MIC23099_14 Datasheet, PDF (21/26 Pages) Micrel Semiconductor – Single AA/AAA Cell Step-Up/Step-Down Regulators with Battery Monitoring

Micrel, Inc.
Typical Application Schematic
MIC23099
(0.9V – 1.6V)
VIN
C1
10µF
L1
6.8µH
EN
14 _SW1
2 _VIN
6 _EN
V_OUT1
R5
100kΩ
5 _PG
PG
4 _NC
ON (VIN >= 1.2V)
V_OUT1
Blinking (VIN < 1.2V)
0.25Hz/25%DC
R6
80.6Ω
7 _LED
LED
OUT1 ¹³
C2
4.7µF
PGND1 ¹
FB1 ³
MIC23099
R1
133kΩ
C3
4.7µF
C6
47µF
V_OUT1
1.8V/111mA
VOUT1
R2
66.5kΩ
PGND2
C7
33pF
SW2 ¹²
OUT2 ¹⁰
PGND2 ¹¹
FB2 ⁹
AGND ⁸
EP
L2
4.7µH
PGND2
C4
4.7µF
R3
392kΩ
R4
576kΩ
C5
10µF
V_OUT2
1.1V/30mA
VOUT2
Note:
C5 AND C6 ARE SOC BYPASS CAPACITORS
August 6, 2014
21
Revision 1.3