FAN5234_10 Datasheet, PDF (2/15 Pages) Fairchild Semiconductor – Dual Mobile-Friendly PWM / PFM Controller

Typical Application
VIN (BAT TERY)
= 2 to 24V
+5
VCC
11
C4
R5
ILIM ₄
EN
3
C3
+5
SS1
7
FPWM
16
R4
AGND ₈
PGOOD
2
VIN
1
FA N5 234
BO OT
15
Q1A
14 ^HDRV
SW
13
Q1B
10 ^LDRV
9 ^PGND
12 ^ISNS
6 ^VSEN
5 ^VOUT
C1
C2
D1
+5
C5
L1
R3
1.8V at 3.5A
C6
R1
R2
Figure 1. 1.18V Output Regulator
Block Diagram
© 2004 Fairchild Semiconductor Corporation
FAN5234 • Rev. 2.0.0
Figure 2. Block Diagram
2
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