FAN5093MTCX Fairchild Semiconductor, FAN5093MTCX Datasheet - Page 2

• Manufacturer Part Number: FAN5093MTCX
• Description: IC CTRLR DC-DC SYNC 2PH 24TSSOP
• Manufacturer: Fairchild Semiconductor

Specifications of FAN5093MTCX

• Applications: Controller, Intel Pentium® IV
• Voltage - Input: 12V
• Number Of Outputs: 1
• Voltage - Output: 1.1 ~ 1.85 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 24-TSSOP
• Output Voltage: 1.85 V
• Output Current: 50 A
• Input Voltage: 10.8 V to 13.2 V
• Mounting Style: SMD/SMT
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

FAN5093
Pin Assignments
Pin Definitions
2
Pin Number
1-5
10
11
12
13
14
15
16
17
18
19
6
7
8
9
Pin Name
VID0-4
BYPASS
AGND
LDRVB
PGNDB
SWB
HDRVB
BOOTB
BOOTA
HDRVA
SWA
PGNDA
LDRVA
VCC
PWRGD
BYPASS
BOOTB
PGNDB
HDRVB
LDRVB
Pin Function Description
Voltage Identification Code Inputs. Open collector/TTL compatible inputs will
program the output voltage over the ranges specified in Table 1. Internally Pulled-
Up.
5V Rail. Bypass this pin with a 0.1 F ceramic capacitor to AGND.
Analog Ground. Return path for low power analog circuitry. This pin should be
connected to a low impedance system ground plane to minimize ground loops.
Low Side FET Driver for B. Connect this pin to the gate of an N-channel
MOSFET for synchronous operation. The trace from this pin to the MOSFET gate
should optimally be <0.5 " .
Power Ground B. Return pin for high currents flowing in low-side MOSFET.
Connect directly to low-side MOSFET source.
High side driver source and low side driver drain switching node B. Gate
drive return for high side MOSFET, and negative input for low-side MOSFET
current sense.
High Side FET Driver B. Connect this pin to the gate of an N-channel MOSFET.
The trace from this pin to the MOSFET gate should optimally be <0.5 " .
Bootstrap B. Input supply for high-side MOSFET.
Bootstrap A. Input supply for high-side MOSFET.
High Side FET Driver A. Connect this pin to the gate of an N-channel MOSFET.
The trace from this pin to the MOSFET gate should optimally be <0.5 " .
High side driver source and low side driver drain switching node A. Gate
drive return for high side MOSFET, and negative input for low-side MOSFET
current sense.
Power Ground A. Return pin for high currents flowing in low-side MOSFET.
Connect directly to low-side MOSFET source.
Low Side FET Driver for A. Connect this pin to the gate of an N-channel
MOSFET for synchronous operation. The trace from this pin to the MOSFET gate
should optimally be <0.5 " .
VCC. Internal IC supply. Connect to system 12V supply, and decouple with a 10
resistor and 1 F ceramic capacitor.
Power Good Flag. An open collector output that will be logic LOW if the output
voltage is less than 350mV less than the nominal output voltage setpoint. Power
Good is prevented from going low until the output voltage is out of spec for
500µsec.
AGND
VID0
VID1
VID2
VID3
VID4
SWB
1
2
3
4
5
6
7
8
9
10
11
12
FAN5093
24
23
22
21
20
19
18
17
16
15
14
13
VFB
RT
ENABLE/SS
DROOP/E*
ILIM
PWRGD
VCC
LDRVA
PGNDA
SWA
HDRVA
BOOTA
PRODUCT SPECIFICATION
REV. 1.1.0 3/27/03