MIC2182-5.0YM Micrel Inc, MIC2182-5.0YM Datasheet - Page 8

• Manufacturer Part Number: MIC2182-5.0YM
• Description: IC CTRLR SYNC BUCK 5.0V 16-SOIC
• Manufacturer: Micrel Inc
• Type: Step-Down (Buck)r

Specifications of MIC2182-5.0YM

• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 5V
• Current - Output: 20A
• Frequency - Switching: 300kHz
• Voltage - Input: 4.5 ~ 16.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (3.9mm Width)
• Power - Output: 400mW
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 576-2158; MIC2182-5.0YM

MIC2182
Block Diagrams
M9999-042204
C
R
COMP
EN/UVLO
COMP
COMP
SYNC
PWM
SS
6
1
2
5
3
MIC2182 [adj.]
RESET
Oscillator
PWM
Control
Logic
CORRECTIVE
RAMP
Figure 2a. Adjustable Output Voltage Version
PWM Mode
to Skip
Mode
Skip-Mode
Current
Limit
Low
Comp
Hysteresis
Comp
Current
Limit
100k
Error
Amp
–2%V
0.024V
0.07V
Reference
G
BG
m
= 0.2 10
8
V
V
-3
Current
Sense
Amp
A
DD
IN
V
= 2
VDD
11
VIN
10
VBST
14
HSD
16
VSW
15
LSD
13
PGND
12
CSH
8
VOUT
9
FB
7
SGND
4
V
IN
Q2
Q1
V
V
OUT
OUT(max)
C
D2
C
D1
IN
1.245V
BST
L1
6 V
.0
4.7 F
1
R2
R1
R
CS
R1
R2
April 22, 2004
V
C
OUT
OUT
Micrel