MAX1904ETJ+ Maxim Integrated Products, MAX1904ETJ+ Datasheet - Page 14

• Manufacturer Part Number: MAX1904ETJ+
• Description: IC CNTRLR PWR SPLY LN 32-TQFN
• Manufacturer: Maxim Integrated Products

Specifications of MAX1904ETJ+

• Applications: Controller, Notebook Computers
• Voltage - Input: 4.2 ~ 30 V
• Number Of Outputs: 4
• Voltage - Output: 2.5 ~ 5 V
• Operating Temperature: 0°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 32-TQFN Exposed Pad
• Output Voltage: 3.3 V, 5 V, 2.5 V to 5.5 V
• Output Current: 5 A
• Input Voltage: 4.2 V to 30 V
• Mounting Style: SMD/SMT
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

500kHz Multi-Output, Low-Noise Power-Supply
Controllers for Notebook Computers
Figure 2. MAX1902 Functional Diagram
14
3.3V
R1
R2
______________________________________________________________________________________
5V ALWAYS ON
7V to 24V
INPUT
TIME/ON5
CSH3
CSL3
BST3
DH3
DL3
FB3
REF
LX3
V
L
0.6V
+
-
+
-
V
REF
L
V
L
LINEAR
+
-
SHDN
LOGIC
PWM
REG
3.3V
2.5V
REF
5V
50kHz
ON/OFF
LPF
REF
POWER-ON
SEQUENCE
-
+
LOGIC
4.5V
RUN/ON3
CSL5
1.75V
-
2.68V
OUTPUTS
2.388V
333kHz
500kHz
OV/UV
FAULT
OSC
TO
UP
V+
-
SYNC
LINEAR
+
-
+
REF
-
REG
12V
SECFB
50kHz
LOGIC
PWM
LPF
5V
GND
MAX1902
IN
TIMER
+
-
2.6V
1V
V
13V
L
-
+
-
+
0.6V
12OUT
V
BST5
DH5
DL5
PGND
CSH5
CSL5
FB5
RESET
LX5
SEQ
DD
12V
RAW 15V
R3
R4
5V