MIC2182-3.3YM Micrel Inc, MIC2182-3.3YM Datasheet - Page 9

• Manufacturer Part Number: MIC2182-3.3YM
• Description: IC CTRLR SYNC BUCK 3.3V 16-SOIC
• Manufacturer: Micrel Inc
• Type: Step-Down (Buck)r

Specifications of MIC2182-3.3YM

• Lead Free Status: Lead free
• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 3.3V
• 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
• Number Of Pwm Outputs: 1
• On/off Pin: Yes
• Adjustable Output: No
• Topology: Boost/Buck
• Switching Freq: 330KHz
• Operating Supply Voltage (max): 32V
• Output Current: 20mA
• Output Voltage: 3.3V
• Synchronous Pin: Yes
• Rise Time: 60ns
• Fall Time: 60ns
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 16
• Package Type: SOP N
• Duty Cycle: 86%
• Lead Free Status / RoHS Status: Compliant
• Other names: 576-1712-5; MIC2182-3.3YM

April 22, 2004
MIC2182
C
R
COMP
EN/UVLO
COMP
COMP
SYNC
PWM
SS
6
1
2
5
3
MIC2182-x.x
RESET
Oscillator
PWM
Control
Logic
CORRECTIVE
RAMP
PWM Mode
to Skip
Mode
Skip-Mode
Current
Limit
Low
Comp
Hysteresis
Comp
Figure 2b. Fixed Output Voltage Versions
Current
Limit
100k
Error
Amp
–2%V
0.024V
0.07V
Reference
G
BG
m
= 0.2 10
9
V
V
-3
Current
Sense
Amp
A
DD
IN
V
= 2
R1*
50k
R2
VDD
11
VIN
10
VBST
14
HSD
16
VSW
15
LSD
13
PGND
12
CSH
8
VOUT
9
SGND
4
VREF
7
V
IN
* 82.5k for 3.3V Output
Q2
Q1
150k for 5V Output
C
D2
C
D1
IN
BST
L1
4.7 F
R
CS
M9999-042204
V
C
OUT
OUT
Micrel