LTC3816IFE#TRPBF Linear Technology, LTC3816IFE#TRPBF Datasheet - Page 7

• Manufacturer Part Number: LTC3816IFE#TRPBF
• Description: IC CONTROLLER S-PHASE 38TSSOP
• Manufacturer: Linear Technology

Specifications of LTC3816IFE#TRPBF

• Applications: Controller, Intel IMVP-6, IMVP-6.5™
• Voltage - Input: 4.5 ~ 36 V
• Number Of Outputs: 1
• Voltage - Output: 0.0125 ~ 1.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 38-TSSOP Exposed Pad, 38-eTSSOP, 38-HTSSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Typical perForMance characTerisTics
∆t = 24.6ns
V
20mV/DIV
ZOOM IN
20ns/DIV
V
V
CC(CORE)
TG
TG
2V/DIV
5V/DIV
1V/DIV
-V
-V
V
SW
SW
BG
–100
–10
–20
–30
–40
–50
–60
–70
–80
–90
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
Narrow TG Pulse Width with Low
V
V
V
f
FORCED CONTINUOUS MODE
0
OSC
0
IN
CC(CORE)
–50
CC(CORE)
–50
Load Regulation vs Temperature
V
= 28V
V
V
R
L = VISHAY IHLP5050CE01 0.33µH
= 400kHz
V
V
L = VISHAY IHLP5050CE01 0.33µH
IMON
IN
EXTVCC
PREIMON
IN
EXTVCC
–25
= 12V, f
–25
= 12V, f
= 0.5V (I
vs Temperature
= 0V, AVP = –3mV/A
Ripple
= 0V, AVP = –3mV/A
= 5.1k, R
OSC
0
0
OSC
TEMPERATURE (°C)
TEMPERATURE (°C)
10A LOAD
20µs/DIV
5A LOAD
LOAD
= 400kHz
= 400kHz
25
25
IMON
= 0.5A)
10A LOAD
20A LOAD
5A LOAD
50
50
= 21k
75
75
20A LOAD
3816 G13
100
100
3816 G09
3816 G11
125
125
V
20mV/DIV
V
CC(CORE)
TG
2V/DIV
5V/DIV
-V
V
PTC CONFIGURATION (FIGURE 12)
R
R
NTC CONFIGURATION,
LAST PAGE CIRCUIT
NO TEMPERATURE COMPENSATION
LAST PAGE CIRCUIT, REPLACE NTC
WITH 10k RESISTOR
IDEAL VALUE
PTC CONFIGURATION (FIGURE 12)
R
R
NTC CONFIGURATION,
LAST PAGE CIRCUIT
NO TEMPERATURE COMPENSATION
LAST PAGE CIRCUIT, REPLACE NTC
WITH 10k RESISTOR
IDEAL VALUE
SW
BG
LPTC
VDCRP
LPTC
VDCRP
Pulse-Skipping Mode at No Load
with Low V
V
V
f
PULSE-SKIPPING MODE
OSC
IN
CC(CORE)
= VISHAY TFPT1206L1002FV
= VISHAY TFPT1206L1002FV
= 23.2k, C
= 23.2k, C
= 12V
= 400kHz
= 0.75V, NO LOAD
VDCRP
VDCRP
CC(CORE)
100µs/DIV
= 10nF
= 10nF
Ripple
3816 G14
V
50mV/DIV
CURRENT
CC(CORE)
20A/DIV
0.7490
0.7520
0.7515
0.7510
0.7505
0.7500
0.7495
0.7485
0.7480
LOAD
Line Regulation
V
20mV/DIV
0
Load Step in Forced Continuous
Mode
V
V
V
f
FORCED CONTINUOUS MODE
AVP SLOPE = –3mV/A
CC(CORE)
OSC
f
FORCED CONTINUOUS MODE
NO LOAD
LAST PAGE CIRCUIT
IN
CC(CORE)
TG
OSC
2V/DIV
5V/DIV
-V
= 12V
V
= 400kHz
4
SW
= 400kHz, V
BG
Pulse-Skipping Mode
at 0.2A Load
V
V
f
PULSE-SKIPPING MODE
= 0.75V
OSC
IN
CC(CORE)
8
= 12V
= 400kHz
EXTVCC
20µs/DIV
12
V
= 0.75V (I
IN
(V)
= 0V
16
5µs/DIV
LTC3816
LOAD
20
= 0.2A)
24
3816 G10
3816 G12
28

3816 G15
3816f