TOSHIBA TB2901H

TB2901H
TOSHIBA Bi-CMOS Digital Integrated Circuit Silicon Monolithic
TB2901H
Maximum Power 47 W BTL × 4-ch Audio Power IC
The TB2901H is 4-ch BTL audio amplifier for car audio
applications.
This IC can generate higher power: POUT MAX = 47 W as it
includes the pure complementary P-ch and N-ch DMOS output
stage.
It is designed to yield low distortion ratio for 4-ch BTL audio
power amplifier, built-in standby function, muting function, and
various kinds of protectors.
Additionally, high-side switch is built in.
Weight: 7.7 g (typ.)
Features
·
High power output
: POUT MAX (1) = 47 W (typ.)
(VCC = 14.4 V, f = 1 kHz, JEITA max, RL = 4 Ω)
: POUT MAX (2) = 43 W (typ.)
(VCC = 13.7 V, f = 1 kHz, JEITA max, RL = 4 Ω)
: POUT MAX (3) = 80 W (typ.)
(VCC = 14.4 V, f = 1 kHz, JEITA max, RL = 2 Ω)
: POUT (1) = 29 W (typ.)
(VCC = 14.4 V, f = 1 kHz, THD = 10%, RL = 4 Ω)
: POUT (2) = 25 W (typ.)
(VCC = 13.2 V, f = 1 kHz, THD = 10%, RL = 4 Ω)
: POUT (3) = 55 W (typ.)
(VCC = 14.4 V, f = 1 kHz, THD = 10%, RL = 2 Ω)
·
Low distortion ratio: THD = 0.015% (typ.)
(VCC = 13.2 V, f = 1 kHz, POUT = 5 W, RL = 4 Ω)
·
Low noise: VNO = 90 µVrms (typ.)
(VCC = 13.2 V, Rg = 0 Ω, BW = 20 Hz~20 kHz, RL = 4 Ω)
·
Built-in standby switch function (pin 4)
·
Built-in muting function (pin 22)
·
Built-in high-side switch function (pin 25)
·
Built-in various protection circuits:
·
Operating supply voltage: VCC (opr) = 9~18 V (RL = 4 Ω)
Thermal shut down, overvoltage, out to GND, out to VCC, out to out short
Note 1: Since this device’s pins have a low withstanding voltage, please handle it with care.
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2002-11-06
TB2901H
20
VCC1
6
VCC2
OUT1 (+)
C1
11
PW-GND1 8
OUT2 (+)
12
RL
3
15
14
17
IN3
PW-GND3 18
OUT4 (+)
RL
19
21
IN4
PW-GND4 24
OUT4 (-)
RL
23
13
RIP
STBY
H-SW
MUTE
10
4
25
22
5V
C4
PLAY
C2
PRE-GND
5
16 AC-GND
OUT3 (-)
C1
7
PW-GND2 2
OUT3 (+)
C1
RL
IN2
OUT2 (-)
C6
9
IN1
OUT1 (-)
C1
C3
1
TAB
C5
Block Diagram
R1
MUTE
: PRE-GND
: PW-GND
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2002-11-06
TB2901H
Caution and Application Method
(Description is made only on the single channel.)
1. Voltage Gain Adjustment
This IC has no NF (negative feedback) Pins. Therefore, the voltage gain can not be adjusted, but it makes
the device a space and total costs saver.
Amp. 2A
Amp. 1
Input
Amp. 2B
Figure 1
Block Diagram
The voltage gain of amp.1
: GV1 = 0dB
The voltage gain of amp.2A, B
: GV2 = 20dB
The voltage gain of BTL connection : GV (BTL) = 6dB
Therefore, the total voltage gain is decided by expression below.
GV = GV1 + GV2 + GV (BTL) = 0 + 20 + 6 = 26dB
2. Standby SW Function (pin 4)
By means of controlling pin 4 (standby pin) to
High and Low, the power supply can be set to ON
and OFF. The threshold voltage of pin 4 is set at
about 3VBE (typ.), and the power supply current is
about 2 mA (typ.) in the standby state.
