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參數(shù)資料
| 型號： | TSM108ID |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | SWITCHING CONTROLLER, 130 kHz SWITCHING FREQ-MAX, PDSO14 |
| 封裝： | PLASTIC, MICRO, SOP-14 |
| 文件頁數(shù)： | 1/13頁 |
| 文件大小： | 387K |
| 代理商： | TSM108ID |
1/13
■ OUTPUT HIGH SIDE CURRENT SENSING
■ PRECISE CC/CV REGULATION
■ ADJUSTABLE SWITCHING FREQUENCY
■ ADJUSTABLE OVP/UVP UVLO
THRESHOLDS
■ STANDBY MODE FEATURE
■ SUSTAINS 60V
■ MINIMAL EXTERNAL COMPONENTS
COUNT
■ DRIVES EXTERNAL P-CHANNEL MOSFET
OR PNP BIPOLAR TRANSISTORS
DESCRIPTION
TSM108 is a step-down PWM controller designed
to drive an external P-channel MOSFET, provid-
ing constant voltage and constant current regula-
tions in battery charger applications.
TSM108 can easily be configured for very wide
voltage and current needs.
It has been realized in rugged BCD technology
and includes a PWM generator, Voltage and Cur-
rent control loops, a precise Voltage Reference,
and a Gate Driver. The device can sustain 60V on
Vcc, and therefore meet the standard Load Dump
requirements of the 12V cars battery.
On boards there are other security functions which
lock the external power in OFF state: OVLO (Over
Voltage Lockout) and UVLO (Under Voltage Lock-
out). The mosfet gate is also protected from over
voltage drive thanks to a 12V clamping protection
circuit.
Moreover, a standby feature allows very low qui-
escent current when activated, but keeping safe
the external power element when Off.
The IC is suitable for 12V car accessories, as well
as other DC/DC step down converters.
APPLICATION DIAGRAM
ORDER CODE
D = Small Outline Package (SO) - also available in Tape & Reel (DT)
PIN CONNECTIONS (top view)
Part Number
Temperature Range
Package
D
TSM108I
-40°, +125°C
D
SO14
(Plastic Micropackage)
VCC
G
OV
UV
ICTRL
OSC
GND
VCOMP
VCTRL
ICOMP
VREF
VS
7
6
5
4
3
2
1
8
9
10
11
12
13
14
GD
!STBY
TSM108
VOLTAGE AND CURRENT STEPDOWN PWM CONTROLLER
March 2006
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TSM108IDT | SWITCHING CONTROLLER, 130 kHz SWITCHING FREQ-MAX, PDSO14 |
| TSM111CD | POWER SUPPLY SUPPORT CKT, PDSO20 |
| TSM1121CDT | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO14 |
| TSM1121ID | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO14 |
| TSM1121IDT | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO14 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TSM108IDT | 功能描述:電流型 PWM 控制器 Voltage/Current Cont RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| TSM108IDTH | 制造商:STMicroelectronics 功能描述:VOLTAGE AND CURRENT STEPDOWN PWM CONTROLLER |
| TSM109 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:DUAL COMPARATOR AND VOLTAGE REFERENCE |
| TSM10-9.5-520-TR | 制造商:E-Switch Inc 功能描述:SWITCH TACTILE 制造商:E-Switch Inc 功能描述:TSM Series |
| TSM109_04 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Dual Comparator and Voltage Reference |
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