ISL6226 Datasheet, PDF (11/17 Pages) Intersil Corporation – Advanced PWM and Linear Power Controller for Portable Applications

ISL6226
5V
C2
2 x10µF
LINEAR INPUT
Q1
R1
Vout = 0.8V - 3.8V
3A
R2
+ _C5
330µF
R3
LINDR
LINCS1
LINCS2
LINVS
VIN
1
VCC
6
7
19
8
18
17
9
20
ISL6226
11
14
13
BOOT
UGATE
PHASE
ISEN ^R4
200 ^1K
LGATE
PGND
D1
BAT54WT1
C5
Q2
1/2 FDS6982S
0.15µF
L2
6.4µH
R5
Q3
1/2 FDS6982S
Vout = 0.9V - 0.93*V_IN
(2A)
+ _C6
1x330µF
LINEN ₅
PWMEN ₃
FPWM ₂₂
VOUT
24
23 ^VSEN
C8
R7
PVCC ₁₅
PGOODL ₂
4 ^OCSET
R8
PGOODP
21
SSLIN
10
C10
16 ^SSPWM
12
C11
GND
FIGURE 6. APPLICATION CIRCUIT FOR TWO STEP 600 kHz CONVERSION (MODE 3)
NOTE: Q1 can be either N-MOSFET, NPN or not used for 50
mA
11