LTC3723-2 Linear Technology, LTC3723-2 Datasheet - Page 2

• Manufacturer Part Number: LTC3723-2
• Description: Synchronous Push-Pull PWM Controllers
• Manufacturer: Linear Technology

ABSOLUTE AXI U RATI GS
PACKAGE/ORDER I FOR ATIO
LTC3723-1/LTC3723-2
V
UVLO to GND ............................................. – 0.3V to V
All Other Pins to GND
(Low Impedance Source) .........................– 0.3V to 5.5V
V
temperature range, otherwise specifications are at T
SYMBOL
Input Supply
V
V
I
I
V
R
SUVLO
SHYST
Pulse Width Modulator
ROS
I
Consult LTC Marketing for parts specified with wider operating temperature ranges.
2
ELECTRICAL CHARACTERISTICS
CCST
CCRN
RMP
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking:
CCUV
CCHY
SHUNT
SHUNT
CC
CC
ORDER PART NUMBER
to GND (Low Impedance Source) .......– 0.3V to 10V
(Current Fed) ................................................. 40mA
LTC3723EGN-1
PARAMETER
V
V
Start-Up Current
Operating Current
Shunt Regulator Voltage
Shunt Resistance
System UVLO Threshold
System UVLO Hysteresis Current
Ramp Offset Voltage
Ramp Discharge Current
CC
CC
Undervoltage Lockout
UVLO Hysteresis
SDRB
SDRA
DRVB
DRVA
V
GND
W
V
REF
CC
C
http://www.linear.com/leadfree/
T
T
JMAX
16-LEAD PLASTIC SSOP
1
2
3
4
5
6
7
8
= 125°C, θ
GN PACKAGE
(Chip Self-Regulates at 10.3V)
TOP VIEW
W W
JA
U
= 100°C/W
GN PART MARKING
16
15
14
13
12
11
10
9
SPRG
UVLO
SS
FB
R
COMP
CS
DPRG
LEB
37231
W
U
A
CONDITIONS
Measured on V
Measured on V
V
No Load on Outputs
Current into V
Current into V
Measured on UVLO Pin, 10mA into V
Current Flows Out of UVLO Pin, 10mA into V
Measured on COMP, RAMP = 0V
RAMP = 1V, COMP = 0V, C
CC
= 25°C. V
= V
The
UVLO
U
(Note 1)
CC
●
CC
– 0.3V
CC
CC
denotes the specifications which apply over the full operating
CC
CC
= 9.5V unless otherwise noted.
= 10mA
= 10mA to 17mA
V
Operating Temperature (Notes 5,6)
Storage Temperature Range ................. – 65°C to 125°C
Lead Temperature (Soldering, 10sec)................... 300°C
ORDER PART NUMBER
REF
LTC3723E ........................................... – 40°C to 85°C
LTC3723EGN-2
Output Current ............................... Self-Regulated
T
= 4V, 3723-1 Only
CC
SDRB
SDRA
DRVB
DRVA
V
GND
V
REF
C
CC
T
T
JMAX
CC
16-LEAD PLASTIC SSOP
1
2
3
4
5
6
7
8
= 125°C, θ
GN PACKAGE
●
TOP VIEW
MIN
JA
3.8
4.8
8.5
= 100°C/W
GN PART MARKING
16
15
14
13
12
11
10
www.DataSheet4U.com
9
10.25
SPRG
UVLO
SS
FB
DPRG
COMP
CS
RAMP
10.3
0.65
TYP
145
4.2
1.4
5.0
10
50
3
37232
MAX
10.7
10.8
11.5
230
3.5
5.2
8
UNITS
372312f
mA
mA
µA
µA
Ω
V
V
V
V
V