LTC4008EGN-1#PBF Linear Technology, LTC4008EGN-1#PBF Datasheet - Page 8

• Manufacturer Part Number: LTC4008EGN-1#PBF
• Description: IC BATT CHARGER CTRLR 4A 20SSOP
• Manufacturer: Linear Technology

Specifications of LTC4008EGN-1#PBF

• Function: Charge Management
• Battery Type: Multi-Chemistry
• Voltage - Supply: 6 V ~ 28 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 20-SSOP (0.200", 5.30mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

LTC4008
BLOCK DIAGRAM
8
V
IN
0.1μF
R
Q3
CL
Q1
Q2
L1
0.1μF
5k
ACP/SHDN 3
20μF
BATMON
INFET*
BGATE
FAULT 5
TGATE
PGND
DCIN
FLAG
GND
V
CLN
CLP
FB
I
CL
20
14
13
16
15
17
19
18
1
6
7
2
100mV
CLP
–
+
WATCHDOG
CL1
5.8V
DETECT
OSCILLATOR
g
LOGIC
*
DCIN
PWM
t
m
OFF
= 1.4m
1.19V
CHARGE
Ω
Q
*
1.28V
–
+
S
R
+
–
CLP
+
–
EA
*NOT USED IN THE LTC4008-1
OV
g
m
= 1m
Ω
CONTROL
BLOCK
g
m
÷5
I
= 1m
CMP
I
REV
35mV
Ω
BUFFERED I
CA2
TH
CA1
–
+
TBAD
–
+
+
–
–
+
C/10
–
+
–
1.19V
THERMISTOR
OSCILLATOR
+
11.67μA
17mV
–
+
9k
397mV
12
11
10
4
8
9
R
NTC
BAT
CSP
I
PROG
TH
4.7nF
T
0.47μF
32.4k
150k
6K
3k
3k
0.12μF
R
R
26.7k
SENSE
PROG
10k
NTC
4008 BD
20μF
4008fb