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參數資料
| 型號： | TSM121CN |
| 英文描述： | Analog IC |
| 中文描述： | 模擬IC |
| 文件頁數： | 2/12頁 |
| 文件大小： | 126K |
| 代理商： | TSM121CN |
TSM121
2/12
PIN DESCRIPTION
Name
Pin #
Type
Function
Vcc
Gnd
2
Power Supply
Power Supply
Positive Power Supply line.
Ground. 0V Reference for all voltages.
21
Housekeeping
Vs12
Vs5
Vs33
Tuv
EP
15
14
13
18
16
Analog input
Analog input
Analog input
Timing capacitor
Analog input
Over & under voltage sense input dedicated to the 12V line
Over & under voltage sense input dedicated to the 5V line
Over & under voltage sense input dedicated to the 3.3V line
Adjustable Under voltage blanking delay at Power Up (setting capacitor)
Extra Protection (Over voltage for -5V and/or -12V line or Primary
OverPower protection). If this extra Protection circuit is not used, pin EP
should be connected to Vref2
Over current sense input dedicated to the 12V line
Over current sense input dedicated to the 5V line
Over current sense input dedicated to the 3.3V line
Power Good input. This pin detects the power conditions.
Power Good output. PG output is High when the power conditions are OK.
Adjustable Power Good delay (setting capacitor)
Input Remote control of the complete system by the motherboard
(μController). Remote is active high. Switch OFF/ON of the Power Supply.
Reset of the complete system after a FAULT activation.
Adjustable Remote delay (setting capacitor)
Inrush Current Blank (surge) setting resistor and capacitor input. Avoids
that the Housekeeping protection latches on normal start up surge
conditions.
Is12
Is5
Is33
PI
PG
Tpg
REM
10
11
12
17
9
8
6
Analog input
Analog input
Analog input
Analog input
Open Collector
Timing capacitor
TTL input
Trem
Tsur
7
19
Timing capacitor
Analog input
PWM
Vref2
20
Voltage Reference
Voltage Reference for all the PWM section. Vref2 is uncommitted to Vref1
(Housekeeping section). Vref2 should be connected to a decoupling
capacitor (0.1μF)
Positive Input of the error amplifier
Negative Input of the error amplifier
Feedback input of the error amplifier
Frequency setting capacitor input
Soft Start. Imposes progressive increase of the switching duty cycle to
avoid current inrush at power up. When SS/DTC is high, duty cycle is low.
When SS/DTC is low, duty cycle is high. Dead Time Control. Limits the
maximum duty cycle to a programmable level using appropriate external
bridge resistor.
Output Drive (to Pulse Transformer. Open Collector 1)
Output Drive (to Pulse Transformer. Open Collector 2)
IN+
IN-
FB
OSC
SS/DTC
5
4
3
22
23
Opamp input
Opamp input
Feedback
Timing capacitor
Analog input
C1
C2
1
Open Collector
Open Collector
24
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相關代理商/技術參數 |
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| TSM122 | 制造商:Ssac 功能描述: |
| TSM-122-01-F-DH-A | 制造商:Samtec Inc 功能描述:CONN UNSHRD HDR HDR 44 POS 2.54MM SLDR RA SMD - Bulk |
| TSM-122-01-F-DV | 制造商:Samtec Inc 功能描述:.025 SQ. TERMINAL STRIPS - Bulk |
| TSM-122-01-F-DV-A | 制造商:Samtec Inc 功能描述:CONN UNSHRD HDR HDR 44 POS 2.54MM SLDR ST SMD - Bulk |
| TSM-122-01-FM-DV | 制造商:Samtec Inc 功能描述:.025 SQ. TERMINAL STRIPS - Bulk |
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