TS19701A

CC/CV Primary-Side PWM Controller

2/9

Version: A12

Characteristics

Symbol

Conditions

Min

Typ

Max

Units

Supply Voltage (VDD) Section

Standby Current

--

5

20

uA

Operation Current

Operation supply current

--

2

3

mA

VDD Under Voltage Lockout Enter

8.2

9.0

10.5

V

VDD Under Voltage Lockout Exit

13.5

14.8

16.0

V

Maximum VDD operation voltage

27

28.5

30

V

Over Voltage protection voltage

OVP

down

26

27.5

29

V

Current Sense Input Section

LEB time

--

625

--

Ns

Over current threshold

Vth_oc

880

910

940

mV

OCP Propagation delay

Td_oc

--

110

--

Ns

Input Impedance

50

--

--

KΩ

Soft start time

--

17

--

ms

Frequency Section

IC Maximum frequency

Freq_Max

(Note)

55

60

65

KHZ

System Nominal switch frequency

Freq_Nom

--

50

--

KHZ

Freq_startup

--

14

--

KHZ

Frequency shuffling range

∆f/Freq

--

+/-6

--

%

Error Amplifier section

Reference voltage for EA

Vref_EA

1.97

2

2.03

V

DC gain of EA

Gain

-

60

-

dB

Max. Cable compensation current

I_COMP_MA

X

-

37.5

-

uA

Note: Freq_Max indicates IC internal maximum clock frequency. In system application, the maximum operation

frequency of 60Khz nominal occurs at maximum output power or the transition point from CV to CC