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參數資料
型號: 935256880112
廠商: NXP SEMICONDUCTORS
元件分類: 穩壓器
英文描述: 0.25 A SWITCHING REGULATOR, 50 kHz SWITCHING FREQ-MAX, PDIP8
封裝: SOT-97, DIP-8
文件頁數: 17/22頁
文件大小: 154K
代理商: 935256880112
1998 Aug 19
4
Philips Semiconductors
Preliminary specication
Greeny; GreenChip
TEA1501
BLOCK DIAGRAM
Fig.2 Block diagram.
handbook, full pagewidth
MGM820
Vaux MANAGEMENT
REFERENCE BLOCK
TEMPERATURE
PROTECTION
SWITCH
OSCILLATOR
startup current source
SUPPLY CURRENT
TRACKING
MODULATOR
on/off level
data off
data on
BURST OSCILLATOR
LOGIC
TEA1501
COUNTER
power
switch
GATE DRIVER
LEADING EDGE
BLANKING
5
6
3
2
48
1
Vdetect
Drn
OOD
Gnd
Vaux
Ref
Bt
Src
PINNING
SYMBOL
PIN
DESCRIPTION
Src
1
source of the power switch and input
for primary current sensing
OOD
2
on/off input and data transfer output
Bt
3
input for burst capacitor
Ref
4
input for reference resistor
Vaux
5
supply input of the IC and input for
voltage regulation
Gnd
6
ground
n.c.
7
not connected to comply with safety
requirements
Drn
8
drain of the power switch and input
for startup current
Fig.3 DIL8 Package.
handbook, halfpage
1
2
3
4
8
7
6
5
MGM821
TEA1501
Drn
n.c.
OOD
Gnd
Vaux
Ref
Bt
Src
相關PDF資料
PDF描述
935261695112 0.25 A SWITCHING REGULATOR, 50 kHz SWITCHING FREQ-MAX, PDSO8
935261770518 1-CH 9-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO28
935261770112 1-CH 9-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO28
935261770118 1-CH 9-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO28
935261770512 1-CH 9-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO28
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參數描述
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