LTC1751EMS8 Linear Technology, LTC1751EMS8 Datasheet - Page 2

• Manufacturer Part Number: LTC1751EMS8
• Description: IC SW CAP/DBLR ADJ .125A 8MSOP
• Manufacturer: Linear Technology
• Type: Switched Capacitor (Charge Pump), Doublerr

Specifications of LTC1751EMS8

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: Adjustable
• Current - Output: 125mA
• Frequency - Switching: 800kHz
• Voltage - Input: 2.5 ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -

ABSOLUTE AXI U RATI GS
LTC1751/LTC1751-3.3/LTC1751-5
temperature range, otherwise specifications are at T
SYMBOL
LTC1751-3.3
V
V
I
V
LTC1751-5
V
V
I
V
LTC1751
V
I
V
I
R
(Note 1)
V
PGOOD, FB, V
SS, SHDN to GND ........................ – 0.3V to (V
V
I
Operating Temperature Range (Note 3) .. – 40 C to 85 C
Storage Temperature Range ................ – 65 C to 150 C
Lead Temperature (Soldering, 10 sec)................. 300 C
ELECTRICAL CHARACTERISTICS
2
CC
CC
CC
FB
OUT
IN
OUT
R
IN
OUT
R
IN
FB
OUT
IN
OUT
to GND .................................................. – 0.3V to 6V
(Note 2)....................................................... 125mA
Short-Circuit Duration ............................. Indefinite
PARAMETER
Input Supply Voltage
Output Voltage
Operating Supply Current
Output Ripple
Efficiency
Input Supply Voltage
Output Voltage
Operating Supply Current
Output Ripple
Efficiency
Input Supply Voltage
Operating Supply Current
FB Regulation Voltage
FB Input Current
Open-Loop Charge Pump Strength
OUT
W
to GND ........................... – 0.3V to 6V
W W
CONDITIONS
2V V
2.5V V
2V V
V
V
2.7V V
3V V
2.7V V
V
V
2V V
2V V
V
V
V
IN
IN
IN
IN
FB
IN
IN
= 2.5V, I
= 2V, I
= 3V, I
= 3V, I
= 2V, V
= 2.7V, V
U
= 1.3V
A
IN
IN
IN
IN
IN
IN
= 25 C. C
IN
IN
IN
OUT
OUT
OUT
+ 0.3V)
4.4V, I
4.4V, I
5.5V, I
5.5V, I
5.5V, I
OUT
OUT
OUT
4.4V, I
5.5V, I
5.5V, I
The
= 40mA
= 50mA
= 50mA
= 3.3V (Note 5)
= 40mA
= 5V (Note 5)
OUT
OUT
OUT
OUT
OUT
FLY
OUT
OUT
OUT
denotes specifications which apply over the full specified
= 0mA, SHDN = V
= 0mA, SHDN = V
= 1 F, C
= 0mA, SHDN = V
40mA
100mA
20mA
PACKAGE/ORDER I FOR ATIO
Consult factory for parts specified with wider operating temperature ranges.
80mA
50mA
FB/PGOOD*
*PGOOD ON LTC1751-3.3/LTC1751-5
IN
T
JMAX
= 10 F, C
V
GND
OUT
V
IN
= 150 C,
8-LEAD PLASTIC MSOP
IN
IN
FB ON LTC1751
1
2
3
4
IN
(Note 4 )
MS8 PACKAGE
TOP VIEW
OUT
JA
= 160 C/W
= 10 F unless otherwise noted.
8
7
6
5
SS
SHDN
C
C
+
–
1.157
3.17
3.17
MIN
– 50
2.7
4.8
4.8
2
2
U
MS8 PART MARKING
1.205
LTC1751EMS8
LTC1751EMS8-3.3
LTC1751EMS8-5
TYP
3.3
3.3
8.5
6.0
18
68
80
20
75
82
16
5
5
ORDER PART
NUMBER
W
LTKN
LTKL
LTKP
1.253
MAX
3.43
3.43
4.4
5.5
5.2
5.2
5.5
40
50
40
50
20
12
UNITS
mV
mV
U
P-P
P-P
nA
%
%
V
V
V
A
V
V
V
A
V
A
V