VCC
ON Power
OFF
Control Voltage of Pin 4: VSB
Standby
Power
VSB (V)
ON
OFF
0~1.5
OFF
ON
3.5~6 V
4
10 kW
» 2 VBE
to BIAS
CUTTING CIRCUIT
When changing the time constant of pin 4, check the
pop noise.
Figure 2 With pin 4 set to High,
Power is turned ON
Advantage of Standby SW
(1)
(2)
Since VCC can directly be controlled to ON or OFF by the microcomputer, the switching relay can be
omitted.
Since the control current is microscopic, the switching relay of small current capacity is satisfactory
for switching.
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2002-11-06
TB2901H
Relay
Large current capacity switch
Battery
Battery
VCC
From
microcomputer
VCC
– Conventional Method –
Small current capacity switch
Battery
From microcomputer
Battery
Stand-By VCC
Stand-By VCC
– Standby Switch Method –
Figure 3
3. Muting Function (pin 22)
Audio muting function is enabled when pin 22 is Low. When the time constant of the muting function is
determined by R1 and C4, it should take into account the pop noise. The pop noise which is generated when
the power or muting function is turned ON/OFF will vary according to the time constant. (Refer to Figure 4
and Figure 5.)
The pin 22 is designed to operate off 5 V.
Moreover, this terminal (pin 22) serves as the source switch of current of an internal mute circuit. And it is
designed so that the discharge current of this terminal (pin 22) may serve as 200 mA. The outside pull-up
resistor R1 is determind on the basic of this value.
ex) When control voltage is changed in to 6 V from 5 V.
6 V/5 V ´ 47 k = 56 k
To obtain enough mute attenuation, a series resistor, R1 at pin 22 should be 47 kW or more.
ATT – VMUTE
20
VCC = 13.2 V
f = 1kHz
Mute attenuation ATT
(dB)
0
5V
R1
22
C4
1 kW
Mute ON/OFF
control
RL = 4 W
VOUT = 20dBm
-20
-40
-60
-80
-100
-120
0
0.5
1
1.5
2
Pin 22 control voltage: VMUTE
Figure 4
Muting Function
Figure 5
4
2.5
3
(V)
Mute Attenuation - VMUTE (V)
2002-11-06
TB2901H
4. High-Side Switch
Pin 25 of this device is used in concerned with VCC as a high-side switch which operates with the standby
pin. Thus, both the power amp IC and the connected external unit (the hideaway unit) can be turned
ON/OFF by using of the standby switch.
5. Pop Noise Suppression
Since the AC-GND pin (pin 16) is used as the NF pin for all amps, the ratio between the input
capacitance (C1) and the AC-to-GND capacitance (C6) should be 1:4.
Also, if the power is turned OFF before the C1 and C6 batteries have been completely charged, pop noise
will be generated because of the DC input umbalance.
To counteract the noise, it is recommended that a longer charging time be used for C2 as well as for C1
and C6. Note that the time which audio output takes to start will be longer, since the C2 makes the muting
time (the time from when the power is turned ON to when audio output starts) is fix.
The pop noise which is generated when the muting function is turned ON/OFF will vary according to the
time constant of C4.
The greater the capacitance, the lower the pop noise. Note that the time from when the mute control
signal is applied to C4 to when the muting function is turned ON/OFF will be longer.
6. External Component Constants
Component Recommended
Name
Value
Effect
Purpose
Lower than recommended
value
Higher than recommended
value
C1
0.22 mF
To eliminate DC
Cut-off frequency is
increased
Cut-off frequency is reduced
C2
10 mF
To reduce ripple
Powering ON/OFF is faster
Powering ON/OFF takes
longer
C3
0.1 mF
To provide
sufficient
oscillation margin
Reduces noise and provides sufficient oscillation margin
C4
1 mF
To reduce pop
noise
High pop noise. Duration until Low pop noise. Duration until
muting function is turned
muting function is turned
ON/OFF is short
ON/OFF is long
C5
3900 mF
Ripple filter
Power supply ripple filtering
C6
1 mF
NF for all outputs
Pop noise is suppressed when C1:C6 = 1:4
Note:
Notes
Pop noise is
generated when
VCC is ON
Pop noise is
generated when
VCC is ON
If recommended value is not used.
