MAX1587CETL Maxim Integrated Products, MAX1587CETL Datasheet - Page 26

• Manufacturer Part Number: MAX1587CETL
• Description: Other Power Management PMICs w/Dynamic Core for PDAs
• Manufacturer: Maxim Integrated Products

High-Efficiency, Low-I
Dynamic Core for PDAs and Smart Phones
Figure 6. MAX1586 Typical Applications Circuit (The MAX1587 omits some features. See the Pin Description section.)
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nBATT_FAULT
LOW-BATT
WARNING
TO CPU
V7, VCC_BATT
(ALWAYS ON)
1MΩ
R21
240kΩ
C26
330pF
nVCC-FAULT
R19
TO CPU
nRESET
BATT
TO CPU
TO
BATTERY
BACKUP
TO V1
1MΩ
FROM CPU
R20
Li+
R22
240kΩ
C27
270pF
SYS_EN
RESET INPUT
MAIN
TO V1
BATT
SLEEP
1500pF
1MΩ
R18
0.1μF
C25
1μF
C24
1μF
C18
C19
RUN
R23
240kΩ
C28
330pF
BATT
DBI (3.2V OR ADJ)
LBI (3.6V OR ADJ)
REF
LBO
DBO
ON1
ON2
SLP
V7
RSO
MR
PWM3
POK
RAMP
CC1
CC2
CC3
GND
BKBT
1.25V
SRAD
REF
TO V1
SERIAL
I
2
C
REG1 OK
SCL SDA
POWER-
V1–V6
RESET
65ms
2.3V
OK
10μF
V7
C11
UVLO
BATT
MON
AND
DAC
V3
Q
100kΩ
IN
PMICs with
SLPIN
ON
ON
PWM
ADJ
STEP-DOWN
STEP-DOWN
STEP-DOWN
SLEEP
SLEEP
LDO
LDO
LDO
PWM
REG1
PWM
REG2
PWM
REG3
REG
REG
REG
LDO
LDO
4
5
6
MAX1586
ON
ON6
IN45
PV1
PG1
PV2
PG2
PV3
PG3
ON3
BYP
ON4
ON5
LX1
FB1
LX2
FB2
LX3
FB3
IN6
V5
V6
V1
V2
V4
3.3μH
6.8μH
10μH
L1
L2
L3
C12
4.7μF
C13
4.7μF
C14
4.7μF
C20
0.01μF
TO BATT
TO BATT
TO V2
FROM CPU
SYS_EN
TO V2
C23
1μF
C22
1μF
C21
1μF
C15
22μF
C16
22μF
C17
22μF
FROM CPU
PWR_EN
V4, VCC_PLL
1.3V, 35mA
V5
VCC_SRAM
1.1V, 35mA
V6
VCC_USIM
0V, 1.8V, 3.0V (DEF = 0V)
35mA
V1
VCC_IO
3.3V
1300mA
V2
VCC_MEM
2.5V
900mA
V3
VCC_CORE
0.7V TO 1.475V
500mA (MAX1586A, MAX1586B, MAX1587A)
900mA (MAX1586C, MAX1587C)