参数资料
型号: TEA1761T/N2
厂商: NXP SEMICONDUCTORS
元件分类: 稳压器
英文描述: 1.4 A SWITCHING CONTROLLER, PDSO8
封装: 3.90 MM, PLASTIC, MS-012, SOT-96-1, SOP-8
文件页数: 11/13页
文件大小: 78K
代理商: TEA1761T/N2
TEA1761T_2
NXP B.V. 2007. All rights reserved.
Product data sheet
Rev. 02 — 25 April 2007
7 of 13
NXP Semiconductors
TEA1761T
GreenChip synchronous rectier controller
10. Characteristics
Fig 4.
Typical regulated VSENSE voltage versus junction temperature
junction temperature (
°C)
50
150
100
050
001aae779
2480
2520
2440
2600
regulated
VSENSE
voltage
(mV)
2400
Table 5.
Characteristics
Tamb =25 °C; VCC = 20 V; all voltages are measured with respect to ground (pin 2); currents are positive when owing into
the IC; unless otherwise specied.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
Supply voltage management (pin VCC)
Vstartup
start-up voltage
8.35
8.6
8.85
V
Vhys
hysteresis voltage
0.5
V
ICC(oper)
operating supply current
VCC = 8 V (VCC <Vstartup)-
1
-
mA
under normal operation; no load on
pin DRIVER
-
1.4
-
mA
Synchronous rectication sense input (pin SRSENSE)
Vact(drv)
driver activation voltage
340 310 280 mV
Vreg(drv)
driver regulation voltage
65
55
45
mV
Vdeact(drv)
driver deactivation
voltage
12
mV
td(act)(drv)
driver activation delay
time
-
125
-
ns
tact(sr)(min)
minimum synchronous
rectication active time
Short time
1.5
2
2.5
s
Long time
1.7
2.2
2.7
s
Driver (pin DRIVER)
Isource
source current
VCC = 15 V; voltage on pin DRIVER = 2 V
0.3
0.25 0.2
A
Isink
sink current
VCC =15V;
voltage on pin DRIVER = 2 V
1
1.4
-
A
voltage on pin DRIVER = 9.5 V
2.2
2.7
-
A
Vo(max)
maximum output voltage VCC =15V
-
10
12
V
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