LTC4440EMS8E#TR Linear Technology, LTC4440EMS8E#TR Datasheet - Page 12

• Manufacturer Part Number: LTC4440EMS8E#TR
• Description: IC DRIVER HIGH SIDE HS/HV 8MSOP
• Manufacturer: Linear Technology
• Type: High Sider

Specifications of LTC4440EMS8E#TR

• Input Type: Non-Inverting
• Number Of Outputs: 1
• On-state Resistance: 1.5 Ohm
• Current - Output / Channel: 2.4A
• Current - Peak Output: 4A
• Voltage - Supply: 8 V ~ 15 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-MSOP Exposed Pad, 8-HMSOP, 8-eMSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

TYPICAL APPLICATIO
LTC4440
30.1k
12
RELATED PARTS
PART NUMBER
LTC1155
LT
LTC1163
LT1339
LTC1535
LTC1693 Family
LT3010/LT3010-5 50mA, 3V to 80V Low Dropout Micropower Regulators
LT3430
LTC3722-1/
LTC3722-2
LTC3723-1/
LTC3723-2
LT3781/LTC1698 36V to 72V Input Isolated DC/DC Converter Chip Set
LT3804
LTC3900
LTC3901
LTC4441
48V
–V
®
V
V
IN
IN
IN
1161
IN
215k
1/4W
15k
12V
100pF
MMBZ5242B
0.56µH
MMBT3904
1µF
100V
L1
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
12V
A
1µF
100V
120Ω
DESCRIPTION
Dual Micropower High/Low Side Drivers with
Internal Charge Pump
Quad Protected High Side MOSFET Driver
Triple 1.8V to 6V High Side MOSFET Driver
High Power Synchronous DC/DC Controller
Isolated RS485 Transceiver
High Speed Dual MOSFET Drivers
High Voltage, 3A, 200kHz Step-Down Switching Regulator Input Voltages Up to 60V, Internal 0.1Ω Power Switch, Current Mode
Synchronous Dual Mode Phase Modulated Full-Bridge
Controllers
Synchronous Push-Pull PWM Controllers
Secondary Side Dual Output Controller with Opto Driver
Synchronous Rectifier Driver for Forward Converters
Secondary Side Synchronous Driver for Push-Pull and
Full-Bridge Converters
6A MOSFET Driver
1µF
3
11V
INP
LTC4440ES6
GND
330pF
15
1µF
LTC3723-2/LTC4440/LTC3901 240W 42V-56V
5
11V
V
2
V
●
CC
IN
BOOST
1
V
UVLO
FAX: [phone]
TS
DPRG
CC
4
TG
DRVA
12
0.22µF
A
62k
6
6
5
V
D1
REF
DRVB
1
B
150pF
0.47µF
RAMP
4
9
LTC3723EGN-2
C
U
T
8
SPRG GND
Si7852DP
×2
Si7852DP
×2
16
10k
●
www.linear.com
7
CS
10 14
SS
1µF
100V
1µF
100V
68µF
C3
FB
470pF
13
+
12V
1k
COMP
SDRB
SDRA
1µF
100V
1µF
100V
1mH
L3
2
3
11
0.47µF
CS
70(980µH):1
1
3
+
22Ω
T2
0.22µF
D2
D3
8
7
4.7k
0.1µF
2N7002
IN
B
1(1.5mH):0.5
1
8
COMMENTS
4.5V to 18V Supply Range
8V to 48V Supply Range, t
1.8V to 6V Supply Range, t
Current Mode Operation Up to 60V, Dual N-Channel Synchronous Drive
2500V
1.5A Peak Output Current, 4.5V ≤ V
Low Quiescent Current (30µA), Stable with Small (1µF) Ceramic Capacitor
Architecture, 16-Pin Exposed Pad TSSOP Package
Adaptive Zero Voltage Switching, High Output Power Levels
(Up to Kilowatts)
Current Mode or Voltage Mode Push-Pull Controllers
Synchronous Rectification; Overcurrent, Overvoltage, UVLO Protection;
Power Good Output Signal; Voltage Margining; Compact Solution
Regulates Two Secondary Outputs, Optocoupler Feedback Divider and
Second Output Synchronous Driver Controller
Programmable Time Out, Reverse Inductor Current Sense
Programmable Time Out, Reverse Inductor Current Sense
Adjustable Gate Drive from 5V to 8V, 5V ≤ V
2
4
3
5
1
6
to Unregulated 12V Half-Bridge Converter
CS
T3
+
7.5Ω
D4
T1
5:4:4:2:2
100Ω
4
5
2.2nF
250V
RMS
7
9
11
C1
Si7370DP
7.5Ω
V
V
D5
9
E
F
of Isolation Between Line Transceiver and Logic Level Interface
L2 0.22µH
220pF
×2
SYNC
CSF
V
F
11
4.7k
1/4W
+
10k
1500pF
CSF
100V
1µF, 100V TDK C4532X7R2A105M
C1: MURATA DE2E3KH222MB3B
C2: SANYO 16SP180M
C3: AVX TPSE686M020R0150
D1-D3: BAS21
D4, D5: MMBD914
L1: COILCRAFT DO1813P-561HC
L2: SUMIDA CDEP105-0R2NC-50
L3: COILCRAFT DO1608C-105
T1: PULSE PA0801.005
T2: PULSE P8207
T3: PULSE PA0785
12
3k
–
MF MF2
GND PGND GND2 PGND2
14 15
8
Si7370DP
ON
ON
LTC3901EGN
20Ω 1W
4
= 200µs, t
×2
CSE
= 95µs, t
V
E
6
4.7k
1/4W
+
10k
10
IN
CSE
© LINEAR TECHNOLOGY CORPORATION 2003
5
≤ 13.2V
3k
–
OFF
13
ME ME2
OFF
+
2
= 45µs
–V
= 28µs
V
TIMER
3
IN
OUT
C2
180µF
16V
OUT
330pF
PV
V
7
≤ 28V
CC
LT/TP 1004 1K • PRINTED IN USA
CC
16
1
1µF
–V
V
–V
33.2k
OUT
OUT
OUT
1µF
1µF
100Ω
MMBT3904
4440 TA04
10V
MMBZ5240B
1k
V
4440f
OUT