AAT1230ITP-T1 Analogic Tech, AAT1230ITP-T1 Datasheet - Page 17

• Manufacturer Part Number: AAT1230ITP-T1
• Description: Switching Converters, Regulators & Controllers 18V 100mA Step-Up Converter
• Manufacturer: Analogic Tech

Specifications of AAT1230ITP-T1

• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

From Switching Frequency vs. I
and I
For Coiltronics inductor SD3814-2R2, I
16V Output Capacitor
I
I
P
ΔV
1230.2007.06.1.6
C
PEAK
RMS
LOSS(INDUCTOR)
OUT
OUT
=
= 0.625 + 0.640
= 1.265A = 1265mA
OUT
=
=
=
= 1.05µF; use 2.2µF/25V MLC
= 0.1V
1 - D
1 - 0.840
I
I
F
PEAK
= 100mA, F
0.100
OUT
I
S
OUT
3
· ΔV
MAX
· D
=
= I
= (0.730)
= 0.041W
= 41mW
MAX
OUT
1265
RMS
+
+
3
D
2
=
2 · 0.8M · 2.2µH
SW
(2 · F
· DCR
MAX
0.834 (2.7V)
(0.8kHz) (0.1V)
= 730mA
2
(0.1A) (0.84)
= 800kHz.
(0.077)
· V
S
IN(MIN)
· L)
OUT
curves estimated switching frequency of AAT1230/1230-1 with V
SAT
= 1.90A, I
RMS(MAX)
= 1.43A and DCR = 77mΩ.
18V 100mA Step-Up Converter
AAT1230/1230-1
OUT
= 16V
17