LTC1706CS8-19 Linear Technology, LTC1706CS8-19 Datasheet

IC VID VOLTAGE PROGRAMMER 8SOIC

LTC1706CS8-19

Manufacturer Part Number
LTC1706CS8-19
Description
IC VID VOLTAGE PROGRAMMER 8SOIC
Manufacturer
Linear Technology
Datasheet

Specifications of LTC1706CS8-19

Applications
VID Voltage Programmer
Voltage - Supply
2.7 V ~ 5.5 V
Current - Supply
0.1µA
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
8-SOIC (3.9mm Width)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Voltage - Input
-

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
LTC1706CS8-19
Manufacturer:
LINEAR/凌特
Quantity:
20 000
APPLICATIONS
FEATURES
TYPICAL APPLICATIO
220pF
*CMDSH-3
C
C2
Programs Regulator Output Voltage from 1.3V to
2V in 50mV Steps
Programs an Entire Family of Linear Technology
DC/DC Converters
Fully Compliant with the Intel Mobile VID
Specification
Built-In 40k Pull-Up Resistors on VID Inputs
Available in SO-8 Packaging
Intel Mobile Pentium
Notebook and Palmtop Computers, PDAs
Portable Instruments
Battery-Powered Equipment
0.25% Accurate Output Voltage
0.1 F
C
SS
1000pF
50pF
C
10k
C
R
C
C
47pF
OSC
1
2
3
5
6
U
C
RUN/SS
I
SGND
V
TH
OSC
OSENSE
SENSE
7
®
LTC1435A
1000pF
II Processor Power Supply
SENSE
INTV
BOOST
PGND
8
V
SW
BG
TG
+
CC
U
IN
13
16
14
12
15
11
10
Intel Mobile Pentium II Processor Power Supply
+
4.7 F
C
0.1 F
F
4.7
R
*D
F
B
0.22 F
4.5V TO 22V
V
IN
M1
Si4410
M2
Si4410
DESCRIPTIO
3.3 H
The LTC
resistive ladder which adjusts the output of any 1.19V
referenced regulator. Depending on the state of the four
VID inputs, an output voltage between 1.3V and 2V is
programmed in 50mV increments.
The LTC1706-19 is designed specifically to program an
entire family of Linear Technology DC/DC converters in full
compliance with the Intel Mobile VID specification.
The LTC1706-19 programs the following Linear Technol-
ogy DC/DC converter products: LTC1433, LTC1434,
LTC1435, LTC1435A, LTC1436, LTC1437, LTC1438,
LTC1439, LTC1538-AUX, LTC1539, LTC1624 and
LTC1625. (Consult factory for future compatible DC/DC
converter products.)
Pentium is a registered trademark of Intel Corporation.
+
L1
, LTC and LT are registered trademarks of Linear Technology Corporation.
VID Voltage Programmer
D1
MBRS140T3
C
10 F
30V
X2
IN
®
1706-19 is a precision, digitally programmed,
R
0.015
SENSE
U
V
FB
CC
0 1 2
FROM P
VID
LTC1706-19
3
LTC1706-19
SENSE
GND
+
C
820 F
4V
X2
OUT
V
1.3V TO 2V
7A
OUT
1706-19 TA01
1

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LTC1706CS8-19 Summary of contents

Page 1

... DC/DC converter products: LTC1433, LTC1434, LTC1435, LTC1435A, LTC1436, LTC1437, LTC1438, LTC1439, LTC1538-AUX, LTC1539, LTC1624 and LTC1625. (Consult factory for future compatible DC/DC converter products.) , LTC and LT are registered trademarks of Linear Technology Corporation. Pentium is a registered trademark of Intel Corporation. Intel Mobile Pentium II Processor Power Supply ...

Page 2

... CC Note 3: Each built-in pull-up resistor attached to the VID inputs also has a series diode connected to V supply without damage or clamping. (See Operation section for further supply current is simply detail ORDER PART NUMBER 8 VID1 LTC1706CS8-19 7 VID0 LTC1706IS8-19 6 SENSE PART MARKING = 120 C/W JA 170619 ...

Page 3

W U TYPICAL PERFOR A CE CHARACTERISTICS Typical Error % vs Output Voltage 0.25 0 –0.25 1.3 1.5 1.7 OUTPUT VOLTAGE ( Temperature FB1 – TEMPERATURE ( C) Supply Current vs Temperature ...

Page 4

LTC1706- CTIO S VID2 (Pin 1): 2nd MSB Programming Input. Low = GND, High = V or Float. Grounding VID2 adds 200mV to the CC output sense voltage. VID3 (Pin 2): 1st MSB Programming Input. ...

Page 5

U OPERATIO The LTC1706- precision resistive divider designed specifically for use with an entire family of Linear Technol- ogy Corporation DC/DC switching regulators with 1.19V internal reference and feedback voltages. The LTC1706-19 produces an output voltage ranging from ...

Page 6

LTC1706-19 U OPERATIO VID Input Characteristics The VID inputs should be driven with a maximum V 0.4V and a minimum V of 1.6V. However, the VID input IH range is not limited to values below V diode between V and ...

Page 7

... How- Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen- tation that the interconnection of its circuits as described herein will not infringe on existing patent rights. ...

Page 8

... Monolithic Switching Regulator, Burst Mode Constant Off-Time Monolithic, Burst Mode Operation High Frequency, Small Inductor, High Efficiency 16-Pin Narrow SO and SSOP 24-Pin Narrow and 24-Pin SSOP Multiple Output Capability 5V Standby Regulator in Shutdown 170619f LT/TP 0299 4K • PRINTED IN USA LINEAR TECHNOLOGY CORPORATION 1999 Operation ...

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