HT7A6005 Datasheet, PDF (3/11 Pages) Holtek Semiconductor Inc – Low Power, Wide Temperature Range General Purpose Current Mode PWM Controller

HT7A6005
Electrical Characteristics
Unless otherwise stated, this specifications apply for 0°C ≤ Ta ≤ 70°C, V_CC=15V, RT=10kW
Symbol
Parameter
Test Condition
Min. Typ. Max. Unit
Supply Voltage (VCC Pin)
I_ST
Startup Current
I_CC
Operating Current
V_TL
UVLO (Off)
V_TH
UVLO (On)
Reference Section
V_REF
Output Voltage
∆V_REF
Line Regulation
∆V_REF
Load Regulation
Current Sensing (CS Pin)
V_CS(OFF) Maximum Input Voltage
t_LEB
Leading Edge Blanking Time
Delay to Output
V_CC=7.7V
V_FB=V_CS=0V
—
—
Tj = 25°C, I_O = 1mA
12V ≤ V_CC ≤ 25V
1mA ≤ I_O ≤ 10mA
—
—
—
—
12
30
mA
—
2.0
3.0
mA
7.0
7.6
8.2
V
7.8
8.4
9.0
V
4.85 5.00 5.15
V
—
3
20
mV
—
4
25
mV
0.9
1.0
1.1
V
—
350
—
ns
—
100
—
ns
Oscillator (RT pin)
f_OSC
Oscillator Frequency
∆f_OSC
∆T_A
Tempurature Stability
∆f_OSC
∆V_REF
Voltage Stability
D_MAX
Maximum Duty
Gate Drive Output (GD Pin)
Tj=25°C, RT=10kW
-40°C ~105°C
V_CC=10V~25V
—
47
52
57
kHz
—
5
—
%
—
0.2
1.0
%
—
97
—
%
V_OL
Output Low Level
V_OH
Output High Level
t_r
Rising Time
t_f
Falling Time
Voltage Feedback (COMP/FB Pin)
V_CC=15V, Isink=20mA
—
V_CC=15V, Isource=20mA
9
Tj=25°C, Load Capacitance=1nF —
Tj=25°C, Load Capacitance=1nF —
—
1
V
—
—
V
50
150
ns
50
150
ns
V_COMP
V_REFA
I_SINKA
I_SOURCEA
V_OHA
V_OLA
A_VO
Open Loop Voltage
Reference Voltage
Output Sink Current
Output Source Current
V_COMP/FB High Voltage
V_COMP/FB Low Voltage
DC Gain
COMP/FB pin open
V_FB/PDM=2.5V
V_FB=2.7V, V_FB/PDM=1.1V
V_FB=2.3V, V_FB/PDM=4.8V
V_FB=2.3V, RL=15kW to GND
V_FB=2.7V, RL=15kW to Vref
—
—
5
—
V
2.42 2.50 2.58
V
2
7
—
mA
-0.5 -1.0
—
mA
4.8
5.0
—
V
—
0.8
1.1
V
—
150
—
dB
Note: These Parameters, although guaranteed, are not 100% tested in production.
Rev. 1.10
3
July 17, 2013