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2002-11-06
TB2901H
Maximum Ratings (Ta = 25°C)
Characteristics
Symbol
Rating
Unit
VCC (surge)
50
V
DC supply voltage
VCC (DC)
25
V
Operation supply voltage
VCC (opr)
18
V
Peak supply voltage (0.2 s)
Output current (peak)
Power dissipation
IO (peak)
PD (Note 2)
9
A
125
W
Operation temperature
Topr
-40~85
°C
Storage temperature
Tstg
-55~150
°C
Note 2: Package thermal resistance qj-T = 1°C/W (typ.) (Ta = 25°C, with infinite heat sink)
Electrical Characteristics
(unless otherwise specified, VCC = 13.2 V, f = 1 kHz, RL = 4 W, Ta = 25°C)
Characteristics
Symbol
Test
Circuit
ICCQ
¾
POUT MAX (1)
Min
Typ.
Max
Unit
VIN = 0
¾
200
400
mA
¾
VCC = 14.4 V, max POWER
¾
47
¾
POUT MAX (2)
¾
VCC = 13.7 V, max POWER
¾
43
¾
POUT (1)
¾
VCC = 14.4 V, THD = 10%
¾
29
¾
POUT (2)
¾
THD = 10%
23
25
¾
POUT MAX (3)
¾
VCC = 14.4 V, max POWER
¾
80
¾
POUT MAX (4)
¾
VCC = 13.7 V, max POWER
¾
77
¾
POUT (3)
¾
VCC = 14.4 V, THD = 10%
¾
55
¾
POUT (4)
¾
THD = 10%
42
45
¾
THD
¾
POUT = 5 W
¾
0.015
0.15
%
Voltage gain
GV
¾
VOUT = 0.775 Vrms
24
26
28
dB
Voltage gain ratio
DGV
¾
VOUT = 0.775 Vrms
-1.0
0
1.0
dB
VNO (1)
¾
Rg = 0 W, DIN45405
¾
100
¾
VNO (2)
¾
Rg = 0 W, BW = 20 Hz~20 kHz
¾
90
200
Ripple rejection ratio
R.R.
¾
frip = 100 Hz, Rg = 620 W
Vrip = 0.775 Vrms
50
60
¾
dB
Cross talk
C.T.
¾
Rg = 620 W
VOUT = 0.775 Vrms
¾
70
¾
dB
VOFFSET
¾
¾
-150
0
150
mV
Input resistance
RIN
¾
¾
¾
90
¾
kW
Standby current
ISB
¾
Standby condition
¾
2
10
mA
VSB H
¾
POWER: ON
3.5
¾
6.0
VSB L
¾
POWER: OFF
0
¾
1.5
VM H
¾
MUTE: OFF
3.0
¾
6.0
VM L
¾
MUTE: ON, R1 = 47 kW
0
¾
0.5
ATT M
¾
MUTE: ON
VOUT = 7.75 Vrms®Mute: OFF
80
90
¾
dB
IO
¾
400
¾
¾
mA
DVo
¾
¾
0.25
0.6
V
Quiescent current
Output power
Output power (RL = 2 W)
Total harmonic distortion
Output noise voltage
Output offset voltage
Standby control voltage
Mute control voltage
Mute attenuation
Test Condition
W
W
mVrms
V
V
High-Side Switch
Output current
Difference voltage between VCC and
output
IO = 400 mA, +B = 9.6 V
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2002-11-06
TB2901H
6
VCC2
OUT1 (+)
0.22 mF
C1
11
PW-GND1 8
OUT2 (+)
C1
12
C6
C1
15
3
14
17
PW-GND3 18
RL
19
21
IN4
PW-GND4 24
OUT4 (-)
RL
23
13
H-SW
MUTE
4
25
22
C4
1 mF
STBY
10
10 mF
RIP
C2
PRE-GND
RL
IN3
OUT4 (+)
C1
5
16 AC-GND
OUT3 (-)
0.22 mF
7
PW-GND2 2
OUT3 (+)
0.1 mF
0.22
RL
IN2
OUT2 (-)
1 mF
9
IN1
OUT1 (-)
0.22 mF
C3
0.1 mF
20
VCC1
3900 mF
1
TAB
C5
Test Circuit
5V
47 kW
R1
PLAY
MUTE
