參數(shù)資料
型號： LNK500G-TL
廠商： POWER INTEGRATIONS INC
元件分類： 穩(wěn)壓器
英文描述： Energy Efficient, CV or CV/CC Switcher for Very Low Cost Adapters and Chargers
中文描述： 0.4 A SWITCHING REGULATOR, 49.5 kHz SWITCHING FREQ-MAX, PDSO7
封裝： PLASTIC, SMT, DIP-8
文件頁數(shù)： 2/20頁
文件大?。?/td> 505K
代理商： LNK500G-TL
2
LNK500
B
3/03
Pin Functional Description
DRAIN (D) Pin:
Power MOSFET drain connection. Provides internal operating
current for start-up. Internal current limit sense point for drain
current.
CONTROL (C) Pin:
Error amplifier and feedback current input pin for duty cycle
and current limit control. Internal shunt regulator connection to
provide internal bias current during normal operation. It is also
used as the connection point for the supply bypass and auto-
restart/compensation capacitor.
SOURCE (S) Pin:
Output MOSFET source connection for high voltage power
return. Primary side control circuit common and reference
point.
Figure 3. Pin Configuration.
PI-3417-111802
S
D
S
S
S
C
5
7
8
S
4
2
3
1
P Package (DIP-8B)
G Package (SMD-8B)
LNK500
Figure 2. Block Diagram.
PI-3416-032603
SHUTDOWN/
AUTO-RESTART
PW
M
COMPARATOR
CLOCK
SAW
OSCILLATOR
INTERNAL
SUPPLY
4.7
V
SOURCE
S
R
Q
DMAX
-
+
CONTROL
-
+
5.6
V
I
FB
ZC
VC
+
-
EEDGE
BLANKING
0
1
HYSTERETIC
THERMAL
SHUTDOWN
LEADING
CURRENT
LIMIT
ADJUST
LOW
FREQUENCY
OPERATION
SHUNT REGULATOR/
ERROR AMPLIFIER
+
-
DRAIN
IDCS
CURRENT LIMIT
COMPARATOR
RE
÷
8
相關PDF資料
PDF描述
LNK500P-TL Energy Efficient, CV or CV/CC Switcher for Very Low Cost Adapters and Chargers
LNK501G Energy Efficient, CV/CC Switcher for Very Low Cost Chargers and Adapters
LNK501P Energy Efficient, CV/CC Switcher for Very Low Cost Chargers and Adapters
LNK501 Energy Efficient, CV/CC Switcher for Very Low Cost Chargers and Adapters
LNM223KS01 2 Digit 8.0 mm
相關代理商/技術參數(shù)
參數(shù)描述
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LNK500P_1 制造商:POWERINT 制造商全稱:Power Integrations, Inc. 功能描述:2.4W Cell Phone Charger
LNK500PN 功能描述:交流/直流開關轉換器 3W 85-265 VAC 4W 230 VAC RoHS:否 制造商:STMicroelectronics 輸出電壓:800 V 輸入/電源電壓（最大值）:23.5 V 輸入/電源電壓（最小值）:11.5 V 開關頻率:115 kHz 電源電流:1.6 mA 工作溫度范圍:- 40 C to + 150 C 安裝風格:SMD/SMT 封裝 / 箱體:SSO-10 封裝:Reel
LNK500P-TL 制造商:POWERINT 制造商全稱:Power Integrations, Inc. 功能描述:Energy Efficient, CV or CV/CC Switcher for Very Low Cost Adapters and Chargers
LNK501 制造商:POWERINT 制造商全稱:Power Integrations, Inc. 功能描述:Energy Efficient, CV/CC Switcher for Very Low Cost Chargers and Adapters
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