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PDF HA16341NT Data sheet ( Hoja de datos )
| Número de pieza | HA16341NT | |
| Descripción | (HA16341 / HA16342) Redundant Secondary Switching Power Supply Controller | |
| Fabricantes | Hitachi Semiconductor | |
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HA16341NT/FP, HA16342NT/FP
Redundant Secondary Switching Power Supply Controller
ADE-204-035C (Z)
Rev.3
Apr. 2001
Description
The HA16341NT/FP and the HA16342NT/FP are switching regulator control ICs for the off-line
converters of redundant power supplies.
The HA16342NT/FP is reverse current detection less version of the HA16341NT/FP.
The HA16341NT/FP have the functions of current sharing and hot swap control for redundancy. These
functions enable high efficiency and high reliability for switching power supplies.
Combination the HA16341 with the HA16141 is suitable for the redundant AC to DC converters.
Features
• Secondary-side synchronous rectification control
• Main switching controller
• Dead-time adjustment for synchronous rectification MOS
• Current share function with line resistance compensation
• Hot swap power MOS FET control
• Remote on/off function, FAIL output function
• Synchronized switching with primary side
• Soft start function
• Maximum duty adjustment
• Overcurrent limiting, overcurrent shutdown functions
• Reverse current detection (only the HA16341NT/FP)
• Light load detection
• OVP function
• VCC pin UVL function
1 page  
HA16341NT/FP, HA16342NT/FP
Absolute Maximum Ratings
(Ta = 25°C)
Item
Symbol
Rating
Unit Note
Supply Voltage
VCC
18
V
DC output current1
Io1
±0.1
A PWM OUT *1
Peak output current1
Iopeak1
±1.0
A PWM OUT *2
DC output current2
Io2
±0.2
A MF OUT *1
Peak output current2
Iopeak2
±2.0
A MF OUT *2
DC output current3
Io3
±0.1
A MR OUT *1
Peak output current3
Iopeak3
±1.0
A MR OUT *2
DC output current4
Io4
−5
mA CB OUT
DC output current5
Io5
±500
µA CFB OUT
DC output current6
Io6
20
mA FAIL OUT
DC output current7
Io7
−5.0 mA Vref OUT
Peak output current4
Iopeak4
0.5
A HSP sink
DC output current8
Io8
±500
µA MT OUT
DC output current9
Io9
±500
µA CFo OUT
DC output current10
Io10
6
mA EOUT sink
TRIG terminal voltage
CT terminal voltage
Vtrigmax
VCTmax
−1.5 to VCC
−0.3 to Vref
V
V
Vref terminal voltage
Vrefmax
−0.3 to Vref
V
SS terminal voltage
Vssmax
−0.3 to Vref
V
EIN terminal voltage
VEINmax
−0.3 to Vref
V
EOUT terminal voltage
PG1 terminal voltage
VEOUTmax
VPG1max
−0.3 to VCC
−0.3 to Vref
V
V
FAIL terminal voltage
PWM OUT terminal voltage
MR OUT terminal voltage
MF OUT terminal voltage
HSP terminal voltage
CFB terminal voltage
VFAILmax
VoPWMmax
VoMRmax
VoMFmax
VoHSPmax
VCFBmax
−0.3 to VCC
−0.3 to VCC
−0.3 to VCC
−0.3 to VCC
−0.3 to VCC
−0.3 to Vref
V
V
V
V
V
V
CS(+) terminal voltage
VCS(+)max
−0.3 to Vref
V
CS(−) terminal voltage
VCS(−)max
−0.3 to Vref
V
MT terminal voltage
VMTmax
−0.3 to Vref
V
Cin terminal voltage
VCinmax
−0.3 to Vref
V
Notes: 1. VDS = 10 V max. Therefore test condition must be VOH = VCC − 10 V or over , VOL = 10 V or under.
2. VDS = 10 V max. Pulse duration ≤ 10 ms
Rev.1, Jan. 2001, page 5 of 21
5 Page 
HA16341NT/FP, HA16342NT/FP
Electrical Characteristics (cont.)
(Ta = 25°C, VCC = 12V, PG1 = 3V, Vtrig = 0V, VCS(+) = 0V, VCin = 0V, CCT = 330pF, GvOP1 = 26dB,
GvOP4 = 40dB, RDB = 1.8kΩ)
• SS
Item
SS sink current
Symbol
Min
Typ
Max
Unit
Test Conditions
Idss 500 µA PG1 = 2V, VSS = 2V
Note
• OVP
Item
OVP latch voltage
Symbol
Min
Typ
Max
Unit
Test Conditions
VOVP 6.5 7.5 8.5 V
Note
• Current consumption
Item
Symbol
Min
Typ
Max
Unit
Test Conditions
Operating current
ICC
5.4 7.4 9.4 mA VCT = 1V
Standby current
ISTBY
200 600 µA VCC = 8V, PG1 = 0V
Note
Rev.1, Jan. 2001, page 11 of 21
11 Page | ||
| Páginas | Total 21 Páginas | |
| PDF Descargar | [ Datasheet HA16341NT.PDF ] | |
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