LTC4012IUF#PBF Linear Technology, LTC4012IUF#PBF Datasheet - Page 4

• Manufacturer Part Number: LTC4012IUF#PBF
• Description: IC BATT CHRGR MC HI-EFF 20-QFN
• Manufacturer: Linear Technology

Specifications of LTC4012IUF#PBF

• Function: Charge Management
• Battery Type: Multi-Chemistry
• Voltage - Supply: 6 V ~ 28 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 20-WFQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

LTC4012/
LTC4012-1/LTC4012-2
SYMBOL
R
I
I
I
I
I
INTV
INTV
∆V
I
Switching Regulator
I
f
f
DC
t
t
t
t
t
PowerPath Control
I
V
V
V
V
V
t
t
Float Voltage Select Inputs (LTC4012-1/LTC4012-2 Only)
V
V
I
Indicator Outputs
V
I
I
electrical characteristics

temperature range, otherwise specifications are at T
CLPS
LEAK-BAT
LEAK-CSN
LEAK-CSP
LEAK-SW
DD
ITH
TYP
MIN
R-TG
F-TG
R-BG
F-BG
NO
DCIN
IF(ON)
IF(OFF)
IN
LEAK
C10
FTO
FR
RTO
OL(INFET)
OH(INFET)
IL
IH
OL
IN
DD
MAX
DD
DD
Regulator
PARAMETER
SHDN Pull-Down Resistance
CLP Shutdown Current
BAT Leakage Current
CSN Leakage Current
CSP Leakage Current
SW Leakage Current
Output Voltage
Load Regulation
Short-Circuit Current (Note 5)
ITH Current
Typical Switching Frequency
Minimum Switching Frequency
Maximum Duty Cycle
TGATE Rise Time
TGATE Fall Time
BGATE Rise Time
BGATE Fall Time
TGATE, BGATE Non-Overlap Time
DCIN Input Current
Forward Turn-On Voltage (DCIN Detection Threshold)
Forward Regulation Voltage
Reverse Turn-Off Voltage
INFET Output Low Voltage, Relative to CLP
INFET Output High Voltage, Relative to CLP
INFET Turn-On Time
INFET Turn-Off Time
Input Voltage Low
Input Voltage High
Input Current
Output Voltage Low
Output Leakage
CHRG C/10 Current Sink
A
= 25°C. DCIN = 20V, BAT = 12V, GND = 0V unless otherwise noted. (Note 2)
The
CONDITIONS
CLP = 12V, DCIN = 0V
SHDN = 0V
SHDN = 0V or DCIN = 0V,
0V ≤ CSP = CSN = BAT ≤ 18V
SHDN = 0V or DCIN = 0V,
0V ≤ CSP = CSN = BAT ≤ 20V
SHDN = 0V or DCIN = 0V,
0V ≤ CSP = CSN = BAT ≤ 20V
SHDN = 0V or DCIN = 0V,
0V ≤ SW ≤ 20V
No Load
I
INTV
ITH = 1.4V
C
C
C
C
C
C
C
0V ≤ DCIN ≤ CLP
DCIN-CLP, DCIN rising
DCIN-CLP
DCIN-CLP , DCIN falling
DCIN-CLP = 0.1V, I
DCIN-CLP = –0.1V, I
To CLP-INFET > 3V, C
To CLP-INFET < 1.5V, C
0V ≤ V
I
SHDN = 0V, DCDIV = 0V,
V
CHRG = 2.5V
DD
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
OUT
l
= 20mA
DD
= 20V
denotes the specifications which apply over the full operating
= 100µA, PROG = 1.2V
= 3.3nF
= 3.3nF
= 3.3nF, 10% – 90%
= 3.3nF, 90% – 10%
= 3.3nF, 10% – 90%
= 3.3nF, 90% – 10%
= 3.3nF, 10% – 10%
IN
= 0V
≤ 5V
INFET
INFET
INFET
INFET
=1µA
=–5µA
= 1nF
= 1nF
l
l
l
l
l
l
l
l
l
l
l
l
–250
–1.5
–1.5
–1.5
4.85
–6.5
MIN
467
–10
–45
–10
–10
3.5
–1
50
20
98
15
15
15
–40/+90
–0.4
TYP
350
550
110
–25
2.5
40
15
85
25
99
60
50
60
60
25
85
25
0
0
0
0
5
MAX
5.15
500
130
633
110
110
110
110
–15
250
180
500
1.5
1.5
1.5
0.5
26
–1
60
60
35
–5
10
10
38
2
6
UNITS
4012fa
kHz
kHz
mA
mV
mV
mV
mV
mV
kΩ
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
ns
ns
ns
ns
ns
µs
µs
%
%
V
V
V
V