LTC4253ACUF-ADJ#TR Linear Technology, LTC4253ACUF-ADJ#TR Datasheet - Page 2

• Manufacturer Part Number: LTC4253ACUF-ADJ#TR
• Description: IC,Power Control/Management,CMOS,LLCC,20PIN,PLASTIC
• Manufacturer: Linear Technology

Specifications of LTC4253ACUF-ADJ#TR

• Family Name: LTC4253A-ADJ
• Package Type: QFN EP
• Operating Temperature (min): 0C
• Operating Temperature (max): 70C
• Operating Temperature Classification: Commercial
• Product Depth (mm): 4mm
• Product Length (mm): 4mm
• Mounting: Surface Mount
• Pin Count: 20
• Lead Free Status / Rohs Status: Not Compliant

ABSOLUTE AXI U RATI GS
PACKAGE/ORDER I FOR ATIO
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
LTC4253A-ADJ
Current into V
Current into DRAIN (100µs Pulse) ........................ 20mA
V
Input/Output (Except SENSE
and DRAIN) Voltage ...................................– 0.3V to 16V
SENSE Voltage ..........................................– 0.6V to 16V
Current Out of SENSE (20µs Pulse) .................. – 200mA
Maximum Junction Temperature .......................... 125°C
temperature range, otherwise specifications are at T
SYMBOL
V
R
I
V
V
V
V
V
I
I
2
ELECTRICAL CHARACTERISTICS
IN
RESET
EN
Order Options Tape and Reel: Add #TR, Lead Free: Add #PBF, Lead Free Tape and Reel: Add #TRPBF, Lead Free Part Marking:
Z
LKO
LKH
IH
IL
HYST
Z
IN
PWRGD2
PWRGD1
, DRAIN Minimum Voltage............................... – 0.3V
RESET
SENSE
EN2
SEL
V
V
V
SS
EE
EE
IN
T
JMAX
20-LEAD PLASTIC SSOP
10
1
2
3
4
5
6
7
8
9
PARAMETER
V
V
V
V
V
TTL Input High Voltage
TTL Input Low Voltage
TTL Input Buffer Hysteresis
RESET Input Current
EN2, EN3 Input Current
= 125°C, θ
IN
IN
IN
IN
IN
GN PACKAGE
Undervoltage Lockout
Undervoltage Lockout Hysteresis
TOP VIEW
– V
– V
Supply Current
IN
EE
EE
(100µs Pulse) ........................... 100mA
W
JA
Zener Voltage
Zener Dynamic Impedance
= 95°C/W
20
19
18
17
16
15
14
13
12
11
PWRGD3
EN3
SQTIMER
TIMER
UVL
UV
OVL
OV
DRAIN
GATE
W W
U
LTC4253ACGN-ADJ
LTC4253AIGN-ADJ
ORDER PART
NUMBER
W
U
CONDITIONS
I
I
UV = UVL = OV = OVL = 4V, V
Coming Out of UVLO (Rising V
V
V
V
IN
IN
A
EE
EN
EN
= 25°C. (Note 2)
= 2mA
= (2mA to 30mA)
≤ V
= 4V (Sinking)
= 0V
RESET
The
U
(Note 1) All voltages referred to V
●
≤ V
denotes the specifications which apply over the full operating
EXPOSED PAD (PIN 21) IS V
IN
SENSE
RESET
Operating Temperature Range
Storage Temperature Range
Lead Temperature (Soldering, 10 sec)
SEL
V
SS
IN
LTC4253A-ADJC ..................................... 0°C to 70°C
LTC4253A-ADJI .................................. – 40°C to 85°C
SSOP ................................................ – 65°C to 150°C
QFN .................................................. – 65°C to 125°C
SSOP ................................................................ 300°C
20-LEAD (4mm × 4mm) PLASTIC QFN
1
2
3
4
5
T
JMAX
IN
IN
= (V
)
20 19 18 17 16
6
= 125°C, θ
UF PACKAGE
TOP VIEW
Z
7
– 0.3V)
EE
21
8
MUST BE SOLDERED TO PCB
JA
9 10
= 37°C/W
EE
15
14
13
12
11
SQTIMER
TIMER
UVL
UV
OVL
●
●
●
●
●
●
●
●
●
11.5
0.25
MIN
http://www.linear.com/leadfree/
60
2
LTC4253ACUF-ADJ
LTC4253AIUF-ADJ
ORDER PART
±0.1
±0.1
TYP
600
120
1.1
0.5
13
MARKING*
5
9
NUMBER
UF PART
253AJ
MAX
14.5
0.75
±10
±10
180
0.8
10
2
4253a-adjf
UNITS
mA
mV
µA
µA
µA
Ω
V
V
V
V
V