LTC1473CGN Linear Technology, LTC1473CGN Datasheet - Page 13

• Manufacturer Part Number: LTC1473CGN
• Description: IC SWITCH DVR PWRPATH DUAL16SSOP
• Manufacturer: Linear Technology
• Series: PowerPath™r

Specifications of LTC1473CGN

• Applications: Handheld/Mobile Devices
• Fet Type: N-Channel
• Number Of Outputs: 2
• Internal Switch(s): No
• Delay Time - On: 22µs
• Delay Time - Off: 1µs
• Voltage - Supply: 4.75 V ~ 30 V
• Current - Supply: 100µA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 16-SSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

TYPICAL APPLICATIONS
Complete Front End Including Battery Charger and DC/DC Converter with Automatic Switchover Between Battery and DCIN
900k
130k
1%
1%
R6
R7
***COILTRONICS CTX20-4
**COILCRAFT 1812LS-105XKBC
*SUMIDA CDRH125-10
7
R8
427k
1%
R9
113k
1%
74C00
1
3
2
1
2
3
4
4
OUT A
V
IN
IN
100pF
–
C1
+
–
A
B
6
LTC1442
C
C
5
SS
C2
, 51pF
, 0.1 F
R
C
OUT B
HYST
, 10k
REF
13
10
12
V
9
1000pF
+
8
7
6
5
14
C5
330pF
C
57pF
D3
6.8V
OSC
C
U
C
R10
50k
1%
R11
1132k
1%
11
500k
8
R5
1
2
3
4
5
6
7
8
BATTERY
C
RUN/SS
I
SFB
SGND
V
SENSE
SENSE
TH
OSC
OSENSE
Li-Ion
8.4V
C9
0.1 F
LTC1735
4700pF
–
+
C
TIMER
DCIN
EXTV
BOOST
INTV
D4
MBRD340
PGND
R13
5.1k
1%
R12
3k
1%
SW
V
C2, 0.1 F
BG
TG
CC
CC
+
IN
1 F
C7
R
0.033
16
15
14
13
12
11
10
9
R14
510
SENSE
C10
1 F
MMBD2838LT1
C16
220pF
C17
10 F
V
OUT
1 F
C8
+
1,4
CMDSH-3
2,3
L3***
20 H
R
0.033
SENSE
C3
4.7 F
16V
D1
1mH
D5
MBRD340
Si4412DY
L2**
R20
395k
0.1%
R21
164k
0.1%
Si4412DY
R18, 200
D6
MBR0540T
C11
0.47 F
Q1
0.1 F
C4
1
2
3
4
5
6
7
8
Q2
IN1
IN2
DIODE
TIMER
V
V
SW
GND
+
GG
1%
10
11
12
LTC1473
1
2
3
4
5
6
7
8
9
+
D2
MBRS140T3
GND
SW
BOOST
GND
GND
UV
GND
OVP
CLP
CLN
COMP1
SENSE
10 H
L1*
SENSE
SENSE
C
22 F
35V
IN
SAB1
SAB2
2
LT
GA1
GB1
GA2
GB2
®
+
–
1511
16
15
14
13
12
11
10
9
COMP2
UVOUT
R
0.015
PROG
V
V
V
SPIN
SENSE
GND
GND
GND
BAT
CC1
CC2
CC3
V
C
SGND
100 F
24
23
22
21
20
19
18
17
16
15
14
13
C
OUT
10V
3
Si9926DY
Si9926DY
1473 TA03
+
R15
1k
R19
200
1%
C15
0.33 F
R1
105k
1%
C12
10 F
C13
10 F
LTC1473
0.033
R16
300
R
C14
1 F
SENSE
20k
1%
R2
C6
100pF
V
5V/3.5A
OUT
R17
4.93k
13