LTC4440-5 Linear Technology, LTC4440-5 Datasheet - Page 12

• Manufacturer Part Number: LTC4440-5
• Description: High Speed High Voltage High Side Gate Driver
• Manufacturer: Linear Technology

30.1k
TYPICAL APPLICATIO
LTC4440-5
12
RELATED PARTS
PART NUMBER
LT
LTC1693 Family
LT1952
LT3010/LT3010-5 50mA, 3V to 80V Low Dropout Micropower Regulators
LT3430
LTC3705 Family
LTC3722-1/
LTC3722-2
LTC3723-1/
LTC3723-2
LT3781/LTC1698 36V to 72V Input Isolated DC/DC Converter Chip Set
LT3804
LTC3900
LTC3901
LTC4440
LTC4441
PolyPhase is a registered trademark of Linear Technology Corporation.
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
Quad Protected High Side MOSFET Driver
High Speed Dual MOSFET Drivers
Single Switch Synchronous Forward Controller
High Voltage, 3A, 200kHz Step-Down Switching Regulator Input Voltages Up to 60V, Internal 0.1Ω Power Switch, Current Mode
Isolated Power Supply Chipset
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
High Speed, High Voltage, High Side Gate Driver
6A MOSFET Driver
1µF
3
11V
LTC4440-5ES6
INP
GND
330pF
15
1µF
5
11V
V
2
V
CC
IN
BOOST
●
1
V
UVLO
TS
DPRG
CC
FAX: [phone]
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
240W 42V-56V
T
U
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
IN
13
+
12V
1k
COMP
SDRB
SDRA
to Unregulated 12V Half-Bridge Converter
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
B
1(1.5mH):0.5
1
8
2
4
3
5
1
6
COMMENTS
8V to 48V Supply Range, t
1.5A Peak Output Current, 4.5V ≤ V
25W to 500W DC/DC Controller
Low Quiescent Current (30µA), Stable with Small (1µF) Ceramic Capacitor
Architecture, 16-Pin Exposed Pad TSSOP Package
Primary and Secondary Side Controllers; Simple as Buck Circuit;
Polyphase
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
High Side Source up to 100V, 8V to 15V Gate Drive Supply,
Undervoltage Lockout, 6-Lead ThinSOT or 8-Lead Exposed MSOP Package
Adjustable Gate Drive from 5V to 8V, 5V ≤ V
CS
T3
+
7.5Ω
D4
T1
5:4:4:2:2
100Ω
4
5
2.2nF
250V
7
9
11
C1
Si7370DP
7.5Ω
V
V
D5
9
E
F
®
220pF
L2 0.22µH
Operation
×2
SYNC
CSF
V
F
11
4.7k
1/4W
+
1µF, 100V TDK C4532X7R2A105M
C1: MURATA DE2E3KH222MB3B
C2: SANYO 16SP180M
C3: AVX TPSE686M020R0150
D1-D3: BAS21
D4, D5: MMBD914
10k
1500pF
CSF
100V
12
3k
–
MF MF2
GND PGND GND2 PGND2
14 15
8
Si7370DP
LTC3901EGN
ON
20Ω 1W
4
×2
CSE
= 200µs, t
V
E
6
4.7k
1/4W
+
10k
10
CSE
IN
5
© LINEAR TECHNOLOGY CORPORATION 2005
3k
–
≤ 13.2V
13
ME ME2
OFF
+
L1: COILCRAFT DO1813P-561HC
L2: SUMIDA CDEP105-0R2NC-50
L3: COILCRAFT DO1608C-105
T1: PULSE PA0801.005
T2: PULSE P8207
T3: PULSE PA0785
2
–V
V
TIMER
= 28µs
3
OUT
www.DataSheet4U.com
C2
180µF
16V
OUT
IN
PV
330pF
V
7
CC
CC
≤ 28V
16
LT 1205 REV A • PRINTED IN USA
1
1µF
V
–V
33.2k
OUT
OUT
–V
1µF
1µF
OUT
100Ω
MMBT3904
10V
MMBZ5240B
1k
44405fa
V
OUT
4440 TA04