ltc4077 Linear Technology Corporation, ltc4077 Datasheet - Page 2

• Manufacturer Part Number: ltc4077
• Description: Dual Input Standalone Li-ion Battery Charger
• Manufacturer: Linear Technology Corporation

ABSOLUTE AXI U RATI GS
LTC4077
(Notes 1, 9)
Input Supply Voltage (DCIN, USBIN) ......... –0.3V to 10V
 E  N ,  C  H  R  G ,  P  W  R , HPWR ............................ –0.3V to 10V
BAT, IDC, IUSB, IUSBL ................................. –0.3V to 7V
DCIN Pin Current (Note 6) ..........................................1A
USBIN Pin Current (Note 6) .................................700mA
BAT Pin Current (Note 6) ............................................1A
BAT Short-Circuit Duration ............................ Continuous
Maximum Junction Temperature .......................... 125
Operating Temperature Range (Note 2) .. –40
Storage Temperature Range .................. –65
ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifications are at T
SYMBOL
V
V
I
I
V
I
V
V
V
I
2
DCIN
USBIN
BAT
C/IO
DCIN
USBIN
FLOAT
IDC
IUSB
IUSBL
PARAMETER
Supply Voltage
Supply Voltage
DCIN Supply Current
USBIN Supply Current
Regulated Output (Float) Voltage
BAT Pin Current
IDC Pin Regulated Voltage
IUSB Pin Regulated Voltage
IUSBL Pin Regulated Voltage
Charge Current Termination Threshold
W
W W
U
°
C to 125
A
°
CONDITIONS
Charge Mode (Note 4), R
Standby Mode; Charge Terminated
Shutdown Mode (EN = 5V)
Charge Mode (Note 5), R
V
Standby Mode; Charge Terminated, V
Shutdown (V
V
I
I
R
R
R
R
Standby Mode, Charge Terminated
Shutdown Mode (Charger Disabled)
Sleep Mode (V
Constant-Current Mode
Constant-Current Mode
Constant-Current Mode
V
V
C to 85
BAT
BAT
= 25°C. V
DCIN
DCIN
DCIN
USBIN
IDC
IUSB
IDC
IUSBL
= 1mA (Note 9)
= 1mA, 0°C < T
= 1.25k, Constant-Current Mode
= 10k or R
= 0V
> V
= 2.1k, Constant-Current Mode
= 5V, R
The
= 4k, HPWR = 0
= 5V, V
USBIN
°
°
°
●
C
C
C
DCIN
DCIN
IDC
denotes the specifications which apply over the full operating
DCIN
DCIN
IUSB
= 1.25k (Note 7)
= 5V, V
= 0V, EN = 5V)
PACKAGE/ORDER I FOR ATIO
Consult LTC Marketing for parts specified with wider operating temperature ranges.
= 0V
= 0V, V
A
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking:
= 10k
< 85°C, 4.3V < V
ORDER PART NUMBER
IDC
IUSB
USBIN
USBIN
= 10k
LTC4077EDD
= R
EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB
= 5V, HPWR = 5V unless otherwise noted.
= 0V)
IUSBL
DCIN
CC
= 10k,
USBIN
IUSBL
CHRG
IUSB
PWR
10-LEAD (3mm 3mm) PLASTIC DFN
T
< 8V
= 0V
JMAX
http://www.linear.com/leadfree/
= 125°C, θ
1
2
3
4
5
●
●
●
●
●
●
●
●
●
●
●
●
DD PACKAGE
TOP VIEW
JA
11
4.175
4.158
0.95
0.95
0.18
0.09
0.09
MIN
760
450
= 40°C/W (NOTE 3)
4.3
4.3
92
44
U
DD PART MARKING
10
9
8
7
6
TYP
150
150
800
476
100
4.2
4.2
0.2
0.1
0.1
DCIN
BAT
IDC
HPWR
EN
50
20
50
18
10
50
–3
–1
±1
1
1
LBWD
W
4.225
4.242
MAX
1.05
1.05
0.22
0.11
0.11
700
100
700
100
840
500
108
–6
–2
40
36
20
56
±2
8
8
mA/mA
mA/mA
UNITS
4077fa
U
mA
mA
mA
mA
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
V
V
V
V
V
V
V