MAX1515ETG+T Maxim Integrated Products, MAX1515ETG+T Datasheet - Page 13

• Manufacturer Part Number: MAX1515ETG+T
• Description: IC REG DDR LV 24-TQFN
• Manufacturer: Maxim Integrated Products

Specifications of MAX1515ETG+T

• Applications: Converter, DDR
• Voltage - Input: 1.3 ~ 3.6 V
• Number Of Outputs: 2
• Voltage - Output: 0.5 ~ 2.7 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 24-TQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 1. Standard Application Circuit
Figure 2. Functional Diagram
REFOUT
PGOOD
MODE
REFIN
GND
REF
V
DD
REF BUF
______________________________________________________________________________________
PWM MODE
1.1V
REF
(2.5V OR 1.8V)
V
CC
(3.0V TO 3.6V)
V
ON
PGOOD
LOGIC
DDQ
V
100kΩ
BIAS
R2
FB GAIN
(DDR MODE)
SKIP MODE
OFF
10kΩ
1%
R3
FB
10kΩ
C
1μF
V
10Ω
VCC
1%
CC
R4
FBSEL1
G
R1
m
0.01μF
C
DECODE
C
470pF
FBSEL
C
COMP
REFIN
TIMER
1μF
VDD
110kΩ
R
C
1μF
TOFF
REF
Low-Voltage, Internal Switch,
TOFF
FBSEL0
THRESHOLD
SNK/SRC
V
COMP
PGOOD
SKIP
SHDN
MODE
REF
REFIN
TOFF
CC
MODE
Step-Down/DDR Regulator
V
DD
MAX1515
ERR
BST
COMP
SOURCE
REFOUT
LOGIC
FBSEL0
FBSEL1
SINK/
PGND
0.01μF
GND
C
SS
LX
FB
BST
IN
SEE TABLE 1 FOR COMPONENT SPECIFICATIONS
SNK
SRC
SKIP
C
0.47μF
REFOUT
1.2μH
L
R
SHDN
SS
V
REFOUT
SENSE (+/-)
(OPTIONAL)
C
33μF
0.01μF
CURRENT
CURRENT
IN
C
START
LOGIC
SENSE
SOFT-
ZX(-)
PWM
ZX(+)
V
SS
OUT
C
220μF
(1.3V TO 3.6V)
OUT
= V
SS
= V
TTR
V
TT
IN
= V
DDC
DRIVER
DRIVER
H-SIDE
L-SIDE
V
DD
/ 2
BST
MAX1515
IN
LX
PGND
13