LTC1473LCGN#PBF Linear Technology, LTC1473LCGN#PBF Datasheet - Page 6

• Manufacturer Part Number: LTC1473LCGN#PBF
• Description: IC SWITCH DVR PWRPATH DUAL16SSOP
• Manufacturer: Linear Technology
• Series: PowerPath™r

Specifications of LTC1473LCGN#PBF

• 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: 2.8 V ~ 9 V
• Current - Supply: 100µA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 16-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

LTC1473L
PI FU CTIO S
GB1, GA1 (Pins 14, 16): Switch Gate Drivers. GA1 and GB1
drive the gates of the first back-to-back external N-channel
switches.
FU CTIO AL DIAGRA
6
U
U
U
TIMER
DIODE
GND
V
IN1
IN2
SW
U
V
GG
+
1
2
3
4
5
6
7
8
DRIVERS
GATE
U
TO
6 A
V +
W
REGULATOR
SWITCHING
V
GG
900k
SAB1 (Pin 15): Source Return. The SAB1 pin is connected
to the sources of SW A1 and SW B1. A small pull-down
current source returns this node to 0V when the switches
are turned off.
1.16V
CURRENT
INRUSH
SENSE
+
–
S
R
SW A1/B1
SW A2/B2
DRIVERS
DRIVERS
LATCH
GATE
GATE
1473 FD
16
15
14
13
12
11
10
9
SAB1
GB1
SENSE
GA2
SAB2
GB2
GA1
SENSE
+
–