參數(shù)資料
型號: TB7100F
廠商: Toshiba Corporation
元件分類: DC/DC變換器
英文描述: Step-down DC-DC Converter IC
中文描述: 降壓型DC - DC轉(zhuǎn)換器集成電路
文件頁數(shù): 1/17頁
文件大?。?/td> 362K
代理商: TB7100F
TB7100F
2004-09-10
1
Toshiba BiCD Integrated Circuit Silicon Monolithic
TB7100F
Step-down DC-DC Converter IC
The TB7100F is a single-chip step-down DC-DC converter IC.
Equipped with a built-in high-speed and low on-resistance power
MOSFET, and utilizing a chopper circuit, this IC can achieve a high
efficiency in a wide load current range.
Features
Capable of high current drive (I
OUT
= maximum of 700 mA),
using only a few external components
High efficiency (
η
= 90% or higher) (@V
IN
= 5V, V
OUT
= 3.3V,
and I
OUT
= 300 mA).
Operating voltage (V
IN
) range: 3 to 5.5 V
Low on-resistance (R
DS(ON)
): 0.27
Ω
(typ.) if V
IN
= 5 V
High oscillation frequency of 550 kHz (typ.), making it possible to use small external components.
Uses external phase compensation, assuring a high degree of design freedom in selecting external components and
determining a loop response.
Employs a current mode architecture with excellent fast load response.
A small surface mount-type ceramic capacitor can be used as an output smoothing capacitor.
Housed in a small surface-mount package (PS-8) with a low thermal resistance.
Pin Assignment Marking
Due to its MOS structure, this product is sensitive to electrostatic discharge. Handle with care.
SON8-P-0303-0.65A(PS-8)
Weight
: 0.016 g (Typ.)
1
2
3
4
8
7
6
5
FB
COMP
R
T
PGND
ENB
V
IN
SW
SGND
The dot (
) on the top surface indicates pin 1.
*: Lot number
7100
Part number
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