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PT7M8401BB2243TA6E

Description
Regulator
CategoryPower/power management    The power supply circuit   
File Size576KB,12 Pages
ManufacturerPericom Technology Inc
Download Datasheet Parametric View All

PT7M8401BB2243TA6E Overview

Regulator

PT7M8401BB2243TA6E Parametric

Parameter NameAttribute value
MakerPericom Technology Inc
package instruction,
Reach Compliance Codeunknown
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Data Sheet
PT7M8401
Dual LDO Regulators
Features
Description
The PT7M8401 series are highly accurate, dual, low
dropout voltage regulators with low noise, high ripple
rejection and low current consumption.
The PT7M8401 includes a reference voltage source, error
amplifiers, driver transistors, individual enable inputs,
current limit protections, short circuit protections and
internal phase compensators.
The output voltage for each regulator is set by factory
trimming within a range of 1.2V to 4.5V in 100mV step.
The PT7M8401 series are stable with low ESR ceramic
capacitors. The PT7M8401 series are available in the
SOT23-6L packages.
Output Current: 200mA or more
Dropout Voltage: 150mV@200mA
Operating Voltage Range: 1.8V-5.5V
Output Voltage Range: 1.2V-4.5V(100 mV Step)
High Accuracy:
±2.0%
Low Power Consumption: 55 µA
Standby Current: 0.1µA
High Ripple Rejection: 70dB@ 1kHz
Output Current-Limit Protection
Short Circuit Protection
Optional Auto Output Discharge
Operating Temperature Range: -40℃ to +85℃
Low ESR Capacitor Compatible: Ceramic Capacitor
Package: SOT23-6L
Application
Ordering Information
Part Number
PT7M8401①②③④⑤
TA6E
Package
Lead free and
Green SOT23-6L
Mobile phones (PDC, GSM, CDMA, IMT2000 etc.)
Cordless phones and radio communication
equipment
Digital still cameras and video cameras
PDAs
MP3 players
Portable devices
Note: “
①②③④⑤
” refer to different functions. See
below Table 1.
Table 1 PT7M8401 Options
Designator Symbol
Description
AA
High active with pull-down
①②:
resistor, with auto output discharge
Regulators
BB
High active without pull-down
1 and 2
resistor, with auto output discharge
EN type
CC
Low active with pull-up resistor,
with auto output discharge
DD
Low active without pull-up resistor,
with auto output discharge
EE
High active with pull-down
resistor, without auto output
discharge
FF
High active without pull-down
resistor, without auto output
discharge
GG
Low active with pull-up resistor,
without auto output discharge
HH
Low active without pull-up resistor,
without auto output discharge
Designator
③④
Regulator 1
Output
voltage
Symbol
Description
12-45
Internally set sequential number
relating output voltage of regulator 1
Regulator 1 Output Voltage Range:
1.2~ 4.5V, the detail is in Table 2.
2A
Regulator 2
Output
voltage
12-45
Internally set sequential number
relating output voltage of regulator
2
Regulator 2 Output Voltage Range:
1.2~ 4.5V, the detail is in Table 2.
2A
PT0237 (09/09)
1
Ver: 0
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