lt3750 Linear Technology Corporation, lt3750 Datasheet - Page 2

• Manufacturer Part Number: lt3750
• Description: Capacitor Charger Controller
• Manufacturer: Linear Technology Corporation

ABSOLUTE AXI U RATI GS
(Note 1)
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
LT3750
V
RBG ....................................................................... 1.5V
SOURCE ................................................................... 1V
Current into RDCM Pin ........................................ ±1mA
Current into RV
Current into DONE Pin ......................................... ±1mA
Operating Temperature Range (Note 2) .. – 40°C to 85°C
Storage Temperature Range ................ – 65°C to 150°C
temperature range, otherwise specifications are T
PARAMETER
Minimum V
Minimum V
V
V
CHARGE Pin Current
CHARGE Pin Enable Voltage
CHARGE Pin Disable Voltage
Minimum CHARGE Pin Low Time
V
V
RBG Pin Bias Current
DCM Comparator Trip Voltage
Current Limit Comparator Trip Voltage
DONE Output Signal High
DONE Output Signal Low
DONE Pin Leakage Current
NMOS Minimum On Time
GATE Rise Time
GATE High Voltage
GATE Turn Off Propagation Delay
ELECTRICAL CHARACTERISTICS
2
CC
TRANS
OUT
OUT
CC
Quiescent Current
, V
Comparator Trip Voltage
Comparator Overdrive
Quiescent Current
TRANS
CC
TRANS
, GATE, DONE, CHARGE ...................... 24V
OUT
W
Pin ........................................ ±1mA
W W
CONDITIONS
Not Switching, CHARGE = 5V
Not Switching, CHARGE = 0V
Not Switching, CHARGE = 5V
Not Switching, CHARGE = 0V
CHARGE = 24V
CHARGE = 5V
CHARGE = 0V
High→Low→High
Measured RBG Pin
1µs Pulse Width, Measured on RBG Pin
RBG = 1.2V
Measured as V
100kΩ to 5V
100kΩ to 5V
DONE = 2.5V
C
C
C
GATE
GATE
GATE
A
= 1nF, V
= 1nF, V
= 1nF
U
= 25°C. V
CC
CC
DRAIN
The
= 5V
= 24V
CC
– V
●
= V
denotes specifications which apply over the full operating
TRANS
TRANS
PACKAGE/ORDER I FOR ATIO
Note 2: The LT3750E is guaranteed to meet performance specifications
from 0°C to 70°C. Specifications over the –40°C to 85°C operating
temperature range are assured by design, characterization and correlation
with statistical process controls.
Note 3: Refer to Block Diagram for V
Consult LTC Marketing for parts specified with wider operating temperature ranges.
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking:
, R
ORDER PART NUMBER
DCM
= 5V unless otherwise specified.
= 43k (Note 3)
LT3750EMS
CHARGE
V
TRANS
DONE
GND
V
CC
T
http://www.linear.com/leadfree/
JMAX
10-LEAD PLASTIC MSOP
1
2
3
4
5
●
●
●
●
●
●
●
= 125°C, θ
MS PACKAGE
TOP VIEW
1.215
MIN
0.2
4.9
68
22
DRAIN
5
3
JA
= 120°C/ W
U
MS PART MARKING
definition.
10
9
8
7
6
0.87
1.24
22.6
TYP
140
100
2.8
2.5
0.6
0.1
0.6
3.8
1.6
24
19
30
70
36
78
50
5
RBG
RV
RDCM
GATE
SOURCE
LTBQD
OUT
W
1.265
MAX
23.5
250
500
2.5
1.1
0.2
0.2
4.5
20
80
88
3
3
1
1
1
UNITS
U
3750fa
mA
mV
mV
mV
µA
µA
µA
µA
µA
µA
nA
µA
µs
µs
ns
ns
V
V
V
V
V
V
V
V
V