LTC3830ES#TRPBF Linear Technology, LTC3830ES#TRPBF Datasheet - Page 24

• Manufacturer Part Number: LTC3830ES#TRPBF
• Description: IC DC/DC CONTRLR STEP-DWN 16SOIC
• Manufacturer: Linear Technology
• Type: Step-Down (Buck)r

Specifications of LTC3830ES#TRPBF

• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 3.3V, Adj
• Current - Output: 20A
• Frequency - Switching: 200kHz
• Voltage - Input: 3 ~ 8 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -

TYPICAL APPLICATIO
LTC3830/LTC3830-1
RELATED PARTS
PART NUMBER
LTC1530
LTC1628/LTC3728
LTC1702
LTC1709
LTC1736
LTC1773
LTC1778
LTC1873
LTC1876
LTC1929/LTC3729
LTC3713
LTC3770
LTC3831
LTC3832
No R
24
SENSE
is a trademark of Linear Technology Corporation.
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
DESCRIPTION
High Power Synchronous Switching Regulator Controller
Dual High Efficiency 2-Phase Synchronous Step-Down Controller
Dual High Efficiency 2-Phase Synchronous Step-Down Controller
2-Phase, 5-Bit Desktop VID Synchronous Step-Down Controller
Synchronous Step-Down Controller with 5-Bit Mobile VID Control
Synchronous Step-Down Controller in MS10
Wide Operating Range/Step-Down Controller, No R
Dual Synchronous Switching Regulator with 5-Bit Desktop VID
2-Phase, Dual Step-Down Synchronous Controller with
Integrated Step-Up DC/DC Regulator
2-Phase, Synchronous High Efficiency Converter
with Mobile VID
Low Input Voltage, High Power, No R
Synchronous Controller
Fast DC/DC Step-Down Synchronous Controller with Margining,
Tracking and PLL
High Power Synchronous Switching Regulator Controller for
DDR Memory Termination
Synchronous Step-Down Controller
●
FAX: [phone]
130k
4.7µF
100Ω
C1
33pF
0.1µF
U
10µF
SHDN
R
18k
C
C
1500pF
0.01µF
C
●
www.linear.com
Typical 3.3V to 2.5V, 14A Application
V
SS
FREQSET
SHDN
COMP
PV
CC
CC2
SENSE
LTC3830
SENSE
NC
SENSE
PV
, Step-Down
–
12V
PGND
I
CC1
GND
MAX
G1
I
G2
FB
FB
+
SENSE
6.8k
NC
1k
0.1µF
C
C
D1: MBRS330T3
L
Q1, Q2: VISHAY Si7892DP
O
IN
OUT
Q2
: SUMIDA CDEP105-1R3
COMMENTS
SO-8 with Current Limit. No R
Constant Frequency, Standby 5V and 3.3V LDOs,
3.5V ≤ V
550kHz, 25MHz GBW Voltage Mode, V
Current Mode, V
Fault Protection, Power Good, 3.5V to 36V Input, Current Mode
Up to 95% Efficiency, 550kHz, 2.65V ≤ V
0.8V ≤ V
V
1.3V to 3.5V Programmable Core Output Plus I/O Output
Step-Down DC/DC Conversion from 3V
C
Current Mode Ensures Accurate Current Sensing V
I
Minimum V
MOSFETs
4V ≤ V
V
0.6V ≤ V
: SANYO POSCAP 6TPB330M
OUT
IN
OUT
OUT
: SANYO POSCAP 4TPB470M
Up to 36V, Current Mode, Power Good
, Uses Logic-Level N-Channel MOSFETs
Up to 40A
Tracks 1/2 of V
Q1
IN
D1
IN
OUT
OUT
≤ 32V, 0.6V ≤ V
1.3µH
≤ 36V
IN
L
O
≤ V
≤ 5V, Pin-for-Pin Compatible with the LTC3830
: 1.5V, Uses Standard Logic-Level N-Channel
IN
IN
+
+
, Synchronizable to 750kHz
to 36V, I
IN
C
330µF
× 2
C
470µF
×3
or External Reference
IN
OUT
OUT
© LINEAR TECHNOLOGY CORPORATION 2001
OUT
≤ 28V, Powerful Gate Drivers
16.5k
1%
16.9k
1%
3830 TA01
SENSE
Up to 42A
3.3V
2.5V
14A
TM
Required
IN
LT/LT 0305 • PRINTED IN USA
IN
IN
, Minimum C
≤ 7V, No R
≤ 8.5V,
IN
SENSE
Up to 36V,
IN
and
3830fa