Ripple filter cellular phones Overview AN8000MS ripple filte

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Ripple filter cellular phones Overview AN8000MS ripple filte

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AN8000MS
Ripple filter cellular phones
Overview
AN8000MS ripple filter that rejects ripple component superimposed regulator output. bias cellular phones improves makes high-quality telephone communication possible. Furthermore, decreasing difference between voltages, drop power supply voltage reduced.
(0.65) 2.80 -0.30
+0.20
Unit:
(0.65)
+0.25 1.50 -0.05
1.90±0.20 (0.95) (0.95)
2.90 +0.20 -0.05
0.10
drop voltage reduced transistor used pass transistor) mounting area reduced adopting mini-type 6-pin package
1.10+0.2 -0.1
(0.80)
0.10 0.30 0.40±0.20
Applications
Cellular phones others
MINI-6D
Block Diagram
VOUT
Voltage control
Constant current
Switch
On/Off
0.16+0.10 -0.06
Features
0.30 +0.10 -0.05
(1.45)
Publication date: August 2001
SDH00013AEB
AN8000MS
Descriptions
Symbol VOUT On/Off Description Input Capacitor connection Capacitor connection Output Ground Control
Absolute Maximum Ratings
Parameter Supply voltage Supply current Output current Allowable application voltage on/off Allowable maximum capacitance Allowable maximum capacitance Power dissipation Operating ambient temperature Storage temperature
Symbol VON/OFF Topr Tstg
Rating +125
Unit
Note) Except operating ambient temperature storage temperature, ratings 25°C. power dissipation shown value 75°C.
Recommended Operating Range
Parameter Supply voltage Symbol Range Unit
Electrical Characteristics 25°C
Parameter Output voltage Output voltage Output voltage Output voltage Output voltage Output voltage Symbol Conditions IOUT IOUT IOUT IOUT IOUT IOUT 2.10 1.95 2.60 2.60 6.70 6.60 2.27 2.14 2.79 2.66 6.87 6.74 Unit
SDH00013AEB
AN8000MS
Electrical Characteristics 25°C (continued)
Parameter Consumption current Consumption current Consumption current Consumption current Consumption current Consumption current Load regulation Load regulation Load regulation Consumption current against load change Consumption current against load change Consumption current against load change Ripple rejection ratio Ripple rejection ratio Ripple rejection ratio Symbol REGL1 REGL2 REGL3 IREG1 IREG2 IREG3 Conditions IOUT IOUT IOUT IOUT IOUT IOUT IOUT IOUT IOUT IOUT IOUT IOUT 0.15 IOUT 0.15 IOUT 0.15 IOUT -420 -400 -600 -550 -2.0 -2.0 -100 -100 -150 -322 -304 -490 -450 -1.5 -1.7 Unit
Application Notes
curves MINI-6D package
Power dissipation
Independent without heat sink (25°C) Independent without heat sink (75°C)
Ambient temperature (°C)
SDH00013AEB
AN8000MS
Application Notes (continued)
Main characteristics
Output voltage
IOUT
2.68
Ripple rejection ratio (dB)
Output voltage
2.66
2.64
2.62
IOUT
Ambient temperature (°C)
Ambient temperature (°C)
frpl
Ripple rejection ratio (dB)
65°C 25°C -25°C
100k
Ripple frequency frpl (Hz)
Transient response Test circuit conditions Input Reg.
Input SYNPWRR
AN8000MS Output SYNPWRR 0.015
SDH00013AEB
Output V-out
Application Notes (continued)
Transient response (continued)
Transient characteristics (SYNPWR, VOUT) -25°C
Total
Leading edge
Falling edge
SYNPWR VOUT
SYNPWR
SYNPWR VOUT
VOUT
ms/div.
µs/div.
µs/div.
25°C
SYNPWR
VOUT
VOUT
ms/div.
VOUT
µs/div.
SYNPWR
SYNPWR
SYNPWR
VOUT
VOUT
ms/div.
VOUT
SDH00013AEB
SYNPWR
SYNPWR
µs/div.
65°C
µs/div. µs/div.
AN8000MS
AN8000MS
Application Circuit Examples
Application system example
ripple component superimposed regulator output rejected.
Voltage battery
Regulator
Ripple filter AN8000MS
Application circuit example
VOUT
0.015
Voltage control
Load
Constant current
Switch
On/Off
pattern AN8000MS
SDH00013AEB

Ripple filter cellular phones Overview AN8000MS ripple filte

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