: PRE-GND
: PW-GND
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2002-11-06
TB2901H
THD – POUT (ch1)
THD – POUT (ch2)
100
50
100
V
= 13.2 V
VCC
CC = 13.2 V
50 RL = 4 W
RL = 4 W
測定 ch のみ入力
30 Filter
VCC = 13.2 V
RL = 4 W
30 Filter
Filter
100 Hz : ~30 kHz
100 Hz :: ~300
kHz kHz
1kHz
400 Hz~30
10
1kHz
10 kHz :: 400
400 Hz~30
Hz~ kHz
100 Hz : ~30 kHz
1kHz
10
: 400 Hz~30 kHz
10 kHz : 400 Hz~
20 kHz : 400 Hz~
10 kHz
kHz :: 400
400 Hz~
Hz~
20
30 kHz : 400 Hz~
0.5
0.3
(%)
20 kHz
3
THD
5
1
Total harmonic distortion
(%)
1
Total harmonic distortion
3
THD
5
10 kHz
0.1
0.05
0.03
20 kHz
0.5
0.3
10 kHz
0.1
0.05
0.03
1 kHz
1 kHz
0.01
0.01
f = 100 Hz
f = 100 Hz
0.005
0.005
0.003
0.003
0.001
0.1
0.3 0.5
1
3
Output power
5
10
POUT
30 50
0.001
0.1
100
0.3 0.5
(W)
THD – POUT (ch3)
VCC = 13.2 V
RL = 4 W
10
50
100
30 50
100
(W)
30 Filter
1kHz
100 Hz : ~30 kHz
: 400 Hz~30 kHz
10
1kHz
: 400 Hz~30 kHz
10 kHz : 400 Hz~
20 kHz : 400 Hz~
0.5
0.3
(%)
20 kHz
3
THD
5
1
Total harmonic distortion
(%)
5
THD
POUT
30 50
VCC = 13.2 V
RL = 4 W
10 kHz : 400 Hz~
Total harmonic distortion
10
THD – POUT (ch4)
100 Hz : ~30 kHz
1
5
100
30 Filter
3
3
Output power
100
50
1
10 kHz
0.1
0.05
0.03
20 kHz : 400 Hz~
20 kHz
0.5
0.3
10 kHz
0.1
0.05
0.03
1 kHz
1 kHz
0.01
0.01
f = 100 Hz
f = 100 Hz
0.005
0.005
0.003
0.001
0.1
0.003
0.3 0.5
1
3
Output power
5
10
POUT
30 50
0.001
0.1
100
(W)
0.3 0.5
1
3
Output power
8
5
10
POUT
(W)
2002-11-06
TB2901H
THD – POUT (ch1)
THD – POUT (ch2)
100
100
50
VCC = 13.2 V
RL = 4 W
30
f = 1 kHz
13.2 V
50
VCC = 13.2 V
RL = 4 W
30
f = 1 kHz
Filter
10
400 Hz~30 kHz
10
(%)
1
THD
1
Total harmonic distortion
(%)
3
Total harmonic distortion
400 Hz~30 kHz
5
3
THD
5
0.5
VCC = 9.0 V
0.3
16.0 V
0.1
0.05
0.03
0.5
0.05
0.03
0.005
0.005
0.003
0.003
1
3
Output power
5
10
POUT
30 50
0.001
0.1
100
0.3 0.5
(W)
THD – POUT (ch3)
5
10
POUT
30 50
100
(W)
THD – POUT (ch4)
VCC = 13.2 V
RL = 4 W
30
f = 1 kHz
13.2 V
50
VCC = 13.2 V
RL = 4 W
30
f = 1 kHz
Filter
13.2 V
Filter
400 Hz~30 kHz
10
400 Hz~30 kHz
(%)
3
1
THD
1
Total harmonic distortion
(%)
5
3
THD
5
Total harmonic distortion
3
100
50
0.5
VCC = 9.0 V
0.3
16.0 V
0.1
0.05
0.03
0.5
0.05
0.03
0.005
0.005
0.003
0.003
1
3
Output power
5
10
POUT
30 50
0.001
0.1
100
(W)
0.3 0.5
1
3
Output power
9
16.0 V
0.1
0.01
0.3 0.5
VCC = 9.0 V
0.3
0.01
0.001
0.1
1
Output power
100
10
16.0 V
0.1
0.01
0.3 0.5
VCC = 9.0 V
0.3
0.01
0.001
0.1
13.2 V
Filter
5
10
POUT
30 50
100
(W)
2002-11-06
TB2901H
muteATT – f
