LTC1474IS8#PBF Linear Technology, LTC1474IS8#PBF Datasheet - Page 16

• Manufacturer Part Number: LTC1474IS8#PBF
• Description: IC CONV STEP-DWN HI-EFF 8-SOIC
• Manufacturer: Linear Technology
• Type: Step-Down (Buck)r

Specifications of LTC1474IS8#PBF

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: Adjustable
• Current - Output: 750mA
• Voltage - Input: 3 ~ 18 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Primary Input Voltage: 18V
• No. Of Outputs: 1
• Output Voltage: 18V
• Output Current: 750mA
• No. Of Pins: 8
• Operating Temperature Range: -40°C To +85°C
• Msl: MSL 1 - Unlimited
• Termination Type: SMD
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Frequency - Switching: -

LTC1474/LTC1475
TYPICAL APPLICATIONS
16
3.5V TO 12V
ON/OFF
V
††
IN
8V TO 18V
** AVX TPSC106M025
††
V
** AVX TPSC475M035
* SUMIDA CDRH74-101
†
TP0610
* SUMIDA CDRH73-101
IN
†
10M
AVX TPSC336M010
RUN: ON/OFF = 0, SHUTDOWN: 0N/OFF = V
AVX TPSD476M016
CHARGER
+
ON/OFF
+
4.7 F**
35V
10 F**
25V
U
100k
Figure 14. Positive-to-Negative (– 5V) Converter
6
3
8
SENSE
LBI
RUN
6
3
8
Figure 15. 4-NiCd Battery Charger
SENSE
LBI
RUN
LTC1474
GND
V
IN
LTC1474-5
7
4
GND
V
IN
LBO
V
4
SW
7
IN
FB
V
1
2
5
LBO
OUT
SW
1
2
5
0.1 F
1M
0.1 F
4.69M
10pF
L*
100 H
D1
MBR0530
L*
100 H
D1
MBR0530
+
+
33 F
10V
47 F
16V
†
V
–5V
140mA AT V
MBR0530
OUT
†
V
IN
3.5
12
5
8
IN
(V)
1474/75 F15
V
4-NiCd
200mA
OUT
= 5V
I
LOAD(MAX)
100mA
140mA
190mA
240mA
1474/75 F14