Devices for sw power supply, Dc-dc converter ic – Sanyo EP124 User Manual
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Devices for SW Power Supply
27
6) Bipolar Transistors: Separately-excited Inverter (MOSFET for Gate Drive)
Bipolar Transistors
Type No.
Package
Polarity
Absolute maximum ratings/Ta=25˚C
Electrical characteristics/Ta=25˚C
Internal chip
equivalent
product
Electrical
connection
VCEO
[V]
IC
[A]
ICP
[A]
PC
[W]
hFE
VCE (sat) [V]
VCE
[V]
IC
[A]
min
max
IC
[A]
IB
[mA]
typ max
MCH5541
MCPH5
PNP
30
0.7
3
0.5
2
0.01 200
500
0.2
10
0.11
0.22
30A02MH
+30C02MH
B14
NPN
30
0.7
3
0.5
2
0.05 300
800
0.2
10
0.085 0.19
MCH6542
MCPH6
PNP
30
0.3
0.9
0.5
2
0.01 200
500
0.1
5
0.11
0.22
30A01M
+30C01M
B13
NPN
30
0.3
0.9
0.5
2
0.01 300
800
0.1
5
0.1
0.2
MCH6545
PNP
50
0.5
1
0.5
2
0.01 200
500
0.1
10
0.06
0.12
50A02CH
+50C02CH
B13
NPN
50
0.5
1
0.5
2
0.01 300
700
0.1
10
0.05
0.1
CPH5541
CPH5
PNP
30
0.7
3
0.6
2
0.01 200
500
0.2
10
0.11
0.22
30A02CH
+30C02CH
B14
NPN
30
0.7
3
0.6
2
0.05 300
800
0.2
10
0.085 0.19
CPH5506
PNP
30
1.5
5
0.9
2
0.1
200
560
0.75
15
0.25 0.375 CPH3115
+CPH3215
B14
NPN
30
1.5
5
0.9
2
0.1
200
560
0.75
15
0.15 0.225
CPH5516
PNP
30
2
6
0.9
2
0.1
200
560
1.5
75
0.17
0.26
CPH3144
+CPH3244
B14
NPN
30
2
6
0.9
2
0.1
200
560
1.5
75
0.16
0.24
CPH5518
PNP
50
1
3
0.9
2
0.1
200
560
0.5
10
0.23
0.38
CPH3116
+CPH3216
B14
NPN
50
1
3
0.9
2
0.1
200
560
0.5
10
0.13
0.19
CPH5524
PNP
50
3
6
0.9
2
0.1
200
560
1
50
0.115 0.23
CPH3123
+CPH3223
B14
NPN
50
3
6
0.9
2
0.1
200
560
1
50
0.09
0.13
B13
B14
C1
B2
E1
B1
E2
C2
B1
EC
C1
B2
C2
[Bipolar Transistor Use Example]
Buffer Transistor Circuit
Push-Pull
Full-Bridge
N1
P1
N2
P2
VDD
GND
GND
CCFL
Buffer TR
Buffer TR
VDD
Buffer TR
Buffer TR
CCFL
N1
N2
VDD
GND
Buffer TR
Buffer TR
Buffer TR
• IC with large IC is recommended for driving large-capacitance MOSFET
• Composite type (PNP+NPN) is recommended for miniaturization purpose
TN8D41A/51A, TN5D41A/51A/61A: Separately-excited step-down switching regulator
[Functions/Features]
• Large current
IO max 8A (TN8D41A/51A)
IO max 5A (TN5D41A/51A/61A)
• High effi ciency
Vertical-type P-channel power MOSFET built-in
• High withstand voltage VIN max 57V
• Five external parts
• Built-in reference oscillator (150kHz)
• Built-in current limiter
• Built-in thermal shutdown circuit
• Built-in soft start circuit
• ON/OFF function (shared with soft start pin)
Type No.
Type
Input voltage
Output voltage/current
Channels
Power stage
Package
TN5D41A
Step-down
10V to 40V
5V/5A
1ch
Built-in (PMOS)
TO-220FI5H-HB
TN8D41A
Step-down
10V to 40V
5V/8A
1ch
Built-in (PMOS)
TO-220FI5H-HB
TN5D51A
Step-down
20V to 48V
12V/5A
1ch
Built-in (PMOS)
TO-220FI5H-HB
TN8D51A
Step-down
20V to 48V
12V/8A
1ch
Built-in (PMOS)
TO-220FI5H-HB
TN5D61A
Step-down
30V to 48V
24V/5A
1ch
Built-in (PMOS)
TO-220FI5H-HB
■
DC-DC Converter IC
[ExPD Use Example]
+
GND
VOUT
+
VIN
GND
VIN
SS
GND
SWOUT
FB
Under Voltage
Protect
SOFTSTART
Band Gap
OSC
AMP
COMP
OUTPUT
Over
Temperature
Protect
Over Current
Protect
SENSE
Pch MOSFET
--
+
--
+
1
5
2
3
4
[Application Example for Power Supply Makers: Allows High Design Freedom]
24V Output
ACIN
PFC
Control
5/3.3V
Output
24V Output
ACIN
PFC
Control
5/3.3V
Output
TN5D/8D
Series
5 to 8A Output
[Proposal]
1. Simplification of circuits
2. Common-ization of circuits
3. Helps reduce designing time
[Proposal]
1. Simplification of circuits
2. Common-ization of circuits
3. Helps reduce designing time