R.R. – f
-20
0
VCC = 13.2 V
VCC = 13.2 V
RL = 4 W
Ripple rejection ratio R.R. (dB)
Mute attenuation muteATT (dB)
0
VOUT = 20dBm
-40
-60
-80
1 ch ~4ch
-100
-20
RL = 4 W
RG = 620 W
Vrip =0dBm
-40
4ch
-60
1ch
3ch
-120
10
100
1k
frequency
10 k
2ch
-80
10
100 k
100
1k
f (Hz)
frequency
GV – f
20
VCC = 13.2 V
10
RL = 4 W
VOUT = 0dBm
100
1k
frequency
10 k
(%)
1 ch ~4ch
THD
30
1
0.3
Total harmonic distortion
(dB)
10 k
100 k
f (Hz)
3
GV
Voltage gain
100 k
THD – f
40
0
10
10 k
f (Hz)
POUT = 5 W
No filter
0.1
0.03
2ch
4ch
0.01
3ch
1ch
0.003
0.001
10
100 k
VCC = 13.2 V
RL = 4 W
100
1k
frequency
10
f (Hz)
2002-11-06
TB2901H
VIN – POUT (ch1)
VIN – POUT (ch2)
40
40
1 kHz
1 kHz
30
10 kHz
20
f = 20 kHz
POUT (W)
100 Hz
Output power
Output power
POUT (W)
100 Hz
VCC = 13.2 V
10
RL = 4 W
No filter
0
0
2
4
Input voltage
6
VIN
8
30
10 kHz
20
f = 20 kHz
RL = 4 W
No filter
0
0
10
VCC = 13.2 V
10
2
(Vrms)
4
Input voltage
VIN – POUT (ch3)
(Vrms)
1 kHz
100 Hz
POUT (W)
100 Hz
10 kHz
30
f = 20 kHz
20
Output power
POUT (W)
10
40
1 kHz
Output power
VIN
8
VIN – POUT (ch4)
40
VCC = 13.2 V
10
RL = 4 W
No filter
0
0
6
2
4
Input voltage
6
VIN
8
30
(Vrms)
f = 20 kHz
20
VCC = 13.2 V
10
RL = 4 W
No filter
0
0
10
10 kHz
2
4
Input voltage
11
6
VIN
8
10
(Vrms)
2002-11-06
TB2901H
C.T. – f (ch1)
C.T. – f (ch2)
0
0
C.T. (dB)
-20
VCC = 13.2 V
RL = 4 W
VOUT = 0dBm
RG = 620 W
-40
Cross talk
Cross talk
C.T. (dB)
VCC = 13.2 V
ch2
-60
ch3
-20
RL = 4 W
VOUT = 0dBm
RG = 620 W
-40
ch1
-60
ch3
ch4
ch4
-80
10
100
1k
frequency
10 k
-80
10
100 k
100
f (Hz)
frequency
C.T. – f (ch3)
f (Hz)
VCC = 13.2 V
C.T. (dB)
RL = 4 W
VOUT = 0dBm
RG = 620 W
-40
Cross talk
C.T. (dB)
100 k
0
VCC = 13.2 V
Cross talk
10 k
C.T. – f (ch4)
0
-20
1k
ch1
ch2
-60
-20
RL = 4 W
VOUT = 0dBm
RG = 620 W
-40
-60
ch1
ch2
ch4
ch3
-80
10
100
1k
frequency
10 k
-80
10
100 k
f (Hz)
100
1k
frequency
12
10 k
100 k
f (Hz)
2002-11-06
TB2901H
VNO – Rg
PD – POUT
300
80
f = 1 kHz
(W)
Filter
RL = 4 W
4ch drive
18 V
60
PD
~20 kHz
200
Power dissipation
Output noise voltage
VNO
(mVrms)
VCC = 13.2 V
RL = 4 W
1ch~4ch
100
16 V
40
13.2 V
20
9.0 V
0
10
100
1k
10 k
0
0
100 k
10
Signal source resistance Rg (9)
Output power
VCC = 13.2 V
RL = 2 W
POmax
POUT = 5 W
Maximum output power
0.03
0.01
0.003
ch4
ch1
ch3
ch2
0.1
1
frequency
10
18
f = 1 kHz
80
RL = 2 W
All drive
40
20
0
8
100
10
f (kHz)
12
(V)
ICCQ – VCC
PD – POUT
400
f = 1 kHz
(W)
VCC = 16.0 V
RL = ∞
VIN = 0
RL = 2 W
All drive
(mA)
100
60
Output current ICCQ
80
