RC5057M Fairchild Semiconductor, RC5057M Datasheet - Page 17

• Manufacturer Part Number: RC5057M
• Description: DC/DC Switching Controllers Syn DC-DC Controller Programmable
• Manufacturer: Fairchild Semiconductor

Specifications of RC5057M

• Number Of Outputs: 1
• Output Voltage: 1.3 V to 3.5 V
• Output Current: 18 A
• Mounting Style: SMD/SMT
• Package / Case: SOIC-16
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

PRODUCT SPECIFICATION
PCB Layout Guidelines
Additional Information
REV. 1.2.0 2/10/00
Appendix
Worst-Case Formulae for the Calculation of
C
out
, R5, and C
C
R5 =
in
Y
=
=
in
IO
V
(Circuit of Figure 1 Only)
I
*
T+
O
* R
–0.004 * V
D
V
V
* (1 + R
50 * 10
nom
in
I
rms
X =
nom
–
-6
D
) * 1.10
+
ESR * I
V
ESR * I
V
nom
in
V
14400 * I
T-
18 * R5 * 1.1
O
2
O
O
* R
RC5057
D
17