AAT1121IES-0.6-T1 Advanced Analog Technology, Inc., AAT1121IES-0.6-T1 Datasheet - Page 17

• Manufacturer Part Number: AAT1121IES-0.6-T1
• Description: 1.5MHz, 250mA Step-Down Converter
• Manufacturer: Advanced Analog Technology, Inc.

1. For reduced quiescent current, R2 = 221kΩ.
2. R2 is opened, R1 is shorted.
1121.2007.03.1.2
Manufacturer
Sumida
Sumida
Sumida
Sumida
Sumida
Sumida
Sumida
Sumida
Sumida
Sumida
Sumida
Taiyo Yuden
Taiyo Yuden
Taiyo Yuden
Taiyo Yuden
FDK
FDK
FDK
FDK
Output Voltage
V
OUT
1.85
0.6
0.8
0.9
1.0
1.1
1.2
1.3
1.4
1.5
1.8
2.0
2.5
3.3
2
(V)
MIPWT3226D-1R5
MIPWT3226D-2R2
MIPWT3226D-3R0
MIPWT3226D-4R2
CDRH2D09-1R5
CDRH2D09-2R2
CDRH2D09-2R5
CDRH2D09-3R0
CDRH2D09-3R9
CDRH2D09-4R7
CDRH2D09-5R6
CDRH2D11-1R5
CDRH2D11-2R2
CDRH2D11-3R3
CDRH2D11-4R7
Part Number
NR3010
NR3010
NR3010
NR3010
Table 4: Suggested Inductors and Suppliers.
Table 3: Evaluation Board Component Values.
R2 = 59kΩ
R1 (kΩ)
19.6
29.4
39.2
49.9
59.0
68.1
78.7
88.7
Inductance
118
124
137
187
267
—
(µH)
1.5
2.2
2.5
3.9
4.7
5.6
1.5
2.2
3.3
4.7
1.5
2.2
3.3
4.7
1.5
2.2
4.2
3
3
1.5MHz, 250mA Step-Down Converter
Current (mA)
Max DC
1200
1100
1200
1100
1000
730
600
530
470
450
410
370
900
780
600
500
870
750
900
R2 = 221kΩ
R1 (kΩ)
1000
150
187
221
261
301
332
442
464
523
715
113
75
—
(mΩ)
DCR
135
150
180
230
260
135
140
190
100
120
140
115
88
54
78
98
80
95
90
1
Size (mm)
3.0x3.0x1.0
3.0x3.0x1.0
3.0x3.0x1.0
3.0x3.0x1.0
3.0x3.0x1.0
3.0x3.0x1.0
3.0x3.0x1.0
3.2x3.2x1.2
3.2x3.2x1.2
3.2x3.2x1.2
3.2x3.2x1.2
3.0x3.0x1.0
3.0x3.0x1.0
3.0x3.0x1.0
3.0x3.0x1.0
3.2x2.6x0.8
3.2x2.6x0.8
3.2x2.6x0.8
3.2x2.6x0.8
LxWxH
L1 (µH)
3.0/3.3
3.0/3.3
3.0/3.3
3.9/4.2
AAT1121
1.5
1.5
1.5
1.5
1.5
1.5
1.5
2.2
2.7
5.6
Chip shielded
Chip shielded
Chip shielded
Chip shielded
Shielded
Shielded
Shielded
Shielded
Shielded
Shielded
Shielded
Shielded
Shielded
Shielded
Shielded
Shielded
Shielded
Shielded
Shielded
Type
17