13.2 V
40
9.0 V
20
10
20
30
Output power
40
POUT/ch
50
60
300
200
100
0
0
0
0
14
Supply voltage VCC
120
PD
16
(W)
60
0.1
0.001
0.01
Power dissipation
25
100
(dB)
(%)
THD
Total harmonic distortion
0.3
POUT
20
POmax – VCC
THD – f
3
1
15
70
10
20
Supply voltage VCC
(°C)
13
30
(V)
2002-11-06
TB2901H
THD – POUT (ch1)
THD – POUT (ch2)
100
100
50
VCC = 13.2 V
RL = 2 W
30
All drive
VCC = 13.2 V
50
THD
5
3
Total harmonic distortion
Total harmonic distortion
(%)
10
THD
(%)
30
RL = 2 W
All drive
f = 20 kHz
1
0.5
10 kHz
0.3
0.1
1 kHz
10
5
3
f = 20 kHz
1
0.5
10 kHz
0.3
0.1
1 kHz
0.05
0.05
0.03
0.03
100 Hz
0.01
0.1
0.3 0.5
1
3
Output power
100 Hz
5
30 50
10
POUT
0.01
0.1
100
0.3 0.5
(W)
50
0.5
10 kHz
0.3
0.1
10
5
Total harmonic distortion
f = 20 kHz
1
(%)
30
3
1 kHz
100
30 50
100
(W)
RL = 2 W
All drive
3
f = 20 kHz
1
0.5
10 kHz
0.3
0.1
1 kHz
0.05
0.05
0.03
0.03
100 Hz
0.01
0.1
POUT
30 50
VCC = 13.2 V
RL = 2 W
All drive
THD
(%)
THD
Total harmonic distortion
5
10
100
VCC = 13.2 V
10
5
THD – POUT (ch4)
THD – POUT (ch3)
30
3
Output power
100
50
1
0.3 0.5
1
3
Output power
5
100 Hz
10
POUT
30 50
0.01
0.1
100
(W)
0.3 0.5
1
3
Output power
14
5
10
POUT
(W)
2002-11-06
TB2901H
THD – POUT (ch1)
THD – POUT (ch2)
100
100
f = 1 kHz
f = 1 kHz
50
13.2 V
(%)
THD
5
3
Total harmonic distortion
Total harmonic distortion
30
10
THD
(%)
30
50
RL = 2 W
All drive
1
0.5
VCC = 9.0 V
0.3
0.1
0.05
13.2 V
10
5
3
1
0.5
0.3
VCC = 9.0 V
0.1
0.05
0.03
0.01
0.1
RL = 2 W
All drive
0.03
16.0 V
0.3 0.5
1
3
Output power
5
30 50
10
POUT
0.01
0.1
100
16.0 V
0.3 0.5
(W)
30
10
5
Total harmonic distortion
1
0.5
0.3
VCC = 9.0 V
0.1
(%)
13.2 V
3
0.05
100
(W)
RL = 2 W
All drive
13.2 V
3
1
0.5
0.3
VCC = 9.0 V
0.1
0.05
0.03
0.01
0.1
POUT
30 50
f = 1 kHz
50
RL = 2 W
All drive
THD
(%)
THD
Total harmonic distortion
5
10
100
f = 1 kHz
10
5
THD – POUT (ch4)
THD – POUT (ch3)
30
3
Output power
100
50
1
0.3 0.5
1
3
Output power
5
10
POUT
30 50
16.0 V
0.03
16.0 V
0.01
0.1
100
(W)
0.3 0.5
1
3
Output power
15
5
10
POUT
30 50
100
(W)
2002-11-06
TB2901H
Package Dimensions
Weight: 7.7 g (typ.)
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2002-11-06
TB2901H
RESTRICTIONS ON PRODUCT USE
000707EBF
· TOSHIBA is continually working to improve the quality and reliability of its products. Nevertheless, semiconductor
devices in general can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical
stress. It is the responsibility of the buyer, when utilizing TOSHIBA products, to comply with the standards of
