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Portable Ultrasound
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Core Supply
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Portable Ultrasound - Core Supply
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Device
Data-
Sheet
Device Description
V
IN
(min) (V)
V
IN
(max) (V)
V
OUT
(min) (V)
V
OUT
(max) (V)
I
OUT
(max) (A)
Iq (ľA)
Switching Frequency (MHz)
Peak Efficiency (%)
POR
BOM Total Footprint
100-999 Unit MSRP
($)
Package
ISL85001
1A Standard Buck PWM Regulator
5.5
25
0.6
19
1
80
0.5
94
Y
*
2.40
12 Ld DFN
12 Ld DFN T+R
Eval Board
Device
Data-
Sheet
Device Description
Control Mode
UVLO Rising (V)
UVLO Falling (V)
V
BIAS
(max) (V)
No-Load Operating Current (mA)
# of PWM Outputs
FET Driver I
OUT
(max) (A)
Max Duty Cycle (%)
100-999 Unit MSRP
($)
Package
ISL8840A
High Performance Industry Standard Single-Ended Current Mode PWM Controller
Peak Current Mode
7
6.6
30
2.9
1
1
100
1.25
8 Ld MSOP
8 Ld MSOP T+R
8 Ld SOIC
8 Ld SOIC T+R
ISL8844A
High Performance Industry Standard Single-Ended Current Mode PWM Controller
Peak Current Mode
14.4
8.8
30
2.9
1
1
50
1.13
8 Ld MSOP
8 Ld MSOP T+R
8 Ld SOIC
8 Ld SOIC T+R
Device
Data-
Sheet
Device Description
V
IN
(min) (V)
V
IN
(max) (V)
V
OUT
(min) (V)
V
OUT
(max) (V)
I
OUT
(max) (A)
V
BIAS
(V)
I
S
(min) (mA)
I
S
(typ) (mA)
100-999 Unit MSRP
($)
Package
ISL6224
Single Output Mobile-Friendly PWM Controller
2
24
0.9
5.5
8
5
0.85
2.21
16 Ld QSOP
16 Ld QSOP T+R
Eval Board
ISL6406
Single Synchronous Buck Pulse-Width Modulation (PWM) Controller
3.3
5
0.8
5
20
3.3 to 5
7
9.8
1.13
16 Ld QFN
16 Ld QFN T+R
16 Ld SOIC
16 Ld SOIC T+R
16 Ld TSSOP
16 Ld TSSOP T+R
Eval Board
ISL6526A
Single Synchronous Buck Pulse-Width Modulation (PWM) Controller
2.5
5
0.8
V
IN
20
3.3 to 5
6.1
6.9
1.06
14 Ld SOIC
14 Ld SOIC T+R
16 Ld QFN
16 Ld QFN T+R
Eval Board
ISL6527A
Single Synchronous Buck Pulse-Width Modulation (PWM) Controller
2.5
5
0.8
V
IN
20
3.3 to 5
2.6
3.3
0.96
14 Ld SOIC
14 Ld SOIC T+R
16 Ld QFN
16 Ld QFN T+R
Eval Board
Device
Data-
Sheet
Device Description
V
IN
(min) (V)
V
IN
(max) (V)
Supply Current V
CC
(mA)
Supply Current LV
CC
(mA)
V
OUT1
(min) (V)
V
OUT1
(max) (V)
V
OUT2
(V)
V
OUT3
(V)
I
OUT1
(mA)
I
OUT2
(mA)
I
OUT3
(mA)
I
2
C
100-999 Unit MSRP
($)
Package
ISL6271A
Integrated XScale Regulator
2.76
5.5
50
40
0.85
1.6
1.1
1.3
800
50
40
Y
1.89
20 Ld QFN
20 Ld QFN T+R
Eval Board
*Data listed above is for reference only, please refer to Product Data Sheets for current specifications.