参数资料
型号: TPS61015DGST
厂商: TEXAS INSTRUMENTS INC
元件分类: 稳压器
英文描述: SWITCHING REGULATOR, 780 kHz SWITCHING FREQ-MAX, PDSO10
封装: PLASTIC, MSOP-10
文件页数: 31/32页
文件大小: 965K
代理商: TPS61015DGST
www.ti.com
Adjustable Output Voltage
Parameter Measurement Information
VBAT
LBI
ADEN
EN
VOUT
LBO
FB
COMP
SW
GND
CIN
10
F
L1
10
H
R3
COUT
22
F
CC1
10 pF
CC2
10 nF
RC
100 k
6
9
8
1
4
2
3
10
5
7
OFF
ON
VOUT = 3.3 V
Low Battery Warning
TPS61016
R1
R2
List of Components:
IC1:
Only Fixed Output Versions
(Unless Otherwise Noted)
L1:
SUMIDA CDRH6D38 – 100
CIN:
X7R/X5R Ceramic
COUT : X7R/X5R Ceramic
TPS61010, TPS61011
TPS61012, TPS61013
TPS61014, TPS61015, TPS61016
SLVS314D – SEPTEMBER 2000 – REVISED JUNE 2005
DETAILED DESCRIPTION (continued)
The devices with fixed output voltages are trimmed to operate with an output voltage accuracy of
±3%.
The accuracy of the adjustable version is determined by the accuracy of the internal voltage reference, the
controller topology, and the accuracy of the external resistor. The reference voltage has an accuracy of
±4% over
line, load, and temperature. The controller switches between fixed frequency and pulse-skip mode, depending on
load current. This adds an offset to the output voltage that is equivalent to 1% of VO. The tolerance of the
resistors in the feedback divider determine the total system accuracy.
Figure 1. Circuit Used for Typical Characteristics Measurements
8
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TPS61012DGST SWITCHING REGULATOR, 780 kHz SWITCHING FREQ-MAX, PDSO10
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