LTC1875EGN Linear Technology, LTC1875EGN Datasheet - Page 20

• Manufacturer Part Number: LTC1875EGN
• Description: IC REG STEP-DWN SYNC 1.5A 16SSOP
• Manufacturer: Linear Technology
• Type: Step-Down (Buck)r

Specifications of LTC1875EGN

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 0.8 ~ 6 V
• Current - Output: 1.5A
• Frequency - Switching: 550kHz
• Voltage - Input: 2.65 ~ 6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-SSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -

RELATED PARTS
LTC1875
PART NUMBER
LT
LT1676
LT1765
LT1776
LTC1878
LTC1879
LT1934/LT1934-1
LT1940
LTC3405/LTC3405B 300mA (I
LTC3406/LTC3406B 600mA (I
LTC3411
LTC3412
LTC3430
LTC3440
ThinSOT is a trademark of Linear Technology Corporation.
20
TYPICAL APPLICATIO
®
1616
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] FAX: [phone]
DESCRIPTION
500mA (I
DC/DC Converter
450mA (I
DC/DC Converter
25V, 2.75A (I
DC/DC Converter
500mA (I
DC/DC Converter
600mA (I
DC/DC Converter
1.2A (I
300mA/70mA (I
DC/DC Converters
Dual Output 1.4A (I
Step-Down DC/DC Converter
DC/DC Converters
DC/DC Converters
1.25A (I
2.5A (I
60V, 2.75A (I
DC/DC Converter
600mA (I
DC/DC Converter
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
), 550kHz Synchronous Step-Down DC/DC Converter
), 4MHz Synchronous Step-Down DC/DC Converter
), 4MHz Synchronous Step-Down DC/DC Converter
), 1.4MHz High Efficiency Step-Down
), 100kHz High Efficiency Step-Down
), 200kHz High Efficiency Step-Down
), 550kHz Synchronous Step-Down
), 1.5MHz Synchronous Step-Down
), 1.5MHz Synchronous Step-Down
), 2MHz Synchronous Buck-Boost
OUT
OUT
OUT
), 1.25MHz High Efficiency Step-Down
), 200kHz High Efficiency Step-Down
Single Li-Ion to 3.3V/1A Regulator Using All Ceramic Capacitors
OUT
), High Efficiency Step-Down
U
) Constant 1.1MHz, High Efficiency
POWER
GOOD
www.linear.com
C
0.1 F
C
220pF
SVIN
C2
0.1 F
C
R
100k
SS
R
PG
1M
SS
R
150k
C
C
47pF
C1
14
16
2
4
PGOOD
RUN/SS
PLL_LPF
I
TH
SV
IN
13
LTC1875
SYNC/MODE
PGND
PGND
SGND
15
SWP
SWP
SWN
SWN
PV
PV
V
FB
IN
IN
R
10
SVIN
8
9
7
10
5
12
6
11
3
1
COMMENTS
90% Efficiency, V
I
90% Efficiency, V
I
90% Efficiency, V
I
90% Efficiency, V
I
95% Efficiency, V
I
95% Efficiency, V
I
V
V
95% Efficiency, V
I
95% Efficiency, V
I
95% Efficiency, V
I
95% Efficiency, V
I
90% Efficiency, V
I
95% Efficiency, V
I
SD
SD
SD
SD
SD
SD
SD
SD
SD
SD
SD
SD
IN
IN
: <1 A, ThinSOT
: 2.5 A, S8
: 15 A, S8, TSSOP16E
: 30 A, N8, S8
: <1 A, MS8
: <1 A, TSSOP16
: <1 A, ThinSOT
: <1 A, ThinSOT
: <1 A, 10-Lead MS
: <1 A, TSSOP16E
: 25 A, TSSOP16E
: <1 A, 10-Lead MS
: 3.2V to 34V, V
: 3V to 25V, V
R2
412k
1.29M
4.7 H
10 F
R1
C
L1
IN1
OUT(MIN)
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
C
47 F
1875 TA03
OUT(MIN)
OUT
: 3.6V to 25V, V
: 7.4V to 60V, V
: 3V to 25V, V
: 7.4V to 40V, V
: 2.7V to 6V, V
: 2.7V to 10V, V
: 2.7V to 6V, V
: 2.5V to 5.5V, V
: 2.5V to 5.5V, V
: 2.5V to 5.5V, V
: 5.5V to 60V, V
: 2.5V to 5.5V, V
TM
C
10 F
IN2
BOLD LINES INDICATE HIGH CURRENT PATHS
C
C
L1: TOKO A921CY-4R7M
*V
**1A IS THE MAXIMUM OUTPUT CURRENT
: 1.2V, I
IN1
OUT
OUT
: 1.2V, I
, C
: TDK CERAMIC C4532X5R0J476M
IN2
CONNECTED TO V
LINEAR TECHNOLOGY CORPORATION 2001
V
GND
V
3.3V*
1A**
: TAIYO YUDEN CERAMIC JMK316BJ106ML
IN
OUT
OUT(MIN)
Q
3V TO 4.2V
OUT(MIN)
OUT(MIN)
: 3.8mA, I
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
Q
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
: 14 A, I
LT/TP 0403 2K • PRINTED IN USA
: 1.2V, I
IN
: 0.8V, I
: 0.8V, I
FOR 3V < V
: 1.25V, I
: 1.24V, I
: 1.24V, I
: 0.8V, I
: 1.2V, I
SD
: 0.6V, I
: 0.8V, I
: 0.8V, I
: 2.5V, I
SD
: <1 A, TSSOP16E
: <1 A, ThinSOT
Q
Q
Q
: 1mA,
IN
: 10 A,
Q
: 20 A,
Q
Q
Q
Q
Q
: 15 A,
: 2.5mA,
< 3.3V
Q
Q
Q
: 20 A,
: 60 A,
: 60 A,
: 25 A,
: 1.9mA,
: 3.2mA,
: 3.2mA,
1875f