safety in making a safe design for the entire system, and to avoid situations in which a malfunction or failure of
such TOSHIBA products could cause loss of human life, bodily injury or damage to property.
In developing your designs, please ensure that TOSHIBA products are used within specified operating ranges as
set forth in the most recent TOSHIBA products specifications. Also, please keep in mind the precautions and
conditions set forth in the “Handling Guide for Semiconductor Devices,” or “TOSHIBA Semiconductor Reliability
Handbook” etc..
· The TOSHIBA products listed in this document are intended for usage in general electronics applications
(computer, personal equipment, office equipment, measuring equipment, industrial robotics, domestic appliances,
etc.). These TOSHIBA products are neither intended nor warranted for usage in equipment that requires
extraordinarily high quality and/or reliability or a malfunction or failure of which may cause loss of human life or
bodily injury (“Unintended Usage”). Unintended Usage include atomic energy control instruments, airplane or
spaceship instruments, transportation instruments, traffic signal instruments, combustion control instruments,
medical instruments, all types of safety devices, etc.. Unintended Usage of TOSHIBA products listed in this
document shall be made at the customer’s own risk.
· This product generates heat during normal operation. However, substandard performance or malfunction may
cause the product and its peripherals to reach abnormally high temperatures.
The product is often the final stage (the external output stage) of a circuit. Substandard performance or
malfunction of the destination device to which the circuit supplies output may cause damage to the circuit or to the
product.
· The products described in this document are subject to the foreign exchange and foreign trade laws.
· The information contained herein is presented only as a guide for the applications of our products. No
responsibility is assumed by TOSHIBA CORPORATION for any infringements of intellectual property or other
rights of the third parties which may result from its use. No license is granted by implication or otherwise under
any intellectual property or other rights of TOSHIBA CORPORATION or others.
· The information contained herein is subject to change without notice.
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2002-11-06