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PDF NCP154 Data sheet ( Hoja de datos )
| Número de pieza | NCP154 | |
| Descripción | Dual Input Voltage Regulator | |
| Fabricantes | ON Semiconductor | |
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NCP154
Dual 300 mA, Low IQ, Low
Dropout, Dual Input Voltage
Regulator
The NCP154 is 300 mA, Dual Output Linear Voltage Regulator that
offers two independent input pins and provides a very stable and
accurate voltage with ultra low noise and very high Power Supply
Rejection Ratio (PSRR) suitable for RF applications. The device
doesn’t require any additional noise bypass capacitor to achieve ultra
low noise performance. In order to optimize performance for battery
operated portable applications, the NCP154 employs the Adaptive
Ground Current Feature for low ground current consumption during
light-load conditions.
Features
• Operating Input Voltage Range: 1.9 V to 5.25 V
• Two Independent Input Voltage Pins
• Two Independent Output Voltage (for detail please refer to Ordering
Information)
• Low IQ of typ. 55 mA per Channel
• High PSRR: 75 dB at 1 kHz
• Very Low Dropout: 140 mV Typical at 300 mA
• Thermal Shutdown and Current Limit Protections
• Stable with a 1 mF Ceramic Output Capacitor
• Available in XDFN8 1.2 × 1.6 mm Package
• Active Output Discharge for Fast Output Turn-Off
• These are Pb-free Devices
Typical Applications
• Smartphones, Tablets
• Wireless Handsets, Wireless LAN, Bluetooth®, ZigBee® Interfaces
• Other Battery Powered Applications
VIN1
VIN2
CIN1
1 mF
CIN2
1 mF
NCP154
IN1
OUT1
IN2
OUT2
EN1
EN2
GND
VOUT1
VOUT2
COUT2
1 mF
COUT1
1 mF
http://onsemi.com
XDFN8, 1.2x1.6
CASE 711AS
PIN CONNECTIONS
GND 1
OUT1 2
OUT2 3
GND 4
8 EN1
7 IN1
EP
6 IN2
5 EN2
XDFN8
(Top View)
MARKING DIAGRAM
XM
G
X = Specific Device Code
M = Date Code
G = Pb−Free Package
ORDERING INFORMATION
See detailed ordering, marking and shipping information in the
package dimensions section on page 17 of this data sheet.
Figure 1. Typical Application Schematic
© Semiconductor Components Industries, LLC, 2015
January, 2015 − Rev. 2
1
Publication Order Number:
NCP154/D
1 page  
NCP154
TYPICAL CHARACTERISTICS
1.05
1.04
1.03
1.02
1.01
IOUT = 1 mA
1.00
0.99
IOUT = 300 mA
0.98
0.97
VIN = 2.5 V
0.96
VOUT = 1.0 V
CIN = COUT = 1 mF
0.95
−40 −25 −10 5 20 35 50 65 80 95
TJ, JUNCTION TEMPERATURE (°C)
Figure 3. Output Voltage vs. Temperature –
VOUT = 1.0 V
2.85
2.84
2.83
2.82
2.81
IOUT = 1 mA
2.80
2.79
IOUT = 300 mA
2.78
2.77
VIN = 3.8 V
2.76
2.75
VOUT = 2.8 V
CIN = COUT = 1 mF
−40 −25 −10 5 20 35 50 65 80 95
TJ, JUNCTION TEMPERATURE (°C)
Figure 5. Output Voltage vs. Temperature –
VOUT = 1.0 V
600
540 VIN = 4.3 V
480
VOUT = 3.3 V
CIN = COUT = 1 mF
420
360
TJ = 85°C
TJ = 25°C
300
240 TJ = −40°C
180
120
60
0
0 30 60 90 120 150 180 210 240 270 300
IOUT, OUTPUT CURRENT (mA)
Figure 7. Ground Current vs. Output Current
1.85
1.84
1.83
1.82
1.81
IOUT = 1 mA
1.80
1.79
IOUT = 300 mA
1.78
1.77
VIN = 2.8 V
1.76
VOUT = 1.8 V
CIN = COUT = 1 mF
1.75
−40 −25 −10 5 20 35 50 65 80 95
TJ, JUNCTION TEMPERATURE (°C)
Figure 4. Output Voltage vs. Temperature –
VOUT = 1.0 V
3.35
3.34
3.33
3.32
3.31
3.30
IOUT = 1 mA
IOUT = 300 mA
3.29
3.28
3.27
VIN = 4.3 V
3.26
3.25
VOUT = 3.3 V
CIN = COUT = 1 mF
−40 −25 −10 5 20 35 50 65 80 95
TJ, JUNCTION TEMPERATURE (°C)
Figure 6. Output Voltage vs. Temperature –
VOUT = 1.0 V
60
85°C
54
48 −40°C
42 25°C
36
30
24
18
12
6
0
0
VIN = 4.3 V
VOUT = 3.3 V
CIN = COUT = 1 mF
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
VIN, INPUT VOLTAGE (V)
Figure 8. Quiescent Current vs. Input Voltage
http://onsemi.com
5
5 Page 
VIN
VOUT
NCP154
TYPICAL CHARACTERISTICS
tRISE = 1 ms
VIN = 3.8 V to 4.8 V
IOUT = 300 mA
CIN = none
COUT = 1 mF
VIN
VOUT
tFALL = 1 ms
VIN = 4.8 V to 3.8 V
IOUT = 300 mA
CIN = none
COUT = 1 mF
4 ms/div
Figure 36. Line Transient Response– Rising
Edge, VOUT = 3.3 V, IOUT = 300 mA
VIN
VOUT
tRISE = 1 ms
VIN = 3.8 V to 4.8 V
IOUT = 10 mA
CIN = none
COUT = 4.7 mF
4 ms/div
Figure 37. Line Transient Response– Falling
Edge, VOUT = 3.3 V, IOUT = 300 mA
VIN
VOUT
tFALL = 1 ms
VIN = 4.8 V to 3.8 V
IOUT = 10 mA
CIN = none
COUT = 4.7 mF
4 ms/div
Figure 38. Line Transient Response– Rising Edge,
VOUT = 3.3 V, IOUT = 10 mA, COUT = 4.7 mF
tRISE = 500 ns
IOUT1
VOUT1
VOUT2
VIN = 2.8 V
VOUT1 = 1.0 V, VOUT2 = 1.8 V
IOUT2 = 10 mA
COUT1 = 1 mF, COUT2 = 1 mF
4 ms/div
Figure 39. Line Transient Response– Falling
Edge, VOUT = 3.3 V, IOUT = 10 mA, COUT = 4.7 mF
IOUT1
tFALL = 500 ns
VIN = 2.8 V
VOUT1 = 1.0 V, VOUT2 = 1.8 V
IOUT2 = 10 mA
COUT1 = 1 mF, COUT2 = 1 mF
VOUT1
VOUT2
4 ms/div
Figure 40. Load Transient Response − 1.0 V –
Rising Edge, IOUT1 = 100 mA to 300 mA
100 ms/div
Figure 41. Load Transient Response − 1.0 V –
Falling Edge, IOUT1 = 300 mA to 100 mA
http://onsemi.com
11
11 Page | ||
| Páginas | Total 18 Páginas | |
| PDF Descargar | [ Datasheet NCP154.PDF ] | |
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