MAX1687ESA 데이터 시트보기 (PDF) - Maxim Integrated
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MAX1687ESA Datasheet PDF : 12 Pages
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Step-Up DC-DC Converters with
Precise, Adaptive Current Limit for GSM
10µH
VIN
2.7V TO 6V
0.1µF
LX1
LX2
LX1
LX2
IN
MAX1687 OUT
IN
OUT
47µF
REF*
ON
ON
OFF
LIM
FB
AGND
PGND
PGND
VOUT = 5V
350mA
R2
187k
47µF
R1
61.9k
*TSSOP PACKAGE ONLY
Figure 6b. MAX1687 Typical Application Circuit (Fixed Non-Pulsed Load)
10µH
VIN
2.7V TO 6V
0.1µF
LX1
LX2
LX1
LX2
IN
MAX1688 OUT
IN
OUT
47µF
RCHG
40.2k
CHG
ON
ON
OFF
REF
FB
AGND
PGND
PGND
VOUT = 5V
2A AT 12%
DUTY CYCLE
R2
187k
2000µF
R1
61.9k
Figure 7. MAX1688 Typical Application Circuit (GSM Pulsed Load)
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