LTC1698ES Linear Technology, LTC1698ES Datasheet - Page 2

• Manufacturer Part Number: LTC1698ES
• Description: IC PREC RECT CONTROLLER 16-SOIC
• Manufacturer: Linear Technology

Specifications of LTC1698ES

• Pwm Type: Current Mode
• Number Of Outputs: 1
• Frequency - Max: 400kHz
• Voltage - Supply: 6 V ~ 12.6 V
• Buck: Yes
• Boost: No
• Flyback: No
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: Yes
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 16-SOIC (3.9mm Width)
• Frequency-max: 400kHz
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Duty Cycle: -

ABSOLUTE
ELECTRICAL CHARACTERISTICS
LTC1698
(Note 1)
V
Input Voltage
Output Voltage
Power Dissipation .............................................. 500mW
Operating Temperature Range
Storage Temperature Range ................. – 65 C to 150 C
Lead Temperature (Soldering, 10 sec).................. 300 C
temperature range, otherwise specifications are at T
SYMBOL
V
V
I
MARGIN and Error Amplifier
V
I
V
R
G
BW
V
I
OPTODRV
G
BW
V
I
2
VDD
VFB
VCOMP
OPTOSC
DD
UVLO
FB
MARGIN
CLAMP
OPTOHIGH
MARGIN
V
ERR
OPTO
DD
FB
ERR
OPTO
MARGIN, V
SYNC ..................................................... – 14V to 14V
V
LTC1698E (Note 3) ............................ – 40 C to 85 C
LTC1698I ........................................... – 40 C to 85 C
, PWRGD ....................................................... 13.2V
COMP
, I
PARAMETER
Supply Voltage
Undervoltage Lockout
V
Feedback Voltage
Feedback Input Current
MARGIN Voltage
MARGIN Input Resistance
Feedback Voltage Adjustment
Error Amplifier Open-Loop DC Gain
Error Amplifier Unity-Gain Bandwidth
Error Amplifier Output Clamp Voltage
Error Amplifier Source Current
Error Amplifier Sink Current
Opto Driver DC Gain
Opto Driver Unity-Gain Bandwidth
Opto Driver Output High Voltage
Opto Driver Output Short-Circuit Current
COMP
DD
Supply Current
FB
, OVPIN, I
(Note 2) ......................... – 0.3V to 5.3V
W
MAXIMUM
SNSGND
W W
, I
SNS
RATINGS
... – 0.3V to 5.3V
CONDITIONS
V
C
V
f
MARGIN = Open, V
V
MARGIN = Open
V
V
V
No Load (Note 6)
V
V
V
OVPIN, V
No Load (Note 6)
V
I
OVPIN, V
SYNC
OPTODRV
U
FB
FG
SYNC
FB
MARGIN
MARGIN
COMP
FB
FB
FB
FB
A
, OVPIN, V
, OVPIN, V
= C
= 1.233V
= 0V
= 0V
= 5V, V
= 25 C. V
= 100kHz (Note 5)
= 0V
= 0.8V to 1.2V, Load = 2k , 100pF
CG
= 3.3V
= 0V
ISNS
ISNSGND
= –10mA
The
= 1000pF, C
COMP
, V
ISNS
ISNSGND
DD
ISNSGND
= 1.233V
, V
indicates specifications which apply over the full operating
, V
COMP
= 8V, unless otherwise noted. (Note 4)
ISNS
ISNSGND
PACKAGE/ORDER
= 0V, V
VAUX
Consult LTC Marketing for parts specified with wider operating temperature ranges.
= 0V
= 0V, V
= 1V (Note 7)
OPTODRV
16-LEAD PLASTIC SSOP
MARGIN
= 0.1 F,
V
= 0V,
PGND
ISNS
COMP
GN PACKAGE
GND
V
V
T
T
FB
CG
DD
FB
JMAX
JMAX
= – 50mV,
= 1.233V
= 125 C,
1
2
3
4
5
6
7
8
= 125 C,
TOP VIEW
JA
JA
= 130 C/W (GN)
16-LEAD PLASTIC SO
= 110 C/W (SO)
S PACKAGE
16
15
14
13
12
11
10
9
FG
SYNC
V
I
I
I
PWRGD
OVPIN
COMP
SNS
SNSGND
AUX
1.223
1.215
4.75
MIN
– 50
– 6
65
6
4
3
4
INFORMATION
U
GN PART MARKING
1.233
1.233
0.05
1.65
16.5
TYP
– 25
– 25
1.8
5.0
– 5
90
8
4
5
2
2
7
5
1
5
ORDER PART
LTC1698EGN
LTC1698ES
LTC1698IGN
LTC1698IS
W
NUMBER
1698
1698I
1.243
1.251
MAX
12.6
5.25
– 10
– 10
– 4
4
1
6
UNITS
U
MHz
MHz
1698f
V/V
mA
mA
mA
mA
mA
k
dB
%
%
V
V
V
V
A
V
V
V