ISL6226 Datasheet, PDF (8/17 Pages) Intersil Corporation – Advanced PWM and Linear Power Controller for Portable Applications

ISL6226
+5.6-24 V_IN
C2, 3
2x10µF
5V
LINEAR INPUT
Q1
R1
Vout = 0.8V - 3.0V
3A
R2
+ _C5
330µF
R3
VIN
1
VCC
6
LINDR ₇
19
LINCS1 ₈
18
LINCS2 ₉
17
20
LINVS
ISL6226
11
14
13
BOOT
UGATE
PHASE
ISEN ^R4
200 ^1K
LGATE
PGND
D1
BAT54WT1
C4
1µF
C5
Q2
1/2 FDS6982S
0.15µF
L2
6.4µH
Q3
1/2 FDS6982S
Vout = 0.9V - 0.93*V_IN
(3A)
R5
+ _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 3. LDO WITH EXTERNAL N-MOSFET AND SYNCHORNOUS BUCK CONVERTER (Fs = 300KHz)
8