LTC3836 LINER [Linear Technology], LTC3836 Datasheet - Page 2

• Manufacturer Part Number: LTC3836
• Description: Dual 2-Phase, No RSENSETM Low VIN Synchronous Controller
• Manufacturer: LINER [Linear Technology]

ABSOLUTE MAXIMUM RATINGS
LTC3836
BOOST1, BOOST2 Voltages ....................... –0.3V to 10V
Input Supply Voltage (V
PLLLPF , RUN/SS, SYNC/FCB,
SENSE1
IPRG1, IPRG2 Voltages ..................–0.3V to (V
V
TRACK/SS2 Voltages ................................ –0.3V to 2.4V
PIN CONFIGURATION
ORDER INFORMATION
LEAD FREE FINISH
LTC3836EGN#PBF
LTC3836EUFD#PBF
Consult LTC Marketing for parts specifi ed with wider operating temperature ranges.
Consult LTC Marketing for information on non-standard lead based fi nish parts.
For more information on lead free part marking, go to:
For more information on tape and reel specifi cations, go to:
temperature range, otherwise specifi cations are at T
PARAMETER
Main Control Loops
Input DC Supply Current
2
ELECTRICAL CHARACTERISTICS
FB1
Normal Mode
Shutdown
UVLO
, V
FB2
+
, SENSE2
, I
TH1
TRACK/SS2
, I
PLLLPF
PGOOD
IPRG1
IPRG2
SGND
SW1
V
V
SW2
TH2
I
I
N/C
TH1
TH2
FB1
V
FB2
+
IN
,
T
,
JMAX
28-LEAD PLASTIC SSOP
10
11
12
13
14
1
2
3
4
5
6
7
8
9
TAPE AND REEL
LTC3836EGN#TRPBF
LTC3836EUFD#TRPBF
IN
= 125°C, θ
GN PACKAGE
) ........................ –0.3V to 4.5V
TOP VIEW
JA
= 90°C/W
28
27
26
25
24
23
22
21
20
19
18
17
16
15
SENSE1
BOOST1
PGND
BG1
SYNC/FCB
TG1
PGND
TG2
RUN/SS
BG2
N/C
PGND
BOOST2
SENSE2
CONDITIONS
(Note 4)
RUN/SS = V
RUN/SS = 0V
V
IN
http://www.linear.com/leadfree/
= UVLO Threshold –200mV
+
+
PART MARKING
LTC3836EGN
3836
http://www.linear.com/tapeandreel/
A
IN
= 25°C. V
IN
+ 0.3V)
The
(Note 1)
l
IN
denotes the specifi cations which apply over the full operating
= 3.3V unless otherwise specifi ed.
SW1, SW2 Voltages ............................... –2V to V
PGOOD ....................................................... –0.3V to 10V
Operating Temperature Range (Note 2).... –40°C to 85°C
Storage Temperature Range ................... –65°C to 125°C
Junction Temperature (Note 3) ............................. 125°C
PACKAGE DESCRIPTION
28-Lead Plastic SSOP
28-Lead (4mm × 5mm) Plastic QFN
EXPOSED PAD (PIN 29) IS GND, MUST BE SOLDERED TO PCB
TRACK/SS2
PLLLPF
IPRG2
SGND
VFB1
VFB2
ITH1
V
28-LEAD (4mm × 5mm) PLASTIC QFN
IN
1
2
3
4
5
6
7
8
T
28 27 26
JMAX
9 10
UFD PACKAGE
= 125°C, θ
TOP VIEW
11 12 13
29
MIN
25 24
JA
= 43°C/W
23
14
22
21
20
19
18
17
16
15
TYP
450
TEMPERATURE RANGE
–40°C to 85°C
–40°C to 85°C
6.5
4
BG1
SYNC/FCB
TG1
PGND
TG2
RUN/SS
N/C
BG2
MAX
700
15
10
IN
UNITS
+ 1V
3836fa
μA
μA
μA