FAN5018BMTCX Fairchild Semiconductor, FAN5018BMTCX Datasheet - Page 9

• Manufacturer Part Number: FAN5018BMTCX
• Description: IC CTRLR DC-DC MULTIPH 28TSSOP
• Manufacturer: Fairchild Semiconductor

Specifications of FAN5018BMTCX

• Applications: Controller, High-Current, Implementing Low-Voltage CPU Core Power Circuits
• Voltage - Input: 12V
• Number Of Outputs: 1
• Voltage - Output: 0.5 ~ 3.5 V
• Operating Temperature: 0°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-TSSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PRODUCT SPECIFICATION
Typical Characteristics
Test Circuits
REV. 1.0.0 Jul/15/05
Test Circuit 1. Current Sense Amplifier V
Test Circuit 2. Voltage Positioning
+12V
39kΩ
1kΩ
1V
200k Ω
3.5
2.5
1.5
0.5
4
3
2
1
0
+12V
0
10k Ω
80mV
1V
100nF
TPC 1. Master Clock Frequency
200k Ω
100
RESISTOR’S RT VALUE (kΩ)
28
18
17
16 CSREF
19
100nF
CSCOMP
VCC
CSSUM
GND
28
18
17
16
19
8
9
V
VCC
CSCOMP
CSSUM
FB
CSREF
COMP
GND
OS
200
=
CSA
CSCOMP–1V
Δ
V
FB
40
=
CSA
300
FB
OS
−
V
VID
400
Test Circuit 3. Closed Loop Output Voltage Accuracy
4.7nF
TPC 2. Supply Current vs. Master Clock Frequency
5.3
5.2
5.1
5.0
4.9
4.8
4.7
4.6
0
T
4-Phase Operation
VID4
VID3
VID2
VID1
VID0
VID5
250k Ω
A
1kΩ
= 25 C
0.5
MASTER CLOCK FREQUENCY (MHz)
10
11
12
13
14
1 VID4
2
3
4
5
6
7
8
9
1.0
VID3
VID2
VID1
VID0
VID5
FBRTN
FB
COMP
PWRGD
EN
DELAY
RT
RAMPADJ
FAN5018B
1.5
CSCOMP
CSSUM
CSREF
PWM1
PWM2
PWM3
PWM4
ILIMIT
SW1
SW2
SW3
SW4
GND
VCC
2.0
28
27
26
25
24
23
22
21
20
19
18
17
16
15
2.5
250k Ω
20k Ω
100nF
3.0
3.5
FAN5018B
1μF
100nF
4.0
+12V
9