MIC4575-3.3BT Micrel Inc, MIC4575-3.3BT Datasheet - Page 9

• Manufacturer Part Number: MIC4575-3.3BT
• Description: IC REG 200KHZ 1.0A 3.3V TO-220-5
• Manufacturer: Micrel Inc
• Type: Step-Down (Buck)r

Specifications of MIC4575-3.3BT

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 3.3V
• Current - Output: 1A
• Frequency - Switching: 200kHz
• Voltage - Input: 4 ~ 24 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Through Hole
• Package / Case: TO-220-5 (Straight Leads)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -

Micrel, Inc.
July 2009
U1 Micrel
U2 National
U3 Micrel
C1 Nichicon
C2 Nichicon
D1 Motorola
D2 Motorola
D3 Motorola
L1 Coiltronics
R1 KRL
Q1 Siliconix
V
8V to 24V
150µF
35V
C1
V
IN
5
1
SHDN
V
MIC4575BT
LM358
LM4041CIZ-1.2
1N5819
1N5819
1N4148
SP-1-A1-0R100J
VN2222LL
IN
MIC4575-BT
/ 0.9 + 2.5V
GND
3
SW
FB
2
4
Figure 17. 0.1A–1A Variable-Current Battery Charger
R7
1k
Figure 16. 1A Battery Charger (6–8 cells)
C4
1000pF
R6
3k
1N4148
1
D3
0.01µF
C3
D1
1N5819
1N5244
2
3
DZ1
14V
68µH
L1
1/2LM358
U2A
9
100
1.21k
1%
1%
R2
R4
0.1
Q1
VN2222LL
R3
10k
R1
7
V
8
4
IN
1/2 LM358
C2
330µF
16V
5
6
U2B
1N5819
D2
V
IN
R5
10k
VR1
10k
0.1A to 1A
I
OUT
2-8 Cells
U3
LM4041CIZ-1.2
V
BATT
M9999-072909
MIC4575