LTC2923CDE#PBF Linear Technology, LTC2923CDE#PBF Datasheet - Page 2

• Manufacturer Part Number: LTC2923CDE#PBF
• Description: IC POWER SUPPLY CONTROLLER 12DFN
• Manufacturer: Linear Technology

Specifications of LTC2923CDE#PBF

• Applications: Power Supply Controller
• Voltage - Supply: 2.9 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 12-DFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Supply: -
• Voltage - Input: -
• Lead Free Status / Rohs Status: Compliant

ABSOLUTE AXI U RATI GS
PACKAGE/ORDER I FOR ATIO
Supply Voltage (V
Input Voltages
Output Voltages
Consult LTC Marketing for parts specified with wider operating temperature ranges.
ELECTRICAL CHARACTERISTICS
LTC2923
temperature range, otherwise specifications are at T
SYMBOL
V
I
V
∆V
∆V
I
V
∆V
2
CC
GATE
CC
CC(UVL)
ON(TH)
CC(UVLHYST)
GATE
ON(HYST)
ON ........................................................ – 0.3V to 10V
TRACK1, TRACK2 ...................... – 0.3V to V
RAMP ........................................... – 0.3V to V
FB1, FB2, SDO, STATUS ........................– 0.3V to 10V
RAMPBUF ................................. – 0.3V to V
GATE (Note 2) ................................... – 0.3V to 11.5V
RAMPBUF
TRACK1
TRACK2
V
ON
CC
T
JMAX
10-LEAD PLASTIC MSOP
1
2
3
4
5
PARAMETER
Input Supply Range
Input Supply Current
Input Supply Undervoltage Lockout
Input Supply Undervoltage Lockout Hysteresis
External N-Channel Gate Drive (V
GATE Pin Current
ON Pin Threshold Voltage
ON Pin Hysteresis
= 125°C, θ
MS PACKAGE
TOP VIEW
CC
W
) ................................ – 0.3V to 10V
JA
= 120°C/W
10
9
8
7
6
W W
RAMP
GATE
FB1
FB2
GND
U
GATE
W
ORDER PART
LTC2923CMS
LTC2923IMS
– V
MARKING
MS PART
U
NUMBER
CC
LTAED
LTAEE
A
)
CC
CC
= 25°C. 2.9V < V
CC
+ 0.3V
+ 0.3V
The
+ 1V
U
(Note 1)
CONDITIONS
I
I
I
V
I
Gate On, V
Gate Off, V
Gate Off, V
Short-Circuit Fault
V
FBx
FBx
RAMPBUF
GATE
CC
ON
●
= 0, I
= –1mA, I
Rising
Rising
denotes the specifications which apply over the full operating
= –1µA
TRACKx
= –2mA
EXPOSED PAD (PIN 13) INTERNALLY CONNECTED TO GND
Average Current
Operating Temperature Range
Storage Temperature Range ................ – 65°C to 150°C
Lead Temperature (Soldering, 10 sec)
GATE
GATE
GATE
CC
RAMPBUF
TRACK1, TRACK2 .............................................. 5mA
FB1, FB2 ............................................................ 5mA
RAMPBUF ......................................................... 5mA
LTC2923C ............................................... 0°C to 70°C
LTC2923I ............................................ – 40°C to 85°C
MS Package .................................................... 300°C
TRACKx
< 5.5V unless otherwise noted (Note 3).
TRACK1
TRACK2
= 0V, No Faults
= 5V, No Faults
= 5V,
= 0
12-LEAD (4mm × 3mm) PLASTIC DFN
GND
V
ON
CC
(PCB CONNECTION OPTIONAL)
= –1mA,
T
JMAX
1
2
3
4
5
6
DE12 PACKAGE
= 125°C, θ
TOP VIEW
13
JA
= 43°C/W
●
●
●
●
●
●
●
●
●
●
12
11
10
9
8
7
RAMP
GATE
STATUS
SDO
FB1
FB2
1.212
MIN
2.9
2.2
–7
30
5
5
7
5
1.230
TYP
–10
1.3
2.5
5.5
25
75
7
10
20
ORDER PART
LTC2923CDE
LTC2923IDE
MARKING
1.248
NUMBER
DE PART
MAX
–13
150
5.5
2.7
10
3
6
13
50
2923
UNITS
2923fa
mA
mA
mV
mA
mV
µA
µA
V
V
V
V