LTC4012CUF-3#TRPBF Linear Technology, LTC4012CUF-3#TRPBF Datasheet - Page 7

• Manufacturer Part Number: LTC4012CUF-3#TRPBF
• Description: IC BATT CHRGR MC HI-EFF 20-QFN
• Manufacturer: Linear Technology

Specifications of LTC4012CUF-3#TRPBF

• Function: Charge Management
• Battery Type: Multi-Chemistry
• Voltage - Supply: 6 V ~ 28 V
• Operating Temperature: 0°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 20-WFQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Typical perForMance characTerisTics
(T
A
= 25°C unless otherwise noted. L = IHLP-2525 6.8µH)
600
500
400
300
200
100
25
20
15
10
0
0
5
PWM Frequency vs Duty Cycle
Battery Shutdown Current
0
0
DC1256-CLASS
APPLICATION
DCIN = 0V
20
5
BATTERY VOLTAGE (V)
DUTY CYCLE (%)
LTC4012-3,
ALL PINS
DCIN = 0V
40
10
LTC4012-3,
BAT PINS
DCIN = 20V
15
60
CLP = 6V
CLP = 12V
CLP = 20V
CLP = 25V
I
CHG
80
20
= 750mA
4012-3 G15
4012-3 G13
100
25
V
GS
600
500
100
=
400
300
200
0V
0A
0
PWM Frequency
vs Charge Current
0
INFET Response Time to
DCIN Short to Ground
DCIN = 15V
INFET = Si7423DN
I
V
C
OUT
CLP = 15V
R
R
OUT
OUT
SENSE
IN
PFET V
= <50mA
= 3.01k
= 12.3V
= 0.27F
0.5
= 33m
GS
CHARGE CURRENT (A)
(1V/DIV)
1.0
TIME (1µs/DIV)
1.5
BAT = 14.5V
BAT = 12V
BAT = 5V
I
(5A/DIV)
DCIN,
2.0
REVERSE
2.5
4012-3 G14
4012-3 G16
LTC4012-3
3.0
40123fb