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SP6644 数据表(PDF) 7 Page - Sipex Corporation

部件名 SP6644
功能描述  Single/Dual Alkaline Cell, High Efficiency Boost DC-DC Regulator
PDF  15 Pages
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制造商  SIPEX [Sipex Corporation]
网页  http://www.sipex.com
标志 SIPEX - Sipex Corporation

SP6644 数据表(HTML) 7 Page - Sipex Corporation

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7
Date: 11/30/04
SP6644/6645 High Efficiency Boost Regulator
© Copyright 2004 Sipex Corporation
Figure 25. Shutdown Response and Inductor Current,
Vout=3.3V, Vbatt=1.3V, Rlim=2.5k, Rload=550 Ohms,
Li=22uH Sumida CD43
Table 1. SP6644/6645 Pin Descriptions
Figure 26. Pinout for the SP6644/6645
Refer to the circuit in
Figure 28, T
AMB = +25
oC, unless otherwise noted.
VOUT
GND
RLIM
VBATT
LX
1
2
3
4
5
6
7
8
SP6644
SP6645
SHDN
FB
BATTLO
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PEAK =
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R
LIM
SDN
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Li
0.5A/div
V
OUT, VBATT
1V/div
PERFORMANCE CHARACTERISTICS
PIN DESCRIPTION



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