LTC4053-4.2_15 Datasheet, PDF (2/16 Pages) Linear Technology – USB Compatible Lithium-Ion Battery Charger with Thermal Regulation

LTC4053-4.2
ABSOLUTE AXI U RATI GS (Note 1)
Input Supply Voltage (V_CC) ....................................... 7V
BAT ........................................................................... 7V
NTC, SHDN, TIMER, PROG ............ –0.3V to V_CC + 0.3V
CHRG, FAULT, ACPR .................................. –0.3V to 7V
BAT Short-Circuit Duration .......................... Continuous
BAT Current (Note 2) ............................................. 1.3A
PROG Current (Note 2) ....................................... 1.3mA
UW U
PACKAGE/ORDER I FOR ATIO
TOP VIEW
CHRG 1
V_CC 2
FAULT 3
TIMER 4
GND 5
10 ACPR
9 BAT
11
8 SHDN
7 PROG
6 NTC
ORDER PART
NUMBER
LTC4053EDD-4.2
DD PACKAGE
10-LEAD (3mm × 3mm) PLASTIC DFN
T_JMAX = 125°C, θ_JA = 40°C/W (NOTE 4)
EXPOSED PAD (PIN 11) IS GND
(MUST BE SOLDERED TO PCB)
DD PART MARKING
LBQC
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking: http://www.linear.com/leadfree/
Consult LTC Marketing for parts specified with wider operating temperature ranges.
Junction Temperature .......................................... 125°C
Operating Temperature Range (Note 3) ...–40°C to 85°C
Storage Temperature Range
MSE .................................................. – 65°C to 150°C
DD .................................................... – 65°C to 125°C
Lead Temperature (Soldering, 10 sec)
MSE .................................................................. 300°C
CHRG 1
V_CC 2
FAULT 3
TIMER 4
GND 5
TOP VIEW
11
10 ACPR
9 BAT
8 SHDN
7 PROG
6 NTC
MSE EXPOSED PAD PACKAGE
10-LEAD PLASTIC MSOP
T_JMAX = 125°C, θ_JA = 40°C/W (NOTE 4)
EXPOSED PAD (PIN 11) IS GND
(MUST BE SOLDERED TO PCB)
ORDER PART
NUMBER
LTC4053EMSE-4.2
MSE PART MARKING
LTZT
ELECTRICAL CHARACTERISTICS The ● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T_A = 25°C. V_CC = 5V
SYMBOL
V_CC
I_CC
V_BAT
I_BAT
I_TRIKL
V_TRIKL
∆V_TRIKL
V_UV
∆V_UV
V_MSD
V_ASD
PARAMETER
CONDITIONS
MIN TYP MAX UNITS
V_CC Supply Voltage
V_CC Supply Current
V_BAT Regulated Float Voltage
Battery Pin Current
Trickle Charge Current
Trickle Charge Trip Threshold
Trickle Charge Trip Hysteresis
● 4.25
6.5
V
Charger On; Current Mode; R_PROG = 30k (Note 5) ●
Shutdown Mode; V_SHDN = 0V
●
Sleep Mode V_CC < V_BAT or V_CC ≤ 4V
●
1
2
mA
25
50
µA
25
50
µA
● 4.158 4.2 4.242
V
R_PROG = 3k; Current Mode
● 465
500
535
mA
R_PROG = 15k; Current Mode
● 93
100 107
mA
Shutdown Mode; V_SHDN = 0V
±1
±3
µA
Sleep Mode V_CC < V_BAT or V_CC < (V_UV – ∆V_UV)
±1
±3
µA
V_BAT < 2V; R_PROG = 3k
● 35
50
65
mA
V_BAT Rising
2.48
V
100
mV
V_CC Undervoltage Lockout Voltage
V_CC Undervoltage Lockout Hysteresis
Manual Shutdown Threshold Voltage
V_CC Rising
SHDN Pin Voltage
●
4
4.25
V
200
mV
0.6
1.3
V
Automatic Shutdown Threshold Voltage (V_CC - V_BAT) High to Low
(V_CC - V_BAT) Low to High
35
mV
70
mV
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