MCP1603-ADJI/MC Microchip Technology, MCP1603-ADJI/MC Datasheet - Page 3

• Manufacturer Part Number: MCP1603-ADJI/MC
• Description: IC SYNC BUCK REG .5A ADJ 8-DFN
• Manufacturer: Microchip Technology
• Type: Step-Down (Buck)r

Specifications of MCP1603-ADJI/MC

• Package / Case: 8-DFN
• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 0.8 ~ 4.5 V
• Current - Output: 500mA
• Frequency - Switching: 2MHz
• Voltage - Input: 2.7 ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Output Voltage: 0.8 V to 4.5 V
• Output Current: 500 mA
• Input Voltage: 2.7 V to 5.5 V
• Switching Frequency: 2 MHz
• Operating Temperature Range: - 40 C to + 85 C
• Mounting Style: SMD/SMT
• Duty Cycle (max): 100 %
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: MCP1603RD-TNY - REFERENCE DESIGN FOR MCP1603MCP1603EV - BOARD EVAL BUCK CONV MCP1603
• Power - Output: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Functional Block Diagram
© 2007 Microchip Technology Inc.
V
V
FB
IN
Comp
Slope
/ V
OUT
V
REF
UVLO
UVLO
PFM Error Amp
PWM Error Amp
OSC
EA
OV Threshold
UV Threshold
Shutdown
Thermal
TSD
S
R
Q
Q
IPEAK
IPEAK
Band
Gap
PWM
PFM
IPEAK
POFF
Logic and timing
SHDN
Switch Drive
PWM/PFM
PWM/PFM
Logic
PWM
IPEAK
Disable
Switcher
-ILPK
Soft Start
NOFF
I
-ILPK
PK
PFM
Limit
-I
ILIM
PK
Limit
PWM
V
REF
ILIM
MCP1603
PFM
V
REF
DS22042A-page 3
GND
L
UVLO
TSD
X