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参数资料
| 型号： | TEA1733P/N1,112 |
| 厂商： | NXP Semiconductors |
| 文件页数： | 13/21页 |
| 文件大小： | 0K |
| 描述： | IC CTRLR SMPS GREEN OVP 8-DIP |
| 标准包装： | 50 |
| 系列： | GreenChip™ |
| 输出隔离： | 隔离 |
| 频率范围： | 62kHz ~ 71kHz |
| 输入电压： | 12 V ~ 30 V |
| 输出电压： | 9 V ~ 12 V |
| 功率（瓦特）： | 500mW |
| 工作温度： | -40°C ~ 150°C |
| 封装/外壳： | 8-DIP（0.300"，7.62mm） |
| 供应商设备封装： | 8-DIP |
| 包装： | 管件 |
| 相关产品： | 732-2243-ND - TRANS FLYBACK NXP TEA1733 4.0MH 732-2242-ND - TRANS FLYBACK NXP TEA1733 2.2MH |
NXP Semiconductors
TEA1733P
GreenChip SMPS control IC
Table 5. Characteristics …continued
T amb = 25 ? C; V CC = 20 V; all voltages are measured with respect to ground (pin 2); currents are positive when flowing into
the IC; unless otherwise specified.
Symbol
I O(CTRL)
Parameter
output current on pin
CTRL
Conditions
V CTRL = 1.4 V
V CTRL = 3.7 V
Min
? 0.7
? 0.28
Typ
? 0.5
? 0.2
Max
? 0.3
? 0.12
Unit
mA
mA
Pulse width modulator
f osc
f mod
? f mod
oscillator frequency
modulation frequency
modulation frequency
62
210
? 3
66.5
280
? 4
71
350
? 5
kHz
Hz
kHz
variation
? max
V start(red)f
maximum duty cycle
frequency reduction start pin CTRL
68.5
1.5
72
1.8
79
2.1
?
V
voltage
V ? (zero)
zero duty cycle voltage
pin CTRL
1.25
1.55
1.85
V
Overpower protection (pin OPTIMER)
V prot(OPTIMER)
protection voltage on pin
2.4
2.5
2.6
V
OPTIMER
I prot(OPTIMER)
protection current on pin no overpower situation
100
150
200
? A
OPTIMER
overpower situation
? 12.2
? 10.7
? 9.2
? A
Restart timer (pin OPTIMER)
V restart(OPTIMER)
I restart(OPTIMER)
restart voltage on pin
OPTIMER
restart current on pin
low level
high level
charging OPTIMER
0.8
4.1
? 127
1.2
4.5
? 107
1.6
4.9
? 87
V
V
? A
OPTIMER
capacitor
discharging OPTIMER
? 0.1
0
0.1
? A
capacitor
Current sense (pin ISENSE)
V sense(max)
maximum sense voltage ? V/ ? t = 50 mV/ ? s;
0.48
0.51
0.54
V
V VINSENSE = 0.78 V
? V/ ? t = 200 mV/ ? s;
0.50
0.53
0.56
V
V VINSENSE = 0.78 V
V th(sense)opp
overpower protection
370
400
430
mV
sense threshold voltage
? V ISENSE / ? t
slope compensation
? V/ ? t = 50 mV/ ? s
17
25
33
mV/ ? s
voltage on pin ISENSE
t leb
leading edge blanking
250
300
350
ns
time
Overpower compensation (pin VINSENSE and pin ISENSE)
I opc(ISENSE)
overpower
V VINSENSE = 1 V;
-
0.28
-
? A
compensation current on V sense(max) > 400 mV
pin ISENSE
V VINSENSE =3 V;
-
1.7
-
? A
V sense(max) > 400 mV
Soft start (pin ISENSE)
I start(soft)
soft start current
? 63
? 55
? 47
? A
V start(soft)
soft start voltage
V CTRL = 4 V; enable
-
V sense(max)
-
V
voltage
TEA1733P
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 7 — 15 July 2013
? NXP B.V. 2013. All rights reserved.
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