FAN5066MX Fairchild Semiconductor, FAN5066MX Datasheet - Page 12

• Manufacturer Part Number: FAN5066MX
• Description: IC CTRLR DC/DC LV SYNC 20SOIC
• Manufacturer: Fairchild Semiconductor
• Type: Step-Down (Buck)r

Specifications of FAN5066MX

• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 0.4 ~ 3.5 V
• Current - Output: 19A
• Frequency - Switching: 300kHz
• Voltage - Input: 5V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 20-SOIC (7.5mm Width)
• Output Voltage: 0.4 V to 3.5 V
• Output Current: 19 A
• Input Voltage: 5 V
• Mounting Style: SMD/SMT
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: FAN5066MXTR; FAN5066MX_NL; FAN5066MX_NLTR; FAN5066MX_NLTR

FAN5066
Design Considerations and Component
Selection
MOSFET Selection
MOSFET Gate Bias
Method 1. Charge Pump (Bootstrap)
12
Method 2. 12V Gate Bias
PWM/PFM
PWM/PFM
Control
Control
Figure 4. Charge Pump Configuration
Figure 5. Gate Bias Configuration
+12V
VCCQP
VCCQP
GNDP
GNDP
LODRV
LODRV
HIDRV
HIDRV
47
1 F
CP
PRODUCT SPECIFICATION
D1
D1
Q1
Q2
Q2
Q1
REV. 2.1.4 11/13/01
L2
L2
D2
+5V
D2
RS
RS
+5V
C
C
OUT
OUT
VO
VO