The device is available in the low profile (1 mm max height) 5−lead
TSOT−23 package.
Features
• Guaranteed 150 mA Output Current
• Low Dropout Voltage of 90 mV Typical at 150 mA
• Stable with 1 mF Ceramic Output Capacitor
• External 10 nF Bypass Capacitor for Low Noise
• Quick−start Feature
• No−load Ground Current of 55 mA Typical
• Full−load Ground Current of 80 mA Typical
• ±1.0% Initial Accuracy (VOUT ≥ 2.0 V)
• ±2.0% Accuracy Over Temperature (VOUT ≥ 2.0 V)
• “Zero” Current Shutdown Mode
• Current Limit and Under Voltage Lockout
• Thermal Protection
• 5−lead TSOT−23 Package
• These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS
Compliant
Applications
• Cellular Phones
• Battery−powered Devices
• Consumer Electronics
http://onsemi.com
5
1
TSOT−23
TD SUFFIX
CASE 419AE
PIN CONNECTIONS
1
VIN
VOUT
GND
EN BYP
(Top View)
MARKING DIAGRAM
RTYM
RT = CAT6217 Device Code
Y = Production Year (last digit)
M = Production Month: 1 − 9, A, B, C
PIN FUNCTION
Pin # Name
Function
1 VIN Supply voltage input.
2 GND Ground reference.
3 EN Enable input (active high); a 2.5 MW
pull−down resistor is provided.
4 BYP Optional bypass capacitor connec-
tion for noise reduction and PSRR
enhancing.
5 VOUT LDO Output Voltage.
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 9 of this data sheet.
© Semiconductor Components Industries, LLC, 2009
December, 2009 − Rev. 5
1
Publication Order Number:
CAT6217/D
1 page  
CAT6217
www.DataSheet4U.com
TYPICAL CHARACTERISTICS (shown for 2.80 V output option)
(VIN = 3.85 V, IOUT = 100 mA, CIN = COUT = 1 mF, CBYP = 10 nF, TA = 25°C unless otherwise specified.)
600 70
500 60
400
300
200
100
0
0.0
VOUT = 0V
1.0 2.0 3.0 4.0 5.0 6.0
INPUT VOLTAGE [V]
Figure 9. Output Short−circuit Current Limit
50
40
30
20
10
0
0.0
1.0 2.0 3.0 4.0 5.0
INPUT VOLTAGE [V]
6.0
Figure 10. Ground Current vs. Input Voltage
200 120
150 90
100 60
50 30
0
−40
−10 20 50 80 110
TEMPERATURE [°C]
140
Figure 11. Dropout vs. Temperature
(150 mA Load)
1.6
1.2
0.8
0.4
0.0
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
INPUT VOLTAGE [V]
Figure 13. Enable Threshold vs. Input Voltage
0
0 30 60 90 120
OUTPUT LOAD CURRENT [mA]
150
Figure 12. Dropout vs. Load Current
80
70 CBYP = 10 nF
60
50 CBYP = 0
40
30
20
10
0
0.01
0.1 1 10
FREQUENCY [kHz]
100
Figure 14. PSRR vs. Frequency (10 mA Load)
http://onsemi.com
5
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet CAT6217.PDF ] | |
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